Re: [PATCH v9 03/10] md: Neither resync nor reshape while the system is frozen

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On 10/17/2017 01:28 AM, Bart Van Assche wrote:
> Some people use the md driver on laptops and use the suspend and
> resume functionality. Since it is essential that submitting of
> new I/O requests stops before a hibernation image is created,
> interrupt the md resync and reshape actions if the system is
> being frozen. Note: the resync and reshape will restart after
> the system is resumed and a message similar to the following
> will appear in the system log:
> 
> md: md0: data-check interrupted.
> 
> Signed-off-by: Bart Van Assche <bart.vanassche@xxxxxxx>
> Reviewed-by: Shaohua Li <shli@xxxxxxxxxx>
> Tested-by: Martin Steigerwald <martin@xxxxxxxxxxxx>
> Cc: linux-raid@xxxxxxxxxxxxxxx
> Cc: Ming Lei <ming.lei@xxxxxxxxxx>
> Cc: Christoph Hellwig <hch@xxxxxx>
> Cc: Hannes Reinecke <hare@xxxxxxxx>
> Cc: Johannes Thumshirn <jthumshirn@xxxxxxx>
> ---
>  drivers/md/md.c | 50 +++++++++++++++++++++++++++++++++++++++++++++++++-
>  drivers/md/md.h |  8 ++++++++
>  2 files changed, 57 insertions(+), 1 deletion(-)
> 
Reviewed-by: Hannes Reinecke <hare@xxxxxxxx>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare@xxxxxxx			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
HRB 21284 (AG Nürnberg)



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