btrfs: volumes: Unexport find_free_dev_extent_start()

This function is only used locally in find_free_dev_extent(), no
external callers.

So unexport it.

Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Qu Wenruo <wqu@suse.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 662a9d14f15175dd7c944b011ee4f135d9623ef0..8d64279d117c528d92b767c9d99d727f78a06d59 100644 (file)
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1552,8 +1552,9 @@ static bool contains_pending_extent(struct btrfs_device *device, u64 *start,
  * But if we don't find suitable free space, it is used to store the size of
  * the max free space.
  */
-int find_free_dev_extent_start(struct btrfs_device *device, u64 num_bytes,
-                              u64 search_start, u64 *start, u64 *len)
+static int find_free_dev_extent_start(struct btrfs_device *device,
+                               u64 num_bytes, u64 search_start, u64 *start,
+                               u64 *len)
 {
        struct btrfs_fs_info *fs_info = device->fs_info;
        struct btrfs_root *root = fs_info->dev_root;

diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index 7f6aa1816409dca00c4024fd6e488af29b26f29c..c71354fe1363d1c4384ad4d1fdef4eb0a07aea3f 100644 (file)
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -475,8 +475,6 @@ int btrfs_cancel_balance(struct btrfs_fs_info *fs_info);
 int btrfs_create_uuid_tree(struct btrfs_fs_info *fs_info);
 int btrfs_check_uuid_tree(struct btrfs_fs_info *fs_info);
 int btrfs_chunk_readonly(struct btrfs_fs_info *fs_info, u64 chunk_offset);
-int find_free_dev_extent_start(struct btrfs_device *device, u64 num_bytes,
-                              u64 search_start, u64 *start, u64 *max_avail);
 int find_free_dev_extent(struct btrfs_device *device, u64 num_bytes,
                         u64 *start, u64 *max_avail);
 void btrfs_dev_stat_inc_and_print(struct btrfs_device *dev, int index);