diff mbox series

[v15,07/29] ceph: update WARN_ON message to pr_warn

Message ID 20220825133132.153657-8-jlayton@kernel.org
State New
Headers show
Series ceph: remaining patches for fscrypt support | expand

Commit Message

Jeff Layton Aug. 25, 2022, 1:31 p.m. UTC 
Give some more helpful info

Reviewed-by: Xiubo Li <xiubli@redhat.com>
Signed-off-by: Jeff Layton <jlayton@kernel.org>
---
 fs/ceph/caps.c | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)
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Patch

diff --git a/fs/ceph/caps.c b/fs/ceph/caps.c
index 448125edd76b..e09bc49809cf 100644
--- 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) &&