[PATCH 05/45] block, drivers, cgroup: use op_is_write helper instead of checking for REQ_WRITE

[Hannes Reinecke]

On 06/05/2016 09:31 PM, mchristi at redhat.com wrote:
> From: Mike Christie <mchristi at redhat.com>
> 
> We currently set REQ_WRITE/WRITE for all non READ IOs
> like discard, flush, writesame, etc. In the next patches where we
> no longer set up the op as a bitmap, we will not be able to
> detect a operation direction like writesame by testing if REQ_WRITE is
> set.
> 
> This patch converts the drivers and cgroup to use the
> op_is_write helper. This should just cover the simple
> cases. I did dm, md and bcache in their own patches
> because they were more involved.
> 
> Signed-off-by: Mike Christie <mchristi at redhat.com>
> ---
Reviewed-by: Hannes Reinecke <hare at suse.com>

Cheers,

Hannes
-- 
Dr. Hannes Reinecke		   Teamlead Storage & Networking
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