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btrfs: handle btrfs_search_slot failure in replace_path

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The search can fail for various reasons, in case of errors there's no
cleanup to be done so we can pass the error to the caller, adjusting for
the case where the key is not found and search slot returns 1.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Signed-off-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: David Sterba <dsterba@suse.com>
[ update changelog ]
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Josef Bacik 2021-03-12 15:25:23 -05:00 committed by David Sterba
parent 45b87c5d25
commit 0e9873e2fe
1 changed files with 5 additions and 1 deletions
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6
fs/btrfs/relocation.c
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@ -1323,7 +1323,11 @@ again:
path->lowest_level = level; path->lowest_level = level;
ret = btrfs_search_slot(trans, src, &key, path, 0, 1); ret = btrfs_search_slot(trans, src, &key, path, 0, 1);
path->lowest_level = 0; path->lowest_level = 0;
BUG_ON(ret); if (ret) {
if (ret > 0)
ret = -ENOENT;
break;
}
/* /*
* Info qgroup to trace both subtrees. * Info qgroup to trace both subtrees.