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xfs: add a function to deal with corrupt buffers post-verifiers

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Add a helper function to get rid of buffers that we have decided are
corrupt after the verifiers have run.  This function is intended to
handle metadata checks that can't happen in the verifiers, such as
inter-block relationship checking.  Note that we now mark the buffer
stale so that it will not end up on any LRU and will be purged on
release.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>
This commit is contained in:
Darrick J. Wong
2020-03-11 10:37:54 -07:00
parent a71e4228e6
commit 8d57c21600
12 changed files with 46 additions and 20 deletions
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fs/xfs/libxfs/xfs_dir2_leaf.c
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@@ -1383,7 +1383,7 @@ xfs_dir2_leaf_removename(
ltp = xfs_dir2_leaf_tail_p(geo, leaf);
bestsp = xfs_dir2_leaf_bests_p(ltp);
if (be16_to_cpu(bestsp[db]) != oldbest) {
xfs_buf_corruption_error(lbp);
xfs_buf_mark_corrupt(lbp);
return -EFSCORRUPTED;
}
/*