[PATCH 1/8] blk-mq: move hctx lock/unlock into a helper

From: Jens Axboe Move the RCU vs SRCU logic into lock/unlock helpers, which makes the actual functional bits within the locked region much easier to read. tj: Reordered in front of timeout revamp patches and added the missing blk_mq_run_hw_queue() conversion.

Re: [PATCH 1/8] blk-mq: move hctx lock/unlock into a helper

On Mon, 2018-01-08 at 11:15 -0800, Tejun Heo wrote: > +static void hctx_unlock(struct blk_mq_hw_ctx *hctx, int srcu_idx) > +{ > + if (!(hctx->flags & BLK_MQ_F_BLOCKING)) > + rcu_read_unlock(); > + else > + srcu_read_unlock(hctx->queue_rq_srcu, srcu_idx); > +} > + >

[PATCH 1/8] blk-mq: move hctx lock/unlock into a helper

From: Jens Axboe Move the RCU vs SRCU logic into lock/unlock helpers, which makes the actual functional bits within the locked region much easier to read. tj: Reordered in front of timeout revamp patches and added the missing blk_mq_run_hw_queue() conversion.