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xfs: scrub in-core metadata

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Whenever we load a buffer, explicitly re-call the structure verifier to
ensure that memory isn't corrupting things.

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
2018-01-16 18:53:11 -08:00
parent 561f648ab2
commit cf1b0b8b1a
6 changed files with 57 additions and 0 deletions
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4
fs/xfs/scrub/btree.c
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@@ -314,6 +314,8 @@ xfs_scrub_btree_block_check_sibling(
pp = xfs_btree_ptr_addr(ncur, ncur->bc_ptrs[level + 1], pblock);
if (!xfs_scrub_btree_ptr_ok(bs, level + 1, pp))
goto out;
if (pbp)
xfs_scrub_buffer_recheck(bs->sc, pbp);
if (xfs_btree_diff_two_ptrs(cur, pp, sibling))
xfs_scrub_btree_set_corrupt(bs->sc, cur, level);
@@ -486,6 +488,8 @@ xfs_scrub_btree_get_block(
xfs_scrub_btree_set_corrupt(bs->sc, bs->cur, level);
return 0;
}
if (*pbp)
xfs_scrub_buffer_recheck(bs->sc, *pbp);
/*
* Check the block's owner; this function absorbs error codes