xfs: rework xfs_bmap_free callers to use xfs_defer_ops
Restructure everything that used xfs_bmap_free to use xfs_defer_ops
instead. For now we'll just remove the old symbols and play some
cpp magic to make it work; in the next patch we'll actually rename
everything.
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Signed-off-by: Dave Chinner <david@fromorbit.com>
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index 88c26b8..5993f87 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -24,6 +24,7 @@
#include "xfs_bit.h"
#include "xfs_sb.h"
#include "xfs_mount.h"
+#include "xfs_defer.h"
#include "xfs_inode.h"
#include "xfs_btree.h"
#include "xfs_alloc_btree.h"
diff --git a/fs/xfs/libxfs/xfs_attr.c b/fs/xfs/libxfs/xfs_attr.c
index 4e126f4..79d3a30 100644
--- a/fs/xfs/libxfs/xfs_attr.c
+++ b/fs/xfs/libxfs/xfs_attr.c
@@ -23,6 +23,7 @@
#include "xfs_trans_resv.h"
#include "xfs_bit.h"
#include "xfs_mount.h"
+#include "xfs_defer.h"
#include "xfs_da_format.h"
#include "xfs_da_btree.h"
#include "xfs_attr_sf.h"
diff --git a/fs/xfs/libxfs/xfs_attr_remote.c b/fs/xfs/libxfs/xfs_attr_remote.c
index a572532..93a9ce1 100644
--- a/fs/xfs/libxfs/xfs_attr_remote.c
+++ b/fs/xfs/libxfs/xfs_attr_remote.c
@@ -24,6 +24,7 @@
#include "xfs_trans_resv.h"
#include "xfs_bit.h"
#include "xfs_mount.h"
+#include "xfs_defer.h"
#include "xfs_da_format.h"
#include "xfs_da_btree.h"
#include "xfs_inode.h"
diff --git a/fs/xfs/libxfs/xfs_bmap.c b/fs/xfs/libxfs/xfs_bmap.c
index c5981f4..e090d34 100644
--- a/fs/xfs/libxfs/xfs_bmap.c
+++ b/fs/xfs/libxfs/xfs_bmap.c
@@ -24,6 +24,7 @@
#include "xfs_bit.h"
#include "xfs_sb.h"
#include "xfs_mount.h"
+#include "xfs_defer.h"
#include "xfs_da_format.h"
#include "xfs_da_btree.h"
#include "xfs_dir2.h"
@@ -595,41 +596,7 @@
new = kmem_zone_alloc(xfs_bmap_free_item_zone, KM_SLEEP);
new->xbfi_startblock = bno;
new->xbfi_blockcount = (xfs_extlen_t)len;
- list_add(&new->xbfi_list, &flist->xbf_flist);
- flist->xbf_count++;
-}
-
-/*
- * Remove the entry "free" from the free item list. Prev points to the
- * previous entry, unless "free" is the head of the list.
- */
-void
-xfs_bmap_del_free(
- struct xfs_bmap_free *flist, /* free item list header */
- struct xfs_bmap_free_item *free) /* list item to be freed */
-{
- list_del(&free->xbfi_list);
- flist->xbf_count--;
- kmem_zone_free(xfs_bmap_free_item_zone, free);
-}
-
-/*
- * Free up any items left in the list.
- */
-void
-xfs_bmap_cancel(
- struct xfs_bmap_free *flist) /* list of bmap_free_items */
-{
- struct xfs_bmap_free_item *free; /* free list item */
-
- if (flist->xbf_count == 0)
- return;
- while (!list_empty(&flist->xbf_flist)) {
- free = list_first_entry(&flist->xbf_flist,
- struct xfs_bmap_free_item, xbfi_list);
- xfs_bmap_del_free(flist, free);
- }
- ASSERT(flist->xbf_count == 0);
+ xfs_defer_add(flist, XFS_DEFER_OPS_TYPE_FREE, &new->xbfi_list);
}
/*
@@ -767,7 +734,7 @@
if (*firstblock == NULLFSBLOCK) {
args.type = XFS_ALLOCTYPE_START_BNO;
args.fsbno = XFS_INO_TO_FSB(mp, ip->i_ino);
- } else if (flist->xbf_low) {
+ } else if (flist->dop_low) {
args.type = XFS_ALLOCTYPE_START_BNO;
args.fsbno = *firstblock;
} else {
@@ -788,7 +755,7 @@
ASSERT(args.fsbno != NULLFSBLOCK);
ASSERT(*firstblock == NULLFSBLOCK ||
args.agno == XFS_FSB_TO_AGNO(mp, *firstblock) ||
- (flist->xbf_low &&
+ (flist->dop_low &&
args.agno > XFS_FSB_TO_AGNO(mp, *firstblock)));
*firstblock = cur->bc_private.b.firstblock = args.fsbno;
cur->bc_private.b.allocated++;
@@ -3708,7 +3675,7 @@
error = xfs_bmap_btalloc_nullfb(ap, &args, &blen);
if (error)
return error;
- } else if (ap->flist->xbf_low) {
+ } else if (ap->flist->dop_low) {
if (xfs_inode_is_filestream(ap->ip))
args.type = XFS_ALLOCTYPE_FIRST_AG;
else
@@ -3741,7 +3708,7 @@
* is >= the stripe unit and the allocation offset is
* at the end of file.
*/
- if (!ap->flist->xbf_low && ap->aeof) {
+ if (!ap->flist->dop_low && ap->aeof) {
if (!ap->offset) {
args.alignment = stripe_align;
atype = args.type;
@@ -3834,7 +3801,7 @@
args.minleft = 0;
if ((error = xfs_alloc_vextent(&args)))
return error;
- ap->flist->xbf_low = 1;
+ ap->flist->dop_low = true;
}
if (args.fsbno != NULLFSBLOCK) {
/*
@@ -3844,7 +3811,7 @@
ASSERT(*ap->firstblock == NULLFSBLOCK ||
XFS_FSB_TO_AGNO(mp, *ap->firstblock) ==
XFS_FSB_TO_AGNO(mp, args.fsbno) ||
- (ap->flist->xbf_low &&
+ (ap->flist->dop_low &&
XFS_FSB_TO_AGNO(mp, *ap->firstblock) <
XFS_FSB_TO_AGNO(mp, args.fsbno)));
@@ -3852,7 +3819,7 @@
if (*ap->firstblock == NULLFSBLOCK)
*ap->firstblock = args.fsbno;
ASSERT(nullfb || fb_agno == args.agno ||
- (ap->flist->xbf_low && fb_agno < args.agno));
+ (ap->flist->dop_low && fb_agno < args.agno));
ap->length = args.len;
ap->ip->i_d.di_nblocks += args.len;
xfs_trans_log_inode(ap->tp, ap->ip, XFS_ILOG_CORE);
@@ -4319,7 +4286,7 @@
if (error)
return error;
- if (bma->flist->xbf_low)
+ if (bma->flist->dop_low)
bma->minleft = 0;
if (bma->cur)
bma->cur->bc_private.b.firstblock = *bma->firstblock;
@@ -4684,7 +4651,7 @@
XFS_FSB_TO_AGNO(mp, *firstblock) ==
XFS_FSB_TO_AGNO(mp,
bma.cur->bc_private.b.firstblock) ||
- (flist->xbf_low &&
+ (flist->dop_low &&
XFS_FSB_TO_AGNO(mp, *firstblock) <
XFS_FSB_TO_AGNO(mp,
bma.cur->bc_private.b.firstblock)));
diff --git a/fs/xfs/libxfs/xfs_bmap.h b/fs/xfs/libxfs/xfs_bmap.h
index f1f3ae6..891b728 100644
--- a/fs/xfs/libxfs/xfs_bmap.h
+++ b/fs/xfs/libxfs/xfs_bmap.h
@@ -69,27 +69,6 @@
struct list_head xbfi_list;
};
-/*
- * Header for free extent list.
- *
- * xbf_low is used by the allocator to activate the lowspace algorithm -
- * when free space is running low the extent allocator may choose to
- * allocate an extent from an AG without leaving sufficient space for
- * a btree split when inserting the new extent. In this case the allocator
- * will enable the lowspace algorithm which is supposed to allow further
- * allocations (such as btree splits and newroots) to allocate from
- * sequential AGs. In order to avoid locking AGs out of order the lowspace
- * algorithm will start searching for free space from AG 0. If the correct
- * transaction reservations have been made then this algorithm will eventually
- * find all the space it needs.
- */
-typedef struct xfs_bmap_free
-{
- struct list_head xbf_flist; /* list of to-be-free extents */
- int xbf_count; /* count of items on list */
- int xbf_low; /* alloc in low mode */
-} xfs_bmap_free_t;
-
#define XFS_BMAP_MAX_NMAP 4
/*
@@ -139,14 +118,6 @@
#define DELAYSTARTBLOCK ((xfs_fsblock_t)-1LL)
#define HOLESTARTBLOCK ((xfs_fsblock_t)-2LL)
-static inline void xfs_bmap_init(xfs_bmap_free_t *flp, xfs_fsblock_t *fbp)
-{
- INIT_LIST_HEAD(&flp->xbf_flist);
- flp->xbf_count = 0;
- flp->xbf_low = 0;
- *fbp = NULLFSBLOCK;
-}
-
/*
* Flags for xfs_bmap_add_extent*.
*/
@@ -195,9 +166,6 @@
void xfs_bmap_local_to_extents_empty(struct xfs_inode *ip, int whichfork);
void xfs_bmap_add_free(struct xfs_mount *mp, struct xfs_bmap_free *flist,
xfs_fsblock_t bno, xfs_filblks_t len);
-void xfs_bmap_cancel(struct xfs_bmap_free *flist);
-int xfs_bmap_finish(struct xfs_trans **tp, struct xfs_bmap_free *flist,
- struct xfs_inode *ip);
void xfs_bmap_compute_maxlevels(struct xfs_mount *mp, int whichfork);
int xfs_bmap_first_unused(struct xfs_trans *tp, struct xfs_inode *ip,
xfs_extlen_t len, xfs_fileoff_t *unused, int whichfork);
diff --git a/fs/xfs/libxfs/xfs_bmap_btree.c b/fs/xfs/libxfs/xfs_bmap_btree.c
index 4f1a98e..1b7ba73 100644
--- a/fs/xfs/libxfs/xfs_bmap_btree.c
+++ b/fs/xfs/libxfs/xfs_bmap_btree.c
@@ -23,6 +23,7 @@
#include "xfs_trans_resv.h"
#include "xfs_bit.h"
#include "xfs_mount.h"
+#include "xfs_defer.h"
#include "xfs_inode.h"
#include "xfs_trans.h"
#include "xfs_inode_item.h"
@@ -462,7 +463,7 @@
* block allocation here and corrupt the filesystem.
*/
args.minleft = args.tp->t_blk_res;
- } else if (cur->bc_private.b.flist->xbf_low) {
+ } else if (cur->bc_private.b.flist->dop_low) {
args.type = XFS_ALLOCTYPE_START_BNO;
} else {
args.type = XFS_ALLOCTYPE_NEAR_BNO;
@@ -490,7 +491,7 @@
error = xfs_alloc_vextent(&args);
if (error)
goto error0;
- cur->bc_private.b.flist->xbf_low = 1;
+ cur->bc_private.b.flist->dop_low = true;
}
if (args.fsbno == NULLFSBLOCK) {
XFS_BTREE_TRACE_CURSOR(cur, XBT_EXIT);
diff --git a/fs/xfs/libxfs/xfs_btree.c b/fs/xfs/libxfs/xfs_btree.c
index b5be7f4..4fc4652 100644
--- a/fs/xfs/libxfs/xfs_btree.c
+++ b/fs/xfs/libxfs/xfs_btree.c
@@ -23,6 +23,7 @@
#include "xfs_trans_resv.h"
#include "xfs_bit.h"
#include "xfs_mount.h"
+#include "xfs_defer.h"
#include "xfs_inode.h"
#include "xfs_trans.h"
#include "xfs_inode_item.h"
diff --git a/fs/xfs/libxfs/xfs_defer.h b/fs/xfs/libxfs/xfs_defer.h
index b9b5a92..8d25086 100644
--- a/fs/xfs/libxfs/xfs_defer.h
+++ b/fs/xfs/libxfs/xfs_defer.h
@@ -93,4 +93,11 @@
void xfs_defer_init_op_type(const struct xfs_defer_op_type *type);
+/* XXX: compatibility shims, will go away in the next patch */
+#define xfs_bmap_finish xfs_defer_finish
+#define xfs_bmap_cancel xfs_defer_cancel
+#define xfs_bmap_init xfs_defer_init
+#define xfs_bmap_free xfs_defer_ops
+typedef struct xfs_defer_ops xfs_bmap_free_t;
+
#endif /* __XFS_DEFER_H__ */
diff --git a/fs/xfs/libxfs/xfs_dir2.c b/fs/xfs/libxfs/xfs_dir2.c
index af0f9d1..945c0345 100644
--- a/fs/xfs/libxfs/xfs_dir2.c
+++ b/fs/xfs/libxfs/xfs_dir2.c
@@ -21,6 +21,7 @@
#include "xfs_log_format.h"
#include "xfs_trans_resv.h"
#include "xfs_mount.h"
+#include "xfs_defer.h"
#include "xfs_da_format.h"
#include "xfs_da_btree.h"
#include "xfs_inode.h"
diff --git a/fs/xfs/libxfs/xfs_ialloc.c b/fs/xfs/libxfs/xfs_ialloc.c
index 4b1e408..c654310 100644
--- a/fs/xfs/libxfs/xfs_ialloc.c
+++ b/fs/xfs/libxfs/xfs_ialloc.c
@@ -24,6 +24,7 @@
#include "xfs_bit.h"
#include "xfs_sb.h"
#include "xfs_mount.h"
+#include "xfs_defer.h"
#include "xfs_inode.h"
#include "xfs_btree.h"
#include "xfs_ialloc.h"
diff --git a/fs/xfs/libxfs/xfs_inode_buf.c b/fs/xfs/libxfs/xfs_inode_buf.c
index 9d9559e..4b9769e 100644
--- a/fs/xfs/libxfs/xfs_inode_buf.c
+++ b/fs/xfs/libxfs/xfs_inode_buf.c
@@ -22,6 +22,7 @@
#include "xfs_log_format.h"
#include "xfs_trans_resv.h"
#include "xfs_mount.h"
+#include "xfs_defer.h"
#include "xfs_inode.h"
#include "xfs_error.h"
#include "xfs_cksum.h"
diff --git a/fs/xfs/libxfs/xfs_sb.c b/fs/xfs/libxfs/xfs_sb.c
index 12ca867..2194e5d 100644
--- a/fs/xfs/libxfs/xfs_sb.c
+++ b/fs/xfs/libxfs/xfs_sb.c
@@ -24,6 +24,7 @@
#include "xfs_bit.h"
#include "xfs_sb.h"
#include "xfs_mount.h"
+#include "xfs_defer.h"
#include "xfs_inode.h"
#include "xfs_ialloc.h"
#include "xfs_alloc.h"