bdi_register: add __printf verification, fix arg mismatch

__printf is useful to verify format and arguments.

Signed-off-by: Joe Perches <joe@perches.com>
Reviewed-by: Alex Elder <elder@inktank.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/ceph/super.c b/fs/ceph/super.c
index fcda1c73a1e5..1a144001b2e1 100644
--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -842,7 +842,7 @@ static int ceph_register_bdi(struct super_block *sb,
                 fsc->backing_dev_info.ra_pages =
                         default_backing_dev_info.ra_pages;
 
-        err = bdi_register(&fsc->backing_dev_info, NULL, "ceph-%d",
+        err = bdi_register(&fsc->backing_dev_info, NULL, "ceph-%ld",
                            atomic_long_inc_return(&bdi_seq));
         if (!err)
                 sb->s_bdi = &fsc->backing_dev_info;