btrfs: dev stats item key conversion per cpu type is not needed

%found_key is not used, drop it since it hasn't been used since the
beginning in 733f4fbbc108 ("Btrfs: read device stats on mount, write
modified ones during commit").

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index fa6eb9e0ba89710514a8365b85d7add25c7f7f8b..539071bdbf4fc2e0a985d19e1fc681f72650214e 100644 (file)
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -7279,7 +7279,6 @@ void btrfs_init_devices_late(struct btrfs_fs_info *fs_info)
 int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info)
 {
        struct btrfs_key key;
-       struct btrfs_key found_key;
        struct btrfs_root *dev_root = fs_info->dev_root;
        struct btrfs_fs_devices *fs_devices = fs_info->fs_devices;
        struct extent_buffer *eb;
@@ -7313,7 +7312,6 @@ int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info)
                }
                slot = path->slots[0];
                eb = path->nodes[0];
-               btrfs_item_key_to_cpu(eb, &found_key, slot);
                item_size = btrfs_item_size_nr(eb, slot);
 
                ptr = btrfs_item_ptr(eb, slot,