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authorDarrick J. Wong <djwong@kernel.org>2021-03-22 09:51:54 -0700
committerDarrick J. Wong <djwong@kernel.org>2021-03-25 16:47:50 -0700
commit973975b72a36ee86c8c59057f06fcde03478ff4f (patch)
tree2af09dfd31c6f28eb94232f8f0dc2df4d021d3a7 /fs/xfs/libxfs/xfs_alloc.c
parentf53acface7a9765ba03b491485bcc53d72810aeb (diff)
xfs: validate ag btree levels using the precomputed values
Use the AG btree height limits that we precomputed into the xfs_mount to validate the AG headers instead of using XFS_BTREE_MAXLEVELS. Signed-off-by: Darrick J. Wong <djwong@kernel.org> Reviewed-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/xfs/libxfs/xfs_alloc.c')
-rw-r--r--fs/xfs/libxfs/xfs_alloc.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/fs/xfs/libxfs/xfs_alloc.c b/fs/xfs/libxfs/xfs_alloc.c
index 0c623d3c1036..aaa19101bb2a 100644
--- a/fs/xfs/libxfs/xfs_alloc.c
+++ b/fs/xfs/libxfs/xfs_alloc.c
@@ -2906,13 +2906,13 @@ xfs_agf_verify(
if (be32_to_cpu(agf->agf_levels[XFS_BTNUM_BNO]) < 1 ||
be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]) < 1 ||
- be32_to_cpu(agf->agf_levels[XFS_BTNUM_BNO]) > XFS_BTREE_MAXLEVELS ||
- be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]) > XFS_BTREE_MAXLEVELS)
+ be32_to_cpu(agf->agf_levels[XFS_BTNUM_BNO]) > mp->m_ag_maxlevels ||
+ be32_to_cpu(agf->agf_levels[XFS_BTNUM_CNT]) > mp->m_ag_maxlevels)
return __this_address;
if (xfs_sb_version_hasrmapbt(&mp->m_sb) &&
(be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAP]) < 1 ||
- be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAP]) > XFS_BTREE_MAXLEVELS))
+ be32_to_cpu(agf->agf_levels[XFS_BTNUM_RMAP]) > mp->m_rmap_maxlevels))
return __this_address;
if (xfs_sb_version_hasrmapbt(&mp->m_sb) &&
@@ -2939,7 +2939,7 @@ xfs_agf_verify(
if (xfs_sb_version_hasreflink(&mp->m_sb) &&
(be32_to_cpu(agf->agf_refcount_level) < 1 ||
- be32_to_cpu(agf->agf_refcount_level) > XFS_BTREE_MAXLEVELS))
+ be32_to_cpu(agf->agf_refcount_level) > mp->m_refc_maxlevels))
return __this_address;
return NULL;