xfs: connect up write verifiers to new buffers
Metadata buffers that are read from disk have write verifiers
already attached to them, but newly allocated buffers do not. Add
appropriate write verifiers to all new metadata buffers.
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
diff --git a/fs/xfs/xfs_dir2_leaf.c b/fs/xfs/xfs_dir2_leaf.c
index 5b3bcab..3002ab7 100644
--- a/fs/xfs/xfs_dir2_leaf.c
+++ b/fs/xfs/xfs_dir2_leaf.c
@@ -81,7 +81,7 @@
xfs_buf_ioend(bp, 0);
}
-static void
+void
xfs_dir2_leafn_write_verify(
struct xfs_buf *bp)
{
@@ -198,6 +198,7 @@
/*
* Fix up the block header, make it a data block.
*/
+ dbp->b_pre_io = xfs_dir2_data_write_verify;
hdr->magic = cpu_to_be32(XFS_DIR2_DATA_MAGIC);
if (needscan)
xfs_dir2_data_freescan(mp, hdr, &needlog);
@@ -1243,15 +1244,14 @@
* Get the buffer for the block.
*/
error = xfs_da_get_buf(tp, dp, xfs_dir2_db_to_da(mp, bno), -1, &bp,
- XFS_DATA_FORK);
- if (error) {
+ XFS_DATA_FORK);
+ if (error)
return error;
- }
- ASSERT(bp != NULL);
- leaf = bp->b_addr;
+
/*
* Initialize the header.
*/
+ leaf = bp->b_addr;
leaf->hdr.info.magic = cpu_to_be16(magic);
leaf->hdr.info.forw = 0;
leaf->hdr.info.back = 0;
@@ -1264,10 +1264,12 @@
* the block.
*/
if (magic == XFS_DIR2_LEAF1_MAGIC) {
+ bp->b_pre_io = xfs_dir2_leaf1_write_verify;
ltp = xfs_dir2_leaf_tail_p(mp, leaf);
ltp->bestcount = 0;
xfs_dir2_leaf_log_tail(tp, bp);
- }
+ } else
+ bp->b_pre_io = xfs_dir2_leafn_write_verify;
*bpp = bp;
return 0;
}
@@ -1951,7 +1953,10 @@
xfs_dir2_leaf_compact(args, lbp);
else
xfs_dir2_leaf_log_header(tp, lbp);
+
+ lbp->b_pre_io = xfs_dir2_leaf1_write_verify;
leaf->hdr.info.magic = cpu_to_be16(XFS_DIR2_LEAF1_MAGIC);
+
/*
* Set up the leaf tail from the freespace block.
*/