This is a note to let you know that I've just added the patch titled ceph: demote quotarealm lookup warning to a debug message to the 5.4-stable tree which can be found at: http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary The filename of the patch is: ceph-demote-quotarealm-lookup-warning-to-a-debug-message.patch and it can be found in the queue-5.4 subdirectory. If you, or anyone else, feels it should not be added to the stable tree, please let <stable@xxxxxxxxxxxxxxx> know about it. >From 12ae44a40a1be891bdc6463f8c7072b4ede746ef Mon Sep 17 00:00:00 2001 From: Luis Henriques <lhenriques@xxxxxxxx> Date: Tue, 5 May 2020 13:59:02 +0100 Subject: ceph: demote quotarealm lookup warning to a debug message From: Luis Henriques <lhenriques@xxxxxxxx> commit 12ae44a40a1be891bdc6463f8c7072b4ede746ef upstream. A misconfigured cephx can easily result in having the kernel client flooding the logs with: ceph: Can't lookup inode 1 (err: -13) Change this message to debug level. Cc: stable@xxxxxxxxxxxxxxx URL: https://tracker.ceph.com/issues/44546 Signed-off-by: Luis Henriques <lhenriques@xxxxxxxx> Reviewed-by: Jeff Layton <jlayton@xxxxxxxxxx> Signed-off-by: Ilya Dryomov <idryomov@xxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/ceph/quota.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) --- a/fs/ceph/quota.c +++ b/fs/ceph/quota.c @@ -159,8 +159,8 @@ static struct inode *lookup_quotarealm_i } if (IS_ERR(in)) { - pr_warn("Can't lookup inode %llx (err: %ld)\n", - realm->ino, PTR_ERR(in)); + dout("Can't lookup inode %llx (err: %ld)\n", + realm->ino, PTR_ERR(in)); qri->timeout = jiffies + msecs_to_jiffies(60 * 1000); /* XXX */ } else { qri->timeout = 0; Patches currently in stable-queue which might be from lhenriques@xxxxxxxx are queue-5.4/ceph-demote-quotarealm-lookup-warning-to-a-debug-message.patch