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authorDarrick J. Wong <darrick.wong@oracle.com>2018-02-26 22:43:16 -0600
committerEric Sandeen <sandeen@redhat.com>2018-02-26 22:43:16 -0600
commitbb2a125a59d637454de455956fd5ac57f61baea4 (patch)
tree40154eb620baa8dc4b3d83ad32ce7db4e6579748
parentfb75464f4051e2589b23c44abd69fd095f58d8cb (diff)
downloadxfsprogs-dev-bb2a125a59d637454de455956fd5ac57f61baea4.tar.gz
xfs: refactor short form btree pointer verification
Source kernel commit: e1e55aaf1cc646b736439cbd5af229759029ae34 Now that we have xfs_verify_agbno, use it to verify short form btree pointers instead of open-coding them. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Eric Sandeen <sandeen@sandeen.net>
-rw-r--r--libxfs/xfs_btree.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/libxfs/xfs_btree.c b/libxfs/xfs_btree.c
index 63dd790584..ddb70cc054 100644
--- a/libxfs/xfs_btree.c
+++ b/libxfs/xfs_btree.c
@@ -4614,19 +4614,19 @@ xfs_btree_sblock_verify(
{
struct xfs_mount *mp = bp->b_target->bt_mount;
struct xfs_btree_block *block = XFS_BUF_TO_BLOCK(bp);
+ xfs_agblock_t agno;
/* numrecs verification */
if (be16_to_cpu(block->bb_numrecs) > max_recs)
return false;
/* sibling pointer verification */
- if (!block->bb_u.s.bb_leftsib ||
- (be32_to_cpu(block->bb_u.s.bb_leftsib) >= mp->m_sb.sb_agblocks &&
- block->bb_u.s.bb_leftsib != cpu_to_be32(NULLAGBLOCK)))
+ agno = xfs_daddr_to_agno(mp, XFS_BUF_ADDR(bp));
+ if (block->bb_u.s.bb_leftsib != cpu_to_be32(NULLAGBLOCK) &&
+ !xfs_verify_agbno(mp, agno, be32_to_cpu(block->bb_u.s.bb_leftsib)))
return false;
- if (!block->bb_u.s.bb_rightsib ||
- (be32_to_cpu(block->bb_u.s.bb_rightsib) >= mp->m_sb.sb_agblocks &&
- block->bb_u.s.bb_rightsib != cpu_to_be32(NULLAGBLOCK)))
+ if (block->bb_u.s.bb_rightsib != cpu_to_be32(NULLAGBLOCK) &&
+ !xfs_verify_agbno(mp, agno, be32_to_cpu(block->bb_u.s.bb_rightsib)))
return false;
return true;