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btrfs: return ENODATA in case RST lookup fails

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In case a lookup in the RAID stripe-tree fails, return ENODATA instead of
ENOENT to better distinguish stripe-tree lookups from other code paths
where we return ENOENT.

Suggested-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Signed-off-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Johannes Thumshirn 2024-10-07 13:52:47 +02:00 committed by David Sterba
parent 61b4d75e3c
commit 5e72aabc1f
1 changed files with 3 additions and 3 deletions
repo.diff.show_diff_stats Download patch file Download diff file Expand all files Collapse all files

6
fs/btrfs/raid-stripe-tree.c
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@ -234,7 +234,7 @@ int btrfs_get_raid_extent_offset(struct btrfs_fs_info *fs_info,
found_end = found_logical + found_length; found_end = found_logical + found_length;
if (found_logical > end) { if (found_logical > end) {
ret = -ENOENT; ret = -ENODATA;
goto out; goto out;
} }
@ -280,10 +280,10 @@ int btrfs_get_raid_extent_offset(struct btrfs_fs_info *fs_info,
} }
/* If we're here, we haven't found the requested devid in the stripe. */ /* If we're here, we haven't found the requested devid in the stripe. */
ret = -ENOENT; ret = -ENODATA;
out: out:
if (ret > 0) if (ret > 0)
ret = -ENOENT; ret = -ENODATA;
if (ret && ret != -EIO && !stripe->rst_search_commit_root) { if (ret && ret != -EIO && !stripe->rst_search_commit_root) {
btrfs_debug(fs_info, btrfs_debug(fs_info,
"cannot find raid-stripe for logical [%llu, %llu] devid %llu, profile %s", "cannot find raid-stripe for logical [%llu, %llu] devid %llu, profile %s",