In my haste to fix what I thought was a performance problem in the attr
scrub code, I neglected to notice that the xfs_attr_get_ilocked also had
the effect of checking that attributes can actually be looked up through
the attr dabtree. Fix this.
Fixes: 44af6c7e59b12 ("xfs: don't load local xattr values during scrub")
Signed-off-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Christoph Hellwig <hch@lst.de>
return -ECANCELED;
}
- /*
- * Local and shortform xattr values are stored in the attr leaf block,
- * so we don't need to retrieve the value from a remote block to detect
- * corruption problems.
- */
- if (value)
- return 0;
-
/*
* Try to allocate enough memory to extract the attr value. If that
* doesn't work, return -EDEADLOCK as a signal to try again with a
args.value = ab->value;
+ /*
+ * Get the attr value to ensure that lookup can find this attribute
+ * through the dabtree indexing and that remote value retrieval also
+ * works correctly.
+ */
xfs_attr_sethash(&args);
error = xfs_attr_get_ilocked(&args);
/* ENODATA means the hash lookup failed and the attr is bad */