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| author | Dave Chinner <dchinner@redhat.com> | 2013-04-03 09:11:30 +0400 |
|---|---|---|
| committer | Ben Myers <bpm@sgi.com> | 2013-04-27 22:01:58 +0400 |
| commit | 61fe135c1dde112f483bba01d645debd881b5428 (patch) | |
| tree | 6ec57ed9730f555b29b94aeb6983b4ddbebffe51 /fs/xfs/xfs_bmap.c | |
| parent | d75afeb3d302019527331520a2632b6614425b40 (diff) | |
| download | linux-61fe135c1dde112f483bba01d645debd881b5428.tar.xz | |
xfs: buffer type overruns blf_flags field
The buffer type passed to log recvoery in the buffer log item
overruns the blf_flags field. I had assumed that flags field was a
32 bit value, and it turns out it is a unisgned short. Therefore
having 19 flags doesn't really work.
Convert the buffer type field to numeric value, and use the top 5
bits of the flags field for it. We currently have 17 types of
buffers, so using 5 bits gives us plenty of room for expansion in
future....
Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>
Diffstat (limited to 'fs/xfs/xfs_bmap.c')
| -rw-r--r-- | fs/xfs/xfs_bmap.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c index 2844724f507e..89042848f9ec 100644 --- a/fs/xfs/xfs_bmap.c +++ b/fs/xfs/xfs_bmap.c @@ -1338,7 +1338,7 @@ xfs_bmap_local_to_extents_init_fn( ASSERT(0); bp->b_ops = &xfs_bmbt_buf_ops; memcpy(bp->b_addr, ifp->if_u1.if_data, ifp->if_bytes); - xfs_trans_buf_set_type(tp, bp, XFS_BLF_BTREE_BUF); + xfs_trans_buf_set_type(tp, bp, XFS_BLFT_BTREE_BUF); } /* |