xfs: verify dir2 block format buffers

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Add a dir2 block format read verifier. To fully verify every block
when read, call xfs_dir2_data_check() on them. Change
xfs_dir2_data_check() to do runtime checking, convert ASSERT()
checks to XFS_WANT_CORRUPTED_RETURN(), which will trigger an ASSERT
failure on debug kernels, but on production kernels will dump an
error to dmesg and return EFSCORRUPTED to the caller.

Signed-off-by: Dave Chinner <dchinner@redhat.com>
Reviewed-by: Phil White <pwhite@sgi.com>
Signed-off-by: Ben Myers <bpm@sgi.com>

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Dave Chinner 2012-11-12 22:54:12 +11:00 • committed by Ben Myers

parent 20f7e9f372

commit 82025d7f79

3 changed files with 68 additions and 31 deletions

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22

fs/xfs/xfs_dir2_block.c

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73

fs/xfs/xfs_dir2_data.c

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4

fs/xfs/xfs_dir2_priv.h

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