[dm-devel] [PATCH 13/13] dm, dm-mpath: Make it easier to detect unintended I/O request flushes

[Hannes Reinecke]

On 04/26/2017 08:37 PM, Bart Van Assche wrote:
> I/O errors triggered by multipathd incorrectly not enabling the
> no-flush flag for DM_DEVICE_SUSPEND or DM_DEVICE_RESUME are hard to
> debug. Add more logging to make it easier to debug this.
> 
> Signed-off-by: Bart Van Assche <bart.vanassche at sandisk.com>
> Cc: Hannes Reinecke <hare at suse.com>
> ---
>  drivers/md/dm-mpath.c | 25 +++++++++++++++++++++----
>  drivers/md/dm.c       |  3 +++
>  2 files changed, 24 insertions(+), 4 deletions(-)
> 
Reviewed-by: Hannes Reinecke <hare at suse.com>

Cheers,

Hannes
-- 
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