btrfs: make btrfs_free_device() static

The function btrfs_free_device() is never used outside of volumes.c, so
make it static and remove its prototype declaration at volumes.h.

Reviewed-by: Qu Wenruo <wqu@suse.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Filipe Manana <fdmanana@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 841e799..1a76206 100644 (file)
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -391,7 +391,7 @@ static struct btrfs_fs_devices *alloc_fs_devices(const u8 *fsid,
        return fs_devs;
 }
 
-void btrfs_free_device(struct btrfs_device *device)
+static void btrfs_free_device(struct btrfs_device *device)
 {
        WARN_ON(!list_empty(&device->post_commit_list));
        rcu_string_free(device->name);

diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index bf47a1a..5cbbee3 100644 (file)
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -617,7 +617,6 @@ struct btrfs_device *btrfs_alloc_device(struct btrfs_fs_info *fs_info,
                                        const u64 *devid, const u8 *uuid,
                                        const char *path);
 void btrfs_put_dev_args_from_path(struct btrfs_dev_lookup_args *args);
-void btrfs_free_device(struct btrfs_device *device);
 int btrfs_rm_device(struct btrfs_fs_info *fs_info,
                    struct btrfs_dev_lookup_args *args,
                    struct block_device **bdev, fmode_t *mode);