btrfs: move dev_stats helpers to volumes.c

The other dev stats functions are already there and the helpers are not
used by anything else.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: David Sterba <dsterba@suse.com>

2 files changed, 23 insertions, 24 deletions

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index 0b6eca746fd4..ba34f7b435a2 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -2258,30 +2258,6 @@ static inline u32 btrfs_file_extent_inline_item_len(
         return btrfs_item_size(eb, e) - BTRFS_FILE_EXTENT_INLINE_DATA_START;
 }
 
-/* btrfs_dev_stats_item */
-static inline u64 btrfs_dev_stats_value(const struct extent_buffer *eb,
-                                        const struct btrfs_dev_stats_item *ptr,
-                                        int index)
-{
-        u64 val;
-
-        read_extent_buffer(eb, &val,
-                           offsetof(struct btrfs_dev_stats_item, values) +
-                            ((unsigned long)ptr) + (index * sizeof(u64)),
-                           sizeof(val));
-        return val;
-}
-
-static inline void btrfs_set_dev_stats_value(struct extent_buffer *eb,
-                                             struct btrfs_dev_stats_item *ptr,
-                                             int index, u64 val)
-{
-        write_extent_buffer(eb, &val,
-                            offsetof(struct btrfs_dev_stats_item, values) +
-                             ((unsigned long)ptr) + (index * sizeof(u64)),
-                            sizeof(val));
-}
-
 /* btrfs_qgroup_status_item */
 BTRFS_SETGET_FUNCS(qgroup_status_generation, struct btrfs_qgroup_status_item,
                    generation, 64);
diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 02976c174f32..a324480bc88b 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -7285,6 +7285,29 @@ void btrfs_init_devices_late(struct btrfs_fs_info *fs_info)
         }
 }
 
+static u64 btrfs_dev_stats_value(const struct extent_buffer *eb,
+                                 const struct btrfs_dev_stats_item *ptr,
+                                 int index)
+{
+        u64 val;
+
+        read_extent_buffer(eb, &val,
+                           offsetof(struct btrfs_dev_stats_item, values) +
+                            ((unsigned long)ptr) + (index * sizeof(u64)),
+                           sizeof(val));
+        return val;
+}
+
+static void btrfs_set_dev_stats_value(struct extent_buffer *eb,
+                                      struct btrfs_dev_stats_item *ptr,
+                                      int index, u64 val)
+{
+        write_extent_buffer(eb, &val,
+                            offsetof(struct btrfs_dev_stats_item, values) +
+                             ((unsigned long)ptr) + (index * sizeof(u64)),
+                            sizeof(val));
+}
+
 int btrfs_init_dev_stats(struct btrfs_fs_info *fs_info)
 {
         struct btrfs_key key;