ceph: downgrade warning from mdsmap decode to debug

ceph: downgrade warning from mdsmap decode to debug

[Jeff Layton]

Hi, we'd like to request that you pull this commit into stable kernels. 
It's a trivial patch that just downgrades a (harmless) kernel warning
message to debug level. The warning can be very chatty in some
situations, and it'd be nice to silence it.

-----------------------------8<-------------------------------

commit ccd1acdf1c49b835504b235461fd24e2ed826764
Author: Luis Henriques <lhenriques@suse.de>
Date:   Thu Nov 12 11:25:32 2020 +0000

    ceph: downgrade warning from mdsmap decode to debug
    
    While the MDS cluster is unstable and changing state the client may get
    mdsmap updates that will trigger warnings:
    
      [144692.478400] ceph: mdsmap_decode got incorrect state(up:standby-replay)
      [144697.489552] ceph: mdsmap_decode got incorrect state(up:standby-replay)
      [144697.489580] ceph: mdsmap_decode got incorrect state(up:standby-replay)
    
    This patch downgrades these warnings to debug, as they may flood the logs
    if the cluster is unstable for a while.
    
    Signed-off-by: Luis Henriques <lhenriques@suse.de>
    Reviewed-by: Jeff Layton <jlayton@kernel.org>
    Signed-off-by: Ilya Dryomov <idryomov@gmail.com>


Thanks!
-- 
Jeff Layton <jlayton@kernel.org>

Re: ceph: downgrade warning from mdsmap decode to debug

[Greg KH]

On Wed, Feb 24, 2021 at 11:32:47AM -0500, Jeff Layton wrote:
> Hi, we'd like to request that you pull this commit into stable kernels. 
> It's a trivial patch that just downgrades a (harmless) kernel warning
> message to debug level. The warning can be very chatty in some
> situations, and it'd be nice to silence it.
> 
> -----------------------------8<-------------------------------
> 
> commit ccd1acdf1c49b835504b235461fd24e2ed826764
> Author: Luis Henriques <lhenriques@suse.de>
> Date:   Thu Nov 12 11:25:32 2020 +0000
> 
>     ceph: downgrade warning from mdsmap decode to debug
>     
>     While the MDS cluster is unstable and changing state the client may get
>     mdsmap updates that will trigger warnings:
>     
>       [144692.478400] ceph: mdsmap_decode got incorrect state(up:standby-replay)
>       [144697.489552] ceph: mdsmap_decode got incorrect state(up:standby-replay)
>       [144697.489580] ceph: mdsmap_decode got incorrect state(up:standby-replay)
>     
>     This patch downgrades these warnings to debug, as they may flood the logs
>     if the cluster is unstable for a while.
>     
>     Signed-off-by: Luis Henriques <lhenriques@suse.de>
>     Reviewed-by: Jeff Layton <jlayton@kernel.org>
>     Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
> 
> 

Queued up to 5.10.y as that was the only place it would apply to.  If
you want it in other kernel tree(s), please let me know.

thanks,

greg k-h