On 10/26/2016 10:52 PM, Hannes Reinecke wrote:
Hmm. Can't say I like having to have two RCU structure for the same
purpose, but I guess that can't be helped.
Hello Hannes,
There are two RCU structures because of BLK_MQ_F_BLOCKING. Today only
the nbd driver sets that flag. If the nbd driver would be modified such
that it doesn't set that flag then the BLK_MQ_F_BLOCKING flag and also
queue_rq_srcu could be eliminated from the blk-mq core.
Bart.
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