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

Hannes Reinecke hare at suse.de
Mon Jun 6 08:14:40 CEST 2016

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>


Dr. Hannes Reinecke		   Teamlead Storage & Networking
hare at suse.de			               +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
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