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btrfs: return -EUCLEAN if extent item is missing when searching inline backref

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At lookup_inline_extent_backref() when trying to insert an inline backref,
if we don't find the extent item we log an error and then return -EIO.
This error code is confusing because there was actually no IO error, and
this means we have some corruption, either caused by a bug or something
like a memory bitflip for example. So change the error code from -EIO to
-EUCLEAN.

Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Filipe Manana <fdmanana@suse.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Filipe Manana 2023-09-08 18:20:32 +01:00 committed by David Sterba
parent cc925b9646
commit eba444f1c0
1 changed files with 1 additions and 1 deletions
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2
fs/btrfs/extent-tree.c
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@ -851,7 +851,7 @@ again:
"extent item not found for insert, bytenr %llu num_bytes %llu parent %llu root_objectid %llu owner %llu offset %llu",
bytenr, num_bytes, parent, root_objectid, owner,
offset);
ret = -EIO;
ret = -EUCLEAN;
goto out;
}