[PATCH 1/4] btrfs: declare btrfs_free_stale_devices non-static

[Anand Jain <anand.jain@oracle.com>]

When the open fails, to remove the stray device, we need
btrfs_free_stale_devices() function. Make it non-static.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
---
 fs/btrfs/volumes.c | 2 +-
 fs/btrfs/volumes.h | 1 +
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/fs/btrfs/volumes.c b/fs/btrfs/volumes.c
index 2dc926ac9137..7821c152d956 100644
--- a/fs/btrfs/volumes.c
+++ b/fs/btrfs/volumes.c
@@ -515,7 +515,7 @@ btrfs_get_bdev_and_sb(const char *device_path, blk_mode_t flags, void *holder,
  *		-EBUSY if @devt is a mounted device.
  *		-ENOENT if @devt does not match any device in the list.
  */
-static int btrfs_free_stale_devices(dev_t devt, struct btrfs_device *skip_device)
+int btrfs_free_stale_devices(dev_t devt, struct btrfs_device *skip_device)
 {
 	struct btrfs_fs_devices *fs_devices, *tmp_fs_devices;
 	struct btrfs_device *device, *tmp_device;
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h
index feba8d53526c..44942b7b36b8 100644
--- a/fs/btrfs/volumes.h
+++ b/fs/btrfs/volumes.h
@@ -681,6 +681,7 @@ int btrfs_open_devices(struct btrfs_fs_devices *fs_devices,
 		       blk_mode_t flags, void *holder);
 struct btrfs_device *btrfs_scan_one_device(const char *path, blk_mode_t flags,
 					   bool mount_arg_dev);
+int btrfs_free_stale_devices(dev_t devt, struct btrfs_device *skip_device);
 int btrfs_forget_devices(dev_t devt);
 void btrfs_close_devices(struct btrfs_fs_devices *fs_devices);
 void btrfs_free_extra_devids(struct btrfs_fs_devices *fs_devices);
-- 
2.38.1