ceph: update WARN_ON message to pr_warn

Give some more helpful info

Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 448125edd76b47c63c9ffea0b0498dc89f36ae49..e09bc49809cf8b5471b5c0f31cba1863a18368bb 100644 (file)
--- a/fs/ceph/caps.c
+++ b/fs/ceph/caps.c
@@ -3503,10 +3503,13 @@ static void handle_cap_grant(struct inode *inode,
                dout("%p mode 0%o uid.gid %d.%d\n", inode, inode->i_mode,
                     from_kuid(&init_user_ns, inode->i_uid),
                     from_kgid(&init_user_ns, inode->i_gid));
-
-               WARN_ON_ONCE(ci->fscrypt_auth_len != extra_info->fscrypt_auth_len ||
-                            memcmp(ci->fscrypt_auth, extra_info->fscrypt_auth,
-                                    ci->fscrypt_auth_len));
+#if IS_ENABLED(CONFIG_FS_ENCRYPTION)
+               if (ci->fscrypt_auth_len != extra_info->fscrypt_auth_len ||
+                   memcmp(ci->fscrypt_auth, extra_info->fscrypt_auth,
+                          ci->fscrypt_auth_len))
+                       pr_warn_ratelimited("%s: cap grant attempt to change fscrypt_auth on non-I_NEW inode (old len %d new len %d)\n",
+                               __func__, ci->fscrypt_auth_len, extra_info->fscrypt_auth_len);
+#endif
        }
 
        if ((newcaps & CEPH_CAP_LINK_SHARED) &&