[PATCH -next] btrfs: Make btrfs_sysfs_add_fs_devices static

[YueHaibing]

Fix sparse warning:

fs/btrfs/sysfs.c:1386:5: warning:
 symbol 'btrfs_sysfs_add_fs_devices' was not declared. Should it be static?

Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 fs/btrfs/sysfs.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/btrfs/sysfs.c b/fs/btrfs/sysfs.c
index e7b0e10685d9..279d9262b676 100644
--- a/fs/btrfs/sysfs.c
+++ b/fs/btrfs/sysfs.c
@@ -1383,7 +1383,7 @@ int btrfs_sysfs_add_device(struct btrfs_device *device)
 	return ret;
 }
 
-int btrfs_sysfs_add_fs_devices(struct btrfs_fs_devices *fs_devices)
+static int btrfs_sysfs_add_fs_devices(struct btrfs_fs_devices *fs_devices)
 {
 	int ret;
 	struct btrfs_device *device;
-- 
2.17.1