fs: use block_device name vsprintf helper

Signed-off-by: Dmitry Monakhov <dmonakhov@openvz.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

1 files changed, 1 insertions, 3 deletions

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 24154e422945..a0434c179ea9 100644
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -1514,9 +1514,7 @@ static struct dentry *btrfs_mount(struct file_system_type *fs_type, int flags,
                 if ((flags ^ s->s_flags) & MS_RDONLY)
                         error = -EBUSY;
         } else {
-                char b[BDEVNAME_SIZE];
-
-                strlcpy(s->s_id, bdevname(bdev, b), sizeof(s->s_id));
+                snprintf(s->s_id, sizeof(s->s_id), "%pg", bdev);
                 btrfs_sb(s)->bdev_holder = fs_type;
                 error = btrfs_fill_super(s, fs_devices, data,
                                          flags & MS_SILENT ? 1 : 0);