[PATCH v2 1/4] btrfs: volumes: Unexport find_free_dev_extent_start()

[Qu Wenruo <wqu@suse.com>]

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

So unexport it.

Signed-off-by: Qu Wenruo <wqu@suse.com>
---
 fs/btrfs/volumes.c | 5 +++--
 fs/btrfs/volumes.h | 2 --
 2 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 1c2a6e4b39da..b3fae492912d 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -1547,8 +1547,9 @@ 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 136a3eb64604..371cd05d7fe4 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -454,8 +454,6 @@ 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);
-- 
2.22.0