xfs: check that bc_nlevels never overflows

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Warn if we ever bump nlevels higher than the allowed maximum cursor
height.

Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Chandan Babu R <chandan.babu@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>

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Darrick J. Wong 2021-09-16 12:22:08 -07:00

parent 1ba6fd34ca

commit 4c175af2cc

2 changed files with 4 additions and 0 deletions

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2

fs/xfs/libxfs/xfs_btree.c

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2

fs/xfs/libxfs/xfs_btree_staging.c

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