ceph: fix "ceph.dir.rctime" vxattr value

[ Upstream commit 718807289d4130be1fe13f24f018733116958070 ]

The vxattr value incorrectly places a "09" prefix to the nanoseconds
field, instead of providing it as a zero-pad width specifier after '%'.

Fixes: 3489b42a72a4 ("ceph: fix three bugs, two in ceph_vxattrcb_file_layout()")
Link: https://tracker.ceph.com/issues/39943
Signed-off-by: David Disseldorp <ddiss@suse.de>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

diff --git a/fs/ceph/xattr.c b/fs/ceph/xattr.c
index 5e4f3f833e85e3ab8002dcd79fe4c92de4292d4a..a09ce27ab2204ae963c154373cef9d8958060192 100644 (file)
--- a/fs/ceph/xattr.c
+++ b/fs/ceph/xattr.c
@@ -221,7 +221,7 @@ static size_t ceph_vxattrcb_dir_rbytes(struct ceph_inode_info *ci, char *val,
 static size_t ceph_vxattrcb_dir_rctime(struct ceph_inode_info *ci, char *val,
                                       size_t size)
 {
-       return snprintf(val, size, "%lld.09%ld", ci->i_rctime.tv_sec,
+       return snprintf(val, size, "%lld.%09ld", ci->i_rctime.tv_sec,
                        ci->i_rctime.tv_nsec);
 }