diff --git a/fs/xfs/linux-2.6/xfs_aops.c b/fs/xfs/linux-2.6/xfs_aops.c
index c5ea26d..3e807b8 100644
--- a/fs/xfs/linux-2.6/xfs_aops.c
+++ b/fs/xfs/linux-2.6/xfs_aops.c
@@ -21,7 +21,6 @@
 #include "xfs_inum.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_trans.h"
 #include "xfs_dmapi.h"
@@ -29,7 +28,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/linux-2.6/xfs_export.c b/fs/xfs/linux-2.6/xfs_export.c
index d32a9ed..5fb75d9 100644
--- a/fs/xfs/linux-2.6/xfs_export.c
+++ b/fs/xfs/linux-2.6/xfs_export.c
@@ -21,7 +21,6 @@
 #include "xfs_log.h"
 #include "xfs_trans.h"
 #include "xfs_sb.h"
-#include "xfs_dir.h"
 #include "xfs_mount.h"
 #include "xfs_export.h"
 
diff --git a/fs/xfs/linux-2.6/xfs_file.c b/fs/xfs/linux-2.6/xfs_file.c
index cf65a83..7066237 100644
--- a/fs/xfs/linux-2.6/xfs_file.c
+++ b/fs/xfs/linux-2.6/xfs_file.c
@@ -21,7 +21,6 @@
 #include "xfs_inum.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_trans.h"
 #include "xfs_dmapi.h"
@@ -32,7 +31,6 @@
 #include "xfs_alloc.h"
 #include "xfs_btree.h"
 #include "xfs_attr_sf.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_dinode.h"
 #include "xfs_inode.h"
diff --git a/fs/xfs/linux-2.6/xfs_ioctl.c b/fs/xfs/linux-2.6/xfs_ioctl.c
index a0e247c..6e52a5d 100644
--- a/fs/xfs/linux-2.6/xfs_ioctl.c
+++ b/fs/xfs/linux-2.6/xfs_ioctl.c
@@ -23,7 +23,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_alloc.h"
 #include "xfs_dmapi.h"
@@ -31,7 +30,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/linux-2.6/xfs_iops.c b/fs/xfs/linux-2.6/xfs_iops.c
index 484daef..12810ba 100644
--- a/fs/xfs/linux-2.6/xfs_iops.c
+++ b/fs/xfs/linux-2.6/xfs_iops.c
@@ -23,7 +23,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_alloc.h"
 #include "xfs_dmapi.h"
@@ -32,7 +31,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/linux-2.6/xfs_lrw.c b/fs/xfs/linux-2.6/xfs_lrw.c
index 8e54687..5d9cfd9 100644
--- a/fs/xfs/linux-2.6/xfs_lrw.c
+++ b/fs/xfs/linux-2.6/xfs_lrw.c
@@ -23,7 +23,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_alloc.h"
 #include "xfs_dmapi.h"
@@ -32,7 +31,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/linux-2.6/xfs_super.c b/fs/xfs/linux-2.6/xfs_super.c
index 7fae922..f2a0778 100644
--- a/fs/xfs/linux-2.6/xfs_super.c
+++ b/fs/xfs/linux-2.6/xfs_super.c
@@ -23,7 +23,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_alloc.h"
 #include "xfs_dmapi.h"
@@ -32,7 +31,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/linux-2.6/xfs_vfs.c b/fs/xfs/linux-2.6/xfs_vfs.c
index 4fc884b..6145e8b 100644
--- a/fs/xfs/linux-2.6/xfs_vfs.c
+++ b/fs/xfs/linux-2.6/xfs_vfs.c
@@ -23,7 +23,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_imap.h"
 #include "xfs_alloc.h"
diff --git a/fs/xfs/quota/xfs_dquot.c b/fs/xfs/quota/xfs_dquot.c
index 46bec66..3aa7715 100644
--- a/fs/xfs/quota/xfs_dquot.c
+++ b/fs/xfs/quota/xfs_dquot.c
@@ -23,7 +23,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_alloc.h"
 #include "xfs_dmapi.h"
@@ -32,7 +31,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/quota/xfs_dquot_item.c b/fs/xfs/quota/xfs_dquot_item.c
index 21ad5a5..5b2dcc5 100644
--- a/fs/xfs/quota/xfs_dquot_item.c
+++ b/fs/xfs/quota/xfs_dquot_item.c
@@ -23,7 +23,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_alloc.h"
 #include "xfs_dmapi.h"
@@ -32,7 +31,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/quota/xfs_qm.c b/fs/xfs/quota/xfs_qm.c
index 00fb54d..e23e455 100644
--- a/fs/xfs/quota/xfs_qm.c
+++ b/fs/xfs/quota/xfs_qm.c
@@ -24,7 +24,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_alloc.h"
 #include "xfs_dmapi.h"
@@ -33,7 +32,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/quota/xfs_qm_bhv.c b/fs/xfs/quota/xfs_qm_bhv.c
index d93d3a1..e95e99f 100644
--- a/fs/xfs/quota/xfs_qm_bhv.c
+++ b/fs/xfs/quota/xfs_qm_bhv.c
@@ -24,7 +24,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_alloc.h"
 #include "xfs_dmapi.h"
@@ -33,7 +32,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/quota/xfs_qm_stats.c b/fs/xfs/quota/xfs_qm_stats.c
index 0570f77..6f858fb 100644
--- a/fs/xfs/quota/xfs_qm_stats.c
+++ b/fs/xfs/quota/xfs_qm_stats.c
@@ -23,7 +23,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_alloc.h"
 #include "xfs_dmapi.h"
@@ -32,7 +31,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/quota/xfs_qm_syscalls.c b/fs/xfs/quota/xfs_qm_syscalls.c
index c93072b..ed620c4 100644
--- a/fs/xfs/quota/xfs_qm_syscalls.c
+++ b/fs/xfs/quota/xfs_qm_syscalls.c
@@ -26,7 +26,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_alloc.h"
 #include "xfs_dmapi.h"
@@ -35,7 +34,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/quota/xfs_trans_dquot.c b/fs/xfs/quota/xfs_trans_dquot.c
index 9168918..0242e96 100644
--- a/fs/xfs/quota/xfs_trans_dquot.c
+++ b/fs/xfs/quota/xfs_trans_dquot.c
@@ -23,7 +23,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_alloc.h"
 #include "xfs_dmapi.h"
@@ -33,7 +32,6 @@
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
 #include "xfs_attr_sf.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_dinode.h"
 #include "xfs_inode.h"
diff --git a/fs/xfs/xfs_acl.c b/fs/xfs/xfs_acl.c
index e107495..4b0cb47 100644
--- a/fs/xfs/xfs_acl.c
+++ b/fs/xfs/xfs_acl.c
@@ -21,12 +21,10 @@
 #include "xfs_bit.h"
 #include "xfs_inum.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_alloc.c b/fs/xfs/xfs_alloc.c
index 22af489..eef6763 100644
--- a/fs/xfs/xfs_alloc.c
+++ b/fs/xfs/xfs_alloc.c
@@ -24,14 +24,12 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_alloc_btree.c b/fs/xfs/xfs_alloc_btree.c
index a1d92da..7446556 100644
--- a/fs/xfs/xfs_alloc_btree.c
+++ b/fs/xfs/xfs_alloc_btree.c
@@ -24,14 +24,12 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_attr.c b/fs/xfs/xfs_attr.c
index 4dcef8d..1a210104 100644
--- a/fs/xfs/xfs_attr.c
+++ b/fs/xfs/xfs_attr.c
@@ -27,7 +27,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
@@ -35,7 +34,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_attr_leaf.c b/fs/xfs/xfs_attr_leaf.c
index 5c44343..9455051 100644
--- a/fs/xfs/xfs_attr_leaf.c
+++ b/fs/xfs/xfs_attr_leaf.c
@@ -24,7 +24,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
@@ -34,7 +33,6 @@
 #include "xfs_ialloc_btree.h"
 #include "xfs_alloc.h"
 #include "xfs_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index 4d0ca14..3a61375 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -24,13 +24,11 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_da_btree.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
@@ -40,13 +38,15 @@
 #include "xfs_mount.h"
 #include "xfs_ialloc.h"
 #include "xfs_itable.h"
+#include "xfs_dir2_data.h"
+#include "xfs_dir2_leaf.h"
+#include "xfs_dir2_block.h"
 #include "xfs_inode_item.h"
 #include "xfs_extfree_item.h"
 #include "xfs_alloc.h"
 #include "xfs_bmap.h"
 #include "xfs_rtalloc.h"
 #include "xfs_error.h"
-#include "xfs_dir_leaf.h"
 #include "xfs_attr_leaf.h"
 #include "xfs_rw.h"
 #include "xfs_quota.h"
@@ -516,7 +516,7 @@
 		dargs.total = mp->m_dirblkfsbs;
 		dargs.whichfork = XFS_DATA_FORK;
 		dargs.trans = tp;
-		error = XFS_DIR_SHORTFORM_TO_SINGLE(mp, &dargs);
+		error = xfs_dir2_sf_to_block(&dargs);
 	} else
 		error = xfs_bmap_local_to_extents(tp, ip, firstblock, 1, flags,
 			XFS_DATA_FORK);
diff --git a/fs/xfs/xfs_bmap_btree.c b/fs/xfs/xfs_bmap_btree.c
index 3b6dfc9..18fb738 100644
--- a/fs/xfs/xfs_bmap_btree.c
+++ b/fs/xfs/xfs_bmap_btree.c
@@ -24,14 +24,12 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_btree.c b/fs/xfs/xfs_btree.c
index 52d5d09..ee2255b 100644
--- a/fs/xfs/xfs_btree.c
+++ b/fs/xfs/xfs_btree.c
@@ -24,14 +24,12 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_buf_item.c b/fs/xfs/xfs_buf_item.c
index 290912c..a4aa539 100644
--- a/fs/xfs/xfs_buf_item.c
+++ b/fs/xfs/xfs_buf_item.c
@@ -23,7 +23,6 @@
 #include "xfs_inum.h"
 #include "xfs_trans.h"
 #include "xfs_sb.h"
-#include "xfs_dir.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_buf_item.h"
diff --git a/fs/xfs/xfs_da_btree.c b/fs/xfs/xfs_da_btree.c
index 260c3d7..32ab61d 100644
--- a/fs/xfs/xfs_da_btree.c
+++ b/fs/xfs/xfs_da_btree.c
@@ -24,7 +24,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
@@ -32,7 +31,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
@@ -43,7 +41,6 @@
 #include "xfs_bmap.h"
 #include "xfs_attr.h"
 #include "xfs_attr_leaf.h"
-#include "xfs_dir_leaf.h"
 #include "xfs_dir2_data.h"
 #include "xfs_dir2_leaf.h"
 #include "xfs_dir2_block.h"
@@ -159,7 +156,7 @@
 	max = state->path.active - 1;
 	ASSERT((max >= 0) && (max < XFS_DA_NODE_MAXDEPTH));
 	ASSERT(state->path.blk[max].magic == XFS_ATTR_LEAF_MAGIC ||
-	       state->path.blk[max].magic == XFS_DIRX_LEAF_MAGIC(state->mp));
+	       state->path.blk[max].magic == XFS_DIR2_LEAFN_MAGIC);
 
 	addblk = &state->path.blk[max];		/* initial dummy value */
 	for (i = max; (i >= 0) && addblk; state->path.active--, i--) {
@@ -199,38 +196,7 @@
 				return(error);	/* GROT: attr inconsistent */
 			addblk = newblk;
 			break;
-		case XFS_DIR_LEAF_MAGIC:
-			ASSERT(XFS_DIR_IS_V1(state->mp));
-			error = xfs_dir_leaf_split(state, oldblk, newblk);
-			if ((error != 0) && (error != ENOSPC)) {
-				return(error);	/* GROT: dir is inconsistent */
-			}
-			if (!error) {
-				addblk = newblk;
-				break;
-			}
-			/*
-			 * Entry wouldn't fit, split the leaf again.
-			 */
-			state->extravalid = 1;
-			if (state->inleaf) {
-				state->extraafter = 0;	/* before newblk */
-				error = xfs_dir_leaf_split(state, oldblk,
-							   &state->extrablk);
-				if (error)
-					return(error);	/* GROT: dir incon. */
-				addblk = newblk;
-			} else {
-				state->extraafter = 1;	/* after newblk */
-				error = xfs_dir_leaf_split(state, newblk,
-							   &state->extrablk);
-				if (error)
-					return(error);	/* GROT: dir incon. */
-				addblk = newblk;
-			}
-			break;
 		case XFS_DIR2_LEAFN_MAGIC:
-			ASSERT(XFS_DIR_IS_V2(state->mp));
 			error = xfs_dir2_leafn_split(state, oldblk, newblk);
 			if (error)
 				return error;
@@ -363,7 +329,6 @@
 		size = (int)((char *)&oldroot->btree[be16_to_cpu(oldroot->hdr.count)] -
 			     (char *)oldroot);
 	} else {
-		ASSERT(XFS_DIR_IS_V2(mp));
 		ASSERT(be16_to_cpu(oldroot->hdr.info.magic) == XFS_DIR2_LEAFN_MAGIC);
 		leaf = (xfs_dir2_leaf_t *)oldroot;
 		size = (int)((char *)&leaf->ents[be16_to_cpu(leaf->hdr.count)] -
@@ -379,8 +344,7 @@
 	 * Set up the new root node.
 	 */
 	error = xfs_da_node_create(args,
-		args->whichfork == XFS_DATA_FORK &&
-		XFS_DIR_IS_V2(mp) ? mp->m_dirleafblk : 0,
+		(args->whichfork == XFS_DATA_FORK) ? mp->m_dirleafblk : 0,
 		be16_to_cpu(node->hdr.level) + 1, &bp, args->whichfork);
 	if (error)
 		return(error);
@@ -427,10 +391,9 @@
 	ASSERT(be16_to_cpu(node->hdr.info.magic) == XFS_DA_NODE_MAGIC);
 
 	/*
-	 * With V2 the extra block is data or freespace.
+	 * With V2 dirs the extra block is data or freespace.
 	 */
-	useextra = state->extravalid && (XFS_DIR_IS_V1(state->mp) ||
-			state->args->whichfork == XFS_ATTR_FORK);
+	useextra = state->extravalid && state->args->whichfork == XFS_ATTR_FORK;
 	newcount = 1 + useextra;
 	/*
 	 * Do we have to split the node?
@@ -624,7 +587,7 @@
 	ASSERT(be16_to_cpu(node->hdr.info.magic) == XFS_DA_NODE_MAGIC);
 	ASSERT((oldblk->index >= 0) && (oldblk->index <= be16_to_cpu(node->hdr.count)));
 	ASSERT(newblk->blkno != 0);
-	if (state->args->whichfork == XFS_DATA_FORK && XFS_DIR_IS_V2(mp))
+	if (state->args->whichfork == XFS_DATA_FORK)
 		ASSERT(newblk->blkno >= mp->m_dirleafblk &&
 		       newblk->blkno < mp->m_dirfreeblk);
 
@@ -670,7 +633,7 @@
 	save_blk = &state->altpath.blk[ state->path.active-1 ];
 	ASSERT(state->path.blk[0].magic == XFS_DA_NODE_MAGIC);
 	ASSERT(drop_blk->magic == XFS_ATTR_LEAF_MAGIC ||
-	       drop_blk->magic == XFS_DIRX_LEAF_MAGIC(state->mp));
+	       drop_blk->magic == XFS_DIR2_LEAFN_MAGIC);
 
 	/*
 	 * Walk back up the tree joining/deallocating as necessary.
@@ -693,17 +656,7 @@
 				return(0);
 			xfs_attr_leaf_unbalance(state, drop_blk, save_blk);
 			break;
-		case XFS_DIR_LEAF_MAGIC:
-			ASSERT(XFS_DIR_IS_V1(state->mp));
-			error = xfs_dir_leaf_toosmall(state, &action);
-			if (error)
-				return(error);
-			if (action == 0)
-				return(0);
-			xfs_dir_leaf_unbalance(state, drop_blk, save_blk);
-			break;
 		case XFS_DIR2_LEAFN_MAGIC:
-			ASSERT(XFS_DIR_IS_V2(state->mp));
 			error = xfs_dir2_leafn_toosmall(state, &action);
 			if (error)
 				return error;
@@ -790,7 +743,7 @@
 	ASSERT(bp != NULL);
 	blkinfo = bp->data;
 	if (be16_to_cpu(oldroot->hdr.level) == 1) {
-		ASSERT(be16_to_cpu(blkinfo->magic) == XFS_DIRX_LEAF_MAGIC(state->mp) ||
+		ASSERT(be16_to_cpu(blkinfo->magic) == XFS_DIR2_LEAFN_MAGIC ||
 		       be16_to_cpu(blkinfo->magic) == XFS_ATTR_LEAF_MAGIC);
 	} else {
 		ASSERT(be16_to_cpu(blkinfo->magic) == XFS_DA_NODE_MAGIC);
@@ -951,14 +904,7 @@
 		if (count == 0)
 			return;
 		break;
-	case XFS_DIR_LEAF_MAGIC:
-		ASSERT(XFS_DIR_IS_V1(state->mp));
-		lasthash = xfs_dir_leaf_lasthash(blk->bp, &count);
-		if (count == 0)
-			return;
-		break;
 	case XFS_DIR2_LEAFN_MAGIC:
-		ASSERT(XFS_DIR_IS_V2(state->mp));
 		lasthash = xfs_dir2_leafn_lasthash(blk->bp, &count);
 		if (count == 0)
 			return;
@@ -1117,10 +1063,7 @@
 	 * Descend thru the B-tree searching each level for the right
 	 * node to use, until the right hashval is found.
 	 */
-	if (args->whichfork == XFS_DATA_FORK && XFS_DIR_IS_V2(state->mp))
-		blkno = state->mp->m_dirleafblk;
-	else
-		blkno = 0;
+	blkno = (args->whichfork == XFS_DATA_FORK)? state->mp->m_dirleafblk : 0;
 	for (blk = &state->path.blk[0], state->path.active = 1;
 			 state->path.active <= XFS_DA_NODE_MAXDEPTH;
 			 blk++, state->path.active++) {
@@ -1137,7 +1080,7 @@
 		}
 		curr = blk->bp->data;
 		ASSERT(be16_to_cpu(curr->magic) == XFS_DA_NODE_MAGIC ||
-		       be16_to_cpu(curr->magic) == XFS_DIRX_LEAF_MAGIC(state->mp) ||
+		       be16_to_cpu(curr->magic) == XFS_DIR2_LEAFN_MAGIC ||
 		       be16_to_cpu(curr->magic) == XFS_ATTR_LEAF_MAGIC);
 
 		/*
@@ -1190,16 +1133,10 @@
 				blk->index = probe;
 				blkno = be32_to_cpu(btree->before);
 			}
-		}
-		else if (be16_to_cpu(curr->magic) == XFS_ATTR_LEAF_MAGIC) {
+		} else if (be16_to_cpu(curr->magic) == XFS_ATTR_LEAF_MAGIC) {
 			blk->hashval = xfs_attr_leaf_lasthash(blk->bp, NULL);
 			break;
-		}
-		else if (be16_to_cpu(curr->magic) == XFS_DIR_LEAF_MAGIC) {
-			blk->hashval = xfs_dir_leaf_lasthash(blk->bp, NULL);
-			break;
-		}
-		else if (be16_to_cpu(curr->magic) == XFS_DIR2_LEAFN_MAGIC) {
+		} else if (be16_to_cpu(curr->magic) == XFS_DIR2_LEAFN_MAGIC) {
 			blk->hashval = xfs_dir2_leafn_lasthash(blk->bp, NULL);
 			break;
 		}
@@ -1212,12 +1149,7 @@
 	 * next leaf and keep searching.
 	 */
 	for (;;) {
-		if (blk->magic == XFS_DIR_LEAF_MAGIC) {
-			ASSERT(XFS_DIR_IS_V1(state->mp));
-			retval = xfs_dir_leaf_lookup_int(blk->bp, args,
-								  &blk->index);
-		} else if (blk->magic == XFS_DIR2_LEAFN_MAGIC) {
-			ASSERT(XFS_DIR_IS_V2(state->mp));
+		if (blk->magic == XFS_DIR2_LEAFN_MAGIC) {
 			retval = xfs_dir2_leafn_lookup_int(blk->bp, args,
 							&blk->index, state);
 		}
@@ -1270,7 +1202,7 @@
 	old_info = old_blk->bp->data;
 	new_info = new_blk->bp->data;
 	ASSERT(old_blk->magic == XFS_DA_NODE_MAGIC ||
-	       old_blk->magic == XFS_DIRX_LEAF_MAGIC(state->mp) ||
+	       old_blk->magic == XFS_DIR2_LEAFN_MAGIC ||
 	       old_blk->magic == XFS_ATTR_LEAF_MAGIC);
 	ASSERT(old_blk->magic == be16_to_cpu(old_info->magic));
 	ASSERT(new_blk->magic == be16_to_cpu(new_info->magic));
@@ -1280,12 +1212,7 @@
 	case XFS_ATTR_LEAF_MAGIC:
 		before = xfs_attr_leaf_order(old_blk->bp, new_blk->bp);
 		break;
-	case XFS_DIR_LEAF_MAGIC:
-		ASSERT(XFS_DIR_IS_V1(state->mp));
-		before = xfs_dir_leaf_order(old_blk->bp, new_blk->bp);
-		break;
 	case XFS_DIR2_LEAFN_MAGIC:
-		ASSERT(XFS_DIR_IS_V2(state->mp));
 		before = xfs_dir2_leafn_order(old_blk->bp, new_blk->bp);
 		break;
 	case XFS_DA_NODE_MAGIC:
@@ -1404,7 +1331,7 @@
 	save_info = save_blk->bp->data;
 	drop_info = drop_blk->bp->data;
 	ASSERT(save_blk->magic == XFS_DA_NODE_MAGIC ||
-	       save_blk->magic == XFS_DIRX_LEAF_MAGIC(state->mp) ||
+	       save_blk->magic == XFS_DIR2_LEAFN_MAGIC ||
 	       save_blk->magic == XFS_ATTR_LEAF_MAGIC);
 	ASSERT(save_blk->magic == be16_to_cpu(save_info->magic));
 	ASSERT(drop_blk->magic == be16_to_cpu(drop_info->magic));
@@ -1529,7 +1456,7 @@
 		ASSERT(blk->bp != NULL);
 		info = blk->bp->data;
 		ASSERT(be16_to_cpu(info->magic) == XFS_DA_NODE_MAGIC ||
-		       be16_to_cpu(info->magic) == XFS_DIRX_LEAF_MAGIC(state->mp) ||
+		       be16_to_cpu(info->magic) == XFS_DIR2_LEAFN_MAGIC ||
 		       be16_to_cpu(info->magic) == XFS_ATTR_LEAF_MAGIC);
 		blk->magic = be16_to_cpu(info->magic);
 		if (blk->magic == XFS_DA_NODE_MAGIC) {
@@ -1548,20 +1475,13 @@
 				blk->hashval = xfs_attr_leaf_lasthash(blk->bp,
 								      NULL);
 				break;
-			case XFS_DIR_LEAF_MAGIC:
-				ASSERT(XFS_DIR_IS_V1(state->mp));
-				blk->hashval = xfs_dir_leaf_lasthash(blk->bp,
-								     NULL);
-				break;
 			case XFS_DIR2_LEAFN_MAGIC:
-				ASSERT(XFS_DIR_IS_V2(state->mp));
 				blk->hashval = xfs_dir2_leafn_lasthash(blk->bp,
 								       NULL);
 				break;
 			default:
 				ASSERT(blk->magic == XFS_ATTR_LEAF_MAGIC ||
-				       blk->magic ==
-				       XFS_DIRX_LEAF_MAGIC(state->mp));
+				       blk->magic == XFS_DIR2_LEAFN_MAGIC);
 				break;
 			}
 		}
@@ -1620,7 +1540,6 @@
 	xfs_bmbt_irec_t	*mapp;
 	xfs_inode_t *dp;
 	int nmap, error, w, count, c, got, i, mapi;
-	xfs_fsize_t size;
 	xfs_trans_t *tp;
 	xfs_mount_t *mp;
 
@@ -1631,7 +1550,7 @@
 	/*
 	 * For new directories adjust the file offset and block count.
 	 */
-	if (w == XFS_DATA_FORK && XFS_DIR_IS_V2(mp)) {
+	if (w == XFS_DATA_FORK) {
 		bno = mp->m_dirleafblk;
 		count = mp->m_dirblkfsbs;
 	} else {
@@ -1641,10 +1560,9 @@
 	/*
 	 * Find a spot in the file space to put the new block.
 	 */
-	if ((error = xfs_bmap_first_unused(tp, dp, count, &bno, w))) {
+	if ((error = xfs_bmap_first_unused(tp, dp, count, &bno, w)))
 		return error;
-	}
-	if (w == XFS_DATA_FORK && XFS_DIR_IS_V2(mp))
+	if (w == XFS_DATA_FORK)
 		ASSERT(bno >= mp->m_dirleafblk && bno < mp->m_dirfreeblk);
 	/*
 	 * Try mapping it in one filesystem block.
@@ -1706,19 +1624,6 @@
 	if (mapp != &map)
 		kmem_free(mapp, sizeof(*mapp) * count);
 	*new_blkno = (xfs_dablk_t)bno;
-	/*
-	 * For version 1 directories, adjust the file size if it changed.
-	 */
-	if (w == XFS_DATA_FORK && XFS_DIR_IS_V1(mp)) {
-		ASSERT(mapi == 1);
-		if ((error = xfs_bmap_last_offset(tp, dp, &bno, w)))
-			return error;
-		size = XFS_FSB_TO_B(mp, bno);
-		if (size != dp->i_d.di_size) {
-			dp->i_d.di_size = size;
-			xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE);
-		}
-	}
 	return 0;
 }
 
@@ -1743,7 +1648,6 @@
 	int error, w, entno, level, dead_level;
 	xfs_da_blkinfo_t *dead_info, *sib_info;
 	xfs_da_intnode_t *par_node, *dead_node;
-	xfs_dir_leafblock_t *dead_leaf;
 	xfs_dir2_leaf_t *dead_leaf2;
 	xfs_dahash_t dead_hash;
 
@@ -1754,11 +1658,8 @@
 	w = args->whichfork;
 	ASSERT(w == XFS_DATA_FORK);
 	mp = ip->i_mount;
-	if (XFS_DIR_IS_V2(mp)) {
-		lastoff = mp->m_dirfreeblk;
-		error = xfs_bmap_last_before(tp, ip, &lastoff, w);
-	} else
-		error = xfs_bmap_last_offset(tp, ip, &lastoff, w);
+	lastoff = mp->m_dirfreeblk;
+	error = xfs_bmap_last_before(tp, ip, &lastoff, w);
 	if (error)
 		return error;
 	if (unlikely(lastoff == 0)) {
@@ -1781,14 +1682,7 @@
 	/*
 	 * Get values from the moved block.
 	 */
-	if (be16_to_cpu(dead_info->magic) == XFS_DIR_LEAF_MAGIC) {
-		ASSERT(XFS_DIR_IS_V1(mp));
-		dead_leaf = (xfs_dir_leafblock_t *)dead_info;
-		dead_level = 0;
-		dead_hash = be32_to_cpu(dead_leaf->entries[
-				be16_to_cpu(dead_leaf->hdr.count) - 1].hashval);
-	} else if (be16_to_cpu(dead_info->magic) == XFS_DIR2_LEAFN_MAGIC) {
-		ASSERT(XFS_DIR_IS_V2(mp));
+	if (be16_to_cpu(dead_info->magic) == XFS_DIR2_LEAFN_MAGIC) {
 		dead_leaf2 = (xfs_dir2_leaf_t *)dead_info;
 		dead_level = 0;
 		dead_hash = be32_to_cpu(dead_leaf2->ents[be16_to_cpu(dead_leaf2->hdr.count) - 1].hashval);
@@ -1843,7 +1737,7 @@
 		xfs_da_buf_done(sib_buf);
 		sib_buf = NULL;
 	}
-	par_blkno = XFS_DIR_IS_V1(mp) ? 0 : mp->m_dirleafblk;
+	par_blkno = mp->m_dirleafblk;
 	level = -1;
 	/*
 	 * Walk down the tree looking for the parent of the moved block.
@@ -1942,8 +1836,6 @@
 {
 	xfs_inode_t *dp;
 	int done, error, w, count;
-	xfs_fileoff_t bno;
-	xfs_fsize_t size;
 	xfs_trans_t *tp;
 	xfs_mount_t *mp;
 
@@ -1951,7 +1843,7 @@
 	w = args->whichfork;
 	tp = args->trans;
 	mp = dp->i_mount;
-	if (w == XFS_DATA_FORK && XFS_DIR_IS_V2(mp))
+	if (w == XFS_DATA_FORK)
 		count = mp->m_dirblkfsbs;
 	else
 		count = 1;
@@ -1965,31 +1857,14 @@
 				0, args->firstblock, args->flist, NULL,
 				&done)) == ENOSPC) {
 			if (w != XFS_DATA_FORK)
-				goto done;
+				break;
 			if ((error = xfs_da_swap_lastblock(args, &dead_blkno,
 					&dead_buf)))
-				goto done;
-		} else if (error)
-			goto done;
-		else
+				break;
+		} else {
 			break;
-	}
-	ASSERT(done);
-	xfs_da_binval(tp, dead_buf);
-	/*
-	 * Adjust the directory size for version 1.
-	 */
-	if (w == XFS_DATA_FORK && XFS_DIR_IS_V1(mp)) {
-		if ((error = xfs_bmap_last_offset(tp, dp, &bno, w)))
-			return error;
-		size = XFS_FSB_TO_B(dp->i_mount, bno);
-		if (size != dp->i_d.di_size) {
-			dp->i_d.di_size = size;
-			xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE);
 		}
 	}
-	return 0;
-done:
 	xfs_da_binval(tp, dead_buf);
 	return error;
 }
@@ -2050,10 +1925,7 @@
 	xfs_dabuf_t	*rbp;
 
 	mp = dp->i_mount;
-	if (whichfork == XFS_DATA_FORK && XFS_DIR_IS_V2(mp))
-		nfsb = mp->m_dirblkfsbs;
-	else
-		nfsb = 1;
+	nfsb = (whichfork == XFS_DATA_FORK) ? mp->m_dirblkfsbs : 1;
 	mappedbno = *mappedbnop;
 	/*
 	 * Caller doesn't have a mapping.  -2 means don't complain
@@ -2199,7 +2071,6 @@
 		magic1 = be32_to_cpu(data->hdr.magic);
 		if (unlikely(
 		    XFS_TEST_ERROR((magic != XFS_DA_NODE_MAGIC) &&
-				   (magic != XFS_DIR_LEAF_MAGIC) &&
 				   (magic != XFS_ATTR_LEAF_MAGIC) &&
 				   (magic != XFS_DIR2_LEAF1_MAGIC) &&
 				   (magic != XFS_DIR2_LEAFN_MAGIC) &&
diff --git a/fs/xfs/xfs_da_btree.h b/fs/xfs/xfs_da_btree.h
index 243a730..4ab865e 100644
--- a/fs/xfs/xfs_da_btree.h
+++ b/fs/xfs/xfs_da_btree.h
@@ -36,14 +36,10 @@
  * level in the Btree, and to identify which type of block this is.
  */
 #define XFS_DA_NODE_MAGIC	0xfebe	/* magic number: non-leaf blocks */
-#define XFS_DIR_LEAF_MAGIC	0xfeeb	/* magic number: directory leaf blks */
 #define XFS_ATTR_LEAF_MAGIC	0xfbee	/* magic number: attribute leaf blks */
 #define	XFS_DIR2_LEAF1_MAGIC	0xd2f1	/* magic number: v2 dirlf single blks */
 #define	XFS_DIR2_LEAFN_MAGIC	0xd2ff	/* magic number: v2 dirlf multi blks */
 
-#define	XFS_DIRX_LEAF_MAGIC(mp)	\
-	(XFS_DIR_IS_V1(mp) ? XFS_DIR_LEAF_MAGIC : XFS_DIR2_LEAFN_MAGIC)
-
 typedef struct xfs_da_blkinfo {
 	__be32		forw;			/* previous block in list */
 	__be32		back;			/* following block in list */
diff --git a/fs/xfs/xfs_dfrag.c b/fs/xfs/xfs_dfrag.c
index 29a6c86..80562b6 100644
--- a/fs/xfs/xfs_dfrag.c
+++ b/fs/xfs/xfs_dfrag.c
@@ -24,14 +24,12 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_dinode.h b/fs/xfs/xfs_dinode.h
index 77d5377..b338269 100644
--- a/fs/xfs/xfs_dinode.h
+++ b/fs/xfs/xfs_dinode.h
@@ -85,7 +85,6 @@
 	union {
 		xfs_bmdr_block_t di_bmbt;	/* btree root block */
 		xfs_bmbt_rec_32_t di_bmx[1];	/* extent list */
-		xfs_dir_shortform_t di_dirsf;	/* shortform directory */
 		xfs_dir2_sf_t	di_dir2sf;	/* shortform directory v2 */
 		char		di_c[1];	/* local contents */
 		xfs_dev_t	di_dev;		/* device for S_IFCHR/S_IFBLK */
diff --git a/fs/xfs/xfs_dir.c b/fs/xfs/xfs_dir.c
index 3cd8657..e69de29 100644
--- a/fs/xfs/xfs_dir.c
+++ b/fs/xfs/xfs_dir.c
@@ -1,1213 +0,0 @@
-/*
- * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-#include "xfs.h"
-#include "xfs_fs.h"
-#include "xfs_types.h"
-#include "xfs_log.h"
-#include "xfs_inum.h"
-#include "xfs_trans.h"
-#include "xfs_sb.h"
-#include "xfs_dir.h"
-#include "xfs_dir2.h"
-#include "xfs_dmapi.h"
-#include "xfs_mount.h"
-#include "xfs_da_btree.h"
-#include "xfs_bmap_btree.h"
-#include "xfs_alloc_btree.h"
-#include "xfs_ialloc_btree.h"
-#include "xfs_alloc.h"
-#include "xfs_btree.h"
-#include "xfs_dir_sf.h"
-#include "xfs_dir2_sf.h"
-#include "xfs_attr_sf.h"
-#include "xfs_dinode.h"
-#include "xfs_inode.h"
-#include "xfs_bmap.h"
-#include "xfs_dir_leaf.h"
-#include "xfs_error.h"
-
-/*
- * xfs_dir.c
- *
- * Provide the external interfaces to manage directories.
- */
-
-/*========================================================================
- * Function prototypes for the kernel.
- *========================================================================*/
-
-/*
- * Functions for the dirops interfaces.
- */
-static void	xfs_dir_mount(struct xfs_mount *mp);
-
-static int	xfs_dir_isempty(struct xfs_inode *dp);
-
-static int	xfs_dir_init(struct xfs_trans *trans,
-			     struct xfs_inode *dir,
-			     struct xfs_inode *parent_dir);
-
-static int	xfs_dir_createname(struct xfs_trans *trans,
-				   struct xfs_inode *dp,
-				   char *name_string,
-				   int name_len,
-				   xfs_ino_t inode_number,
-				   xfs_fsblock_t *firstblock,
-				   xfs_bmap_free_t *flist,
-				   xfs_extlen_t total);
-
-static int	xfs_dir_lookup(struct xfs_trans *tp,
-			       struct xfs_inode *dp,
-			       char *name_string,
-			       int name_length,
-			       xfs_ino_t *inode_number);
-
-static int	xfs_dir_removename(struct xfs_trans *trans,
-				   struct xfs_inode *dp,
-				   char *name_string,
-				   int name_length,
-				   xfs_ino_t ino,
-				   xfs_fsblock_t *firstblock,
-				   xfs_bmap_free_t *flist,
-				   xfs_extlen_t total);
-
-static int	xfs_dir_getdents(struct xfs_trans *tp,
-				 struct xfs_inode *dp,
-				 struct uio *uiop,
-				 int *eofp);
-
-static int	xfs_dir_replace(struct xfs_trans *tp,
-				struct xfs_inode *dp,
-				char *name_string,
-				int name_length,
-				xfs_ino_t inode_number,
-				xfs_fsblock_t *firstblock,
-				xfs_bmap_free_t *flist,
-				xfs_extlen_t total);
-
-static int	xfs_dir_canenter(struct xfs_trans *tp,
-				 struct xfs_inode *dp,
-				 char *name_string,
-				 int name_length);
-
-static int	xfs_dir_shortform_validate_ondisk(xfs_mount_t *mp,
-						  xfs_dinode_t *dip);
-
-xfs_dirops_t xfsv1_dirops = {
-	.xd_mount			= xfs_dir_mount,
-	.xd_isempty			= xfs_dir_isempty,
-	.xd_init			= xfs_dir_init,
-	.xd_createname			= xfs_dir_createname,
-	.xd_lookup			= xfs_dir_lookup,
-	.xd_removename			= xfs_dir_removename,
-	.xd_getdents			= xfs_dir_getdents,
-	.xd_replace			= xfs_dir_replace,
-	.xd_canenter			= xfs_dir_canenter,
-	.xd_shortform_validate_ondisk	= xfs_dir_shortform_validate_ondisk,
-	.xd_shortform_to_single		= xfs_dir_shortform_to_leaf,
-};
-
-/*
- * Internal routines when dirsize == XFS_LBSIZE(mp).
- */
-STATIC int xfs_dir_leaf_lookup(xfs_da_args_t *args);
-STATIC int xfs_dir_leaf_removename(xfs_da_args_t *args, int *number_entries,
-						 int *total_namebytes);
-STATIC int xfs_dir_leaf_getdents(xfs_trans_t *trans, xfs_inode_t *dp,
-					     uio_t *uio, int *eofp,
-					     xfs_dirent_t *dbp,
-					     xfs_dir_put_t put);
-STATIC int xfs_dir_leaf_replace(xfs_da_args_t *args);
-
-/*
- * Internal routines when dirsize > XFS_LBSIZE(mp).
- */
-STATIC int xfs_dir_node_addname(xfs_da_args_t *args);
-STATIC int xfs_dir_node_lookup(xfs_da_args_t *args);
-STATIC int xfs_dir_node_removename(xfs_da_args_t *args);
-STATIC int xfs_dir_node_getdents(xfs_trans_t *trans, xfs_inode_t *dp,
-					     uio_t *uio, int *eofp,
-					     xfs_dirent_t *dbp,
-					     xfs_dir_put_t put);
-STATIC int xfs_dir_node_replace(xfs_da_args_t *args);
-
-#if defined(XFS_DIR_TRACE)
-ktrace_t *xfs_dir_trace_buf;
-#endif
-
-
-/*========================================================================
- * Overall external interface routines.
- *========================================================================*/
-
-xfs_dahash_t	xfs_dir_hash_dot, xfs_dir_hash_dotdot;
-
-/*
- * One-time startup routine called from xfs_init().
- */
-void
-xfs_dir_startup(void)
-{
-	xfs_dir_hash_dot = xfs_da_hashname(".", 1);
-	xfs_dir_hash_dotdot = xfs_da_hashname("..", 2);
-}
-
-/*
- * Initialize directory-related fields in the mount structure.
- */
-static void
-xfs_dir_mount(xfs_mount_t *mp)
-{
-	uint shortcount, leafcount, count;
-
-	mp->m_dirversion = 1;
-	if (!(mp->m_flags & XFS_MOUNT_ATTR2)) {
-		shortcount = (mp->m_attroffset -
-				(uint)sizeof(xfs_dir_sf_hdr_t)) /
-				 (uint)sizeof(xfs_dir_sf_entry_t);
-		leafcount = (XFS_LBSIZE(mp) -
-				(uint)sizeof(xfs_dir_leaf_hdr_t)) /
-				 ((uint)sizeof(xfs_dir_leaf_entry_t) +
-				  (uint)sizeof(xfs_dir_leaf_name_t));
-	} else {
-		shortcount = (XFS_BMDR_SPACE_CALC(MINABTPTRS) -
-			      (uint)sizeof(xfs_dir_sf_hdr_t)) /
-			       (uint)sizeof(xfs_dir_sf_entry_t);
-		leafcount = (XFS_LBSIZE(mp) -
-			    (uint)sizeof(xfs_dir_leaf_hdr_t)) /
-			     ((uint)sizeof(xfs_dir_leaf_entry_t) +
-			      (uint)sizeof(xfs_dir_leaf_name_t));
-	}
-	count = shortcount > leafcount ? shortcount : leafcount;
-	mp->m_dircook_elog = xfs_da_log2_roundup(count + 1);
-	ASSERT(mp->m_dircook_elog <= mp->m_sb.sb_blocklog);
-	mp->m_dir_node_ents = mp->m_attr_node_ents =
-		(XFS_LBSIZE(mp) - (uint)sizeof(xfs_da_node_hdr_t)) /
-		(uint)sizeof(xfs_da_node_entry_t);
-	mp->m_dir_magicpct = (XFS_LBSIZE(mp) * 37) / 100;
-	mp->m_dirblksize = mp->m_sb.sb_blocksize;
-	mp->m_dirblkfsbs = 1;
-}
-
-/*
- * Return 1 if directory contains only "." and "..".
- */
-static int
-xfs_dir_isempty(xfs_inode_t *dp)
-{
-	xfs_dir_sf_hdr_t *hdr;
-
-	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-	if (dp->i_d.di_size == 0)
-		return(1);
-	if (dp->i_d.di_size > XFS_IFORK_DSIZE(dp))
-		return(0);
-	hdr = (xfs_dir_sf_hdr_t *)dp->i_df.if_u1.if_data;
-	return(hdr->count == 0);
-}
-
-/*
- * Initialize a directory with its "." and ".." entries.
- */
-static int
-xfs_dir_init(xfs_trans_t *trans, xfs_inode_t *dir, xfs_inode_t *parent_dir)
-{
-	xfs_da_args_t args;
-	int error;
-
-	memset((char *)&args, 0, sizeof(args));
-	args.dp = dir;
-	args.trans = trans;
-
-	ASSERT((dir->i_d.di_mode & S_IFMT) == S_IFDIR);
-	if ((error = xfs_dir_ino_validate(trans->t_mountp, parent_dir->i_ino)))
-		return error;
-
-	return(xfs_dir_shortform_create(&args, parent_dir->i_ino));
-}
-
-/*
- * Generic handler routine to add a name to a directory.
- * Transitions directory from shortform to Btree as necessary.
- */
-static int							/* error */
-xfs_dir_createname(xfs_trans_t *trans, xfs_inode_t *dp, char *name,
-		   int namelen, xfs_ino_t inum, xfs_fsblock_t *firstblock,
-		   xfs_bmap_free_t *flist, xfs_extlen_t total)
-{
-	xfs_da_args_t args;
-	int retval, newsize, done;
-
-	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-
-	if ((retval = xfs_dir_ino_validate(trans->t_mountp, inum)))
-		return (retval);
-
-	XFS_STATS_INC(xs_dir_create);
-	/*
-	 * Fill in the arg structure for this request.
-	 */
-	args.name = name;
-	args.namelen = namelen;
-	args.hashval = xfs_da_hashname(name, namelen);
-	args.inumber = inum;
-	args.dp = dp;
-	args.firstblock = firstblock;
-	args.flist = flist;
-	args.total = total;
-	args.whichfork = XFS_DATA_FORK;
-	args.trans = trans;
-	args.justcheck = 0;
-	args.addname = args.oknoent = 1;
-
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
-	done = 0;
-	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
-		newsize = XFS_DIR_SF_ENTSIZE_BYNAME(args.namelen);
-		if ((dp->i_d.di_size + newsize) <= XFS_IFORK_DSIZE(dp)) {
-			retval = xfs_dir_shortform_addname(&args);
-			done = 1;
-		} else {
-			if (total == 0)
-				return XFS_ERROR(ENOSPC);
-			retval = xfs_dir_shortform_to_leaf(&args);
-			done = retval != 0;
-		}
-	}
-	if (!done && xfs_bmap_one_block(dp, XFS_DATA_FORK)) {
-		retval = xfs_dir_leaf_addname(&args);
-		done = retval != ENOSPC;
-		if (!done) {
-			if (total == 0)
-				return XFS_ERROR(ENOSPC);
-			retval = xfs_dir_leaf_to_node(&args);
-			done = retval != 0;
-		}
-	}
-	if (!done) {
-		retval = xfs_dir_node_addname(&args);
-	}
-	return(retval);
-}
-
-/*
- * Generic handler routine to check if a name can be added to a directory,
- * without adding any blocks to the directory.
- */
-static int							/* error */
-xfs_dir_canenter(xfs_trans_t *trans, xfs_inode_t *dp, char *name, int namelen)
-{
-	xfs_da_args_t args;
-	int retval, newsize;
-
-	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-	/*
-	 * Fill in the arg structure for this request.
-	 */
-	args.name = name;
-	args.namelen = namelen;
-	args.hashval = xfs_da_hashname(name, namelen);
-	args.inumber = 0;
-	args.dp = dp;
-	args.firstblock = NULL;
-	args.flist = NULL;
-	args.total = 0;
-	args.whichfork = XFS_DATA_FORK;
-	args.trans = trans;
-	args.justcheck = args.addname = args.oknoent = 1;
-
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
-	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
-		newsize = XFS_DIR_SF_ENTSIZE_BYNAME(args.namelen);
-		if ((dp->i_d.di_size + newsize) <= XFS_IFORK_DSIZE(dp))
-			retval = 0;
-		else
-			retval = XFS_ERROR(ENOSPC);
-	} else if (xfs_bmap_one_block(dp, XFS_DATA_FORK)) {
-		retval = xfs_dir_leaf_addname(&args);
-	} else {
-		retval = xfs_dir_node_addname(&args);
-	}
-	return(retval);
-}
-
-/*
- * Generic handler routine to remove a name from a directory.
- * Transitions directory from Btree to shortform as necessary.
- */
-static int							/* error */
-xfs_dir_removename(xfs_trans_t *trans, xfs_inode_t *dp, char *name,
-		   int namelen, xfs_ino_t ino, xfs_fsblock_t *firstblock,
-		   xfs_bmap_free_t *flist, xfs_extlen_t total)
-{
-	xfs_da_args_t args;
-	int count, totallen, newsize, retval;
-
-	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-	XFS_STATS_INC(xs_dir_remove);
-	/*
-	 * Fill in the arg structure for this request.
-	 */
-	args.name = name;
-	args.namelen = namelen;
-	args.hashval = xfs_da_hashname(name, namelen);
-	args.inumber = ino;
-	args.dp = dp;
-	args.firstblock = firstblock;
-	args.flist = flist;
-	args.total = total;
-	args.whichfork = XFS_DATA_FORK;
-	args.trans = trans;
-	args.justcheck = args.addname = args.oknoent = 0;
-
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
-	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
-		retval = xfs_dir_shortform_removename(&args);
-	} else if (xfs_bmap_one_block(dp, XFS_DATA_FORK)) {
-		retval = xfs_dir_leaf_removename(&args, &count, &totallen);
-		if (retval == 0) {
-			newsize = XFS_DIR_SF_ALLFIT(count, totallen);
-			if (newsize <= XFS_IFORK_DSIZE(dp)) {
-				retval = xfs_dir_leaf_to_shortform(&args);
-			}
-		}
-	} else {
-		retval = xfs_dir_node_removename(&args);
-	}
-	return(retval);
-}
-
-static int							/* error */
-xfs_dir_lookup(xfs_trans_t *trans, xfs_inode_t *dp, char *name, int namelen,
-				   xfs_ino_t *inum)
-{
-	xfs_da_args_t args;
-	int retval;
-
-	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-
-	XFS_STATS_INC(xs_dir_lookup);
-	/*
-	 * Fill in the arg structure for this request.
-	 */
-	args.name = name;
-	args.namelen = namelen;
-	args.hashval = xfs_da_hashname(name, namelen);
-	args.inumber = 0;
-	args.dp = dp;
-	args.firstblock = NULL;
-	args.flist = NULL;
-	args.total = 0;
-	args.whichfork = XFS_DATA_FORK;
-	args.trans = trans;
-	args.justcheck = args.addname = 0;
-	args.oknoent = 1;
-
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
-	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
-		retval = xfs_dir_shortform_lookup(&args);
-	} else if (xfs_bmap_one_block(dp, XFS_DATA_FORK)) {
-		retval = xfs_dir_leaf_lookup(&args);
-	} else {
-		retval = xfs_dir_node_lookup(&args);
-	}
-	if (retval == EEXIST)
-		retval = 0;
-	*inum = args.inumber;
-	return(retval);
-}
-
-/*
- * Implement readdir.
- */
-static int							/* error */
-xfs_dir_getdents(xfs_trans_t *trans, xfs_inode_t *dp, uio_t *uio, int *eofp)
-{
-	xfs_dirent_t *dbp;
-	int  alignment, retval;
-	xfs_dir_put_t put;
-
-	XFS_STATS_INC(xs_dir_getdents);
-	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-
-	/*
-	 * If our caller has given us a single contiguous memory buffer,
-	 * just work directly within that buffer.  If it's in user memory,
-	 * lock it down first.
-	 */
-	alignment = sizeof(xfs_off_t) - 1;
-	if ((uio->uio_iovcnt == 1) &&
-	    (((__psint_t)uio->uio_iov[0].iov_base & alignment) == 0) &&
-	    ((uio->uio_iov[0].iov_len & alignment) == 0)) {
-		dbp = NULL;
-		put = xfs_dir_put_dirent64_direct;
-	} else {
-		dbp = kmem_alloc(sizeof(*dbp) + MAXNAMELEN, KM_SLEEP);
-		put = xfs_dir_put_dirent64_uio;
-	}
-
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
-	*eofp = 0;
-
-	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
-		retval = xfs_dir_shortform_getdents(dp, uio, eofp, dbp, put);
-	} else if (xfs_bmap_one_block(dp, XFS_DATA_FORK)) {
-		retval = xfs_dir_leaf_getdents(trans, dp, uio, eofp, dbp, put);
-	} else {
-		retval = xfs_dir_node_getdents(trans, dp, uio, eofp, dbp, put);
-	}
-	if (dbp != NULL)
-		kmem_free(dbp, sizeof(*dbp) + MAXNAMELEN);
-
-	return(retval);
-}
-
-static int							/* error */
-xfs_dir_replace(xfs_trans_t *trans, xfs_inode_t *dp, char *name, int namelen,
-				    xfs_ino_t inum, xfs_fsblock_t *firstblock,
-				    xfs_bmap_free_t *flist, xfs_extlen_t total)
-{
-	xfs_da_args_t args;
-	int retval;
-
-	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-
-	if ((retval = xfs_dir_ino_validate(trans->t_mountp, inum)))
-		return retval;
-
-	/*
-	 * Fill in the arg structure for this request.
-	 */
-	args.name = name;
-	args.namelen = namelen;
-	args.hashval = xfs_da_hashname(name, namelen);
-	args.inumber = inum;
-	args.dp = dp;
-	args.firstblock = firstblock;
-	args.flist = flist;
-	args.total = total;
-	args.whichfork = XFS_DATA_FORK;
-	args.trans = trans;
-	args.justcheck = args.addname = args.oknoent = 0;
-
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
-	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL) {
-		retval = xfs_dir_shortform_replace(&args);
-	} else if (xfs_bmap_one_block(dp, XFS_DATA_FORK)) {
-		retval = xfs_dir_leaf_replace(&args);
-	} else {
-		retval = xfs_dir_node_replace(&args);
-	}
-
-	return(retval);
-}
-
-static int
-xfs_dir_shortform_validate_ondisk(xfs_mount_t *mp, xfs_dinode_t *dp)
-{
-	xfs_ino_t		ino;
-	int			namelen_sum;
-	int			count;
-	xfs_dir_shortform_t	*sf;
-	xfs_dir_sf_entry_t	*sfe;
-	int			i;
-
-
-
-	if ((INT_GET(dp->di_core.di_mode, ARCH_CONVERT) & S_IFMT) != S_IFDIR) {
-		return 0;
-	}
-	if (INT_GET(dp->di_core.di_format, ARCH_CONVERT) != XFS_DINODE_FMT_LOCAL) {
-		return 0;
-	}
-	if (INT_GET(dp->di_core.di_size, ARCH_CONVERT) < sizeof(sf->hdr)) {
-		xfs_fs_cmn_err(CE_WARN, mp, "Invalid shortform size: dp 0x%p",
-			dp);
-		return 1;
-	}
-	sf = (xfs_dir_shortform_t *)(&dp->di_u.di_dirsf);
-	ino = XFS_GET_DIR_INO8(sf->hdr.parent);
-	if (xfs_dir_ino_validate(mp, ino))
-		return 1;
-
-	count =	sf->hdr.count;
-	if ((count < 0) || ((count * 10) > XFS_LITINO(mp))) {
-		xfs_fs_cmn_err(CE_WARN, mp,
-			"Invalid shortform count: dp 0x%p", dp);
-		return(1);
-	}
-
-	if (count == 0) {
-		return 0;
-	}
-
-	namelen_sum = 0;
-	sfe = &sf->list[0];
-	for (i = sf->hdr.count - 1; i >= 0; i--) {
-		ino = XFS_GET_DIR_INO8(sfe->inumber);
-		xfs_dir_ino_validate(mp, ino);
-		if (sfe->namelen >= XFS_LITINO(mp)) {
-			xfs_fs_cmn_err(CE_WARN, mp,
-				"Invalid shortform namelen: dp 0x%p", dp);
-			return 1;
-		}
-		namelen_sum += sfe->namelen;
-		sfe = XFS_DIR_SF_NEXTENTRY(sfe);
-	}
-	if (namelen_sum >= XFS_LITINO(mp)) {
-		xfs_fs_cmn_err(CE_WARN, mp,
-			"Invalid shortform namelen: dp 0x%p", dp);
-		return 1;
-	}
-
-	return 0;
-}
-
-/*========================================================================
- * External routines when dirsize == XFS_LBSIZE(dp->i_mount).
- *========================================================================*/
-
-/*
- * Add a name to the leaf directory structure
- * This is the external routine.
- */
-int
-xfs_dir_leaf_addname(xfs_da_args_t *args)
-{
-	int index, retval;
-	xfs_dabuf_t *bp;
-
-	retval = xfs_da_read_buf(args->trans, args->dp, 0, -1, &bp,
-					      XFS_DATA_FORK);
-	if (retval)
-		return(retval);
-	ASSERT(bp != NULL);
-
-	retval = xfs_dir_leaf_lookup_int(bp, args, &index);
-	if (retval == ENOENT)
-		retval = xfs_dir_leaf_add(bp, args, index);
-	xfs_da_buf_done(bp);
-	return(retval);
-}
-
-/*
- * Remove a name from the leaf directory structure
- * This is the external routine.
- */
-STATIC int
-xfs_dir_leaf_removename(xfs_da_args_t *args, int *count, int *totallen)
-{
-	xfs_dir_leafblock_t *leaf;
-	int index, retval;
-	xfs_dabuf_t *bp;
-
-	retval = xfs_da_read_buf(args->trans, args->dp, 0, -1, &bp,
-					      XFS_DATA_FORK);
-	if (retval)
-		return(retval);
-	ASSERT(bp != NULL);
-	leaf = bp->data;
-	ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
-	retval = xfs_dir_leaf_lookup_int(bp, args, &index);
-	if (retval == EEXIST) {
-		(void)xfs_dir_leaf_remove(args->trans, bp, index);
-		*count = be16_to_cpu(leaf->hdr.count);
-		*totallen = be16_to_cpu(leaf->hdr.namebytes);
-		retval = 0;
-	}
-	xfs_da_buf_done(bp);
-	return(retval);
-}
-
-/*
- * Look up a name in a leaf directory structure.
- * This is the external routine.
- */
-STATIC int
-xfs_dir_leaf_lookup(xfs_da_args_t *args)
-{
-	int index, retval;
-	xfs_dabuf_t *bp;
-
-	retval = xfs_da_read_buf(args->trans, args->dp, 0, -1, &bp,
-					      XFS_DATA_FORK);
-	if (retval)
-		return(retval);
-	ASSERT(bp != NULL);
-	retval = xfs_dir_leaf_lookup_int(bp, args, &index);
-	xfs_da_brelse(args->trans, bp);
-	return(retval);
-}
-
-/*
- * Copy out directory entries for getdents(), for leaf directories.
- */
-STATIC int
-xfs_dir_leaf_getdents(xfs_trans_t *trans, xfs_inode_t *dp, uio_t *uio,
-				  int *eofp, xfs_dirent_t *dbp, xfs_dir_put_t put)
-{
-	xfs_dabuf_t *bp;
-	int retval, eob;
-
-	retval = xfs_da_read_buf(dp->i_transp, dp, 0, -1, &bp, XFS_DATA_FORK);
-	if (retval)
-		return(retval);
-	ASSERT(bp != NULL);
-	retval = xfs_dir_leaf_getdents_int(bp, dp, 0, uio, &eob, dbp, put, -1);
-	xfs_da_brelse(trans, bp);
-	*eofp = (eob == 0);
-	return(retval);
-}
-
-/*
- * Look up a name in a leaf directory structure, replace the inode number.
- * This is the external routine.
- */
-STATIC int
-xfs_dir_leaf_replace(xfs_da_args_t *args)
-{
-	int index, retval;
-	xfs_dabuf_t *bp;
-	xfs_ino_t inum;
-	xfs_dir_leafblock_t *leaf;
-	xfs_dir_leaf_entry_t *entry;
-	xfs_dir_leaf_name_t *namest;
-
-	inum = args->inumber;
-	retval = xfs_da_read_buf(args->trans, args->dp, 0, -1, &bp,
-					      XFS_DATA_FORK);
-	if (retval)
-		return(retval);
-	ASSERT(bp != NULL);
-	retval = xfs_dir_leaf_lookup_int(bp, args, &index);
-	if (retval == EEXIST) {
-		leaf = bp->data;
-		entry = &leaf->entries[index];
-		namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, be16_to_cpu(entry->nameidx));
-		/* XXX - replace assert? */
-		XFS_DIR_SF_PUT_DIRINO(&inum, &namest->inumber);
-		xfs_da_log_buf(args->trans, bp,
-		    XFS_DA_LOGRANGE(leaf, namest, sizeof(namest->inumber)));
-		xfs_da_buf_done(bp);
-		retval = 0;
-	} else
-		xfs_da_brelse(args->trans, bp);
-	return(retval);
-}
-
-
-/*========================================================================
- * External routines when dirsize > XFS_LBSIZE(mp).
- *========================================================================*/
-
-/*
- * Add a name to a Btree-format directory.
- *
- * This will involve walking down the Btree, and may involve splitting
- * leaf nodes and even splitting intermediate nodes up to and including
- * the root node (a special case of an intermediate node).
- */
-STATIC int
-xfs_dir_node_addname(xfs_da_args_t *args)
-{
-	xfs_da_state_t *state;
-	xfs_da_state_blk_t *blk;
-	int retval, error;
-
-	/*
-	 * Fill in bucket of arguments/results/context to carry around.
-	 */
-	state = xfs_da_state_alloc();
-	state->args = args;
-	state->mp = args->dp->i_mount;
-	state->blocksize = state->mp->m_sb.sb_blocksize;
-	state->node_ents = state->mp->m_dir_node_ents;
-
-	/*
-	 * Search to see if name already exists, and get back a pointer
-	 * to where it should go.
-	 */
-	error = xfs_da_node_lookup_int(state, &retval);
-	if (error)
-		retval = error;
-	if (retval != ENOENT)
-		goto error;
-	blk = &state->path.blk[ state->path.active-1 ];
-	ASSERT(blk->magic == XFS_DIR_LEAF_MAGIC);
-	retval = xfs_dir_leaf_add(blk->bp, args, blk->index);
-	if (retval == 0) {
-		/*
-		 * Addition succeeded, update Btree hashvals.
-		 */
-		if (!args->justcheck)
-			xfs_da_fixhashpath(state, &state->path);
-	} else {
-		/*
-		 * Addition failed, split as many Btree elements as required.
-		 */
-		if (args->total == 0) {
-			ASSERT(retval == ENOSPC);
-			goto error;
-		}
-		retval = xfs_da_split(state);
-	}
-error:
-	xfs_da_state_free(state);
-
-	return(retval);
-}
-
-/*
- * Remove a name from a B-tree directory.
- *
- * This will involve walking down the Btree, and may involve joining
- * leaf nodes and even joining intermediate nodes up to and including
- * the root node (a special case of an intermediate node).
- */
-STATIC int
-xfs_dir_node_removename(xfs_da_args_t *args)
-{
-	xfs_da_state_t *state;
-	xfs_da_state_blk_t *blk;
-	int retval, error;
-
-	state = xfs_da_state_alloc();
-	state->args = args;
-	state->mp = args->dp->i_mount;
-	state->blocksize = state->mp->m_sb.sb_blocksize;
-	state->node_ents = state->mp->m_dir_node_ents;
-
-	/*
-	 * Search to see if name exists, and get back a pointer to it.
-	 */
-	error = xfs_da_node_lookup_int(state, &retval);
-	if (error)
-		retval = error;
-	if (retval != EEXIST) {
-		xfs_da_state_free(state);
-		return(retval);
-	}
-
-	/*
-	 * Remove the name and update the hashvals in the tree.
-	 */
-	blk = &state->path.blk[ state->path.active-1 ];
-	ASSERT(blk->magic == XFS_DIR_LEAF_MAGIC);
-	retval = xfs_dir_leaf_remove(args->trans, blk->bp, blk->index);
-	xfs_da_fixhashpath(state, &state->path);
-
-	/*
-	 * Check to see if the tree needs to be collapsed.
-	 */
-	error = 0;
-	if (retval) {
-		error = xfs_da_join(state);
-	}
-
-	xfs_da_state_free(state);
-	if (error)
-		return(error);
-	return(0);
-}
-
-/*
- * Look up a filename in a int directory.
- * Use an internal routine to actually do all the work.
- */
-STATIC int
-xfs_dir_node_lookup(xfs_da_args_t *args)
-{
-	xfs_da_state_t *state;
-	int retval, error, i;
-
-	state = xfs_da_state_alloc();
-	state->args = args;
-	state->mp = args->dp->i_mount;
-	state->blocksize = state->mp->m_sb.sb_blocksize;
-	state->node_ents = state->mp->m_dir_node_ents;
-
-	/*
-	 * Search to see if name exists,
-	 * and get back a pointer to it.
-	 */
-	error = xfs_da_node_lookup_int(state, &retval);
-	if (error) {
-		retval = error;
-	}
-
-	/*
-	 * If not in a transaction, we have to release all the buffers.
-	 */
-	for (i = 0; i < state->path.active; i++) {
-		xfs_da_brelse(args->trans, state->path.blk[i].bp);
-		state->path.blk[i].bp = NULL;
-	}
-
-	xfs_da_state_free(state);
-	return(retval);
-}
-
-STATIC int
-xfs_dir_node_getdents(xfs_trans_t *trans, xfs_inode_t *dp, uio_t *uio,
-				  int *eofp, xfs_dirent_t *dbp, xfs_dir_put_t put)
-{
-	xfs_da_intnode_t *node;
-	xfs_da_node_entry_t *btree;
-	xfs_dir_leafblock_t *leaf = NULL;
-	xfs_dablk_t bno, nextbno;
-	xfs_dahash_t cookhash;
-	xfs_mount_t *mp;
-	int error, eob, i;
-	xfs_dabuf_t *bp;
-	xfs_daddr_t nextda;
-
-	/*
-	 * Pick up our context.
-	 */
-	mp = dp->i_mount;
-	bp = NULL;
-	bno = XFS_DA_COOKIE_BNO(mp, uio->uio_offset);
-	cookhash = XFS_DA_COOKIE_HASH(mp, uio->uio_offset);
-
-	xfs_dir_trace_g_du("node: start", dp, uio);
-
-	/*
-	 * Re-find our place, even if we're confused about what our place is.
-	 *
-	 * First we check the block number from the magic cookie, it is a
-	 * cache of where we ended last time.  If we find a leaf block, and
-	 * the starting hashval in that block is less than our desired
-	 * hashval, then we run with it.
-	 */
-	if (bno > 0) {
-		error = xfs_da_read_buf(trans, dp, bno, -2, &bp, XFS_DATA_FORK);
-		if ((error != 0) && (error != EFSCORRUPTED))
-			return(error);
-		if (bp)
-			leaf = bp->data;
-		if (bp && be16_to_cpu(leaf->hdr.info.magic) != XFS_DIR_LEAF_MAGIC) {
-			xfs_dir_trace_g_dub("node: block not a leaf",
-						   dp, uio, bno);
-			xfs_da_brelse(trans, bp);
-			bp = NULL;
-		}
-		if (bp && be32_to_cpu(leaf->entries[0].hashval) > cookhash) {
-			xfs_dir_trace_g_dub("node: leaf hash too large",
-						   dp, uio, bno);
-			xfs_da_brelse(trans, bp);
-			bp = NULL;
-		}
-		if (bp && cookhash > be32_to_cpu(leaf->entries[
-					be16_to_cpu(leaf->hdr.count) - 1].hashval)) {
-			xfs_dir_trace_g_dub("node: leaf hash too small",
-						   dp, uio, bno);
-			xfs_da_brelse(trans, bp);
-			bp = NULL;
-		}
-	}
-
-	/*
-	 * If we did not find a leaf block from the blockno in the cookie,
-	 * or we there was no blockno in the cookie (eg: first time thru),
-	 * the we start at the top of the Btree and re-find our hashval.
-	 */
-	if (bp == NULL) {
-		xfs_dir_trace_g_du("node: start at root" , dp, uio);
-		bno = 0;
-		for (;;) {
-			error = xfs_da_read_buf(trans, dp, bno, -1, &bp,
-						       XFS_DATA_FORK);
-			if (error)
-				return(error);
-			if (bp == NULL)
-				return(XFS_ERROR(EFSCORRUPTED));
-			node = bp->data;
-			if (be16_to_cpu(node->hdr.info.magic) != XFS_DA_NODE_MAGIC)
-				break;
-			btree = &node->btree[0];
-			xfs_dir_trace_g_dun("node: node detail", dp, uio, node);
-			for (i = 0; i < be16_to_cpu(node->hdr.count); btree++, i++) {
-				if (be32_to_cpu(btree->hashval) >= cookhash) {
-					bno = be32_to_cpu(btree->before);
-					break;
-				}
-			}
-			if (i == be16_to_cpu(node->hdr.count)) {
-				xfs_da_brelse(trans, bp);
-				xfs_dir_trace_g_du("node: hash beyond EOF",
-							  dp, uio);
-				uio->uio_offset = XFS_DA_MAKE_COOKIE(mp, 0, 0,
-							     XFS_DA_MAXHASH);
-				*eofp = 1;
-				return(0);
-			}
-			xfs_dir_trace_g_dub("node: going to block",
-						   dp, uio, bno);
-			xfs_da_brelse(trans, bp);
-		}
-	}
-	ASSERT(cookhash != XFS_DA_MAXHASH);
-
-	/*
-	 * We've dropped down to the (first) leaf block that contains the
-	 * hashval we are interested in.  Continue rolling upward thru the
-	 * leaf blocks until we fill up our buffer.
-	 */
-	for (;;) {
-		leaf = bp->data;
-		if (unlikely(be16_to_cpu(leaf->hdr.info.magic) != XFS_DIR_LEAF_MAGIC)) {
-			xfs_dir_trace_g_dul("node: not a leaf", dp, uio, leaf);
-			xfs_da_brelse(trans, bp);
-			XFS_CORRUPTION_ERROR("xfs_dir_node_getdents(1)",
-					     XFS_ERRLEVEL_LOW, mp, leaf);
-			return XFS_ERROR(EFSCORRUPTED);
-		}
-		xfs_dir_trace_g_dul("node: leaf detail", dp, uio, leaf);
-		if ((nextbno = be32_to_cpu(leaf->hdr.info.forw))) {
-			nextda = xfs_da_reada_buf(trans, dp, nextbno,
-						  XFS_DATA_FORK);
-		} else
-			nextda = -1;
-		error = xfs_dir_leaf_getdents_int(bp, dp, bno, uio, &eob, dbp,
-						  put, nextda);
-		xfs_da_brelse(trans, bp);
-		bno = nextbno;
-		if (eob) {
-			xfs_dir_trace_g_dub("node: E-O-B", dp, uio, bno);
-			*eofp = 0;
-			return(error);
-		}
-		if (bno == 0)
-			break;
-		error = xfs_da_read_buf(trans, dp, bno, nextda, &bp,
-					XFS_DATA_FORK);
-		if (error)
-			return(error);
-		if (unlikely(bp == NULL)) {
-			XFS_ERROR_REPORT("xfs_dir_node_getdents(2)",
-					 XFS_ERRLEVEL_LOW, mp);
-			return(XFS_ERROR(EFSCORRUPTED));
-		}
-	}
-	*eofp = 1;
-	xfs_dir_trace_g_du("node: E-O-F", dp, uio);
-	return(0);
-}
-
-/*
- * Look up a filename in an int directory, replace the inode number.
- * Use an internal routine to actually do the lookup.
- */
-STATIC int
-xfs_dir_node_replace(xfs_da_args_t *args)
-{
-	xfs_da_state_t *state;
-	xfs_da_state_blk_t *blk;
-	xfs_dir_leafblock_t *leaf;
-	xfs_dir_leaf_entry_t *entry;
-	xfs_dir_leaf_name_t *namest;
-	xfs_ino_t inum;
-	int retval, error, i;
-	xfs_dabuf_t *bp;
-
-	state = xfs_da_state_alloc();
-	state->args = args;
-	state->mp = args->dp->i_mount;
-	state->blocksize = state->mp->m_sb.sb_blocksize;
-	state->node_ents = state->mp->m_dir_node_ents;
-	inum = args->inumber;
-
-	/*
-	 * Search to see if name exists,
-	 * and get back a pointer to it.
-	 */
-	error = xfs_da_node_lookup_int(state, &retval);
-	if (error) {
-		retval = error;
-	}
-
-	if (retval == EEXIST) {
-		blk = &state->path.blk[state->path.active - 1];
-		ASSERT(blk->magic == XFS_DIR_LEAF_MAGIC);
-		bp = blk->bp;
-		leaf = bp->data;
-		entry = &leaf->entries[blk->index];
-		namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, be16_to_cpu(entry->nameidx));
-		/* XXX - replace assert ? */
-		XFS_DIR_SF_PUT_DIRINO(&inum, &namest->inumber);
-		xfs_da_log_buf(args->trans, bp,
-		    XFS_DA_LOGRANGE(leaf, namest, sizeof(namest->inumber)));
-		xfs_da_buf_done(bp);
-		blk->bp = NULL;
-		retval = 0;
-	} else {
-		i = state->path.active - 1;
-		xfs_da_brelse(args->trans, state->path.blk[i].bp);
-		state->path.blk[i].bp = NULL;
-	}
-	for (i = 0; i < state->path.active - 1; i++) {
-		xfs_da_brelse(args->trans, state->path.blk[i].bp);
-		state->path.blk[i].bp = NULL;
-	}
-
-	xfs_da_state_free(state);
-	return(retval);
-}
-
-#if defined(XFS_DIR_TRACE)
-/*
- * Add a trace buffer entry for an inode and a uio.
- */
-void
-xfs_dir_trace_g_du(char *where, xfs_inode_t *dp, uio_t *uio)
-{
-	xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DU, where,
-		     (void *)dp, (void *)dp->i_mount,
-		     (void *)((unsigned long)(uio->uio_offset >> 32)),
-		     (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)),
-		     (void *)(unsigned long)uio->uio_resid,
-		     NULL, NULL, NULL, NULL, NULL, NULL, NULL);
-}
-
-/*
- * Add a trace buffer entry for an inode and a uio.
- */
-void
-xfs_dir_trace_g_dub(char *where, xfs_inode_t *dp, uio_t *uio, xfs_dablk_t bno)
-{
-	xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DUB, where,
-		     (void *)dp, (void *)dp->i_mount,
-		     (void *)((unsigned long)(uio->uio_offset >> 32)),
-		     (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)),
-		     (void *)(unsigned long)uio->uio_resid,
-		     (void *)(unsigned long)bno,
-		     NULL, NULL, NULL, NULL, NULL, NULL);
-}
-
-/*
- * Add a trace buffer entry for an inode and a uio.
- */
-void
-xfs_dir_trace_g_dun(char *where, xfs_inode_t *dp, uio_t *uio,
-			xfs_da_intnode_t *node)
-{
-	int	last = be16_to_cpu(node->hdr.count) - 1;
-
-	xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DUN, where,
-		     (void *)dp, (void *)dp->i_mount,
-		     (void *)((unsigned long)(uio->uio_offset >> 32)),
-		     (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)),
-		     (void *)(unsigned long)uio->uio_resid,
-		     (void *)(unsigned long)be32_to_cpu(node->hdr.info.forw),
-		     (void *)(unsigned long)
-			be16_to_cpu(node->hdr.count),
-		     (void *)(unsigned long)
-			be32_to_cpu(node->btree[0].hashval),
-		     (void *)(unsigned long)
-			be32_to_cpu(node->btree[last].hashval),
-		     NULL, NULL, NULL);
-}
-
-/*
- * Add a trace buffer entry for an inode and a uio.
- */
-void
-xfs_dir_trace_g_dul(char *where, xfs_inode_t *dp, uio_t *uio,
-			xfs_dir_leafblock_t *leaf)
-{
-	int	last = be16_to_cpu(leaf->hdr.count) - 1;
-
-	xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DUL, where,
-		     (void *)dp, (void *)dp->i_mount,
-		     (void *)((unsigned long)(uio->uio_offset >> 32)),
-		     (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)),
-		     (void *)(unsigned long)uio->uio_resid,
-		     (void *)(unsigned long)be32_to_cpu(leaf->hdr.info.forw),
-		     (void *)(unsigned long)be16_to_cpu(leaf->hdr.count),
-		     (void *)(unsigned long)be32_to_cpu(leaf->entries[0].hashval),
-		     (void *)(unsigned long)be32_to_cpu(leaf->entries[last].hashval),
-		     NULL, NULL, NULL);
-}
-
-/*
- * Add a trace buffer entry for an inode and a uio.
- */
-void
-xfs_dir_trace_g_due(char *where, xfs_inode_t *dp, uio_t *uio,
-			xfs_dir_leaf_entry_t *entry)
-{
-	xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DUE, where,
-		     (void *)dp, (void *)dp->i_mount,
-		     (void *)((unsigned long)(uio->uio_offset >> 32)),
-		     (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)),
-		     (void *)(unsigned long)uio->uio_resid,
-		     (void *)(unsigned long)be32_to_cpu(entry->hashval),
-		     NULL, NULL, NULL, NULL, NULL, NULL);
-}
-
-/*
- * Add a trace buffer entry for an inode and a uio.
- */
-void
-xfs_dir_trace_g_duc(char *where, xfs_inode_t *dp, uio_t *uio, xfs_off_t cookie)
-{
-	xfs_dir_trace_enter(XFS_DIR_KTRACE_G_DUC, where,
-		     (void *)dp, (void *)dp->i_mount,
-		     (void *)((unsigned long)(uio->uio_offset >> 32)),
-		     (void *)((unsigned long)(uio->uio_offset & 0xFFFFFFFF)),
-		     (void *)(unsigned long)uio->uio_resid,
-		     (void *)((unsigned long)(cookie >> 32)),
-		     (void *)((unsigned long)(cookie & 0xFFFFFFFF)),
-		     NULL, NULL, NULL, NULL, NULL);
-}
-
-/*
- * Add a trace buffer entry for the arguments given to the routine,
- * generic form.
- */
-void
-xfs_dir_trace_enter(int type, char *where,
-			void * a0, void * a1,
-			void * a2, void * a3,
-			void * a4, void * a5,
-			void * a6, void * a7,
-			void * a8, void * a9,
-			void * a10, void * a11)
-{
-	ASSERT(xfs_dir_trace_buf);
-	ktrace_enter(xfs_dir_trace_buf, (void *)(unsigned long)type,
-					(void *)where,
-					(void *)a0, (void *)a1, (void *)a2,
-					(void *)a3, (void *)a4, (void *)a5,
-					(void *)a6, (void *)a7, (void *)a8,
-					(void *)a9, (void *)a10, (void *)a11,
-					NULL, NULL);
-}
-#endif	/* XFS_DIR_TRACE */
diff --git a/fs/xfs/xfs_dir.h b/fs/xfs/xfs_dir.h
index 8cc8afb..e69de29 100644
--- a/fs/xfs/xfs_dir.h
+++ b/fs/xfs/xfs_dir.h
@@ -1,142 +0,0 @@
-/*
- * Copyright (c) 2000,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-#ifndef __XFS_DIR_H__
-#define	__XFS_DIR_H__
-
-/*
- * Large directories are structured around Btrees where all the data
- * elements are in the leaf nodes.  Filenames are hashed into an int,
- * then that int is used as the index into the Btree.  Since the hashval
- * of a filename may not be unique, we may have duplicate keys.  The
- * internal links in the Btree are logical block offsets into the file.
- *
- * Small directories use a different format and are packed as tightly
- * as possible so as to fit into the literal area of the inode.
- */
-
-/*========================================================================
- * Function prototypes for the kernel.
- *========================================================================*/
-
-struct uio;
-struct xfs_bmap_free;
-struct xfs_da_args;
-struct xfs_dinode;
-struct xfs_inode;
-struct xfs_mount;
-struct xfs_trans;
-
-/*
- * Directory function types.
- * Put in structures (xfs_dirops_t) for v1 and v2 directories.
- */
-typedef void	(*xfs_dir_mount_t)(struct xfs_mount *mp);
-typedef int	(*xfs_dir_isempty_t)(struct xfs_inode *dp);
-typedef int	(*xfs_dir_init_t)(struct xfs_trans *tp,
-				  struct xfs_inode *dp,
-				  struct xfs_inode *pdp);
-typedef int	(*xfs_dir_createname_t)(struct xfs_trans *tp,
-					struct xfs_inode *dp,
-					char *name,
-					int namelen,
-					xfs_ino_t inum,
-					xfs_fsblock_t *first,
-					struct xfs_bmap_free *flist,
-					xfs_extlen_t total);
-typedef int	(*xfs_dir_lookup_t)(struct xfs_trans *tp,
-				    struct xfs_inode *dp,
-				    char *name,
-				    int namelen,
-				    xfs_ino_t *inum);
-typedef int	(*xfs_dir_removename_t)(struct xfs_trans *tp,
-					struct xfs_inode *dp,
-					char *name,
-					int namelen,
-					xfs_ino_t ino,
-					xfs_fsblock_t *first,
-					struct xfs_bmap_free *flist,
-					xfs_extlen_t total);
-typedef int	(*xfs_dir_getdents_t)(struct xfs_trans *tp,
-				      struct xfs_inode *dp,
-				      struct uio *uio,
-				      int *eofp);
-typedef int	(*xfs_dir_replace_t)(struct xfs_trans *tp,
-				     struct xfs_inode *dp,
-				     char *name,
-				     int namelen,
-				     xfs_ino_t inum,
-				     xfs_fsblock_t *first,
-				     struct xfs_bmap_free *flist,
-				     xfs_extlen_t total);
-typedef int	(*xfs_dir_canenter_t)(struct xfs_trans *tp,
-				      struct xfs_inode *dp,
-				      char *name,
-				      int namelen);
-typedef int	(*xfs_dir_shortform_validate_ondisk_t)(struct xfs_mount *mp,
-						       struct xfs_dinode *dip);
-typedef int	(*xfs_dir_shortform_to_single_t)(struct xfs_da_args *args);
-
-typedef struct xfs_dirops {
-	xfs_dir_mount_t				xd_mount;
-	xfs_dir_isempty_t			xd_isempty;
-	xfs_dir_init_t				xd_init;
-	xfs_dir_createname_t			xd_createname;
-	xfs_dir_lookup_t			xd_lookup;
-	xfs_dir_removename_t			xd_removename;
-	xfs_dir_getdents_t			xd_getdents;
-	xfs_dir_replace_t			xd_replace;
-	xfs_dir_canenter_t			xd_canenter;
-	xfs_dir_shortform_validate_ondisk_t	xd_shortform_validate_ondisk;
-	xfs_dir_shortform_to_single_t		xd_shortform_to_single;
-} xfs_dirops_t;
-
-/*
- * Overall external interface routines.
- */
-void	xfs_dir_startup(void);	/* called exactly once */
-
-#define	XFS_DIR_MOUNT(mp)	\
-	((mp)->m_dirops.xd_mount(mp))
-#define	XFS_DIR_ISEMPTY(mp,dp)	\
-	((mp)->m_dirops.xd_isempty(dp))
-#define	XFS_DIR_INIT(mp,tp,dp,pdp)	\
-	((mp)->m_dirops.xd_init(tp,dp,pdp))
-#define	XFS_DIR_CREATENAME(mp,tp,dp,name,namelen,inum,first,flist,total) \
-	((mp)->m_dirops.xd_createname(tp,dp,name,namelen,inum,first,flist,\
-				      total))
-#define	XFS_DIR_LOOKUP(mp,tp,dp,name,namelen,inum)	\
-	((mp)->m_dirops.xd_lookup(tp,dp,name,namelen,inum))
-#define	XFS_DIR_REMOVENAME(mp,tp,dp,name,namelen,ino,first,flist,total)	\
-	((mp)->m_dirops.xd_removename(tp,dp,name,namelen,ino,first,flist,total))
-#define	XFS_DIR_GETDENTS(mp,tp,dp,uio,eofp)	\
-	((mp)->m_dirops.xd_getdents(tp,dp,uio,eofp))
-#define	XFS_DIR_REPLACE(mp,tp,dp,name,namelen,inum,first,flist,total)	\
-	((mp)->m_dirops.xd_replace(tp,dp,name,namelen,inum,first,flist,total))
-#define	XFS_DIR_CANENTER(mp,tp,dp,name,namelen)	\
-	((mp)->m_dirops.xd_canenter(tp,dp,name,namelen))
-#define	XFS_DIR_SHORTFORM_VALIDATE_ONDISK(mp,dip)	\
-	((mp)->m_dirops.xd_shortform_validate_ondisk(mp,dip))
-#define	XFS_DIR_SHORTFORM_TO_SINGLE(mp,args)	\
-	((mp)->m_dirops.xd_shortform_to_single(args))
-
-#define	XFS_DIR_IS_V1(mp)	((mp)->m_dirversion == 1)
-#define	XFS_DIR_IS_V2(mp)	((mp)->m_dirversion == 2)
-extern xfs_dirops_t xfsv1_dirops;
-extern xfs_dirops_t xfsv2_dirops;
-
-#endif	/* __XFS_DIR_H__ */
diff --git a/fs/xfs/xfs_dir2.c b/fs/xfs/xfs_dir2.c
index 80238a2..8edbe1a 100644
--- a/fs/xfs/xfs_dir2.c
+++ b/fs/xfs/xfs_dir2.c
@@ -24,21 +24,18 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_da_btree.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
 #include "xfs_inode.h"
 #include "xfs_inode_item.h"
 #include "xfs_bmap.h"
-#include "xfs_dir_leaf.h"
 #include "xfs_dir2_data.h"
 #include "xfs_dir2_leaf.h"
 #include "xfs_dir2_block.h"
@@ -46,69 +43,14 @@
 #include "xfs_dir2_trace.h"
 #include "xfs_error.h"
 
-/*
- * Declarations for interface routines.
- */
-static void	xfs_dir2_mount(xfs_mount_t *mp);
-static int	xfs_dir2_isempty(xfs_inode_t *dp);
-static int	xfs_dir2_init(xfs_trans_t *tp, xfs_inode_t *dp,
-			      xfs_inode_t *pdp);
-static int	xfs_dir2_createname(xfs_trans_t *tp, xfs_inode_t *dp,
-				    char *name, int namelen, xfs_ino_t inum,
-				    xfs_fsblock_t *first,
-				    xfs_bmap_free_t *flist, xfs_extlen_t total);
-static int	xfs_dir2_lookup(xfs_trans_t *tp, xfs_inode_t *dp, char *name,
-				int namelen, xfs_ino_t *inum);
-static int	xfs_dir2_removename(xfs_trans_t *tp, xfs_inode_t *dp,
-				    char *name, int namelen, xfs_ino_t ino,
-				    xfs_fsblock_t *first,
-				    xfs_bmap_free_t *flist, xfs_extlen_t total);
-static int	xfs_dir2_getdents(xfs_trans_t *tp, xfs_inode_t *dp, uio_t *uio,
-				  int *eofp);
-static int	xfs_dir2_replace(xfs_trans_t *tp, xfs_inode_t *dp, char *name,
-				 int namelen, xfs_ino_t inum,
-				 xfs_fsblock_t *first, xfs_bmap_free_t *flist,
-				 xfs_extlen_t total);
-static int	xfs_dir2_canenter(xfs_trans_t *tp, xfs_inode_t *dp, char *name,
-				  int namelen);
-static int	xfs_dir2_shortform_validate_ondisk(xfs_mount_t *mp,
-						   xfs_dinode_t *dip);
-
-/*
- * Utility routine declarations.
- */
 static int	xfs_dir2_put_dirent64_direct(xfs_dir2_put_args_t *pa);
 static int	xfs_dir2_put_dirent64_uio(xfs_dir2_put_args_t *pa);
 
-/*
- * Directory operations vector.
- */
-xfs_dirops_t	xfsv2_dirops = {
-	.xd_mount			= xfs_dir2_mount,
-	.xd_isempty			= xfs_dir2_isempty,
-	.xd_init			= xfs_dir2_init,
-	.xd_createname			= xfs_dir2_createname,
-	.xd_lookup			= xfs_dir2_lookup,
-	.xd_removename			= xfs_dir2_removename,
-	.xd_getdents			= xfs_dir2_getdents,
-	.xd_replace			= xfs_dir2_replace,
-	.xd_canenter			= xfs_dir2_canenter,
-	.xd_shortform_validate_ondisk	= xfs_dir2_shortform_validate_ondisk,
-	.xd_shortform_to_single		= xfs_dir2_sf_to_block,
-};
-
-/*
- * Interface routines.
- */
-
-/*
- * Initialize directory-related fields in the mount structure.
- */
-static void
-xfs_dir2_mount(
-	xfs_mount_t	*mp)		/* filesystem mount point */
+void
+xfs_dir_mount(
+	xfs_mount_t	*mp)
 {
-	mp->m_dirversion = 2;
+	ASSERT(XFS_SB_VERSION_HASDIRV2(&mp->m_sb));
 	ASSERT((1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog)) <=
 	       XFS_MAX_BLOCKSIZE);
 	mp->m_dirblksize = 1 << (mp->m_sb.sb_blocklog + mp->m_sb.sb_dirblklog);
@@ -128,19 +70,15 @@
 /*
  * Return 1 if directory contains only "." and "..".
  */
-static int				/* return code */
-xfs_dir2_isempty(
-	xfs_inode_t	*dp)		/* incore inode structure */
+int
+xfs_dir_isempty(
+	xfs_inode_t	*dp)
 {
-	xfs_dir2_sf_t	*sfp;		/* shortform directory structure */
+	xfs_dir2_sf_t	*sfp;
 
 	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-	/*
-	 * Might happen during shutdown.
-	 */
-	if (dp->i_d.di_size == 0) {
+	if (dp->i_d.di_size == 0)	/* might happen during shutdown. */
 		return 1;
-	}
 	if (dp->i_d.di_size > XFS_IFORK_DSIZE(dp))
 		return 0;
 	sfp = (xfs_dir2_sf_t *)dp->i_df.if_u1.if_data;
@@ -148,53 +86,83 @@
 }
 
 /*
+ * Validate a given inode number.
+ */
+int
+xfs_dir_ino_validate(
+	xfs_mount_t	*mp,
+	xfs_ino_t	ino)
+{
+	xfs_agblock_t	agblkno;
+	xfs_agino_t	agino;
+	xfs_agnumber_t	agno;
+	int		ino_ok;
+	int		ioff;
+
+	agno = XFS_INO_TO_AGNO(mp, ino);
+	agblkno = XFS_INO_TO_AGBNO(mp, ino);
+	ioff = XFS_INO_TO_OFFSET(mp, ino);
+	agino = XFS_OFFBNO_TO_AGINO(mp, agblkno, ioff);
+	ino_ok =
+		agno < mp->m_sb.sb_agcount &&
+		agblkno < mp->m_sb.sb_agblocks &&
+		agblkno != 0 &&
+		ioff < (1 << mp->m_sb.sb_inopblog) &&
+		XFS_AGINO_TO_INO(mp, agno, agino) == ino;
+	if (unlikely(XFS_TEST_ERROR(!ino_ok, mp, XFS_ERRTAG_DIR_INO_VALIDATE,
+			XFS_RANDOM_DIR_INO_VALIDATE))) {
+		xfs_fs_cmn_err(CE_WARN, mp, "Invalid inode number 0x%Lx",
+				(unsigned long long) ino);
+		XFS_ERROR_REPORT("xfs_dir_ino_validate", XFS_ERRLEVEL_LOW, mp);
+		return XFS_ERROR(EFSCORRUPTED);
+	}
+	return 0;
+}
+
+/*
  * Initialize a directory with its "." and ".." entries.
  */
-static int				/* error */
-xfs_dir2_init(
-	xfs_trans_t	*tp,		/* transaction pointer */
-	xfs_inode_t	*dp,		/* incore directory inode */
-	xfs_inode_t	*pdp)		/* incore parent directory inode */
+int
+xfs_dir_init(
+	xfs_trans_t	*tp,
+	xfs_inode_t	*dp,
+	xfs_inode_t	*pdp)
 {
-	xfs_da_args_t	args;		/* operation arguments */
-	int		error;		/* error return value */
+	xfs_da_args_t	args;
+	int		error;
 
 	memset((char *)&args, 0, sizeof(args));
 	args.dp = dp;
 	args.trans = tp;
 	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-	if ((error = xfs_dir_ino_validate(tp->t_mountp, pdp->i_ino))) {
+	if ((error = xfs_dir_ino_validate(tp->t_mountp, pdp->i_ino)))
 		return error;
-	}
 	return xfs_dir2_sf_create(&args, pdp->i_ino);
 }
 
 /*
   Enter a name in a directory.
  */
-static int					/* error */
-xfs_dir2_createname(
-	xfs_trans_t		*tp,		/* transaction pointer */
-	xfs_inode_t		*dp,		/* incore directory inode */
-	char			*name,		/* new entry name */
-	int			namelen,	/* new entry name length */
+int
+xfs_dir_createname(
+	xfs_trans_t		*tp,
+	xfs_inode_t		*dp,
+	char			*name,
+	int			namelen,
 	xfs_ino_t		inum,		/* new entry inode number */
 	xfs_fsblock_t		*first,		/* bmap's firstblock */
 	xfs_bmap_free_t		*flist,		/* bmap's freeblock list */
 	xfs_extlen_t		total)		/* bmap's total block count */
 {
-	xfs_da_args_t		args;		/* operation arguments */
-	int			rval;		/* return value */
+	xfs_da_args_t		args;
+	int			rval;
 	int			v;		/* type-checking value */
 
 	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-	if ((rval = xfs_dir_ino_validate(tp->t_mountp, inum))) {
+	if ((rval = xfs_dir_ino_validate(tp->t_mountp, inum)))
 		return rval;
-	}
 	XFS_STATS_INC(xs_dir_create);
-	/*
-	 * Fill in the arg structure for this request.
-	 */
+
 	args.name = name;
 	args.namelen = namelen;
 	args.hashval = xfs_da_hashname(name, namelen);
@@ -207,18 +175,16 @@
 	args.trans = tp;
 	args.justcheck = 0;
 	args.addname = args.oknoent = 1;
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
+
 	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
 		rval = xfs_dir2_sf_addname(&args);
-	else if ((rval = xfs_dir2_isblock(tp, dp, &v))) {
+	else if ((rval = xfs_dir2_isblock(tp, dp, &v)))
 		return rval;
-	} else if (v)
+	else if (v)
 		rval = xfs_dir2_block_addname(&args);
-	else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) {
+	else if ((rval = xfs_dir2_isleaf(tp, dp, &v)))
 		return rval;
-	} else if (v)
+	else if (v)
 		rval = xfs_dir2_leaf_addname(&args);
 	else
 		rval = xfs_dir2_node_addname(&args);
@@ -228,24 +194,21 @@
 /*
  * Lookup a name in a directory, give back the inode number.
  */
-static int				/* error */
-xfs_dir2_lookup(
-	xfs_trans_t	*tp,		/* transaction pointer */
-	xfs_inode_t	*dp,		/* incore directory inode */
-	char		*name,		/* lookup name */
-	int		namelen,	/* lookup name length */
+int
+xfs_dir_lookup(
+	xfs_trans_t	*tp,
+	xfs_inode_t	*dp,
+	char		*name,
+	int		namelen,
 	xfs_ino_t	*inum)		/* out: inode number */
 {
-	xfs_da_args_t	args;		/* operation arguments */
-	int		rval;		/* return value */
+	xfs_da_args_t	args;
+	int		rval;
 	int		v;		/* type-checking value */
 
 	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
 	XFS_STATS_INC(xs_dir_lookup);
 
-	/*
-	 * Fill in the arg structure for this request.
-	 */
 	args.name = name;
 	args.namelen = namelen;
 	args.hashval = xfs_da_hashname(name, namelen);
@@ -258,18 +221,16 @@
 	args.trans = tp;
 	args.justcheck = args.addname = 0;
 	args.oknoent = 1;
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
+
 	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
 		rval = xfs_dir2_sf_lookup(&args);
-	else if ((rval = xfs_dir2_isblock(tp, dp, &v))) {
+	else if ((rval = xfs_dir2_isblock(tp, dp, &v)))
 		return rval;
-	} else if (v)
+	else if (v)
 		rval = xfs_dir2_block_lookup(&args);
-	else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) {
+	else if ((rval = xfs_dir2_isleaf(tp, dp, &v)))
 		return rval;
-	} else if (v)
+	else if (v)
 		rval = xfs_dir2_leaf_lookup(&args);
 	else
 		rval = xfs_dir2_node_lookup(&args);
@@ -283,26 +244,24 @@
 /*
  * Remove an entry from a directory.
  */
-static int				/* error */
-xfs_dir2_removename(
-	xfs_trans_t	*tp,		/* transaction pointer */
-	xfs_inode_t	*dp,		/* incore directory inode */
-	char		*name,		/* name of entry to remove */
-	int		namelen,	/* name length of entry to remove */
-	xfs_ino_t	ino,		/* inode number of entry to remove */
+int
+xfs_dir_removename(
+	xfs_trans_t	*tp,
+	xfs_inode_t	*dp,
+	char		*name,
+	int		namelen,
+	xfs_ino_t	ino,
 	xfs_fsblock_t	*first,		/* bmap's firstblock */
 	xfs_bmap_free_t	*flist,		/* bmap's freeblock list */
 	xfs_extlen_t	total)		/* bmap's total block count */
 {
-	xfs_da_args_t	args;		/* operation arguments */
-	int		rval;		/* return value */
+	xfs_da_args_t	args;
+	int		rval;
 	int		v;		/* type-checking value */
 
 	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
 	XFS_STATS_INC(xs_dir_remove);
-	/*
-	 * Fill in the arg structure for this request.
-	 */
+
 	args.name = name;
 	args.namelen = namelen;
 	args.hashval = xfs_da_hashname(name, namelen);
@@ -314,18 +273,16 @@
 	args.whichfork = XFS_DATA_FORK;
 	args.trans = tp;
 	args.justcheck = args.addname = args.oknoent = 0;
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
+
 	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
 		rval = xfs_dir2_sf_removename(&args);
-	else if ((rval = xfs_dir2_isblock(tp, dp, &v))) {
+	else if ((rval = xfs_dir2_isblock(tp, dp, &v)))
 		return rval;
-	} else if (v)
+	else if (v)
 		rval = xfs_dir2_block_removename(&args);
-	else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) {
+	else if ((rval = xfs_dir2_isleaf(tp, dp, &v)))
 		return rval;
-	} else if (v)
+	else if (v)
 		rval = xfs_dir2_leaf_removename(&args);
 	else
 		rval = xfs_dir2_node_removename(&args);
@@ -335,10 +292,10 @@
 /*
  * Read a directory.
  */
-static int				/* error */
-xfs_dir2_getdents(
-	xfs_trans_t	*tp,		/* transaction pointer */
-	xfs_inode_t	*dp,		/* incore directory inode */
+int
+xfs_dir_getdents(
+	xfs_trans_t	*tp,
+	xfs_inode_t	*dp,
 	uio_t		*uio,		/* caller's buffer control */
 	int		*eofp)		/* out: eof reached */
 {
@@ -367,14 +324,11 @@
 	}
 
 	*eofp = 0;
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
 	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
 		rval = xfs_dir2_sf_getdents(dp, uio, eofp, dbp, put);
-	else if ((rval = xfs_dir2_isblock(tp, dp, &v))) {
+	else if ((rval = xfs_dir2_isblock(tp, dp, &v)))
 		;
-	} else if (v)
+	else if (v)
 		rval = xfs_dir2_block_getdents(tp, dp, uio, eofp, dbp, put);
 	else
 		rval = xfs_dir2_leaf_getdents(tp, dp, uio, eofp, dbp, put);
@@ -386,29 +340,26 @@
 /*
  * Replace the inode number of a directory entry.
  */
-static int				/* error */
-xfs_dir2_replace(
-	xfs_trans_t	*tp,		/* transaction pointer */
-	xfs_inode_t	*dp,		/* incore directory inode */
+int
+xfs_dir_replace(
+	xfs_trans_t	*tp,
+	xfs_inode_t	*dp,
 	char		*name,		/* name of entry to replace */
-	int		namelen,	/* name length of entry to replace */
+	int		namelen,
 	xfs_ino_t	inum,		/* new inode number */
 	xfs_fsblock_t	*first,		/* bmap's firstblock */
 	xfs_bmap_free_t	*flist,		/* bmap's freeblock list */
 	xfs_extlen_t	total)		/* bmap's total block count */
 {
-	xfs_da_args_t	args;		/* operation arguments */
-	int		rval;		/* return value */
+	xfs_da_args_t	args;
+	int		rval;
 	int		v;		/* type-checking value */
 
 	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
 
-	if ((rval = xfs_dir_ino_validate(tp->t_mountp, inum))) {
+	if ((rval = xfs_dir_ino_validate(tp->t_mountp, inum)))
 		return rval;
-	}
-	/*
-	 * Fill in the arg structure for this request.
-	 */
+
 	args.name = name;
 	args.namelen = namelen;
 	args.hashval = xfs_da_hashname(name, namelen);
@@ -420,18 +371,16 @@
 	args.whichfork = XFS_DATA_FORK;
 	args.trans = tp;
 	args.justcheck = args.addname = args.oknoent = 0;
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
+
 	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
 		rval = xfs_dir2_sf_replace(&args);
-	else if ((rval = xfs_dir2_isblock(tp, dp, &v))) {
+	else if ((rval = xfs_dir2_isblock(tp, dp, &v)))
 		return rval;
-	} else if (v)
+	else if (v)
 		rval = xfs_dir2_block_replace(&args);
-	else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) {
+	else if ((rval = xfs_dir2_isleaf(tp, dp, &v)))
 		return rval;
-	} else if (v)
+	else if (v)
 		rval = xfs_dir2_leaf_replace(&args);
 	else
 		rval = xfs_dir2_node_replace(&args);
@@ -441,21 +390,19 @@
 /*
  * See if this entry can be added to the directory without allocating space.
  */
-static int				/* error */
-xfs_dir2_canenter(
-	xfs_trans_t	*tp,		/* transaction pointer */
-	xfs_inode_t	*dp,		/* incore directory inode */
+int
+xfs_dir_canenter(
+	xfs_trans_t	*tp,
+	xfs_inode_t	*dp,
 	char		*name,		/* name of entry to add */
-	int		namelen)	/* name length of entry to add */
+	int		namelen)
 {
-	xfs_da_args_t	args;		/* operation arguments */
-	int		rval;		/* return value */
+	xfs_da_args_t	args;
+	int		rval;
 	int		v;		/* type-checking value */
 
 	ASSERT((dp->i_d.di_mode & S_IFMT) == S_IFDIR);
-	/*
-	 * Fill in the arg structure for this request.
-	 */
+
 	args.name = name;
 	args.namelen = namelen;
 	args.hashval = xfs_da_hashname(name, namelen);
@@ -467,18 +414,16 @@
 	args.whichfork = XFS_DATA_FORK;
 	args.trans = tp;
 	args.justcheck = args.addname = args.oknoent = 1;
-	/*
-	 * Decide on what work routines to call based on the inode size.
-	 */
+
 	if (dp->i_d.di_format == XFS_DINODE_FMT_LOCAL)
 		rval = xfs_dir2_sf_addname(&args);
-	else if ((rval = xfs_dir2_isblock(tp, dp, &v))) {
+	else if ((rval = xfs_dir2_isblock(tp, dp, &v)))
 		return rval;
-	} else if (v)
+	else if (v)
 		rval = xfs_dir2_block_addname(&args);
-	else if ((rval = xfs_dir2_isleaf(tp, dp, &v))) {
+	else if ((rval = xfs_dir2_isleaf(tp, dp, &v)))
 		return rval;
-	} else if (v)
+	else if (v)
 		rval = xfs_dir2_leaf_addname(&args);
 	else
 		rval = xfs_dir2_node_addname(&args);
@@ -486,19 +431,6 @@
 }
 
 /*
- * Dummy routine for shortform inode validation.
- * Can't really do this.
- */
-/* ARGSUSED */
-static int				/* error */
-xfs_dir2_shortform_validate_ondisk(
-	xfs_mount_t	*mp,		/* filesystem mount point */
-	xfs_dinode_t	*dip)		/* ondisk inode */
-{
-	return 0;
-}
-
-/*
  * Utility routines.
  */
 
@@ -507,24 +439,24 @@
  * This routine is for data and free blocks, not leaf/node blocks
  * which are handled by xfs_da_grow_inode.
  */
-int					/* error */
+int
 xfs_dir2_grow_inode(
-	xfs_da_args_t	*args,		/* operation arguments */
+	xfs_da_args_t	*args,
 	int		space,		/* v2 dir's space XFS_DIR2_xxx_SPACE */
 	xfs_dir2_db_t	*dbp)		/* out: block number added */
 {
 	xfs_fileoff_t	bno;		/* directory offset of new block */
 	int		count;		/* count of filesystem blocks */
 	xfs_inode_t	*dp;		/* incore directory inode */
-	int		error;		/* error return value */
+	int		error;
 	int		got;		/* blocks actually mapped */
-	int		i;		/* temp mapping index */
+	int		i;
 	xfs_bmbt_irec_t	map;		/* single structure for bmap */
 	int		mapi;		/* mapping index */
 	xfs_bmbt_irec_t	*mapp;		/* bmap mapping structure(s) */
-	xfs_mount_t	*mp;		/* filesystem mount point */
+	xfs_mount_t	*mp;
 	int		nmap;		/* number of bmap entries */
-	xfs_trans_t	*tp;		/* transaction pointer */
+	xfs_trans_t	*tp;
 
 	xfs_dir2_trace_args_s("grow_inode", args, space);
 	dp = args->dp;
@@ -538,9 +470,8 @@
 	/*
 	 * Find the first hole for our block.
 	 */
-	if ((error = xfs_bmap_first_unused(tp, dp, count, &bno, XFS_DATA_FORK))) {
+	if ((error = xfs_bmap_first_unused(tp, dp, count, &bno, XFS_DATA_FORK)))
 		return error;
-	}
 	nmap = 1;
 	ASSERT(args->firstblock != NULL);
 	/*
@@ -549,13 +480,9 @@
 	if ((error = xfs_bmapi(tp, dp, bno, count,
 			XFS_BMAPI_WRITE|XFS_BMAPI_METADATA|XFS_BMAPI_CONTIG,
 			args->firstblock, args->total, &map, &nmap,
-			args->flist, NULL))) {
+			args->flist, NULL)))
 		return error;
-	}
 	ASSERT(nmap <= 1);
-	/*
-	 * Got it in 1.
-	 */
 	if (nmap == 1) {
 		mapp = &map;
 		mapi = 1;
@@ -646,20 +573,19 @@
 /*
  * See if the directory is a single-block form directory.
  */
-int					/* error */
+int
 xfs_dir2_isblock(
-	xfs_trans_t	*tp,		/* transaction pointer */
-	xfs_inode_t	*dp,		/* incore directory inode */
+	xfs_trans_t	*tp,
+	xfs_inode_t	*dp,
 	int		*vp)		/* out: 1 is block, 0 is not block */
 {
 	xfs_fileoff_t	last;		/* last file offset */
-	xfs_mount_t	*mp;		/* filesystem mount point */
-	int		rval;		/* return value */
+	xfs_mount_t	*mp;
+	int		rval;
 
 	mp = dp->i_mount;
-	if ((rval = xfs_bmap_last_offset(tp, dp, &last, XFS_DATA_FORK))) {
+	if ((rval = xfs_bmap_last_offset(tp, dp, &last, XFS_DATA_FORK)))
 		return rval;
-	}
 	rval = XFS_FSB_TO_B(mp, last) == mp->m_dirblksize;
 	ASSERT(rval == 0 || dp->i_d.di_size == mp->m_dirblksize);
 	*vp = rval;
@@ -669,20 +595,19 @@
 /*
  * See if the directory is a single-leaf form directory.
  */
-int					/* error */
+int
 xfs_dir2_isleaf(
-	xfs_trans_t	*tp,		/* transaction pointer */
-	xfs_inode_t	*dp,		/* incore directory inode */
+	xfs_trans_t	*tp,
+	xfs_inode_t	*dp,
 	int		*vp)		/* out: 1 is leaf, 0 is not leaf */
 {
 	xfs_fileoff_t	last;		/* last file offset */
-	xfs_mount_t	*mp;		/* filesystem mount point */
-	int		rval;		/* return value */
+	xfs_mount_t	*mp;
+	int		rval;
 
 	mp = dp->i_mount;
-	if ((rval = xfs_bmap_last_offset(tp, dp, &last, XFS_DATA_FORK))) {
+	if ((rval = xfs_bmap_last_offset(tp, dp, &last, XFS_DATA_FORK)))
 		return rval;
-	}
 	*vp = last == mp->m_dirleafblk + (1 << mp->m_sb.sb_dirblklog);
 	return 0;
 }
@@ -690,9 +615,9 @@
 /*
  * Getdents put routine for 64-bit ABI, direct form.
  */
-static int					/* error */
+static int
 xfs_dir2_put_dirent64_direct(
-	xfs_dir2_put_args_t	*pa)		/* argument bundle */
+	xfs_dir2_put_args_t	*pa)
 {
 	xfs_dirent_t		*idbp;		/* dirent pointer */
 	iovec_t			*iovp;		/* io vector */
@@ -727,9 +652,9 @@
 /*
  * Getdents put routine for 64-bit ABI, uio form.
  */
-static int					/* error */
+static int
 xfs_dir2_put_dirent64_uio(
-	xfs_dir2_put_args_t	*pa)		/* argument bundle */
+	xfs_dir2_put_args_t	*pa)
 {
 	xfs_dirent_t		*idbp;		/* dirent pointer */
 	int			namelen;	/* entry name length */
@@ -765,17 +690,17 @@
  */
 int
 xfs_dir2_shrink_inode(
-	xfs_da_args_t	*args,		/* operation arguments */
-	xfs_dir2_db_t	db,		/* directory block number */
-	xfs_dabuf_t	*bp)		/* block's buffer */
+	xfs_da_args_t	*args,
+	xfs_dir2_db_t	db,
+	xfs_dabuf_t	*bp)
 {
 	xfs_fileoff_t	bno;		/* directory file offset */
 	xfs_dablk_t	da;		/* directory file offset */
 	int		done;		/* bunmap is finished */
-	xfs_inode_t	*dp;		/* incore directory inode */
-	int		error;		/* error return value */
-	xfs_mount_t	*mp;		/* filesystem mount point */
-	xfs_trans_t	*tp;		/* transaction pointer */
+	xfs_inode_t	*dp;
+	int		error;
+	xfs_mount_t	*mp;
+	xfs_trans_t	*tp;
 
 	xfs_dir2_trace_args_db("shrink_inode", args, db, bp);
 	dp = args->dp;
diff --git a/fs/xfs/xfs_dir2.h b/fs/xfs/xfs_dir2.h
index 7dd364b..86560b6 100644
--- a/fs/xfs/xfs_dir2.h
+++ b/fs/xfs/xfs_dir2.h
@@ -22,7 +22,9 @@
 struct xfs_dabuf;
 struct xfs_da_args;
 struct xfs_dir2_put_args;
+struct xfs_bmap_free;
 struct xfs_inode;
+struct xfs_mount;
 struct xfs_trans;
 
 /*
@@ -73,7 +75,35 @@
 } xfs_dir2_put_args_t;
 
 /*
- * Other interfaces used by the rest of the dir v2 code.
+ * Generic directory interface routines
+ */
+extern void xfs_dir_startup(void);
+extern void xfs_dir_mount(struct xfs_mount *mp);
+extern int xfs_dir_isempty(struct xfs_inode *dp);
+extern int xfs_dir_init(struct xfs_trans *tp, struct xfs_inode *dp,
+				struct xfs_inode *pdp);
+extern int xfs_dir_createname(struct xfs_trans *tp, struct xfs_inode *dp,
+				char *name, int namelen, xfs_ino_t inum,
+				xfs_fsblock_t *first,
+				struct xfs_bmap_free *flist, xfs_extlen_t tot);
+extern int xfs_dir_lookup(struct xfs_trans *tp, struct xfs_inode *dp,
+				char *name, int namelen, xfs_ino_t *inum);
+extern int xfs_dir_removename(struct xfs_trans *tp, struct xfs_inode *dp,
+				char *name, int namelen, xfs_ino_t ino,
+				xfs_fsblock_t *first,
+				struct xfs_bmap_free *flist, xfs_extlen_t tot);
+extern int xfs_dir_getdents(struct xfs_trans *tp, struct xfs_inode *dp,
+				uio_t *uio, int *eofp);
+extern int xfs_dir_replace(struct xfs_trans *tp, struct xfs_inode *dp,
+				char *name, int namelen, xfs_ino_t inum,
+				xfs_fsblock_t *first,
+				struct xfs_bmap_free *flist, xfs_extlen_t tot);
+extern int xfs_dir_canenter(struct xfs_trans *tp, struct xfs_inode *dp,
+				char *name, int namelen);
+extern int xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino);
+
+/*
+ * Utility routines for v2 directories.
  */
 extern int xfs_dir2_grow_inode(struct xfs_da_args *args, int space,
 				xfs_dir2_db_t *dbp);
diff --git a/fs/xfs/xfs_dir2_block.c b/fs/xfs/xfs_dir2_block.c
index 2621ff5..9d7438b 100644
--- a/fs/xfs/xfs_dir2_block.c
+++ b/fs/xfs/xfs_dir2_block.c
@@ -22,19 +22,16 @@
 #include "xfs_inum.h"
 #include "xfs_trans.h"
 #include "xfs_sb.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_da_btree.h"
 #include "xfs_bmap_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
 #include "xfs_inode.h"
 #include "xfs_inode_item.h"
-#include "xfs_dir_leaf.h"
 #include "xfs_dir2_data.h"
 #include "xfs_dir2_leaf.h"
 #include "xfs_dir2_block.h"
@@ -51,6 +48,18 @@
 				     int *entno);
 static int xfs_dir2_block_sort(const void *a, const void *b);
 
+static xfs_dahash_t xfs_dir_hash_dot, xfs_dir_hash_dotdot;
+
+/*
+ * One-time startup routine called from xfs_init().
+ */
+void
+xfs_dir_startup(void)
+{
+	xfs_dir_hash_dot = xfs_da_hashname(".", 1);
+	xfs_dir_hash_dotdot = xfs_da_hashname("..", 2);
+}
+
 /*
  * Add an entry to a block directory.
  */
diff --git a/fs/xfs/xfs_dir2_data.c b/fs/xfs/xfs_dir2_data.c
index 7be37d3..f7c7992 100644
--- a/fs/xfs/xfs_dir2_data.c
+++ b/fs/xfs/xfs_dir2_data.c
@@ -22,18 +22,15 @@
 #include "xfs_inum.h"
 #include "xfs_trans.h"
 #include "xfs_sb.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_da_btree.h"
 #include "xfs_bmap_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
 #include "xfs_inode.h"
-#include "xfs_dir_leaf.h"
 #include "xfs_dir2_data.h"
 #include "xfs_dir2_leaf.h"
 #include "xfs_dir2_block.h"
diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c
index 74ef99f2..b1cf1fb 100644
--- a/fs/xfs/xfs_dir2_leaf.c
+++ b/fs/xfs/xfs_dir2_leaf.c
@@ -24,14 +24,12 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_da_btree.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_attr_sf.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_dinode.h"
 #include "xfs_inode.h"
diff --git a/fs/xfs/xfs_dir2_node.c b/fs/xfs/xfs_dir2_node.c
index b1f85cc..9ca7171 100644
--- a/fs/xfs/xfs_dir2_node.c
+++ b/fs/xfs/xfs_dir2_node.c
@@ -22,13 +22,11 @@
 #include "xfs_inum.h"
 #include "xfs_trans.h"
 #include "xfs_sb.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_da_btree.h"
 #include "xfs_bmap_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_dir2_sf.c b/fs/xfs/xfs_dir2_sf.c
index 06afa1b..0cd77b1 100644
--- a/fs/xfs/xfs_dir2_sf.c
+++ b/fs/xfs/xfs_dir2_sf.c
@@ -22,19 +22,16 @@
 #include "xfs_inum.h"
 #include "xfs_trans.h"
 #include "xfs_sb.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_da_btree.h"
 #include "xfs_bmap_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
 #include "xfs_inode.h"
 #include "xfs_inode_item.h"
-#include "xfs_dir_leaf.h"
 #include "xfs_error.h"
 #include "xfs_dir2_data.h"
 #include "xfs_dir2_leaf.h"
diff --git a/fs/xfs/xfs_dir2_trace.c b/fs/xfs/xfs_dir2_trace.c
index c626943..f3fb2ff 100644
--- a/fs/xfs/xfs_dir2_trace.c
+++ b/fs/xfs/xfs_dir2_trace.c
@@ -19,11 +19,9 @@
 #include "xfs_fs.h"
 #include "xfs_types.h"
 #include "xfs_inum.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_da_btree.h"
 #include "xfs_bmap_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_dir_leaf.c b/fs/xfs/xfs_dir_leaf.c
index e712104..e69de29 100644
--- a/fs/xfs/xfs_dir_leaf.c
+++ b/fs/xfs/xfs_dir_leaf.c
@@ -1,2230 +0,0 @@
-/*
- * Copyright (c) 2000-2003,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-#include "xfs.h"
-#include "xfs_fs.h"
-#include "xfs_types.h"
-#include "xfs_log.h"
-#include "xfs_inum.h"
-#include "xfs_trans.h"
-#include "xfs_sb.h"
-#include "xfs_dir.h"
-#include "xfs_dir2.h"
-#include "xfs_dmapi.h"
-#include "xfs_mount.h"
-#include "xfs_da_btree.h"
-#include "xfs_bmap_btree.h"
-#include "xfs_alloc_btree.h"
-#include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
-#include "xfs_dir2_sf.h"
-#include "xfs_attr_sf.h"
-#include "xfs_dinode.h"
-#include "xfs_inode.h"
-#include "xfs_inode_item.h"
-#include "xfs_alloc.h"
-#include "xfs_btree.h"
-#include "xfs_bmap.h"
-#include "xfs_dir_leaf.h"
-#include "xfs_error.h"
-
-/*
- * xfs_dir_leaf.c
- *
- * Routines to implement leaf blocks of directories as Btrees of hashed names.
- */
-
-/*========================================================================
- * Function prototypes for the kernel.
- *========================================================================*/
-
-/*
- * Routines used for growing the Btree.
- */
-STATIC void xfs_dir_leaf_add_work(xfs_dabuf_t *leaf_buffer, xfs_da_args_t *args,
-					      int insertion_index,
-					      int freemap_index);
-STATIC int xfs_dir_leaf_compact(xfs_trans_t *trans, xfs_dabuf_t *leaf_buffer,
-					    int musthave, int justcheck);
-STATIC void xfs_dir_leaf_rebalance(xfs_da_state_t *state,
-						  xfs_da_state_blk_t *blk1,
-						  xfs_da_state_blk_t *blk2);
-STATIC int xfs_dir_leaf_figure_balance(xfs_da_state_t *state,
-					  xfs_da_state_blk_t *leaf_blk_1,
-					  xfs_da_state_blk_t *leaf_blk_2,
-					  int *number_entries_in_blk1,
-					  int *number_namebytes_in_blk1);
-
-STATIC int xfs_dir_leaf_create(struct xfs_da_args *args,
-				xfs_dablk_t which_block,
-				struct xfs_dabuf **bpp);
-
-/*
- * Utility routines.
- */
-STATIC void xfs_dir_leaf_moveents(xfs_dir_leafblock_t *src_leaf,
-					      int src_start,
-					      xfs_dir_leafblock_t *dst_leaf,
-					      int dst_start, int move_count,
-					      xfs_mount_t *mp);
-
-
-/*========================================================================
- * External routines when dirsize < XFS_IFORK_DSIZE(dp).
- *========================================================================*/
-
-
-/*
- * Validate a given inode number.
- */
-int
-xfs_dir_ino_validate(xfs_mount_t *mp, xfs_ino_t ino)
-{
-	xfs_agblock_t	agblkno;
-	xfs_agino_t	agino;
-	xfs_agnumber_t	agno;
-	int		ino_ok;
-	int		ioff;
-
-	agno = XFS_INO_TO_AGNO(mp, ino);
-	agblkno = XFS_INO_TO_AGBNO(mp, ino);
-	ioff = XFS_INO_TO_OFFSET(mp, ino);
-	agino = XFS_OFFBNO_TO_AGINO(mp, agblkno, ioff);
-	ino_ok =
-		agno < mp->m_sb.sb_agcount &&
-		agblkno < mp->m_sb.sb_agblocks &&
-		agblkno != 0 &&
-		ioff < (1 << mp->m_sb.sb_inopblog) &&
-		XFS_AGINO_TO_INO(mp, agno, agino) == ino;
-	if (unlikely(XFS_TEST_ERROR(!ino_ok, mp, XFS_ERRTAG_DIR_INO_VALIDATE,
-			XFS_RANDOM_DIR_INO_VALIDATE))) {
-		xfs_fs_cmn_err(CE_WARN, mp, "Invalid inode number 0x%Lx",
-				(unsigned long long) ino);
-		XFS_ERROR_REPORT("xfs_dir_ino_validate", XFS_ERRLEVEL_LOW, mp);
-		return XFS_ERROR(EFSCORRUPTED);
-	}
-	return 0;
-}
-
-/*
- * Create the initial contents of a shortform directory.
- */
-int
-xfs_dir_shortform_create(xfs_da_args_t *args, xfs_ino_t parent)
-{
-	xfs_dir_sf_hdr_t *hdr;
-	xfs_inode_t *dp;
-
-	dp = args->dp;
-	ASSERT(dp != NULL);
-	ASSERT(dp->i_d.di_size == 0);
-	if (dp->i_d.di_format == XFS_DINODE_FMT_EXTENTS) {
-		dp->i_df.if_flags &= ~XFS_IFEXTENTS;	/* just in case */
-		dp->i_d.di_format = XFS_DINODE_FMT_LOCAL;
-		xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE);
-		dp->i_df.if_flags |= XFS_IFINLINE;
-	}
-	ASSERT(dp->i_df.if_flags & XFS_IFINLINE);
-	ASSERT(dp->i_df.if_bytes == 0);
-	xfs_idata_realloc(dp, sizeof(*hdr), XFS_DATA_FORK);
-	hdr = (xfs_dir_sf_hdr_t *)dp->i_df.if_u1.if_data;
-	XFS_DIR_SF_PUT_DIRINO(&parent, &hdr->parent);
-
-	hdr->count = 0;
-	dp->i_d.di_size = sizeof(*hdr);
-	xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA);
-	return 0;
-}
-
-/*
- * Add a name to the shortform directory structure.
- * Overflow from the inode has already been checked for.
- */
-int
-xfs_dir_shortform_addname(xfs_da_args_t *args)
-{
-	xfs_dir_shortform_t *sf;
-	xfs_dir_sf_entry_t *sfe;
-	int i, offset, size;
-	xfs_inode_t *dp;
-
-	dp = args->dp;
-	ASSERT(dp->i_df.if_flags & XFS_IFINLINE);
-	/*
-	 * Catch the case where the conversion from shortform to leaf
-	 * failed part way through.
-	 */
-	if (dp->i_d.di_size < sizeof(xfs_dir_sf_hdr_t)) {
-		ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount));
-		return XFS_ERROR(EIO);
-	}
-	ASSERT(dp->i_df.if_bytes == dp->i_d.di_size);
-	ASSERT(dp->i_df.if_u1.if_data != NULL);
-	sf = (xfs_dir_shortform_t *)dp->i_df.if_u1.if_data;
-	sfe = &sf->list[0];
-	for (i = sf->hdr.count-1; i >= 0; i--) {
-		if (sfe->namelen == args->namelen &&
-		    args->name[0] == sfe->name[0] &&
-		    memcmp(args->name, sfe->name, args->namelen) == 0)
-			return XFS_ERROR(EEXIST);
-		sfe = XFS_DIR_SF_NEXTENTRY(sfe);
-	}
-
-	offset = (int)((char *)sfe - (char *)sf);
-	size = XFS_DIR_SF_ENTSIZE_BYNAME(args->namelen);
-	xfs_idata_realloc(dp, size, XFS_DATA_FORK);
-	sf = (xfs_dir_shortform_t *)dp->i_df.if_u1.if_data;
-	sfe = (xfs_dir_sf_entry_t *)((char *)sf + offset);
-
-	XFS_DIR_SF_PUT_DIRINO(&args->inumber, &sfe->inumber);
-	sfe->namelen = args->namelen;
-	memcpy(sfe->name, args->name, sfe->namelen);
-	sf->hdr.count++;
-
-	dp->i_d.di_size += size;
-	xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA);
-
-	return 0;
-}
-
-/*
- * Remove a name from the shortform directory structure.
- */
-int
-xfs_dir_shortform_removename(xfs_da_args_t *args)
-{
-	xfs_dir_shortform_t *sf;
-	xfs_dir_sf_entry_t *sfe;
-	int base, size = 0, i;
-	xfs_inode_t *dp;
-
-	dp = args->dp;
-	ASSERT(dp->i_df.if_flags & XFS_IFINLINE);
-	/*
-	 * Catch the case where the conversion from shortform to leaf
-	 * failed part way through.
-	 */
-	if (dp->i_d.di_size < sizeof(xfs_dir_sf_hdr_t)) {
-		ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount));
-		return XFS_ERROR(EIO);
-	}
-	ASSERT(dp->i_df.if_bytes == dp->i_d.di_size);
-	ASSERT(dp->i_df.if_u1.if_data != NULL);
-	base = sizeof(xfs_dir_sf_hdr_t);
-	sf = (xfs_dir_shortform_t *)dp->i_df.if_u1.if_data;
-	sfe = &sf->list[0];
-	for (i = sf->hdr.count-1; i >= 0; i--) {
-		size = XFS_DIR_SF_ENTSIZE_BYENTRY(sfe);
-		if (sfe->namelen == args->namelen &&
-		    sfe->name[0] == args->name[0] &&
-		    memcmp(sfe->name, args->name, args->namelen) == 0)
-			break;
-		base += size;
-		sfe = XFS_DIR_SF_NEXTENTRY(sfe);
-	}
-	if (i < 0) {
-		ASSERT(args->oknoent);
-		return XFS_ERROR(ENOENT);
-	}
-
-	if ((base + size) != dp->i_d.di_size) {
-		memmove(&((char *)sf)[base], &((char *)sf)[base+size],
-					      dp->i_d.di_size - (base+size));
-	}
-	sf->hdr.count--;
-
-	xfs_idata_realloc(dp, -size, XFS_DATA_FORK);
-	dp->i_d.di_size -= size;
-	xfs_trans_log_inode(args->trans, dp, XFS_ILOG_CORE | XFS_ILOG_DDATA);
-
-	return 0;
-}
-
-/*
- * Look up a name in a shortform directory structure.
- */
-int
-xfs_dir_shortform_lookup(xfs_da_args_t *args)
-{
-	xfs_dir_shortform_t *sf;
-	xfs_dir_sf_entry_t *sfe;
-	int i;
-	xfs_inode_t *dp;
-
-	dp = args->dp;
-	ASSERT(dp->i_df.if_flags & XFS_IFINLINE);
-	/*
-	 * Catch the case where the conversion from shortform to leaf
-	 * failed part way through.
-	 */
-	if (dp->i_d.di_size < sizeof(xfs_dir_sf_hdr_t)) {
-		ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount));
-		return XFS_ERROR(EIO);
-	}
-	ASSERT(dp->i_df.if_bytes == dp->i_d.di_size);
-	ASSERT(dp->i_df.if_u1.if_data != NULL);
-	sf = (xfs_dir_shortform_t *)dp->i_df.if_u1.if_data;
-	if (args->namelen == 2 &&
-	    args->name[0] == '.' && args->name[1] == '.') {
-		XFS_DIR_SF_GET_DIRINO(&sf->hdr.parent, &args->inumber);
-		return(XFS_ERROR(EEXIST));
-	}
-	if (args->namelen == 1 && args->name[0] == '.') {
-		args->inumber = dp->i_ino;
-		return(XFS_ERROR(EEXIST));
-	}
-	sfe = &sf->list[0];
-	for (i = sf->hdr.count-1; i >= 0; i--) {
-		if (sfe->namelen == args->namelen &&
-		    sfe->name[0] == args->name[0] &&
-		    memcmp(args->name, sfe->name, args->namelen) == 0) {
-			XFS_DIR_SF_GET_DIRINO(&sfe->inumber, &args->inumber);
-			return(XFS_ERROR(EEXIST));
-		}
-		sfe = XFS_DIR_SF_NEXTENTRY(sfe);
-	}
-	ASSERT(args->oknoent);
-	return(XFS_ERROR(ENOENT));
-}
-
-/*
- * Convert from using the shortform to the leaf.
- */
-int
-xfs_dir_shortform_to_leaf(xfs_da_args_t *iargs)
-{
-	xfs_inode_t *dp;
-	xfs_dir_shortform_t *sf;
-	xfs_dir_sf_entry_t *sfe;
-	xfs_da_args_t args;
-	xfs_ino_t inumber;
-	char *tmpbuffer;
-	int retval, i, size;
-	xfs_dablk_t blkno;
-	xfs_dabuf_t *bp;
-
-	dp = iargs->dp;
-	/*
-	 * Catch the case where the conversion from shortform to leaf
-	 * failed part way through.
-	 */
-	if (dp->i_d.di_size < sizeof(xfs_dir_sf_hdr_t)) {
-		ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount));
-		return XFS_ERROR(EIO);
-	}
-	ASSERT(dp->i_df.if_bytes == dp->i_d.di_size);
-	ASSERT(dp->i_df.if_u1.if_data != NULL);
-	size = dp->i_df.if_bytes;
-	tmpbuffer = kmem_alloc(size, KM_SLEEP);
-	ASSERT(tmpbuffer != NULL);
-
-	memcpy(tmpbuffer, dp->i_df.if_u1.if_data, size);
-
-	sf = (xfs_dir_shortform_t *)tmpbuffer;
-	XFS_DIR_SF_GET_DIRINO(&sf->hdr.parent, &inumber);
-
-	xfs_idata_realloc(dp, -size, XFS_DATA_FORK);
-	dp->i_d.di_size = 0;
-	xfs_trans_log_inode(iargs->trans, dp, XFS_ILOG_CORE);
-	retval = xfs_da_grow_inode(iargs, &blkno);
-	if (retval)
-		goto out;
-
-	ASSERT(blkno == 0);
-	retval = xfs_dir_leaf_create(iargs, blkno, &bp);
-	if (retval)
-		goto out;
-	xfs_da_buf_done(bp);
-
-	args.name = ".";
-	args.namelen = 1;
-	args.hashval = xfs_dir_hash_dot;
-	args.inumber = dp->i_ino;
-	args.dp = dp;
-	args.firstblock = iargs->firstblock;
-	args.flist = iargs->flist;
-	args.total = iargs->total;
-	args.whichfork = XFS_DATA_FORK;
-	args.trans = iargs->trans;
-	args.justcheck = 0;
-	args.addname = args.oknoent = 1;
-	retval = xfs_dir_leaf_addname(&args);
-	if (retval)
-		goto out;
-
-	args.name = "..";
-	args.namelen = 2;
-	args.hashval = xfs_dir_hash_dotdot;
-	args.inumber = inumber;
-	retval = xfs_dir_leaf_addname(&args);
-	if (retval)
-		goto out;
-
-	sfe = &sf->list[0];
-	for (i = 0; i < sf->hdr.count; i++) {
-		args.name = (char *)(sfe->name);
-		args.namelen = sfe->namelen;
-		args.hashval = xfs_da_hashname((char *)(sfe->name),
-					       sfe->namelen);
-		XFS_DIR_SF_GET_DIRINO(&sfe->inumber, &args.inumber);
-		retval = xfs_dir_leaf_addname(&args);
-		if (retval)
-			goto out;
-		sfe = XFS_DIR_SF_NEXTENTRY(sfe);
-	}
-	retval = 0;
-
-out:
-	kmem_free(tmpbuffer, size);
-	return retval;
-}
-
-STATIC int
-xfs_dir_shortform_compare(const void *a, const void *b)
-{
-	xfs_dir_sf_sort_t *sa, *sb;
-
-	sa = (xfs_dir_sf_sort_t *)a;
-	sb = (xfs_dir_sf_sort_t *)b;
-	if (sa->hash < sb->hash)
-		return -1;
-	else if (sa->hash > sb->hash)
-		return 1;
-	else
-		return sa->entno - sb->entno;
-}
-
-/*
- * Copy out directory entries for getdents(), for shortform directories.
- */
-/*ARGSUSED*/
-int
-xfs_dir_shortform_getdents(xfs_inode_t *dp, uio_t *uio, int *eofp,
-				       xfs_dirent_t *dbp, xfs_dir_put_t put)
-{
-	xfs_dir_shortform_t *sf;
-	xfs_dir_sf_entry_t *sfe;
-	int retval, i, sbsize, nsbuf, lastresid=0, want_entno;
-	xfs_mount_t *mp;
-	xfs_dahash_t cookhash, hash;
-	xfs_dir_put_args_t p;
-	xfs_dir_sf_sort_t *sbuf, *sbp;
-
-	mp = dp->i_mount;
-	sf = (xfs_dir_shortform_t *)dp->i_df.if_u1.if_data;
-	cookhash = XFS_DA_COOKIE_HASH(mp, uio->uio_offset);
-	want_entno = XFS_DA_COOKIE_ENTRY(mp, uio->uio_offset);
-	nsbuf = sf->hdr.count + 2;
-	sbsize = (nsbuf + 1) * sizeof(*sbuf);
-	sbp = sbuf = kmem_alloc(sbsize, KM_SLEEP);
-
-	xfs_dir_trace_g_du("sf: start", dp, uio);
-
-	/*
-	 * Collect all the entries into the buffer.
-	 * Entry 0 is .
-	 */
-	sbp->entno = 0;
-	sbp->seqno = 0;
-	sbp->hash = xfs_dir_hash_dot;
-	sbp->ino = dp->i_ino;
-	sbp->name = ".";
-	sbp->namelen = 1;
-	sbp++;
-
-	/*
-	 * Entry 1 is ..
-	 */
-	sbp->entno = 1;
-	sbp->seqno = 0;
-	sbp->hash = xfs_dir_hash_dotdot;
-	sbp->ino = XFS_GET_DIR_INO8(sf->hdr.parent);
-	sbp->name = "..";
-	sbp->namelen = 2;
-	sbp++;
-
-	/*
-	 * Scan the directory data for the rest of the entries.
-	 */
-	for (i = 0, sfe = &sf->list[0]; i < sf->hdr.count; i++) {
-
-		if (unlikely(
-		    ((char *)sfe < (char *)sf) ||
-		    ((char *)sfe >= ((char *)sf + dp->i_df.if_bytes)))) {
-			xfs_dir_trace_g_du("sf: corrupted", dp, uio);
-			XFS_CORRUPTION_ERROR("xfs_dir_shortform_getdents",
-					     XFS_ERRLEVEL_LOW, mp, sfe);
-			kmem_free(sbuf, sbsize);
-			return XFS_ERROR(EFSCORRUPTED);
-		}
-
-		sbp->entno = i + 2;
-		sbp->seqno = 0;
-		sbp->hash = xfs_da_hashname((char *)sfe->name, sfe->namelen);
-		sbp->ino = XFS_GET_DIR_INO8(sfe->inumber);
-		sbp->name = (char *)sfe->name;
-		sbp->namelen = sfe->namelen;
-		sfe = XFS_DIR_SF_NEXTENTRY(sfe);
-		sbp++;
-	}
-
-	/*
-	 * Sort the entries on hash then entno.
-	 */
-	xfs_sort(sbuf, nsbuf, sizeof(*sbuf), xfs_dir_shortform_compare);
-	/*
-	 * Stuff in last entry.
-	 */
-	sbp->entno = nsbuf;
-	sbp->hash = XFS_DA_MAXHASH;
-	sbp->seqno = 0;
-	/*
-	 * Figure out the sequence numbers in case there's a hash duplicate.
-	 */
-	for (hash = sbuf->hash, sbp = sbuf + 1;
-				sbp < &sbuf[nsbuf + 1]; sbp++) {
-		if (sbp->hash == hash)
-			sbp->seqno = sbp[-1].seqno + 1;
-		else
-			hash = sbp->hash;
-	}
-
-	/*
-	 * Set up put routine.
-	 */
-	p.dbp = dbp;
-	p.put = put;
-	p.uio = uio;
-
-	/*
-	 * Find our place.
-	 */
-	for (sbp = sbuf; sbp < &sbuf[nsbuf + 1]; sbp++) {
-		if (sbp->hash > cookhash ||
-		    (sbp->hash == cookhash && sbp->seqno >= want_entno))
-			break;
-	}
-
-	/*
-	 * Did we fail to find anything?  We stop at the last entry,
-	 * the one we put maxhash into.
-	 */
-	if (sbp == &sbuf[nsbuf]) {
-		kmem_free(sbuf, sbsize);
-		xfs_dir_trace_g_du("sf: hash beyond end", dp, uio);
-		uio->uio_offset = XFS_DA_MAKE_COOKIE(mp, 0, 0, XFS_DA_MAXHASH);
-		*eofp = 1;
-		return 0;
-	}
-
-	/*
-	 * Loop putting entries into the user buffer.
-	 */
-	while (sbp < &sbuf[nsbuf]) {
-		/*
-		 * Save the first resid in a run of equal-hashval entries
-		 * so that we can back them out if they don't all fit.
-		 */
-		if (sbp->seqno == 0 || sbp == sbuf)
-			lastresid = uio->uio_resid;
-		XFS_PUT_COOKIE(p.cook, mp, 0, sbp[1].seqno, sbp[1].hash);
-		p.ino = sbp->ino;
-#if XFS_BIG_INUMS
-		p.ino += mp->m_inoadd;
-#endif
-		p.name = sbp->name;
-		p.namelen = sbp->namelen;
-		retval = p.put(&p);
-		if (!p.done) {
-			uio->uio_offset =
-				XFS_DA_MAKE_COOKIE(mp, 0, 0, sbp->hash);
-			kmem_free(sbuf, sbsize);
-			uio->uio_resid = lastresid;
-			xfs_dir_trace_g_du("sf: E-O-B", dp, uio);
-			return retval;
-		}
-		sbp++;
-	}
-	kmem_free(sbuf, sbsize);
-	uio->uio_offset = p.cook.o;
-	*eofp = 1;
-	xfs_dir_trace_g_du("sf: E-O-F", dp, uio);
-	return 0;
-}
-
-/*
- * Look up a name in a shortform directory structure, replace the inode number.
- */
-int
-xfs_dir_shortform_replace(xfs_da_args_t *args)
-{
-	xfs_dir_shortform_t *sf;
-	xfs_dir_sf_entry_t *sfe;
-	xfs_inode_t *dp;
-	int i;
-
-	dp = args->dp;
-	ASSERT(dp->i_df.if_flags & XFS_IFINLINE);
-	/*
-	 * Catch the case where the conversion from shortform to leaf
-	 * failed part way through.
-	 */
-	if (dp->i_d.di_size < sizeof(xfs_dir_sf_hdr_t)) {
-		ASSERT(XFS_FORCED_SHUTDOWN(dp->i_mount));
-		return XFS_ERROR(EIO);
-	}
-	ASSERT(dp->i_df.if_bytes == dp->i_d.di_size);
-	ASSERT(dp->i_df.if_u1.if_data != NULL);
-	sf = (xfs_dir_shortform_t *)dp->i_df.if_u1.if_data;
-	if (args->namelen == 2 &&
-	    args->name[0] == '.' && args->name[1] == '.') {
-		/* XXX - replace assert? */
-		XFS_DIR_SF_PUT_DIRINO(&args->inumber, &sf->hdr.parent);
-		xfs_trans_log_inode(args->trans, dp, XFS_ILOG_DDATA);
-		return 0;
-	}
-	ASSERT(args->namelen != 1 || args->name[0] != '.');
-	sfe = &sf->list[0];
-	for (i = sf->hdr.count-1; i >= 0; i--) {
-		if (sfe->namelen == args->namelen &&
-		    sfe->name[0] == args->name[0] &&
-		    memcmp(args->name, sfe->name, args->namelen) == 0) {
-			ASSERT(memcmp((char *)&args->inumber,
-				(char *)&sfe->inumber, sizeof(xfs_ino_t)));
-			XFS_DIR_SF_PUT_DIRINO(&args->inumber, &sfe->inumber);
-			xfs_trans_log_inode(args->trans, dp, XFS_ILOG_DDATA);
-			return 0;
-		}
-		sfe = XFS_DIR_SF_NEXTENTRY(sfe);
-	}
-	ASSERT(args->oknoent);
-	return XFS_ERROR(ENOENT);
-}
-
-/*
- * Convert a leaf directory to shortform structure
- */
-int
-xfs_dir_leaf_to_shortform(xfs_da_args_t *iargs)
-{
-	xfs_dir_leafblock_t *leaf;
-	xfs_dir_leaf_hdr_t *hdr;
-	xfs_dir_leaf_entry_t *entry;
-	xfs_dir_leaf_name_t *namest;
-	xfs_da_args_t args;
-	xfs_inode_t *dp;
-	xfs_ino_t parent = 0;
-	char *tmpbuffer;
-	int retval, i;
-	xfs_dabuf_t *bp;
-
-	dp = iargs->dp;
-	tmpbuffer = kmem_alloc(XFS_LBSIZE(dp->i_mount), KM_SLEEP);
-	ASSERT(tmpbuffer != NULL);
-
-	retval = xfs_da_read_buf(iargs->trans, iargs->dp, 0, -1, &bp,
-					       XFS_DATA_FORK);
-	if (retval)
-		goto out;
-	ASSERT(bp != NULL);
-	memcpy(tmpbuffer, bp->data, XFS_LBSIZE(dp->i_mount));
-	leaf = (xfs_dir_leafblock_t *)tmpbuffer;
-	ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
-	memset(bp->data, 0, XFS_LBSIZE(dp->i_mount));
-
-	/*
-	 * Find and special case the parent inode number
-	 */
-	hdr = &leaf->hdr;
-	entry = &leaf->entries[0];
-	for (i = be16_to_cpu(hdr->count)-1; i >= 0; entry++, i--) {
-		namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, be16_to_cpu(entry->nameidx));
-		if ((entry->namelen == 2) &&
-		    (namest->name[0] == '.') &&
-		    (namest->name[1] == '.')) {
-			XFS_DIR_SF_GET_DIRINO(&namest->inumber, &parent);
-			entry->nameidx = 0;
-		} else if ((entry->namelen == 1) && (namest->name[0] == '.')) {
-			entry->nameidx = 0;
-		}
-	}
-	retval = xfs_da_shrink_inode(iargs, 0, bp);
-	if (retval)
-		goto out;
-	retval = xfs_dir_shortform_create(iargs, parent);
-	if (retval)
-		goto out;
-
-	/*
-	 * Copy the rest of the filenames
-	 */
-	entry = &leaf->entries[0];
-	args.dp = dp;
-	args.firstblock = iargs->firstblock;
-	args.flist = iargs->flist;
-	args.total = iargs->total;
-	args.whichfork = XFS_DATA_FORK;
-	args.trans = iargs->trans;
-	args.justcheck = 0;
-	args.addname = args.oknoent = 1;
-	for (i = 0; i < be16_to_cpu(hdr->count); entry++, i++) {
-		if (!entry->nameidx)
-			continue;
-		namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, be16_to_cpu(entry->nameidx));
-		args.name = (char *)(namest->name);
-		args.namelen = entry->namelen;
-		args.hashval = be32_to_cpu(entry->hashval);
-		XFS_DIR_SF_GET_DIRINO(&namest->inumber, &args.inumber);
-		xfs_dir_shortform_addname(&args);
-	}
-
-out:
-	kmem_free(tmpbuffer, XFS_LBSIZE(dp->i_mount));
-	return retval;
-}
-
-/*
- * Convert from using a single leaf to a root node and a leaf.
- */
-int
-xfs_dir_leaf_to_node(xfs_da_args_t *args)
-{
-	xfs_dir_leafblock_t *leaf;
-	xfs_da_intnode_t *node;
-	xfs_inode_t *dp;
-	xfs_dabuf_t *bp1, *bp2;
-	xfs_dablk_t blkno;
-	int retval;
-
-	dp = args->dp;
-	retval = xfs_da_grow_inode(args, &blkno);
-	ASSERT(blkno == 1);
-	if (retval)
-		return retval;
-	retval = xfs_da_read_buf(args->trans, args->dp, 0, -1, &bp1,
-					      XFS_DATA_FORK);
-	if (retval)
-		return retval;
-	ASSERT(bp1 != NULL);
-	retval = xfs_da_get_buf(args->trans, args->dp, 1, -1, &bp2,
-					     XFS_DATA_FORK);
-	if (retval) {
-		xfs_da_buf_done(bp1);
-		return retval;
-	}
-	ASSERT(bp2 != NULL);
-	memcpy(bp2->data, bp1->data, XFS_LBSIZE(dp->i_mount));
-	xfs_da_buf_done(bp1);
-	xfs_da_log_buf(args->trans, bp2, 0, XFS_LBSIZE(dp->i_mount) - 1);
-
-	/*
-	 * Set up the new root node.
-	 */
-	retval = xfs_da_node_create(args, 0, 1, &bp1, XFS_DATA_FORK);
-	if (retval) {
-		xfs_da_buf_done(bp2);
-		return retval;
-	}
-	node = bp1->data;
-	leaf = bp2->data;
-	ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
-	node->btree[0].hashval = leaf->entries[be16_to_cpu(leaf->hdr.count)-1].hashval;
-	xfs_da_buf_done(bp2);
-	node->btree[0].before = cpu_to_be32(blkno);
-	node->hdr.count = cpu_to_be16(1);
-	xfs_da_log_buf(args->trans, bp1,
-		XFS_DA_LOGRANGE(node, &node->btree[0], sizeof(node->btree[0])));
-	xfs_da_buf_done(bp1);
-
-	return retval;
-}
-
-
-/*========================================================================
- * Routines used for growing the Btree.
- *========================================================================*/
-
-/*
- * Create the initial contents of a leaf directory
- * or a leaf in a node directory.
- */
-STATIC int
-xfs_dir_leaf_create(xfs_da_args_t *args, xfs_dablk_t blkno, xfs_dabuf_t **bpp)
-{
-	xfs_dir_leafblock_t *leaf;
-	xfs_dir_leaf_hdr_t *hdr;
-	xfs_inode_t *dp;
-	xfs_dabuf_t *bp;
-	int retval;
-
-	dp = args->dp;
-	ASSERT(dp != NULL);
-	retval = xfs_da_get_buf(args->trans, dp, blkno, -1, &bp, XFS_DATA_FORK);
-	if (retval)
-		return retval;
-	ASSERT(bp != NULL);
-	leaf = bp->data;
-	memset((char *)leaf, 0, XFS_LBSIZE(dp->i_mount));
-	hdr = &leaf->hdr;
-	hdr->info.magic = cpu_to_be16(XFS_DIR_LEAF_MAGIC);
-	hdr->firstused = cpu_to_be16(XFS_LBSIZE(dp->i_mount));
-	if (!hdr->firstused)
-		hdr->firstused = cpu_to_be16(XFS_LBSIZE(dp->i_mount) - 1);
-	hdr->freemap[0].base = cpu_to_be16(sizeof(xfs_dir_leaf_hdr_t));
-	hdr->freemap[0].size = cpu_to_be16(be16_to_cpu(hdr->firstused) -
-					   be16_to_cpu(hdr->freemap[0].base));
-
-	xfs_da_log_buf(args->trans, bp, 0, XFS_LBSIZE(dp->i_mount) - 1);
-
-	*bpp = bp;
-	return 0;
-}
-
-/*
- * Split the leaf node, rebalance, then add the new entry.
- */
-int
-xfs_dir_leaf_split(xfs_da_state_t *state, xfs_da_state_blk_t *oldblk,
-				  xfs_da_state_blk_t *newblk)
-{
-	xfs_dablk_t blkno;
-	xfs_da_args_t *args;
-	int error;
-
-	/*
-	 * Allocate space for a new leaf node.
-	 */
-	args = state->args;
-	ASSERT(args != NULL);
-	ASSERT(oldblk->magic == XFS_DIR_LEAF_MAGIC);
-	error = xfs_da_grow_inode(args, &blkno);
-	if (error)
-		return error;
-	error = xfs_dir_leaf_create(args, blkno, &newblk->bp);
-	if (error)
-		return error;
-	newblk->blkno = blkno;
-	newblk->magic = XFS_DIR_LEAF_MAGIC;
-
-	/*
-	 * Rebalance the entries across the two leaves.
-	 */
-	xfs_dir_leaf_rebalance(state, oldblk, newblk);
-	error = xfs_da_blk_link(state, oldblk, newblk);
-	if (error)
-		return error;
-
-	/*
-	 * Insert the new entry in the correct block.
-	 */
-	if (state->inleaf) {
-		error = xfs_dir_leaf_add(oldblk->bp, args, oldblk->index);
-	} else {
-		error = xfs_dir_leaf_add(newblk->bp, args, newblk->index);
-	}
-
-	/*
-	 * Update last hashval in each block since we added the name.
-	 */
-	oldblk->hashval = xfs_dir_leaf_lasthash(oldblk->bp, NULL);
-	newblk->hashval = xfs_dir_leaf_lasthash(newblk->bp, NULL);
-	return error;
-}
-
-/*
- * Add a name to the leaf directory structure.
- *
- * Must take into account fragmented leaves and leaves where spacemap has
- * lost some freespace information (ie: holes).
- */
-int
-xfs_dir_leaf_add(xfs_dabuf_t *bp, xfs_da_args_t *args, int index)
-{
-	xfs_dir_leafblock_t *leaf;
-	xfs_dir_leaf_hdr_t *hdr;
-	xfs_dir_leaf_map_t *map;
-	int tablesize, entsize, sum, i, tmp, error;
-
-	leaf = bp->data;
-	ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
-	ASSERT((index >= 0) && (index <= be16_to_cpu(leaf->hdr.count)));
-	hdr = &leaf->hdr;
-	entsize = XFS_DIR_LEAF_ENTSIZE_BYNAME(args->namelen);
-
-	/*
-	 * Search through freemap for first-fit on new name length.
-	 * (may need to figure in size of entry struct too)
-	 */
-	tablesize = (be16_to_cpu(hdr->count) + 1) *
-		sizeof(xfs_dir_leaf_entry_t) + sizeof(xfs_dir_leaf_hdr_t);
-	map = &hdr->freemap[XFS_DIR_LEAF_MAPSIZE-1];
-	for (sum = 0, i = XFS_DIR_LEAF_MAPSIZE-1; i >= 0; map--, i--) {
-		if (tablesize > be16_to_cpu(hdr->firstused)) {
-			sum += be16_to_cpu(map->size);
-			continue;
-		}
-		if (!map->size)
-			continue;	/* no space in this map */
-		tmp = entsize;
-		if (be16_to_cpu(map->base) < be16_to_cpu(hdr->firstused))
-			tmp += (uint)sizeof(xfs_dir_leaf_entry_t);
-		if (be16_to_cpu(map->size) >= tmp) {
-			if (!args->justcheck)
-				xfs_dir_leaf_add_work(bp, args, index, i);
-			return 0;
-		}
-		sum += be16_to_cpu(map->size);
-	}
-
-	/*
-	 * If there are no holes in the address space of the block,
-	 * and we don't have enough freespace, then compaction will do us
-	 * no good and we should just give up.
-	 */
-	if (!hdr->holes && (sum < entsize))
-		return XFS_ERROR(ENOSPC);
-
-	/*
-	 * Compact the entries to coalesce free space.
-	 * Pass the justcheck flag so the checking pass can return
-	 * an error, without changing anything, if it won't fit.
-	 */
-	error = xfs_dir_leaf_compact(args->trans, bp,
-			args->total == 0 ?
-				entsize +
-				(uint)sizeof(xfs_dir_leaf_entry_t) : 0,
-			args->justcheck);
-	if (error)
-		return error;
-	/*
-	 * After compaction, the block is guaranteed to have only one
-	 * free region, in freemap[0].  If it is not big enough, give up.
-	 */
-	if (be16_to_cpu(hdr->freemap[0].size) <
-	    (entsize + (uint)sizeof(xfs_dir_leaf_entry_t)))
-		return XFS_ERROR(ENOSPC);
-
-	if (!args->justcheck)
-		xfs_dir_leaf_add_work(bp, args, index, 0);
-	return 0;
-}
-
-/*
- * Add a name to a leaf directory structure.
- */
-STATIC void
-xfs_dir_leaf_add_work(xfs_dabuf_t *bp, xfs_da_args_t *args, int index,
-		      int mapindex)
-{
-	xfs_dir_leafblock_t *leaf;
-	xfs_dir_leaf_hdr_t *hdr;
-	xfs_dir_leaf_entry_t *entry;
-	xfs_dir_leaf_name_t *namest;
-	xfs_dir_leaf_map_t *map;
-	/* REFERENCED */
-	xfs_mount_t *mp;
-	int tmp, i;
-
-	leaf = bp->data;
-	ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
-	hdr = &leaf->hdr;
-	ASSERT((mapindex >= 0) && (mapindex < XFS_DIR_LEAF_MAPSIZE));
-	ASSERT((index >= 0) && (index <= be16_to_cpu(hdr->count)));
-
-	/*
-	 * Force open some space in the entry array and fill it in.
-	 */
-	entry = &leaf->entries[index];
-	if (index < be16_to_cpu(hdr->count)) {
-		tmp  = be16_to_cpu(hdr->count) - index;
-		tmp *= (uint)sizeof(xfs_dir_leaf_entry_t);
-		memmove(entry + 1, entry, tmp);
-		xfs_da_log_buf(args->trans, bp,
-		    XFS_DA_LOGRANGE(leaf, entry, tmp + (uint)sizeof(*entry)));
-	}
-	be16_add(&hdr->count, 1);
-
-	/*
-	 * Allocate space for the new string (at the end of the run).
-	 */
-	map = &hdr->freemap[mapindex];
-	mp = args->trans->t_mountp;
-	ASSERT(be16_to_cpu(map->base) < XFS_LBSIZE(mp));
-	ASSERT(be16_to_cpu(map->size) >= XFS_DIR_LEAF_ENTSIZE_BYNAME(args->namelen));
-	ASSERT(be16_to_cpu(map->size) < XFS_LBSIZE(mp));
-
-	be16_add(&map->size, -(XFS_DIR_LEAF_ENTSIZE_BYNAME(args->namelen)));
-	entry->nameidx = cpu_to_be16(be16_to_cpu(map->base) +
-				     be16_to_cpu(map->size));
-	entry->hashval = cpu_to_be32(args->hashval);
-	entry->namelen = args->namelen;
-	xfs_da_log_buf(args->trans, bp,
-	    XFS_DA_LOGRANGE(leaf, entry, sizeof(*entry)));
-
-	/*
-	 * Copy the string and inode number into the new space.
-	 */
-	namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, be16_to_cpu(entry->nameidx));
-	XFS_DIR_SF_PUT_DIRINO(&args->inumber, &namest->inumber);
-	memcpy(namest->name, args->name, args->namelen);
-	xfs_da_log_buf(args->trans, bp,
-	    XFS_DA_LOGRANGE(leaf, namest, XFS_DIR_LEAF_ENTSIZE_BYENTRY(entry)));
-
-	/*
-	 * Update the control info for this leaf node
-	 */
-	if (be16_to_cpu(entry->nameidx) < be16_to_cpu(hdr->firstused))
-		hdr->firstused = entry->nameidx;
-	ASSERT(be16_to_cpu(hdr->firstused) >=
-	       ((be16_to_cpu(hdr->count)*sizeof(*entry))+sizeof(*hdr)));
-	tmp = (be16_to_cpu(hdr->count)-1) * (uint)sizeof(xfs_dir_leaf_entry_t)
-			+ (uint)sizeof(xfs_dir_leaf_hdr_t);
-	map = &hdr->freemap[0];
-	for (i = 0; i < XFS_DIR_LEAF_MAPSIZE; map++, i++) {
-		if (be16_to_cpu(map->base) == tmp) {
-			int entry_size = sizeof(xfs_dir_leaf_entry_t);
-			be16_add(&map->base, entry_size);
-			be16_add(&map->size, -entry_size);
-		}
-	}
-	be16_add(&hdr->namebytes, args->namelen);
-	xfs_da_log_buf(args->trans, bp,
-		XFS_DA_LOGRANGE(leaf, hdr, sizeof(*hdr)));
-}
-
-/*
- * Garbage collect a leaf directory block by copying it to a new buffer.
- */
-STATIC int
-xfs_dir_leaf_compact(xfs_trans_t *trans, xfs_dabuf_t *bp, int musthave,
-		     int justcheck)
-{
-	xfs_dir_leafblock_t *leaf_s, *leaf_d;
-	xfs_dir_leaf_hdr_t *hdr_s, *hdr_d;
-	xfs_mount_t *mp;
-	char *tmpbuffer;
-	char *tmpbuffer2=NULL;
-	int rval;
-	int lbsize;
-
-	mp = trans->t_mountp;
-	lbsize = XFS_LBSIZE(mp);
-	tmpbuffer = kmem_alloc(lbsize, KM_SLEEP);
-	ASSERT(tmpbuffer != NULL);
-	memcpy(tmpbuffer, bp->data, lbsize);
-
-	/*
-	 * Make a second copy in case xfs_dir_leaf_moveents()
-	 * below destroys the original.
-	 */
-	if (musthave || justcheck) {
-		tmpbuffer2 = kmem_alloc(lbsize, KM_SLEEP);
-		memcpy(tmpbuffer2, bp->data, lbsize);
-	}
-	memset(bp->data, 0, lbsize);
-
-	/*
-	 * Copy basic information
-	 */
-	leaf_s = (xfs_dir_leafblock_t *)tmpbuffer;
-	leaf_d = bp->data;
-	hdr_s = &leaf_s->hdr;
-	hdr_d = &leaf_d->hdr;
-	hdr_d->info = hdr_s->info;	/* struct copy */
-	hdr_d->firstused = cpu_to_be16(lbsize);
-	if (!hdr_d->firstused)
-		hdr_d->firstused = cpu_to_be16(lbsize - 1);
-	hdr_d->namebytes = 0;
-	hdr_d->count = 0;
-	hdr_d->holes = 0;
-	hdr_d->freemap[0].base = cpu_to_be16(sizeof(xfs_dir_leaf_hdr_t));
-	hdr_d->freemap[0].size = cpu_to_be16(be16_to_cpu(hdr_d->firstused) -
-			                     be16_to_cpu(hdr_d->freemap[0].base));
-
-	/*
-	 * Copy all entry's in the same (sorted) order,
-	 * but allocate filenames packed and in sequence.
-	 * This changes the source (leaf_s) as well.
-	 */
-	xfs_dir_leaf_moveents(leaf_s, 0, leaf_d, 0, be16_to_cpu(hdr_s->count), mp);
-
-	if (musthave && be16_to_cpu(hdr_d->freemap[0].size) < musthave)
-		rval = XFS_ERROR(ENOSPC);
-	else
-		rval = 0;
-
-	if (justcheck || rval == ENOSPC) {
-		ASSERT(tmpbuffer2);
-		memcpy(bp->data, tmpbuffer2, lbsize);
-	} else {
-		xfs_da_log_buf(trans, bp, 0, lbsize - 1);
-	}
-
-	kmem_free(tmpbuffer, lbsize);
-	if (musthave || justcheck)
-		kmem_free(tmpbuffer2, lbsize);
-	return rval;
-}
-
-/*
- * Redistribute the directory entries between two leaf nodes,
- * taking into account the size of the new entry.
- *
- * NOTE: if new block is empty, then it will get the upper half of old block.
- */
-STATIC void
-xfs_dir_leaf_rebalance(xfs_da_state_t *state, xfs_da_state_blk_t *blk1,
-				      xfs_da_state_blk_t *blk2)
-{
-	xfs_da_state_blk_t *tmp_blk;
-	xfs_dir_leafblock_t *leaf1, *leaf2;
-	xfs_dir_leaf_hdr_t *hdr1, *hdr2;
-	int count, totallen, max, space, swap;
-
-	/*
-	 * Set up environment.
-	 */
-	ASSERT(blk1->magic == XFS_DIR_LEAF_MAGIC);
-	ASSERT(blk2->magic == XFS_DIR_LEAF_MAGIC);
-	leaf1 = blk1->bp->data;
-	leaf2 = blk2->bp->data;
-	ASSERT(be16_to_cpu(leaf1->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
-	ASSERT(be16_to_cpu(leaf2->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
-
-	/*
-	 * Check ordering of blocks, reverse if it makes things simpler.
-	 */
-	swap = 0;
-	if (xfs_dir_leaf_order(blk1->bp, blk2->bp)) {
-		tmp_blk = blk1;
-		blk1 = blk2;
-		blk2 = tmp_blk;
-		leaf1 = blk1->bp->data;
-		leaf2 = blk2->bp->data;
-		swap = 1;
-	}
-	hdr1 = &leaf1->hdr;
-	hdr2 = &leaf2->hdr;
-
-	/*
-	 * Examine entries until we reduce the absolute difference in
-	 * byte usage between the two blocks to a minimum.  Then get
-	 * the direction to copy and the number of elements to move.
-	 */
-	state->inleaf = xfs_dir_leaf_figure_balance(state, blk1, blk2,
-							   &count, &totallen);
-	if (swap)
-		state->inleaf = !state->inleaf;
-
-	/*
-	 * Move any entries required from leaf to leaf:
-	 */
-	if (count < be16_to_cpu(hdr1->count)) {
-		/*
-		 * Figure the total bytes to be added to the destination leaf.
-		 */
-		count = be16_to_cpu(hdr1->count) - count;	/* number entries being moved */
-		space = be16_to_cpu(hdr1->namebytes) - totallen;
-		space += count * ((uint)sizeof(xfs_dir_leaf_name_t)-1);
-		space += count * (uint)sizeof(xfs_dir_leaf_entry_t);
-
-		/*
-		 * leaf2 is the destination, compact it if it looks tight.
-		 */
-		max  = be16_to_cpu(hdr2->firstused) - (uint)sizeof(xfs_dir_leaf_hdr_t);
-		max -= be16_to_cpu(hdr2->count) * (uint)sizeof(xfs_dir_leaf_entry_t);
-		if (space > max) {
-			xfs_dir_leaf_compact(state->args->trans, blk2->bp,
-								 0, 0);
-		}
-
-		/*
-		 * Move high entries from leaf1 to low end of leaf2.
-		 */
-		xfs_dir_leaf_moveents(leaf1, be16_to_cpu(hdr1->count) - count,
-					     leaf2, 0, count, state->mp);
-
-		xfs_da_log_buf(state->args->trans, blk1->bp, 0,
-						   state->blocksize-1);
-		xfs_da_log_buf(state->args->trans, blk2->bp, 0,
-						   state->blocksize-1);
-
-	} else if (count > be16_to_cpu(hdr1->count)) {
-		/*
-		 * Figure the total bytes to be added to the destination leaf.
-		 */
-		count -= be16_to_cpu(hdr1->count);		/* number entries being moved */
-		space  = totallen - be16_to_cpu(hdr1->namebytes);
-		space += count * ((uint)sizeof(xfs_dir_leaf_name_t)-1);
-		space += count * (uint)sizeof(xfs_dir_leaf_entry_t);
-
-		/*
-		 * leaf1 is the destination, compact it if it looks tight.
-		 */
-		max  = be16_to_cpu(hdr1->firstused) - (uint)sizeof(xfs_dir_leaf_hdr_t);
-		max -= be16_to_cpu(hdr1->count) * (uint)sizeof(xfs_dir_leaf_entry_t);
-		if (space > max) {
-			xfs_dir_leaf_compact(state->args->trans, blk1->bp,
-								 0, 0);
-		}
-
-		/*
-		 * Move low entries from leaf2 to high end of leaf1.
-		 */
-		xfs_dir_leaf_moveents(leaf2, 0, leaf1, be16_to_cpu(hdr1->count),
-					     count, state->mp);
-
-		xfs_da_log_buf(state->args->trans, blk1->bp, 0,
-						   state->blocksize-1);
-		xfs_da_log_buf(state->args->trans, blk2->bp, 0,
-						   state->blocksize-1);
-	}
-
-	/*
-	 * Copy out last hashval in each block for B-tree code.
-	 */
-	blk1->hashval = be32_to_cpu(leaf1->entries[
-			be16_to_cpu(leaf1->hdr.count)-1].hashval);
-	blk2->hashval = be32_to_cpu(leaf2->entries[
-			be16_to_cpu(leaf2->hdr.count)-1].hashval);
-
-	/*
-	 * Adjust the expected index for insertion.
-	 * GROT: this doesn't work unless blk2 was originally empty.
-	 */
-	if (!state->inleaf) {
-		blk2->index = blk1->index - be16_to_cpu(leaf1->hdr.count);
-	}
-}
-
-/*
- * Examine entries until we reduce the absolute difference in
- * byte usage between the two blocks to a minimum.
- * GROT: Is this really necessary?  With other than a 512 byte blocksize,
- * GROT: there will always be enough room in either block for a new entry.
- * GROT: Do a double-split for this case?
- */
-STATIC int
-xfs_dir_leaf_figure_balance(xfs_da_state_t *state,
-					   xfs_da_state_blk_t *blk1,
-					   xfs_da_state_blk_t *blk2,
-					   int *countarg, int *namebytesarg)
-{
-	xfs_dir_leafblock_t *leaf1, *leaf2;
-	xfs_dir_leaf_hdr_t *hdr1, *hdr2;
-	xfs_dir_leaf_entry_t *entry;
-	int count, max, totallen, half;
-	int lastdelta, foundit, tmp;
-
-	/*
-	 * Set up environment.
-	 */
-	leaf1 = blk1->bp->data;
-	leaf2 = blk2->bp->data;
-	hdr1 = &leaf1->hdr;
-	hdr2 = &leaf2->hdr;
-	foundit = 0;
-	totallen = 0;
-
-	/*
-	 * Examine entries until we reduce the absolute difference in
-	 * byte usage between the two blocks to a minimum.
-	 */
-	max = be16_to_cpu(hdr1->count) + be16_to_cpu(hdr2->count);
-	half  = (max+1) * (uint)(sizeof(*entry)+sizeof(xfs_dir_leaf_entry_t)-1);
-	half += be16_to_cpu(hdr1->namebytes) + be16_to_cpu(hdr2->namebytes) +
-		state->args->namelen;
-	half /= 2;
-	lastdelta = state->blocksize;
-	entry = &leaf1->entries[0];
-	for (count = 0; count < max; entry++, count++) {
-
-#define XFS_DIR_ABS(A)	(((A) < 0) ? -(A) : (A))
-		/*
-		 * The new entry is in the first block, account for it.
-		 */
-		if (count == blk1->index) {
-			tmp = totallen + (uint)sizeof(*entry)
-				+ XFS_DIR_LEAF_ENTSIZE_BYNAME(state->args->namelen);
-			if (XFS_DIR_ABS(half - tmp) > lastdelta)
-				break;
-			lastdelta = XFS_DIR_ABS(half - tmp);
-			totallen = tmp;
-			foundit = 1;
-		}
-
-		/*
-		 * Wrap around into the second block if necessary.
-		 */
-		if (count == be16_to_cpu(hdr1->count)) {
-			leaf1 = leaf2;
-			entry = &leaf1->entries[0];
-		}
-
-		/*
-		 * Figure out if next leaf entry would be too much.
-		 */
-		tmp = totallen + (uint)sizeof(*entry)
-				+ XFS_DIR_LEAF_ENTSIZE_BYENTRY(entry);
-		if (XFS_DIR_ABS(half - tmp) > lastdelta)
-			break;
-		lastdelta = XFS_DIR_ABS(half - tmp);
-		totallen = tmp;
-#undef XFS_DIR_ABS
-	}
-
-	/*
-	 * Calculate the number of namebytes that will end up in lower block.
-	 * If new entry not in lower block, fix up the count.
-	 */
-	totallen -=
-		count * (uint)(sizeof(*entry)+sizeof(xfs_dir_leaf_entry_t)-1);
-	if (foundit) {
-		totallen -= (sizeof(*entry)+sizeof(xfs_dir_leaf_entry_t)-1) +
-			    state->args->namelen;
-	}
-
-	*countarg = count;
-	*namebytesarg = totallen;
-	return foundit;
-}
-
-/*========================================================================
- * Routines used for shrinking the Btree.
- *========================================================================*/
-
-/*
- * Check a leaf block and its neighbors to see if the block should be
- * collapsed into one or the other neighbor.  Always keep the block
- * with the smaller block number.
- * If the current block is over 50% full, don't try to join it, return 0.
- * If the block is empty, fill in the state structure and return 2.
- * If it can be collapsed, fill in the state structure and return 1.
- * If nothing can be done, return 0.
- */
-int
-xfs_dir_leaf_toosmall(xfs_da_state_t *state, int *action)
-{
-	xfs_dir_leafblock_t *leaf;
-	xfs_da_state_blk_t *blk;
-	xfs_da_blkinfo_t *info;
-	int count, bytes, forward, error, retval, i;
-	xfs_dablk_t blkno;
-	xfs_dabuf_t *bp;
-
-	/*
-	 * Check for the degenerate case of the block being over 50% full.
-	 * If so, it's not worth even looking to see if we might be able
-	 * to coalesce with a sibling.
-	 */
-	blk = &state->path.blk[ state->path.active-1 ];
-	info = blk->bp->data;
-	ASSERT(be16_to_cpu(info->magic) == XFS_DIR_LEAF_MAGIC);
-	leaf = (xfs_dir_leafblock_t *)info;
-	count = be16_to_cpu(leaf->hdr.count);
-	bytes = (uint)sizeof(xfs_dir_leaf_hdr_t) +
-		count * (uint)sizeof(xfs_dir_leaf_entry_t) +
-		count * ((uint)sizeof(xfs_dir_leaf_name_t)-1) +
-		be16_to_cpu(leaf->hdr.namebytes);
-	if (bytes > (state->blocksize >> 1)) {
-		*action = 0;	/* blk over 50%, don't try to join */
-		return 0;
-	}
-
-	/*
-	 * Check for the degenerate case of the block being empty.
-	 * If the block is empty, we'll simply delete it, no need to
-	 * coalesce it with a sibling block.  We choose (arbitrarily)
-	 * to merge with the forward block unless it is NULL.
-	 */
-	if (count == 0) {
-		/*
-		 * Make altpath point to the block we want to keep and
-		 * path point to the block we want to drop (this one).
-		 */
-		forward = (info->forw != 0);
-		memcpy(&state->altpath, &state->path, sizeof(state->path));
-		error = xfs_da_path_shift(state, &state->altpath, forward,
-						 0, &retval);
-		if (error)
-			return error;
-		if (retval) {
-			*action = 0;
-		} else {
-			*action = 2;
-		}
-		return 0;
-	}
-
-	/*
-	 * Examine each sibling block to see if we can coalesce with
-	 * at least 25% free space to spare.  We need to figure out
-	 * whether to merge with the forward or the backward block.
-	 * We prefer coalescing with the lower numbered sibling so as
-	 * to shrink a directory over time.
-	 */
-	forward = (be32_to_cpu(info->forw) < be32_to_cpu(info->back));	/* start with smaller blk num */
-	for (i = 0; i < 2; forward = !forward, i++) {
-		if (forward)
-			blkno = be32_to_cpu(info->forw);
-		else
-			blkno = be32_to_cpu(info->back);
-		if (blkno == 0)
-			continue;
-		error = xfs_da_read_buf(state->args->trans, state->args->dp,
-							    blkno, -1, &bp,
-							    XFS_DATA_FORK);
-		if (error)
-			return error;
-		ASSERT(bp != NULL);
-
-		leaf = (xfs_dir_leafblock_t *)info;
-		count  = be16_to_cpu(leaf->hdr.count);
-		bytes  = state->blocksize - (state->blocksize>>2);
-		bytes -= be16_to_cpu(leaf->hdr.namebytes);
-		leaf = bp->data;
-		ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
-		count += be16_to_cpu(leaf->hdr.count);
-		bytes -= be16_to_cpu(leaf->hdr.namebytes);
-		bytes -= count * ((uint)sizeof(xfs_dir_leaf_name_t) - 1);
-		bytes -= count * (uint)sizeof(xfs_dir_leaf_entry_t);
-		bytes -= (uint)sizeof(xfs_dir_leaf_hdr_t);
-		if (bytes >= 0)
-			break;	/* fits with at least 25% to spare */
-
-		xfs_da_brelse(state->args->trans, bp);
-	}
-	if (i >= 2) {
-		*action = 0;
-		return 0;
-	}
-	xfs_da_buf_done(bp);
-
-	/*
-	 * Make altpath point to the block we want to keep (the lower
-	 * numbered block) and path point to the block we want to drop.
-	 */
-	memcpy(&state->altpath, &state->path, sizeof(state->path));
-	if (blkno < blk->blkno) {
-		error = xfs_da_path_shift(state, &state->altpath, forward,
-						 0, &retval);
-	} else {
-		error = xfs_da_path_shift(state, &state->path, forward,
-						 0, &retval);
-	}
-	if (error)
-		return error;
-	if (retval) {
-		*action = 0;
-	} else {
-		*action = 1;
-	}
-	return 0;
-}
-
-/*
- * Remove a name from the leaf directory structure.
- *
- * Return 1 if leaf is less than 37% full, 0 if >= 37% full.
- * If two leaves are 37% full, when combined they will leave 25% free.
- */
-int
-xfs_dir_leaf_remove(xfs_trans_t *trans, xfs_dabuf_t *bp, int index)
-{
-	xfs_dir_leafblock_t *leaf;
-	xfs_dir_leaf_hdr_t *hdr;
-	xfs_dir_leaf_map_t *map;
-	xfs_dir_leaf_entry_t *entry;
-	xfs_dir_leaf_name_t *namest;
-	int before, after, smallest, entsize;
-	int tablesize, tmp, i;
-	xfs_mount_t *mp;
-
-	leaf = bp->data;
-	ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
-	hdr = &leaf->hdr;
-	mp = trans->t_mountp;
-	ASSERT(hdr->count && (be16_to_cpu(hdr->count) < (XFS_LBSIZE(mp)/8)));
-	ASSERT((index >= 0) && (index < be16_to_cpu(hdr->count)));
-	ASSERT(be16_to_cpu(hdr->firstused) >=
-	       ((be16_to_cpu(hdr->count)*sizeof(*entry))+sizeof(*hdr)));
-	entry = &leaf->entries[index];
-	ASSERT(be16_to_cpu(entry->nameidx) >= be16_to_cpu(hdr->firstused));
-	ASSERT(be16_to_cpu(entry->nameidx) < XFS_LBSIZE(mp));
-
-	/*
-	 * Scan through free region table:
-	 *    check for adjacency of free'd entry with an existing one,
-	 *    find smallest free region in case we need to replace it,
-	 *    adjust any map that borders the entry table,
-	 */
-	tablesize = be16_to_cpu(hdr->count) * (uint)sizeof(xfs_dir_leaf_entry_t)
-			+ (uint)sizeof(xfs_dir_leaf_hdr_t);
-	map = &hdr->freemap[0];
-	tmp = be16_to_cpu(map->size);
-	before = after = -1;
-	smallest = XFS_DIR_LEAF_MAPSIZE - 1;
-	entsize = XFS_DIR_LEAF_ENTSIZE_BYENTRY(entry);
-	for (i = 0; i < XFS_DIR_LEAF_MAPSIZE; map++, i++) {
-		ASSERT(be16_to_cpu(map->base) < XFS_LBSIZE(mp));
-		ASSERT(be16_to_cpu(map->size) < XFS_LBSIZE(mp));
-		if (be16_to_cpu(map->base) == tablesize) {
-			int entry_size = sizeof(xfs_dir_leaf_entry_t);
-			be16_add(&map->base, -entry_size);
-			be16_add(&map->size, entry_size);
-		}
-
-		if ((be16_to_cpu(map->base) + be16_to_cpu(map->size)) ==
-				be16_to_cpu(entry->nameidx)) {
-			before = i;
-		} else if (be16_to_cpu(map->base) ==
-				(be16_to_cpu(entry->nameidx) + entsize)) {
-			after = i;
-		} else if (be16_to_cpu(map->size) < tmp) {
-			tmp = be16_to_cpu(map->size);
-			smallest = i;
-		}
-	}
-
-	/*
-	 * Coalesce adjacent freemap regions,
-	 * or replace the smallest region.
-	 */
-	if ((before >= 0) || (after >= 0)) {
-		if ((before >= 0) && (after >= 0)) {
-			map = &hdr->freemap[before];
-			be16_add(&map->size, entsize);
-			be16_add(&map->size, be16_to_cpu(hdr->freemap[after].size));
-			hdr->freemap[after].base = 0;
-			hdr->freemap[after].size = 0;
-		} else if (before >= 0) {
-			map = &hdr->freemap[before];
-			be16_add(&map->size, entsize);
-		} else {
-			map = &hdr->freemap[after];
-			map->base = entry->nameidx;
-			be16_add(&map->size, entsize);
-		}
-	} else {
-		/*
-		 * Replace smallest region (if it is smaller than free'd entry)
-		 */
-		map = &hdr->freemap[smallest];
-		if (be16_to_cpu(map->size) < entsize) {
-			map->base = entry->nameidx;
-			map->size = cpu_to_be16(entsize);
-		}
-	}
-
-	/*
-	 * Did we remove the first entry?
-	 */
-	if (be16_to_cpu(entry->nameidx) == be16_to_cpu(hdr->firstused))
-		smallest = 1;
-	else
-		smallest = 0;
-
-	/*
-	 * Compress the remaining entries and zero out the removed stuff.
-	 */
-	namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, be16_to_cpu(entry->nameidx));
-	memset((char *)namest, 0, entsize);
-	xfs_da_log_buf(trans, bp, XFS_DA_LOGRANGE(leaf, namest, entsize));
-
-	be16_add(&hdr->namebytes, -(entry->namelen));
-	tmp = (be16_to_cpu(hdr->count) - index) * (uint)sizeof(xfs_dir_leaf_entry_t);
-	memmove(entry, entry + 1, tmp);
-	be16_add(&hdr->count, -1);
-	xfs_da_log_buf(trans, bp,
-	    XFS_DA_LOGRANGE(leaf, entry, tmp + (uint)sizeof(*entry)));
-	entry = &leaf->entries[be16_to_cpu(hdr->count)];
-	memset((char *)entry, 0, sizeof(xfs_dir_leaf_entry_t));
-
-	/*
-	 * If we removed the first entry, re-find the first used byte
-	 * in the name area.  Note that if the entry was the "firstused",
-	 * then we don't have a "hole" in our block resulting from
-	 * removing the name.
-	 */
-	if (smallest) {
-		tmp = XFS_LBSIZE(mp);
-		entry = &leaf->entries[0];
-		for (i = be16_to_cpu(hdr->count)-1; i >= 0; entry++, i--) {
-			ASSERT(be16_to_cpu(entry->nameidx) >=
-			       be16_to_cpu(hdr->firstused));
-			ASSERT(be16_to_cpu(entry->nameidx) < XFS_LBSIZE(mp));
-			if (be16_to_cpu(entry->nameidx) < tmp)
-				tmp = be16_to_cpu(entry->nameidx);
-		}
-		hdr->firstused = cpu_to_be16(tmp);
-		if (!hdr->firstused)
-			hdr->firstused = cpu_to_be16(tmp - 1);
-	} else {
-		hdr->holes = 1;		/* mark as needing compaction */
-	}
-
-	xfs_da_log_buf(trans, bp, XFS_DA_LOGRANGE(leaf, hdr, sizeof(*hdr)));
-
-	/*
-	 * Check if leaf is less than 50% full, caller may want to
-	 * "join" the leaf with a sibling if so.
-	 */
-	tmp  = (uint)sizeof(xfs_dir_leaf_hdr_t);
-	tmp += be16_to_cpu(leaf->hdr.count) * (uint)sizeof(xfs_dir_leaf_entry_t);
-	tmp += be16_to_cpu(leaf->hdr.count) * ((uint)sizeof(xfs_dir_leaf_name_t) - 1);
-	tmp += be16_to_cpu(leaf->hdr.namebytes);
-	if (tmp < mp->m_dir_magicpct)
-		return 1;			/* leaf is < 37% full */
-	return 0;
-}
-
-/*
- * Move all the directory entries from drop_leaf into save_leaf.
- */
-void
-xfs_dir_leaf_unbalance(xfs_da_state_t *state, xfs_da_state_blk_t *drop_blk,
-				      xfs_da_state_blk_t *save_blk)
-{
-	xfs_dir_leafblock_t *drop_leaf, *save_leaf, *tmp_leaf;
-	xfs_dir_leaf_hdr_t *drop_hdr, *save_hdr, *tmp_hdr;
-	xfs_mount_t *mp;
-	char *tmpbuffer;
-
-	/*
-	 * Set up environment.
-	 */
-	mp = state->mp;
-	ASSERT(drop_blk->magic == XFS_DIR_LEAF_MAGIC);
-	ASSERT(save_blk->magic == XFS_DIR_LEAF_MAGIC);
-	drop_leaf = drop_blk->bp->data;
-	save_leaf = save_blk->bp->data;
-	ASSERT(be16_to_cpu(drop_leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
-	ASSERT(be16_to_cpu(save_leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
-	drop_hdr = &drop_leaf->hdr;
-	save_hdr = &save_leaf->hdr;
-
-	/*
-	 * Save last hashval from dying block for later Btree fixup.
-	 */
-	drop_blk->hashval = be32_to_cpu(drop_leaf->entries[
-			be16_to_cpu(drop_leaf->hdr.count)-1].hashval);
-
-	/*
-	 * Check if we need a temp buffer, or can we do it in place.
-	 * Note that we don't check "leaf" for holes because we will
-	 * always be dropping it, toosmall() decided that for us already.
-	 */
-	if (save_hdr->holes == 0) {
-		/*
-		 * dest leaf has no holes, so we add there.  May need
-		 * to make some room in the entry array.
-		 */
-		if (xfs_dir_leaf_order(save_blk->bp, drop_blk->bp)) {
-			xfs_dir_leaf_moveents(drop_leaf, 0, save_leaf, 0,
-					be16_to_cpu(drop_hdr->count), mp);
-		} else {
-			xfs_dir_leaf_moveents(drop_leaf, 0,
-					save_leaf, be16_to_cpu(save_hdr->count),
-					be16_to_cpu(drop_hdr->count), mp);
-		}
-	} else {
-		/*
-		 * Destination has holes, so we make a temporary copy
-		 * of the leaf and add them both to that.
-		 */
-		tmpbuffer = kmem_alloc(state->blocksize, KM_SLEEP);
-		ASSERT(tmpbuffer != NULL);
-		memset(tmpbuffer, 0, state->blocksize);
-		tmp_leaf = (xfs_dir_leafblock_t *)tmpbuffer;
-		tmp_hdr = &tmp_leaf->hdr;
-		tmp_hdr->info = save_hdr->info;	/* struct copy */
-		tmp_hdr->count = 0;
-		tmp_hdr->firstused = cpu_to_be16(state->blocksize);
-		if (!tmp_hdr->firstused)
-			tmp_hdr->firstused = cpu_to_be16(state->blocksize - 1);
-		tmp_hdr->namebytes = 0;
-		if (xfs_dir_leaf_order(save_blk->bp, drop_blk->bp)) {
-			xfs_dir_leaf_moveents(drop_leaf, 0, tmp_leaf, 0,
-					be16_to_cpu(drop_hdr->count), mp);
-			xfs_dir_leaf_moveents(save_leaf, 0,
-					tmp_leaf, be16_to_cpu(tmp_leaf->hdr.count),
-					be16_to_cpu(save_hdr->count), mp);
-		} else {
-			xfs_dir_leaf_moveents(save_leaf, 0, tmp_leaf, 0,
-						 be16_to_cpu(save_hdr->count), mp);
-			xfs_dir_leaf_moveents(drop_leaf, 0,
-					      tmp_leaf, be16_to_cpu(tmp_leaf->hdr.count),
-					      be16_to_cpu(drop_hdr->count), mp);
-		}
-		memcpy(save_leaf, tmp_leaf, state->blocksize);
-		kmem_free(tmpbuffer, state->blocksize);
-	}
-
-	xfs_da_log_buf(state->args->trans, save_blk->bp, 0,
-					   state->blocksize - 1);
-
-	/*
-	 * Copy out last hashval in each block for B-tree code.
-	 */
-	save_blk->hashval = be32_to_cpu(save_leaf->entries[
-			be16_to_cpu(save_leaf->hdr.count)-1].hashval);
-}
-
-/*========================================================================
- * Routines used for finding things in the Btree.
- *========================================================================*/
-
-/*
- * Look up a name in a leaf directory structure.
- * This is the internal routine, it uses the caller's buffer.
- *
- * Note that duplicate keys are allowed, but only check within the
- * current leaf node.  The Btree code must check in adjacent leaf nodes.
- *
- * Return in *index the index into the entry[] array of either the found
- * entry, or where the entry should have been (insert before that entry).
- *
- * Don't change the args->inumber unless we find the filename.
- */
-int
-xfs_dir_leaf_lookup_int(xfs_dabuf_t *bp, xfs_da_args_t *args, int *index)
-{
-	xfs_dir_leafblock_t *leaf;
-	xfs_dir_leaf_entry_t *entry;
-	xfs_dir_leaf_name_t *namest;
-	int probe, span;
-	xfs_dahash_t hashval;
-
-	leaf = bp->data;
-	ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
-	ASSERT(be16_to_cpu(leaf->hdr.count) < (XFS_LBSIZE(args->dp->i_mount)/8));
-
-	/*
-	 * Binary search.  (note: small blocks will skip this loop)
-	 */
-	hashval = args->hashval;
-	probe = span = be16_to_cpu(leaf->hdr.count) / 2;
-	for (entry = &leaf->entries[probe]; span > 4;
-		   entry = &leaf->entries[probe]) {
-		span /= 2;
-		if (be32_to_cpu(entry->hashval) < hashval)
-			probe += span;
-		else if (be32_to_cpu(entry->hashval) > hashval)
-			probe -= span;
-		else
-			break;
-	}
-	ASSERT((probe >= 0) && \
-	       ((!leaf->hdr.count) || (probe < be16_to_cpu(leaf->hdr.count))));
-	ASSERT((span <= 4) || (be32_to_cpu(entry->hashval) == hashval));
-
-	/*
-	 * Since we may have duplicate hashval's, find the first matching
-	 * hashval in the leaf.
-	 */
-	while ((probe > 0) && (be32_to_cpu(entry->hashval) >= hashval)) {
-		entry--;
-		probe--;
-	}
-	while ((probe < be16_to_cpu(leaf->hdr.count)) &&
-	       (be32_to_cpu(entry->hashval) < hashval)) {
-		entry++;
-		probe++;
-	}
-	if ((probe == be16_to_cpu(leaf->hdr.count)) ||
-	    (be32_to_cpu(entry->hashval) != hashval)) {
-		*index = probe;
-		ASSERT(args->oknoent);
-		return XFS_ERROR(ENOENT);
-	}
-
-	/*
-	 * Duplicate keys may be present, so search all of them for a match.
-	 */
-	while ((probe < be16_to_cpu(leaf->hdr.count)) &&
-	       (be32_to_cpu(entry->hashval) == hashval)) {
-		namest = XFS_DIR_LEAF_NAMESTRUCT(leaf, be16_to_cpu(entry->nameidx));
-		if (entry->namelen == args->namelen &&
-		    namest->name[0] == args->name[0] &&
-		    memcmp(args->name, namest->name, args->namelen) == 0) {
-			XFS_DIR_SF_GET_DIRINO(&namest->inumber, &args->inumber);
-			*index = probe;
-			return XFS_ERROR(EEXIST);
-		}
-		entry++;
-		probe++;
-	}
-	*index = probe;
-	ASSERT(probe == be16_to_cpu(leaf->hdr.count) || args->oknoent);
-	return XFS_ERROR(ENOENT);
-}
-
-/*========================================================================
- * Utility routines.
- *========================================================================*/
-
-/*
- * Move the indicated entries from one leaf to another.
- * NOTE: this routine modifies both source and destination leaves.
- */
-/* ARGSUSED */
-STATIC void
-xfs_dir_leaf_moveents(xfs_dir_leafblock_t *leaf_s, int start_s,
-		      xfs_dir_leafblock_t *leaf_d, int start_d,
-		      int count, xfs_mount_t *mp)
-{
-	xfs_dir_leaf_hdr_t *hdr_s, *hdr_d;
-	xfs_dir_leaf_entry_t *entry_s, *entry_d;
-	int tmp, i;
-
-	/*
-	 * Check for nothing to do.
-	 */
-	if (count == 0)
-		return;
-
-	/*
-	 * Set up environment.
-	 */
-	ASSERT(be16_to_cpu(leaf_s->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
-	ASSERT(be16_to_cpu(leaf_d->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
-	hdr_s = &leaf_s->hdr;
-	hdr_d = &leaf_d->hdr;
-	ASSERT(hdr_s->count && (be16_to_cpu(hdr_s->count) < (XFS_LBSIZE(mp)/8)));
-	ASSERT(be16_to_cpu(hdr_s->firstused) >=
-		((be16_to_cpu(hdr_s->count)*sizeof(*entry_s))+sizeof(*hdr_s)));
-	ASSERT(be16_to_cpu(hdr_d->count) < (XFS_LBSIZE(mp)/8));
-	ASSERT(be16_to_cpu(hdr_d->firstused) >=
-		((be16_to_cpu(hdr_d->count)*sizeof(*entry_d))+sizeof(*hdr_d)));
-
-	ASSERT(start_s < be16_to_cpu(hdr_s->count));
-	ASSERT(start_d <= be16_to_cpu(hdr_d->count));
-	ASSERT(count <= be16_to_cpu(hdr_s->count));
-
-	/*
-	 * Move the entries in the destination leaf up to make a hole?
-	 */
-	if (start_d < be16_to_cpu(hdr_d->count)) {
-		tmp  = be16_to_cpu(hdr_d->count) - start_d;
-		tmp *= (uint)sizeof(xfs_dir_leaf_entry_t);
-		entry_s = &leaf_d->entries[start_d];
-		entry_d = &leaf_d->entries[start_d + count];
-		memcpy(entry_d, entry_s, tmp);
-	}
-
-	/*
-	 * Copy all entry's in the same (sorted) order,
-	 * but allocate filenames packed and in sequence.
-	 */
-	entry_s = &leaf_s->entries[start_s];
-	entry_d = &leaf_d->entries[start_d];
-	for (i = 0; i < count; entry_s++, entry_d++, i++) {
-		ASSERT(be16_to_cpu(entry_s->nameidx) >=
-		       be16_to_cpu(hdr_s->firstused));
-		tmp = XFS_DIR_LEAF_ENTSIZE_BYENTRY(entry_s);
-		be16_add(&hdr_d->firstused, -(tmp));
-		entry_d->hashval = entry_s->hashval;
-		entry_d->nameidx = hdr_d->firstused;
-		entry_d->namelen = entry_s->namelen;
-		ASSERT(be16_to_cpu(entry_d->nameidx) + tmp <= XFS_LBSIZE(mp));
-		memcpy(XFS_DIR_LEAF_NAMESTRUCT(leaf_d, be16_to_cpu(entry_d->nameidx)),
-		       XFS_DIR_LEAF_NAMESTRUCT(leaf_s, be16_to_cpu(entry_s->nameidx)), tmp);
-		ASSERT(be16_to_cpu(entry_s->nameidx) + tmp <= XFS_LBSIZE(mp));
-		memset((char *)XFS_DIR_LEAF_NAMESTRUCT(leaf_s,
-					be16_to_cpu(entry_s->nameidx)), 0, tmp);
-		be16_add(&hdr_s->namebytes, -(entry_d->namelen));
-		be16_add(&hdr_d->namebytes, entry_d->namelen);
-		be16_add(&hdr_s->count, -1);
-		be16_add(&hdr_d->count, +1);
-		tmp = be16_to_cpu(hdr_d->count) * (uint)sizeof(xfs_dir_leaf_entry_t)
-				+ (uint)sizeof(xfs_dir_leaf_hdr_t);
-		ASSERT(be16_to_cpu(hdr_d->firstused) >= tmp);
-
-	}
-
-	/*
-	 * Zero out the entries we just copied.
-	 */
-	if (start_s == be16_to_cpu(hdr_s->count)) {
-		tmp = count * (uint)sizeof(xfs_dir_leaf_entry_t);
-		entry_s = &leaf_s->entries[start_s];
-		ASSERT((char *)entry_s + tmp <= (char *)leaf_s + XFS_LBSIZE(mp));
-		memset((char *)entry_s, 0, tmp);
-	} else {
-		/*
-		 * Move the remaining entries down to fill the hole,
-		 * then zero the entries at the top.
-		 */
-		tmp  = be16_to_cpu(hdr_s->count) - count;
-		tmp *= (uint)sizeof(xfs_dir_leaf_entry_t);
-		entry_s = &leaf_s->entries[start_s + count];
-		entry_d = &leaf_s->entries[start_s];
-		memcpy(entry_d, entry_s, tmp);
-
-		tmp = count * (uint)sizeof(xfs_dir_leaf_entry_t);
-		entry_s = &leaf_s->entries[be16_to_cpu(hdr_s->count)];
-		ASSERT((char *)entry_s + tmp <= (char *)leaf_s + XFS_LBSIZE(mp));
-		memset((char *)entry_s, 0, tmp);
-	}
-
-	/*
-	 * Fill in the freemap information
-	 */
-	hdr_d->freemap[0].base = cpu_to_be16(sizeof(xfs_dir_leaf_hdr_t) +
-			be16_to_cpu(hdr_d->count) * sizeof(xfs_dir_leaf_entry_t));
-	hdr_d->freemap[0].size = cpu_to_be16(be16_to_cpu(hdr_d->firstused) -
-			be16_to_cpu(hdr_d->freemap[0].base));
-	hdr_d->freemap[1].base = 0;
-	hdr_d->freemap[1].size = 0;
-	hdr_d->freemap[2].base = 0;
-	hdr_d->freemap[2].size = 0;
-	hdr_s->holes = 1;	/* leaf may not be compact */
-}
-
-/*
- * Compare two leaf blocks "order".
- */
-int
-xfs_dir_leaf_order(xfs_dabuf_t *leaf1_bp, xfs_dabuf_t *leaf2_bp)
-{
-	xfs_dir_leafblock_t *leaf1, *leaf2;
-
-	leaf1 = leaf1_bp->data;
-	leaf2 = leaf2_bp->data;
-	ASSERT((be16_to_cpu(leaf1->hdr.info.magic) == XFS_DIR_LEAF_MAGIC) &&
-	       (be16_to_cpu(leaf2->hdr.info.magic) == XFS_DIR_LEAF_MAGIC));
-	if (leaf1->hdr.count && leaf2->hdr.count &&
-	    ((be32_to_cpu(leaf2->entries[0].hashval) <
-	      be32_to_cpu(leaf1->entries[0 ].hashval)) ||
-	     (be32_to_cpu(leaf2->entries[
-			  be16_to_cpu(leaf2->hdr.count)-1].hashval) <
-	      be32_to_cpu(leaf1->entries[
-			  be16_to_cpu(leaf1->hdr.count)-1].hashval)))) {
-		return 1;
-	}
-	return 0;
-}
-
-/*
- * Pick up the last hashvalue from a leaf block.
- */
-xfs_dahash_t
-xfs_dir_leaf_lasthash(xfs_dabuf_t *bp, int *count)
-{
-	xfs_dir_leafblock_t *leaf;
-
-	leaf = bp->data;
-	ASSERT(be16_to_cpu(leaf->hdr.info.magic) == XFS_DIR_LEAF_MAGIC);
-	if (count)
-		*count = be16_to_cpu(leaf->hdr.count);
-	if (!leaf->hdr.count)
-		return(0);
-	return be32_to_cpu(leaf->entries[be16_to_cpu(leaf->hdr.count)-1].hashval);
-}
-
-/*
- * Copy out directory entries for getdents(), for leaf directories.
- */
-int
-xfs_dir_leaf_getdents_int(
-	xfs_dabuf_t	*bp,
-	xfs_inode_t	*dp,
-	xfs_dablk_t	bno,
-	uio_t		*uio,
-	int		*eobp,
-	xfs_dirent_t	*dbp,
-	xfs_dir_put_t	put,
-	xfs_daddr_t		nextda)
-{
-	xfs_dir_leafblock_t	*leaf;
-	xfs_dir_leaf_entry_t	*entry;
-	xfs_dir_leaf_name_t	*namest;
-	int			entno, want_entno, i, nextentno;
-	xfs_mount_t		*mp;
-	xfs_dahash_t		cookhash;
-	xfs_dahash_t		nexthash = 0;
-#if (BITS_PER_LONG == 32)
-	xfs_dahash_t		lasthash = XFS_DA_MAXHASH;
-#endif
-	xfs_dir_put_args_t	p;
-
-	mp = dp->i_mount;
-	leaf = bp->data;
-	if (be16_to_cpu(leaf->hdr.info.magic) != XFS_DIR_LEAF_MAGIC) {
-		*eobp = 1;
-		return XFS_ERROR(ENOENT);	/* XXX wrong code */
-	}
-
-	want_entno = XFS_DA_COOKIE_ENTRY(mp, uio->uio_offset);
-
-	cookhash = XFS_DA_COOKIE_HASH(mp, uio->uio_offset);
-
-	xfs_dir_trace_g_dul("leaf: start", dp, uio, leaf);
-
-	/*
-	 * Re-find our place.
-	 */
-	for (i = entno = 0, entry = &leaf->entries[0];
-		     i < be16_to_cpu(leaf->hdr.count); entry++, i++) {
-
-		namest = XFS_DIR_LEAF_NAMESTRUCT(leaf,
-				    be16_to_cpu(entry->nameidx));
-
-		if (unlikely(
-		    ((char *)namest < (char *)leaf) ||
-		    ((char *)namest >= (char *)leaf + XFS_LBSIZE(mp)))) {
-			XFS_CORRUPTION_ERROR("xfs_dir_leaf_getdents_int(1)",
-					     XFS_ERRLEVEL_LOW, mp, leaf);
-			xfs_dir_trace_g_du("leaf: corrupted", dp, uio);
-			return XFS_ERROR(EFSCORRUPTED);
-		}
-		if (be32_to_cpu(entry->hashval) >= cookhash) {
-			if (entno < want_entno &&
-			    be32_to_cpu(entry->hashval) == cookhash) {
-				/*
-				 * Trying to get to a particular offset in a
-				 * run of equal-hashval entries.
-				 */
-				entno++;
-			} else if (want_entno > 0 && entno == want_entno &&
-				   be32_to_cpu(entry->hashval) == cookhash) {
-				break;
-			} else {
-				entno = 0;
-				break;
-			}
-		}
-	}
-
-	if (i == be16_to_cpu(leaf->hdr.count)) {
-		xfs_dir_trace_g_du("leaf: hash not found", dp, uio);
-		if (!leaf->hdr.info.forw)
-			uio->uio_offset =
-				XFS_DA_MAKE_COOKIE(mp, 0, 0, XFS_DA_MAXHASH);
-		/*
-		 * Don't set uio_offset if there's another block:
-		 * the node code will be setting uio_offset anyway.
-		 */
-		*eobp = 0;
-		return 0;
-	}
-	xfs_dir_trace_g_due("leaf: hash found", dp, uio, entry);
-
-	p.dbp = dbp;
-	p.put = put;
-	p.uio = uio;
-
-	/*
-	 * We're synchronized, start copying entries out to the user.
-	 */
-	for (; entno >= 0 && i < be16_to_cpu(leaf->hdr.count);
-			     entry++, i++, (entno = nextentno)) {
-		int lastresid=0, retval;
-		xfs_dircook_t lastoffset;
-		xfs_dahash_t thishash;
-
-		/*
-		 * Check for a damaged directory leaf block and pick up
-		 * the inode number from this entry.
-		 */
-		namest = XFS_DIR_LEAF_NAMESTRUCT(leaf,
-				    be16_to_cpu(entry->nameidx));
-
-		if (unlikely(
-		    ((char *)namest < (char *)leaf) ||
-		    ((char *)namest >= (char *)leaf + XFS_LBSIZE(mp)))) {
-			XFS_CORRUPTION_ERROR("xfs_dir_leaf_getdents_int(2)",
-					     XFS_ERRLEVEL_LOW, mp, leaf);
-			xfs_dir_trace_g_du("leaf: corrupted", dp, uio);
-			return XFS_ERROR(EFSCORRUPTED);
-		}
-
-		xfs_dir_trace_g_duc("leaf: middle cookie  ",
-						   dp, uio, p.cook.o);
-
-		if (i < (be16_to_cpu(leaf->hdr.count) - 1)) {
-			nexthash = be32_to_cpu(entry[1].hashval);
-
-			if (nexthash == be32_to_cpu(entry->hashval))
-				nextentno = entno + 1;
-			else
-				nextentno = 0;
-			XFS_PUT_COOKIE(p.cook, mp, bno, nextentno, nexthash);
-			xfs_dir_trace_g_duc("leaf: middle cookie  ",
-						   dp, uio, p.cook.o);
-
-		} else if ((thishash = be32_to_cpu(leaf->hdr.info.forw))) {
-			xfs_dabuf_t *bp2;
-			xfs_dir_leafblock_t *leaf2;
-
-			ASSERT(nextda != -1);
-
-			retval = xfs_da_read_buf(dp->i_transp, dp, thishash,
-						 nextda, &bp2, XFS_DATA_FORK);
-			if (retval)
-				return retval;
-
-			ASSERT(bp2 != NULL);
-
-			leaf2 = bp2->data;
-
-			if (unlikely(
-			       (be16_to_cpu(leaf2->hdr.info.magic)
-						!= XFS_DIR_LEAF_MAGIC)
-			    || (be32_to_cpu(leaf2->hdr.info.back)
-						!= bno))) {	/* GROT */
-				XFS_CORRUPTION_ERROR("xfs_dir_leaf_getdents_int(3)",
-						     XFS_ERRLEVEL_LOW, mp,
-						     leaf2);
-				xfs_da_brelse(dp->i_transp, bp2);
-
-				return XFS_ERROR(EFSCORRUPTED);
-			}
-
-			nexthash = be32_to_cpu(leaf2->entries[0].hashval);
-			nextentno = -1;
-			XFS_PUT_COOKIE(p.cook, mp, thishash, 0, nexthash);
-			xfs_da_brelse(dp->i_transp, bp2);
-			xfs_dir_trace_g_duc("leaf: next blk cookie",
-						   dp, uio, p.cook.o);
-		} else {
-			nextentno = -1;
-			XFS_PUT_COOKIE(p.cook, mp, 0, 0, XFS_DA_MAXHASH);
-		}
-
-		/*
-		 * Save off the cookie so we can fall back should the
-		 * 'put' into the outgoing buffer fails.  To handle a run
-		 * of equal-hashvals, the off_t structure on 64bit
-		 * builds has entno built into the cookie to ID the
-		 * entry.  On 32bit builds, we only have space for the
-		 * hashval so we can't ID specific entries within a group
-		 * of same hashval entries.   For this, lastoffset is set
-		 * to the first in the run of equal hashvals so we don't
-		 * include any entries unless we can include all entries
-		 * that share the same hashval.  Hopefully the buffer
-		 * provided is big enough to handle it (see pv763517).
-		 */
-		thishash = be32_to_cpu(entry->hashval);
-#if (BITS_PER_LONG == 32)
-		if (thishash != lasthash) {
-			XFS_PUT_COOKIE(lastoffset, mp, bno, entno, thishash);
-			lastresid = uio->uio_resid;
-			lasthash = thishash;
-		} else {
-			xfs_dir_trace_g_duc("leaf: DUP COOKIES, skipped",
-						   dp, uio, p.cook.o);
-		}
-#else
-		XFS_PUT_COOKIE(lastoffset, mp, bno, entno, thishash);
-		lastresid = uio->uio_resid;
-#endif /* BITS_PER_LONG == 32 */
-
-		/*
-		 * Put the current entry into the outgoing buffer.  If we fail
-		 * then restore the UIO to the first entry in the current
-		 * run of equal-hashval entries (probably one 1 entry long).
-		 */
-		p.ino = XFS_GET_DIR_INO8(namest->inumber);
-#if XFS_BIG_INUMS
-		p.ino += mp->m_inoadd;
-#endif
-		p.name = (char *)namest->name;
-		p.namelen = entry->namelen;
-
-		retval = p.put(&p);
-
-		if (!p.done) {
-			uio->uio_offset = lastoffset.o;
-			uio->uio_resid = lastresid;
-
-			*eobp = 1;
-
-			xfs_dir_trace_g_du("leaf: E-O-B", dp, uio);
-
-			return retval;
-		}
-	}
-
-	uio->uio_offset = p.cook.o;
-
-	*eobp = 0;
-
-	xfs_dir_trace_g_du("leaf: E-O-F", dp, uio);
-
-	return 0;
-}
-
-/*
- * Format a dirent64 structure and copy it out the the user's buffer.
- */
-int
-xfs_dir_put_dirent64_direct(xfs_dir_put_args_t *pa)
-{
-	iovec_t *iovp;
-	int reclen, namelen;
-	xfs_dirent_t *idbp;
-	uio_t *uio;
-
-	namelen = pa->namelen;
-	reclen = DIRENTSIZE(namelen);
-	uio = pa->uio;
-	if (reclen > uio->uio_resid) {
-		pa->done = 0;
-		return 0;
-	}
-	iovp = uio->uio_iov;
-	idbp = (xfs_dirent_t *)iovp->iov_base;
-	iovp->iov_base = (char *)idbp + reclen;
-	iovp->iov_len -= reclen;
-	uio->uio_resid -= reclen;
-	idbp->d_reclen = reclen;
-	idbp->d_ino = pa->ino;
-	idbp->d_off = pa->cook.o;
-	idbp->d_name[namelen] = '\0';
-	pa->done = 1;
-	memcpy(idbp->d_name, pa->name, namelen);
-	return 0;
-}
-
-/*
- * Format a dirent64 structure and copy it out the the user's buffer.
- */
-int
-xfs_dir_put_dirent64_uio(xfs_dir_put_args_t *pa)
-{
-	int		retval, reclen, namelen;
-	xfs_dirent_t	*idbp;
-	uio_t		*uio;
-
-	namelen = pa->namelen;
-	reclen = DIRENTSIZE(namelen);
-	uio = pa->uio;
-	if (reclen > uio->uio_resid) {
-		pa->done = 0;
-		return 0;
-	}
-	idbp = pa->dbp;
-	idbp->d_reclen = reclen;
-	idbp->d_ino = pa->ino;
-	idbp->d_off = pa->cook.o;
-	idbp->d_name[namelen] = '\0';
-	memcpy(idbp->d_name, pa->name, namelen);
-	retval = uio_read((caddr_t)idbp, reclen, uio);
-	pa->done = (retval == 0);
-	return retval;
-}
diff --git a/fs/xfs/xfs_dir_leaf.h b/fs/xfs/xfs_dir_leaf.h
index 7ca5845..e69de29 100644
--- a/fs/xfs/xfs_dir_leaf.h
+++ b/fs/xfs/xfs_dir_leaf.h
@@ -1,231 +0,0 @@
-/*
- * Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-#ifndef __XFS_DIR_LEAF_H__
-#define	__XFS_DIR_LEAF_H__
-
-/*
- * Directory layout, internal structure, access macros, etc.
- *
- * Large directories are structured around Btrees where all the data
- * elements are in the leaf nodes.  Filenames are hashed into an int,
- * then that int is used as the index into the Btree.  Since the hashval
- * of a filename may not be unique, we may have duplicate keys.  The
- * internal links in the Btree are logical block offsets into the file.
- */
-
-struct uio;
-struct xfs_bmap_free;
-struct xfs_dabuf;
-struct xfs_da_args;
-struct xfs_da_state;
-struct xfs_da_state_blk;
-struct xfs_dir_put_args;
-struct xfs_inode;
-struct xfs_mount;
-struct xfs_trans;
-
-/*========================================================================
- * Directory Structure when equal to XFS_LBSIZE(mp) bytes.
- *========================================================================*/
-
-/*
- * This is the structure of the leaf nodes in the Btree.
- *
- * Struct leaf_entry's are packed from the top.  Names grow from the bottom
- * but are not packed.  The freemap contains run-length-encoded entries
- * for the free bytes after the leaf_entry's, but only the N largest such,
- * smaller runs are dropped.  When the freemap doesn't show enough space
- * for an allocation, we compact the namelist area and try again.  If we
- * still don't have enough space, then we have to split the block.
- *
- * Since we have duplicate hash keys, for each key that matches, compare
- * the actual string.  The root and intermediate node search always takes
- * the first-in-the-block key match found, so we should only have to work
- * "forw"ard.  If none matches, continue with the "forw"ard leaf nodes
- * until the hash key changes or the filename is found.
- *
- * The parent directory and the self-pointer are explicitly represented
- * (ie: there are entries for "." and "..").
- *
- * Note that the count being a __uint16_t limits us to something like a
- * blocksize of 1.3MB in the face of worst case (short) filenames.
- */
-#define XFS_DIR_LEAF_MAPSIZE	3	/* how many freespace slots */
-
-typedef struct xfs_dir_leaf_map {	/* RLE map of free bytes */
-	__be16		base;	 	/* base of free region */
-	__be16		size; 		/* run length of free region */
-} xfs_dir_leaf_map_t;
-
-typedef struct xfs_dir_leaf_hdr {	/* constant-structure header block */
-	xfs_da_blkinfo_t info;		/* block type, links, etc. */
-	__be16		count;		/* count of active leaf_entry's */
-	__be16		namebytes;	/* num bytes of name strings stored */
-	__be16		firstused;	/* first used byte in name area */
-	__u8		holes;		/* != 0 if blk needs compaction */
-	__u8		pad1;
-	xfs_dir_leaf_map_t freemap[XFS_DIR_LEAF_MAPSIZE];
-} xfs_dir_leaf_hdr_t;
-
-typedef struct xfs_dir_leaf_entry {	/* sorted on key, not name */
-	__be32		hashval;	/* hash value of name */
-	__be16		nameidx;	/* index into buffer of name */
-	__u8		namelen;	/* length of name string */
-	__u8		pad2;
-} xfs_dir_leaf_entry_t;
-
-typedef struct xfs_dir_leaf_name {
-	xfs_dir_ino_t	inumber;	/* inode number for this key */
-	__uint8_t	name[1];	/* name string itself */
-} xfs_dir_leaf_name_t;
-
-typedef struct xfs_dir_leafblock {
-	xfs_dir_leaf_hdr_t	hdr;	/* constant-structure header block */
-	xfs_dir_leaf_entry_t	entries[1];	/* var sized array */
-	xfs_dir_leaf_name_t	namelist[1];	/* grows from bottom of buf */
-} xfs_dir_leafblock_t;
-
-/*
- * Length of name for which a 512-byte block filesystem
- * can get a double split.
- */
-#define	XFS_DIR_LEAF_CAN_DOUBLE_SPLIT_LEN	\
-	(512 - (uint)sizeof(xfs_dir_leaf_hdr_t) - \
-	 (uint)sizeof(xfs_dir_leaf_entry_t) * 2 - \
-	 (uint)sizeof(xfs_dir_leaf_name_t) * 2 - (MAXNAMELEN - 2) + 1 + 1)
-
-typedef int (*xfs_dir_put_t)(struct xfs_dir_put_args *pa);
-
-typedef union {
-	xfs_off_t		o;		/* offset (cookie) */
-	/*
-	 * Watch the order here (endian-ness dependent).
-	 */
-	struct {
-#ifndef XFS_NATIVE_HOST
-		xfs_dahash_t	h;	/* hash value */
-		__uint32_t	be;	/* block and entry */
-#else
-		__uint32_t	be;	/* block and entry */
-		xfs_dahash_t	h;	/* hash value */
-#endif /* XFS_NATIVE_HOST */
-	} s;
-} xfs_dircook_t;
-
-#define	XFS_PUT_COOKIE(c,mp,bno,entry,hash)	\
-	((c).s.be = XFS_DA_MAKE_BNOENTRY(mp, bno, entry), (c).s.h = (hash))
-
-typedef struct xfs_dir_put_args {
-	xfs_dircook_t	cook;		/* cookie of (next) entry */
-	xfs_intino_t	ino;		/* inode number */
-	struct xfs_dirent *dbp;		/* buffer pointer */
-	char		*name;		/* directory entry name */
-	int		namelen;	/* length of name */
-	int		done;		/* output: set if value was stored */
-	xfs_dir_put_t	put;		/* put function ptr (i/o) */
-	struct uio	*uio;		/* uio control structure */
-} xfs_dir_put_args_t;
-
-#define XFS_DIR_LEAF_ENTSIZE_BYNAME(len)	\
-	xfs_dir_leaf_entsize_byname(len)
-static inline int xfs_dir_leaf_entsize_byname(int len)
-{
-	return (uint)sizeof(xfs_dir_leaf_name_t)-1 + len;
-}
-
-#define XFS_DIR_LEAF_ENTSIZE_BYENTRY(entry)	\
-	xfs_dir_leaf_entsize_byentry(entry)
-static inline int xfs_dir_leaf_entsize_byentry(xfs_dir_leaf_entry_t *entry)
-{
-	return (uint)sizeof(xfs_dir_leaf_name_t)-1 + (entry)->namelen;
-}
-
-#define XFS_DIR_LEAF_NAMESTRUCT(leafp,offset)	\
-	xfs_dir_leaf_namestruct(leafp,offset)
-static inline xfs_dir_leaf_name_t *
-xfs_dir_leaf_namestruct(xfs_dir_leafblock_t *leafp, int offset)
-{
-	return (xfs_dir_leaf_name_t *)&((char *)(leafp))[offset];
-}
-
-/*========================================================================
- * Function prototypes for the kernel.
- *========================================================================*/
-
-/*
- * Internal routines when dirsize < XFS_LITINO(mp).
- */
-int xfs_dir_shortform_create(struct xfs_da_args *args, xfs_ino_t parent);
-int xfs_dir_shortform_addname(struct xfs_da_args *args);
-int xfs_dir_shortform_lookup(struct xfs_da_args *args);
-int xfs_dir_shortform_to_leaf(struct xfs_da_args *args);
-int xfs_dir_shortform_removename(struct xfs_da_args *args);
-int xfs_dir_shortform_getdents(struct xfs_inode *dp, struct uio *uio, int *eofp,
-			       struct xfs_dirent *dbp, xfs_dir_put_t put);
-int xfs_dir_shortform_replace(struct xfs_da_args *args);
-
-/*
- * Internal routines when dirsize == XFS_LBSIZE(mp).
- */
-int xfs_dir_leaf_to_node(struct xfs_da_args *args);
-int xfs_dir_leaf_to_shortform(struct xfs_da_args *args);
-
-/*
- * Routines used for growing the Btree.
- */
-int	xfs_dir_leaf_split(struct xfs_da_state *state,
-				  struct xfs_da_state_blk *oldblk,
-				  struct xfs_da_state_blk *newblk);
-int	xfs_dir_leaf_add(struct xfs_dabuf *leaf_buffer,
-				struct xfs_da_args *args, int insertion_index);
-int	xfs_dir_leaf_addname(struct xfs_da_args *args);
-int	xfs_dir_leaf_lookup_int(struct xfs_dabuf *leaf_buffer,
-				       struct xfs_da_args *args,
-				       int *index_found_at);
-int	xfs_dir_leaf_remove(struct xfs_trans *trans,
-				   struct xfs_dabuf *leaf_buffer,
-				   int index_to_remove);
-int	xfs_dir_leaf_getdents_int(struct xfs_dabuf *bp, struct xfs_inode *dp,
-					 xfs_dablk_t bno, struct uio *uio,
-					 int *eobp, struct xfs_dirent *dbp,
-					 xfs_dir_put_t put, xfs_daddr_t nextda);
-
-/*
- * Routines used for shrinking the Btree.
- */
-int	xfs_dir_leaf_toosmall(struct xfs_da_state *state, int *retval);
-void	xfs_dir_leaf_unbalance(struct xfs_da_state *state,
-					     struct xfs_da_state_blk *drop_blk,
-					     struct xfs_da_state_blk *save_blk);
-
-/*
- * Utility routines.
- */
-uint	xfs_dir_leaf_lasthash(struct xfs_dabuf *bp, int *count);
-int	xfs_dir_leaf_order(struct xfs_dabuf *leaf1_bp,
-				  struct xfs_dabuf *leaf2_bp);
-int	xfs_dir_put_dirent64_direct(xfs_dir_put_args_t *pa);
-int	xfs_dir_put_dirent64_uio(xfs_dir_put_args_t *pa);
-int	xfs_dir_ino_validate(struct xfs_mount *mp, xfs_ino_t ino);
-
-/*
- * Global data.
- */
-extern xfs_dahash_t	xfs_dir_hash_dot, xfs_dir_hash_dotdot;
-
-#endif /* __XFS_DIR_LEAF_H__ */
diff --git a/fs/xfs/xfs_dir_sf.h b/fs/xfs/xfs_dir_sf.h
index 5b20b4d..e69de29 100644
--- a/fs/xfs/xfs_dir_sf.h
+++ b/fs/xfs/xfs_dir_sf.h
@@ -1,155 +0,0 @@
-/*
- * Copyright (c) 2000,2005 Silicon Graphics, Inc.
- * All Rights Reserved.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it would be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write the Free Software Foundation,
- * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
- */
-#ifndef __XFS_DIR_SF_H__
-#define	__XFS_DIR_SF_H__
-
-/*
- * Directory layout when stored internal to an inode.
- *
- * Small directories are packed as tightly as possible so as to
- * fit into the literal area of the inode.
- */
-
-typedef struct { __uint8_t i[sizeof(xfs_ino_t)]; } xfs_dir_ino_t;
-
-/*
- * The parent directory has a dedicated field, and the self-pointer must
- * be calculated on the fly.
- *
- * Entries are packed toward the top as tight as possible.  The header
- * and the elements much be memcpy'd out into a work area to get correct
- * alignment for the inode number fields.
- */
-typedef struct xfs_dir_sf_hdr {		/* constant-structure header block */
-	xfs_dir_ino_t	parent;		/* parent dir inode number */
-	__uint8_t	count;		/* count of active entries */
-} xfs_dir_sf_hdr_t;
-
-typedef struct xfs_dir_sf_entry {
-	xfs_dir_ino_t	inumber;	/* referenced inode number */
-	__uint8_t	namelen;	/* actual length of name (no NULL) */
-	__uint8_t	name[1];	/* name */
-} xfs_dir_sf_entry_t;
-
-typedef struct xfs_dir_shortform {
-	xfs_dir_sf_hdr_t	hdr;
-	xfs_dir_sf_entry_t	list[1];	/* variable sized array */
-} xfs_dir_shortform_t;
-
-/*
- * We generate this then sort it, so that readdirs are returned in
- * hash-order.  Else seekdir won't work.
- */
-typedef struct xfs_dir_sf_sort {
-	__uint8_t	entno;		/* .=0, ..=1, else entry# + 2 */
-	__uint8_t	seqno;		/* sequence # with same hash value */
-	__uint8_t	namelen;	/* length of name value (no null) */
-	xfs_dahash_t	hash;		/* this entry's hash value */
-	xfs_intino_t	ino;		/* this entry's inode number */
-	char		*name;		/* name value, pointer into buffer */
-} xfs_dir_sf_sort_t;
-
-#define	XFS_DIR_SF_GET_DIRINO(from,to)	xfs_dir_sf_get_dirino(from, to)
-static inline void xfs_dir_sf_get_dirino(xfs_dir_ino_t *from, xfs_ino_t *to)
-{
-	*(to) = XFS_GET_DIR_INO8(*from);
-}
-
-#define	XFS_DIR_SF_PUT_DIRINO(from,to)	xfs_dir_sf_put_dirino(from, to)
-static inline void xfs_dir_sf_put_dirino(xfs_ino_t *from, xfs_dir_ino_t *to)
-{
-	XFS_PUT_DIR_INO8(*(from), *(to));
-}
-
-#define XFS_DIR_SF_ENTSIZE_BYNAME(len)	xfs_dir_sf_entsize_byname(len)
-static inline int xfs_dir_sf_entsize_byname(int len)
-{
-	return (uint)sizeof(xfs_dir_sf_entry_t)-1 + (len);
-}
-
-#define XFS_DIR_SF_ENTSIZE_BYENTRY(sfep)	xfs_dir_sf_entsize_byentry(sfep)
-static inline int xfs_dir_sf_entsize_byentry(xfs_dir_sf_entry_t *sfep)
-{
-	return (uint)sizeof(xfs_dir_sf_entry_t)-1 + (sfep)->namelen;
-}
-
-#define XFS_DIR_SF_NEXTENTRY(sfep)		xfs_dir_sf_nextentry(sfep)
-static inline xfs_dir_sf_entry_t *xfs_dir_sf_nextentry(xfs_dir_sf_entry_t *sfep)
-{
-	return (xfs_dir_sf_entry_t *) \
-		((char *)(sfep) + XFS_DIR_SF_ENTSIZE_BYENTRY(sfep));
-}
-
-#define XFS_DIR_SF_ALLFIT(count,totallen)	\
-	xfs_dir_sf_allfit(count,totallen)
-static inline int xfs_dir_sf_allfit(int count, int totallen)
-{
-	return ((uint)sizeof(xfs_dir_sf_hdr_t) + \
-	       ((uint)sizeof(xfs_dir_sf_entry_t)-1)*(count) + (totallen));
-}
-
-#if defined(XFS_DIR_TRACE)
-
-/*
- * Kernel tracing support for directories.
- */
-struct uio;
-struct xfs_inode;
-struct xfs_da_intnode;
-struct xfs_dinode;
-struct xfs_dir_leafblock;
-struct xfs_dir_leaf_entry;
-
-#define	XFS_DIR_TRACE_SIZE	4096	/* size of global trace buffer */
-extern ktrace_t	*xfs_dir_trace_buf;
-
-/*
- * Trace record types.
- */
-#define	XFS_DIR_KTRACE_G_DU	1	/* dp, uio */
-#define	XFS_DIR_KTRACE_G_DUB	2	/* dp, uio, bno */
-#define	XFS_DIR_KTRACE_G_DUN	3	/* dp, uio, node */
-#define	XFS_DIR_KTRACE_G_DUL	4	/* dp, uio, leaf */
-#define	XFS_DIR_KTRACE_G_DUE	5	/* dp, uio, leaf entry */
-#define	XFS_DIR_KTRACE_G_DUC	6	/* dp, uio, cookie */
-
-void xfs_dir_trace_g_du(char *where, struct xfs_inode *dp, struct uio *uio);
-void xfs_dir_trace_g_dub(char *where, struct xfs_inode *dp, struct uio *uio,
-			      xfs_dablk_t bno);
-void xfs_dir_trace_g_dun(char *where, struct xfs_inode *dp, struct uio *uio,
-			      struct xfs_da_intnode *node);
-void xfs_dir_trace_g_dul(char *where, struct xfs_inode *dp, struct uio *uio,
-			      struct xfs_dir_leafblock *leaf);
-void xfs_dir_trace_g_due(char *where, struct xfs_inode *dp, struct uio *uio,
-			      struct xfs_dir_leaf_entry *entry);
-void xfs_dir_trace_g_duc(char *where, struct xfs_inode *dp, struct uio *uio,
-			      xfs_off_t cookie);
-void xfs_dir_trace_enter(int type, char *where,
-			     void *a0, void *a1, void *a2, void *a3,
-			     void *a4, void *a5, void *a6, void *a7,
-			     void *a8, void *a9, void *a10, void *a11);
-#else
-#define	xfs_dir_trace_g_du(w,d,u)
-#define	xfs_dir_trace_g_dub(w,d,u,b)
-#define	xfs_dir_trace_g_dun(w,d,u,n)
-#define	xfs_dir_trace_g_dul(w,d,u,l)
-#define	xfs_dir_trace_g_due(w,d,u,e)
-#define	xfs_dir_trace_g_duc(w,d,u,c)
-#endif /* DEBUG */
-
-#endif	/* __XFS_DIR_SF_H__ */
diff --git a/fs/xfs/xfs_dmops.c b/fs/xfs/xfs_dmops.c
index 629795b..1e4a35d 100644
--- a/fs/xfs/xfs_dmops.c
+++ b/fs/xfs/xfs_dmops.c
@@ -23,7 +23,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
diff --git a/fs/xfs/xfs_error.c b/fs/xfs/xfs_error.c
index 2a21c50..b95681b 100644
--- a/fs/xfs/xfs_error.c
+++ b/fs/xfs/xfs_error.c
@@ -22,12 +22,10 @@
 #include "xfs_inum.h"
 #include "xfs_trans.h"
 #include "xfs_sb.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_extfree_item.c b/fs/xfs/xfs_extfree_item.c
index 8b028f1..6cf6d87 100644
--- a/fs/xfs/xfs_extfree_item.c
+++ b/fs/xfs/xfs_extfree_item.c
@@ -23,7 +23,6 @@
 #include "xfs_trans.h"
 #include "xfs_buf_item.h"
 #include "xfs_sb.h"
-#include "xfs_dir.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_trans_priv.h"
diff --git a/fs/xfs/xfs_fsops.c b/fs/xfs/xfs_fsops.c
index 650d35f..077629b 100644
--- a/fs/xfs/xfs_fsops.c
+++ b/fs/xfs/xfs_fsops.c
@@ -24,14 +24,12 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_ialloc.c b/fs/xfs/xfs_ialloc.c
index 7e5ccfe..33164a8 100644
--- a/fs/xfs/xfs_ialloc.c
+++ b/fs/xfs/xfs_ialloc.c
@@ -24,14 +24,12 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_ialloc_btree.c b/fs/xfs/xfs_ialloc_btree.c
index 60c65683..616eeeb 100644
--- a/fs/xfs/xfs_ialloc_btree.c
+++ b/fs/xfs/xfs_ialloc_btree.c
@@ -24,14 +24,12 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_iget.c b/fs/xfs/xfs_iget.c
index 7894b72..0724df7 100644
--- a/fs/xfs/xfs_iget.c
+++ b/fs/xfs/xfs_iget.c
@@ -24,14 +24,12 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_inode.c b/fs/xfs/xfs_inode.c
index e799f0d..5fa0adb 100644
--- a/fs/xfs/xfs_inode.c
+++ b/fs/xfs/xfs_inode.c
@@ -26,14 +26,12 @@
 #include "xfs_trans_priv.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
@@ -2925,13 +2923,6 @@
 			ASSERT(ifp->if_bytes <= XFS_IFORK_SIZE(ip, whichfork));
 			memcpy(cp, ifp->if_u1.if_data, ifp->if_bytes);
 		}
-		if (whichfork == XFS_DATA_FORK) {
-			if (unlikely(XFS_DIR_SHORTFORM_VALIDATE_ONDISK(mp, dip))) {
-				XFS_ERROR_REPORT("xfs_iflush_fork",
-						 XFS_ERRLEVEL_LOW, mp);
-				return XFS_ERROR(EFSCORRUPTED);
-			}
-		}
 		break;
 
 	case XFS_DINODE_FMT_EXTENTS:
diff --git a/fs/xfs/xfs_inode_item.c b/fs/xfs/xfs_inode_item.c
index 2caa91b..f8e80d8 100644
--- a/fs/xfs/xfs_inode_item.c
+++ b/fs/xfs/xfs_inode_item.c
@@ -25,7 +25,6 @@
 #include "xfs_buf_item.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
@@ -33,7 +32,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_iocore.c b/fs/xfs/xfs_iocore.c
index 89441e6..06d710c 100644
--- a/fs/xfs/xfs_iocore.c
+++ b/fs/xfs/xfs_iocore.c
@@ -24,7 +24,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dfrag.h"
 #include "xfs_dmapi.h"
@@ -32,7 +31,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_iomap.c b/fs/xfs/xfs_iomap.c
index d790552..f1949c1 100644
--- a/fs/xfs/xfs_iomap.c
+++ b/fs/xfs/xfs_iomap.c
@@ -23,7 +23,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_alloc.h"
 #include "xfs_dmapi.h"
@@ -32,7 +31,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_itable.c b/fs/xfs/xfs_itable.c
index a0182ce..46249e4 100644
--- a/fs/xfs/xfs_itable.c
+++ b/fs/xfs/xfs_itable.c
@@ -24,14 +24,12 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_log.c b/fs/xfs/xfs_log.c
index 95d679c..d8f5d4c 100644
--- a/fs/xfs/xfs_log.c
+++ b/fs/xfs/xfs_log.c
@@ -24,7 +24,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
@@ -36,7 +35,6 @@
 #include "xfs_ialloc_btree.h"
 #include "xfs_log_recover.h"
 #include "xfs_trans_priv.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_log_recover.c b/fs/xfs/xfs_log_recover.c
index f952f9d..55b4237 100644
--- a/fs/xfs/xfs_log_recover.c
+++ b/fs/xfs/xfs_log_recover.c
@@ -24,7 +24,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
@@ -32,7 +31,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_mount.c b/fs/xfs/xfs_mount.c
index 5ce6416..10dbf20 100644
--- a/fs/xfs/xfs_mount.c
+++ b/fs/xfs/xfs_mount.c
@@ -24,14 +24,12 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
@@ -934,18 +932,7 @@
 	vfsp->vfs_altfsid = (xfs_fsid_t *)mp->m_fixedfsid;
 	mp->m_dmevmask = 0;	/* not persistent; set after each mount */
 
-	/*
-	 * Select the right directory manager.
-	 */
-	mp->m_dirops =
-		XFS_SB_VERSION_HASDIRV2(&mp->m_sb) ?
-			xfsv2_dirops :
-			xfsv1_dirops;
-
-	/*
-	 * Initialize directory manager's entries.
-	 */
-	XFS_DIR_MOUNT(mp);
+	xfs_dir_mount(mp);
 
 	/*
 	 * Initialize the attribute manager's entries.
diff --git a/fs/xfs/xfs_mount.h b/fs/xfs/xfs_mount.h
index 761f42f..b2bd4be 100644
--- a/fs/xfs/xfs_mount.h
+++ b/fs/xfs/xfs_mount.h
@@ -403,8 +403,6 @@
 	__uint8_t		m_inode_quiesce;/* call quiesce on new inodes.
 						   field governed by m_ilock */
 	__uint8_t		m_sectbb_log;	/* sectlog - BBSHIFT */
-	__uint8_t		m_dirversion;	/* 1 or 2 */
-	xfs_dirops_t		m_dirops;	/* table of dir funcs */
 	int			m_dirblksize;	/* directory block sz--bytes */
 	int			m_dirblkfsbs;	/* directory block sz--fsbs */
 	xfs_dablk_t		m_dirdatablk;	/* blockno of dir data v2 */
diff --git a/fs/xfs/xfs_qmops.c b/fs/xfs/xfs_qmops.c
index 1408a32..320d63f 100644
--- a/fs/xfs/xfs_qmops.c
+++ b/fs/xfs/xfs_qmops.c
@@ -23,7 +23,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
diff --git a/fs/xfs/xfs_rename.c b/fs/xfs/xfs_rename.c
index 7d5f9b6..d98171d 100644
--- a/fs/xfs/xfs_rename.c
+++ b/fs/xfs/xfs_rename.c
@@ -22,13 +22,11 @@
 #include "xfs_inum.h"
 #include "xfs_trans.h"
 #include "xfs_sb.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_da_btree.h"
 #include "xfs_bmap_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
@@ -40,7 +38,6 @@
 #include "xfs_refcache.h"
 #include "xfs_utils.h"
 #include "xfs_trans_space.h"
-#include "xfs_dir_leaf.h"
 
 
 /*
@@ -398,34 +395,29 @@
 		 * fit before actually inserting it.
 		 */
 		if (spaceres == 0 &&
-		    (error = XFS_DIR_CANENTER(mp, tp, target_dp, target_name,
-				target_namelen))) {
+		    (error = xfs_dir_canenter(tp, target_dp, target_name,
+						target_namelen)))
 			goto error_return;
-		}
 		/*
 		 * If target does not exist and the rename crosses
 		 * directories, adjust the target directory link count
 		 * to account for the ".." reference from the new entry.
 		 */
-		error = XFS_DIR_CREATENAME(mp, tp, target_dp, target_name,
+		error = xfs_dir_createname(tp, target_dp, target_name,
 					   target_namelen, src_ip->i_ino,
 					   &first_block, &free_list, spaceres);
-		if (error == ENOSPC) {
+		if (error == ENOSPC)
 			goto error_return;
-		}
-		if (error) {
+		if (error)
 			goto abort_return;
-		}
 		xfs_ichgtime(target_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
 
 		if (new_parent && src_is_directory) {
 			error = xfs_bumplink(tp, target_dp);
-			if (error) {
+			if (error)
 				goto abort_return;
-			}
 		}
 	} else { /* target_ip != NULL */
-
 		/*
 		 * If target exists and it's a directory, check that both
 		 * target and source are directories and that target can be
@@ -435,7 +427,7 @@
 			/*
 			 * Make sure target dir is empty.
 			 */
-			if (!(XFS_DIR_ISEMPTY(target_ip->i_mount, target_ip)) ||
+			if (!(xfs_dir_isempty(target_ip)) ||
 			    (target_ip->i_d.di_nlink > 2)) {
 				error = XFS_ERROR(EEXIST);
 				goto error_return;
@@ -451,12 +443,11 @@
 		 * In case there is already an entry with the same
 		 * name at the destination directory, remove it first.
 		 */
-		error = XFS_DIR_REPLACE(mp, tp, target_dp, target_name,
-			target_namelen, src_ip->i_ino, &first_block,
-			&free_list, spaceres);
-		if (error) {
+		error = xfs_dir_replace(tp, target_dp, target_name,
+					target_namelen, src_ip->i_ino,
+					&first_block, &free_list, spaceres);
+		if (error)
 			goto abort_return;
-		}
 		xfs_ichgtime(target_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
 
 		/*
@@ -464,9 +455,8 @@
 		 * dir no longer points to it.
 		 */
 		error = xfs_droplink(tp, target_ip);
-		if (error) {
+		if (error)
 			goto abort_return;
-		}
 		target_ip_dropped = 1;
 
 		if (src_is_directory) {
@@ -474,9 +464,8 @@
 			 * Drop the link from the old "." entry.
 			 */
 			error = xfs_droplink(tp, target_ip);
-			if (error) {
+			if (error)
 				goto abort_return;
-			}
 		}
 
 		/* Do this test while we still hold the locks */
@@ -488,18 +477,15 @@
 	 * Remove the source.
 	 */
 	if (new_parent && src_is_directory) {
-
 		/*
 		 * Rewrite the ".." entry to point to the new
 		 * directory.
 		 */
-		error = XFS_DIR_REPLACE(mp, tp, src_ip, "..", 2,
-					target_dp->i_ino, &first_block,
-					&free_list, spaceres);
+		error = xfs_dir_replace(tp, src_ip, "..", 2, target_dp->i_ino,
+					&first_block, &free_list, spaceres);
 		ASSERT(error != EEXIST);
-		if (error) {
+		if (error)
 			goto abort_return;
-		}
 		xfs_ichgtime(src_ip, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
 
 	} else {
@@ -527,16 +513,14 @@
 		 * entry that's moved no longer points to it.
 		 */
 		error = xfs_droplink(tp, src_dp);
-		if (error) {
+		if (error)
 			goto abort_return;
-		}
 	}
 
-	error = XFS_DIR_REMOVENAME(mp, tp, src_dp, src_name, src_namelen,
+	error = xfs_dir_removename(tp, src_dp, src_name, src_namelen,
 			src_ip->i_ino, &first_block, &free_list, spaceres);
-	if (error) {
+	if (error)
 		goto abort_return;
-	}
 	xfs_ichgtime(src_dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
 
 	/*
diff --git a/fs/xfs/xfs_rtalloc.c b/fs/xfs/xfs_rtalloc.c
index af290cf..0c1e42b 100644
--- a/fs/xfs/xfs_rtalloc.c
+++ b/fs/xfs/xfs_rtalloc.c
@@ -24,14 +24,12 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_rw.c b/fs/xfs/xfs_rw.c
index c55e281..defb2fe 100644
--- a/fs/xfs/xfs_rw.c
+++ b/fs/xfs/xfs_rw.c
@@ -24,14 +24,12 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_trans.c b/fs/xfs/xfs_trans.c
index 39f0b1e..ee2721e 100644
--- a/fs/xfs/xfs_trans.c
+++ b/fs/xfs/xfs_trans.c
@@ -24,7 +24,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
@@ -33,7 +32,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_trans.h b/fs/xfs/xfs_trans.h
index 100d9a4..cb65c3a 100644
--- a/fs/xfs/xfs_trans.h
+++ b/fs/xfs/xfs_trans.h
@@ -805,12 +805,9 @@
 	((mp)->m_sb.sb_inodesize + \
 	 (mp)->m_sb.sb_sectsize * 2 + \
 	 (mp)->m_dirblksize + \
-	 (XFS_DIR_IS_V1(mp) ? 0 : \
-	    XFS_FSB_TO_B(mp, (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1))) + \
+	 XFS_FSB_TO_B(mp, (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1)) + \
 	 XFS_ALLOCFREE_LOG_RES(mp, 1) + \
-	 (128 * (4 + \
-		 (XFS_DIR_IS_V1(mp) ? 0 : \
-			 XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1) + \
+	 (128 * (4 + (XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK) + 1) + \
 		 XFS_ALLOCFREE_LOG_COUNT(mp, 1))))
 
 #define	XFS_ADDAFORK_LOG_RES(mp)	((mp)->m_reservations.tr_addafork)
diff --git a/fs/xfs/xfs_trans_ail.c b/fs/xfs/xfs_trans_ail.c
index e1ca7b6..558c87f 100644
--- a/fs/xfs/xfs_trans_ail.c
+++ b/fs/xfs/xfs_trans_ail.c
@@ -22,7 +22,6 @@
 #include "xfs_inum.h"
 #include "xfs_trans.h"
 #include "xfs_sb.h"
-#include "xfs_dir.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_trans_priv.h"
diff --git a/fs/xfs/xfs_trans_buf.c b/fs/xfs/xfs_trans_buf.c
index 8cedd15..60b6b89 100644
--- a/fs/xfs/xfs_trans_buf.c
+++ b/fs/xfs/xfs_trans_buf.c
@@ -24,14 +24,12 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_trans_extfree.c b/fs/xfs/xfs_trans_extfree.c
index 7d7d627..b290270 100644
--- a/fs/xfs/xfs_trans_extfree.c
+++ b/fs/xfs/xfs_trans_extfree.c
@@ -22,7 +22,6 @@
 #include "xfs_inum.h"
 #include "xfs_trans.h"
 #include "xfs_sb.h"
-#include "xfs_dir.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_trans_priv.h"
diff --git a/fs/xfs/xfs_trans_inode.c b/fs/xfs/xfs_trans_inode.c
index 7c5894d..b8db1d5 100644
--- a/fs/xfs/xfs_trans_inode.c
+++ b/fs/xfs/xfs_trans_inode.c
@@ -24,14 +24,12 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
diff --git a/fs/xfs/xfs_trans_space.h b/fs/xfs/xfs_trans_space.h
index 7fe3792..4ea2e50 100644
--- a/fs/xfs/xfs_trans_space.h
+++ b/fs/xfs/xfs_trans_space.h
@@ -30,8 +30,7 @@
 	  XFS_EXTENTADD_SPACE_RES(mp,w))
 #define	XFS_DAENTER_1B(mp,w)	((w) == XFS_DATA_FORK ? (mp)->m_dirblkfsbs : 1)
 #define	XFS_DAENTER_DBS(mp,w)	\
-	(XFS_DA_NODE_MAXDEPTH + \
-	 ((XFS_DIR_IS_V2(mp) && (w) == XFS_DATA_FORK) ? 2 : 0))
+	(XFS_DA_NODE_MAXDEPTH + (((w) == XFS_DATA_FORK) ? 2 : 0))
 #define	XFS_DAENTER_BLOCKS(mp,w)	\
 	(XFS_DAENTER_1B(mp,w) * XFS_DAENTER_DBS(mp,w))
 #define	XFS_DAENTER_BMAP1B(mp,w)	\
@@ -41,10 +40,7 @@
 #define	XFS_DAENTER_SPACE_RES(mp,w)	\
 	(XFS_DAENTER_BLOCKS(mp,w) + XFS_DAENTER_BMAPS(mp,w))
 #define	XFS_DAREMOVE_SPACE_RES(mp,w)	XFS_DAENTER_BMAPS(mp,w)
-#define	XFS_DIRENTER_MAX_SPLIT(mp,nl)	\
-	(((mp)->m_sb.sb_blocksize == 512 && \
-	  XFS_DIR_IS_V1(mp) && \
-	  (nl) >= XFS_DIR_LEAF_CAN_DOUBLE_SPLIT_LEN) ? 2 : 1)
+#define	XFS_DIRENTER_MAX_SPLIT(mp,nl)	1
 #define	XFS_DIRENTER_SPACE_RES(mp,nl)	\
 	(XFS_DAENTER_SPACE_RES(mp, XFS_DATA_FORK) * \
 	 XFS_DIRENTER_MAX_SPLIT(mp,nl))
@@ -57,8 +53,7 @@
  * Space reservation values for various transactions.
  */
 #define	XFS_ADDAFORK_SPACE_RES(mp)	\
-	((mp)->m_dirblkfsbs + \
-	 (XFS_DIR_IS_V1(mp) ? 0 : XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK)))
+	((mp)->m_dirblkfsbs + XFS_DAENTER_BMAP1B(mp, XFS_DATA_FORK))
 #define	XFS_ATTRRM_SPACE_RES(mp)	\
 	XFS_DAREMOVE_SPACE_RES(mp, XFS_ATTR_FORK)
 /* This macro is not used - see inline code in xfs_attr_set */
diff --git a/fs/xfs/xfs_utils.c b/fs/xfs/xfs_utils.c
index 37fdc2d..9014d7e 100644
--- a/fs/xfs/xfs_utils.c
+++ b/fs/xfs/xfs_utils.c
@@ -24,12 +24,10 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
 #include "xfs_bmap_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
@@ -82,8 +80,7 @@
 
 	dp = XFS_BHVTOI(dir_bdp);
 
-	error = XFS_DIR_LOOKUP(dp->i_mount, NULL, dp,
-				VNAME(dentry), VNAMELEN(dentry), inum);
+	error = xfs_dir_lookup(NULL, dp, VNAME(dentry), VNAMELEN(dentry), inum);
 	if (!error) {
 		/*
 		 * Unlock the directory. We do this because we can't
diff --git a/fs/xfs/xfs_vfsops.c b/fs/xfs/xfs_vfsops.c
index 918531b..6c96391 100644
--- a/fs/xfs/xfs_vfsops.c
+++ b/fs/xfs/xfs_vfsops.c
@@ -24,7 +24,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
@@ -32,7 +31,6 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_ialloc_btree.h"
 #include "xfs_alloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
@@ -131,9 +129,6 @@
 #ifdef XFS_BMBT_TRACE
 	xfs_bmbt_trace_buf = ktrace_alloc(XFS_BMBT_TRACE_SIZE, KM_SLEEP);
 #endif
-#ifdef XFS_DIR_TRACE
-	xfs_dir_trace_buf = ktrace_alloc(XFS_DIR_TRACE_SIZE, KM_SLEEP);
-#endif
 #ifdef XFS_ATTR_TRACE
 	xfs_attr_trace_buf = ktrace_alloc(XFS_ATTR_TRACE_SIZE, KM_SLEEP);
 #endif
@@ -177,9 +172,6 @@
 #ifdef XFS_ATTR_TRACE
 	ktrace_free(xfs_attr_trace_buf);
 #endif
-#ifdef XFS_DIR_TRACE
-	ktrace_free(xfs_dir_trace_buf);
-#endif
 #ifdef XFS_BMBT_TRACE
 	ktrace_free(xfs_bmbt_trace_buf);
 #endif
diff --git a/fs/xfs/xfs_vnodeops.c b/fs/xfs/xfs_vnodeops.c
index 26d96d1..00a6b7d 100644
--- a/fs/xfs/xfs_vnodeops.c
+++ b/fs/xfs/xfs_vnodeops.c
@@ -25,7 +25,6 @@
 #include "xfs_trans.h"
 #include "xfs_sb.h"
 #include "xfs_ag.h"
-#include "xfs_dir.h"
 #include "xfs_dir2.h"
 #include "xfs_dmapi.h"
 #include "xfs_mount.h"
@@ -33,13 +32,11 @@
 #include "xfs_bmap_btree.h"
 #include "xfs_alloc_btree.h"
 #include "xfs_ialloc_btree.h"
-#include "xfs_dir_sf.h"
 #include "xfs_dir2_sf.h"
 #include "xfs_attr_sf.h"
 #include "xfs_dinode.h"
 #include "xfs_inode.h"
 #include "xfs_inode_item.h"
-#include "xfs_dir_leaf.h"
 #include "xfs_itable.h"
 #include "xfs_btree.h"
 #include "xfs_ialloc.h"
@@ -1958,8 +1955,7 @@
 	if (error)
 		goto error_return;
 
-	if (resblks == 0 &&
-	    (error = XFS_DIR_CANENTER(mp, tp, dp, name, namelen)))
+	if (resblks == 0 && (error = xfs_dir_canenter(tp, dp, name, namelen)))
 		goto error_return;
 	rdev = (vap->va_mask & XFS_AT_RDEV) ? vap->va_rdev : 0;
 	error = xfs_dir_ialloc(&tp, dp, vap->va_mode, 1,
@@ -1990,9 +1986,9 @@
 	xfs_trans_ijoin(tp, dp, XFS_ILOCK_EXCL);
 	dp_joined_to_trans = B_TRUE;
 
-	error = XFS_DIR_CREATENAME(mp, tp, dp, name, namelen, ip->i_ino,
-		&first_block, &free_list,
-		resblks ? resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
+	error = xfs_dir_createname(tp, dp, name, namelen, ip->i_ino,
+					&first_block, &free_list, resblks ?
+					resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
 	if (error) {
 		ASSERT(error != ENOSPC);
 		goto abort_return;
@@ -2468,8 +2464,8 @@
 	 * Entry must exist since we did a lookup in xfs_lock_dir_and_entry.
 	 */
 	XFS_BMAP_INIT(&free_list, &first_block);
-	error = XFS_DIR_REMOVENAME(mp, tp, dp, name, namelen, ip->i_ino,
-		&first_block, &free_list, 0);
+	error = xfs_dir_removename(tp, dp, name, namelen, ip->i_ino,
+					&first_block, &free_list, 0);
 	if (error) {
 		ASSERT(error != ENOENT);
 		REMOVE_DEBUG_TRACE(__LINE__);
@@ -2688,13 +2684,12 @@
 	}
 
 	if (resblks == 0 &&
-	    (error = XFS_DIR_CANENTER(mp, tp, tdp, target_name,
-			target_namelen)))
+	    (error = xfs_dir_canenter(tp, tdp, target_name, target_namelen)))
 		goto error_return;
 
 	XFS_BMAP_INIT(&free_list, &first_block);
 
-	error = XFS_DIR_CREATENAME(mp, tp, tdp, target_name, target_namelen,
+	error = xfs_dir_createname(tp, tdp, target_name, target_namelen,
 				   sip->i_ino, &first_block, &free_list,
 				   resblks);
 	if (error)
@@ -2860,7 +2855,7 @@
 		goto error_return;
 
 	if (resblks == 0 &&
-	    (error = XFS_DIR_CANENTER(mp, tp, dp, dir_name, dir_namelen)))
+	    (error = xfs_dir_canenter(tp, dp, dir_name, dir_namelen)))
 		goto error_return;
 	/*
 	 * create the directory inode.
@@ -2887,9 +2882,9 @@
 
 	XFS_BMAP_INIT(&free_list, &first_block);
 
-	error = XFS_DIR_CREATENAME(mp, tp, dp, dir_name, dir_namelen,
-			cdp->i_ino, &first_block, &free_list,
-			resblks ? resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
+	error = xfs_dir_createname(tp, dp, dir_name, dir_namelen, cdp->i_ino,
+				   &first_block, &free_list, resblks ?
+				   resblks - XFS_IALLOC_SPACE_RES(mp) : 0);
 	if (error) {
 		ASSERT(error != ENOSPC);
 		goto error1;
@@ -2903,16 +2898,14 @@
 	 */
 	dp->i_gen++;
 
-	error = XFS_DIR_INIT(mp, tp, cdp, dp);
-	if (error) {
+	error = xfs_dir_init(tp, cdp, dp);
+	if (error)
 		goto error2;
-	}
 
 	cdp->i_gen = 1;
 	error = xfs_bumplink(tp, dp);
-	if (error) {
+	if (error)
 		goto error2;
-	}
 
 	cvp = XFS_ITOV(cdp);
 
@@ -3121,16 +3114,15 @@
 		error = XFS_ERROR(ENOTEMPTY);
 		goto error_return;
 	}
-	if (!XFS_DIR_ISEMPTY(mp, cdp)) {
+	if (!xfs_dir_isempty(cdp)) {
 		error = XFS_ERROR(ENOTEMPTY);
 		goto error_return;
 	}
 
-	error = XFS_DIR_REMOVENAME(mp, tp, dp, name, namelen, cdp->i_ino,
-		&first_block, &free_list, resblks);
-	if (error) {
+	error = xfs_dir_removename(tp, dp, name, namelen, cdp->i_ino,
+					&first_block, &free_list, resblks);
+	if (error)
 		goto error1;
-	}
 
 	xfs_ichgtime(dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
 
@@ -3229,8 +3221,6 @@
 
 
 /*
- * xfs_readdir
- *
  * Read dp's entries starting at uiop->uio_offset and translate them into
  * bufsize bytes worth of struct dirents starting at bufbase.
  */
@@ -3250,21 +3240,16 @@
 					       (inst_t *)__return_address);
 	dp = XFS_BHVTOI(dir_bdp);
 
-	if (XFS_FORCED_SHUTDOWN(dp->i_mount)) {
+	if (XFS_FORCED_SHUTDOWN(dp->i_mount))
 		return XFS_ERROR(EIO);
-	}
 
 	lock_mode = xfs_ilock_map_shared(dp);
-	error = XFS_DIR_GETDENTS(dp->i_mount, tp, dp, uiop, eofp);
+	error = xfs_dir_getdents(tp, dp, uiop, eofp);
 	xfs_iunlock_map_shared(dp, lock_mode);
 	return error;
 }
 
 
-/*
- * xfs_symlink
- *
- */
 STATIC int
 xfs_symlink(
 	bhv_desc_t		*dir_bdp,
@@ -3328,7 +3313,7 @@
 		int len, total;
 		char *path;
 
-		for(total = 0, path = target_path; total < pathlen;) {
+		for (total = 0, path = target_path; total < pathlen;) {
 			/*
 			 * Skip any slashes.
 			 */
@@ -3422,7 +3407,7 @@
 	 * Check for ability to enter directory entry, if no space reserved.
 	 */
 	if (resblks == 0 &&
-	    (error = XFS_DIR_CANENTER(mp, tp, dp, link_name, link_namelen)))
+	    (error = xfs_dir_canenter(tp, dp, link_name, link_namelen)))
 		goto error_return;
 	/*
 	 * Initialize the bmap freelist prior to calling either
@@ -3509,11 +3494,10 @@
 	/*
 	 * Create the directory entry for the symlink.
 	 */
-	error = XFS_DIR_CREATENAME(mp, tp, dp, link_name, link_namelen,
-			ip->i_ino, &first_block, &free_list, resblks);
-	if (error) {
+	error = xfs_dir_createname(tp, dp, link_name, link_namelen, ip->i_ino,
+				   &first_block, &free_list, resblks);
+	if (error)
 		goto error1;
-	}
 	xfs_ichgtime(dp, XFS_ICHGTIME_MOD | XFS_ICHGTIME_CHG);
 	xfs_trans_log_inode(tp, dp, XFS_ILOG_CORE);