Commit 5e72aabc authored by Johannes Thumshirn's avatar Johannes Thumshirn Committed by David Sterba
Browse files

btrfs: return ENODATA in case RST lookup fails 



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: default avatarJosef Bacik <josef@toxicpanda.com>
Reviewed-by: default avatarJosef Bacik <josef@toxicpanda.com>
Signed-off-by: default avatarJohannes Thumshirn <johannes.thumshirn@wdc.com>
Reviewed-by: default avatarDavid Sterba <dsterba@suse.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 61b4d75e

fs/btrfs/raid-stripe-tree.c

+3 −3
Original line number Diff line number Diff line
@@ -234,7 +234,7 @@ int btrfs_get_raid_extent_offset(struct btrfs_fs_info *fs_info, 
		found_end = found_logical + found_length;



		if (found_logical > end) {

			ret = -ENOENT;

			ret = -ENODATA;

			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. */

	ret = -ENOENT;

	ret = -ENODATA;

out:

	if (ret > 0)

		ret = -ENOENT;

		ret = -ENODATA;

	if (ret && ret != -EIO && !stripe->rst_search_commit_root) {

		btrfs_debug(fs_info,

		"cannot find raid-stripe for logical [%llu, %llu] devid %llu, profile %s",