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authorTejun Heo <tj@kernel.org>2018-01-09 08:29:53 -0800
committerJens Axboe <axboe@kernel.dk>2018-01-09 09:31:15 -0700
commit05707b64aed8f5f1674b25334fb720d651459d5e (patch)
tree121598221971a290944d767f97ef83486b79fc88 /block/blk-mq.c
parent5a61c36398d0626bad377a7f5b9391b21e16e91d (diff)
downloadlinux-05707b64aed8f5f1674b25334fb720d651459d5e.tar.bz2
blk-mq: rename blk_mq_hw_ctx->queue_rq_srcu to ->srcu
The RCU protection has been expanded to cover both queueing and completion paths making ->queue_rq_srcu a misnomer. Rename it to ->srcu as suggested by Bart. Signed-off-by: Tejun Heo <tj@kernel.org> Cc: Bart Van Assche <Bart.VanAssche@wdc.com> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq.c')
-rw-r--r--block/blk-mq.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c
index 275812909d77..0269d44d512e 100644
--- a/block/blk-mq.c
+++ b/block/blk-mq.c
@@ -219,7 +219,7 @@ void blk_mq_quiesce_queue(struct request_queue *q)
queue_for_each_hw_ctx(q, hctx, i) {
if (hctx->flags & BLK_MQ_F_BLOCKING)
- synchronize_srcu(hctx->queue_rq_srcu);
+ synchronize_srcu(hctx->srcu);
else
rcu = true;
}
@@ -564,7 +564,7 @@ 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);
+ srcu_read_unlock(hctx->srcu, srcu_idx);
}
static void hctx_lock(struct blk_mq_hw_ctx *hctx, int *srcu_idx)
@@ -572,7 +572,7 @@ static void hctx_lock(struct blk_mq_hw_ctx *hctx, int *srcu_idx)
if (!(hctx->flags & BLK_MQ_F_BLOCKING))
rcu_read_lock();
else
- *srcu_idx = srcu_read_lock(hctx->queue_rq_srcu);
+ *srcu_idx = srcu_read_lock(hctx->srcu);
}
static void blk_mq_rq_update_aborted_gstate(struct request *rq, u64 gstate)
@@ -937,7 +937,7 @@ static void blk_mq_timeout_work(struct work_struct *work)
if (!(hctx->flags & BLK_MQ_F_BLOCKING))
has_rcu = true;
else
- synchronize_srcu(hctx->queue_rq_srcu);
+ synchronize_srcu(hctx->srcu);
hctx->nr_expired = 0;
}
@@ -2101,7 +2101,7 @@ static void blk_mq_exit_hctx(struct request_queue *q,
set->ops->exit_hctx(hctx, hctx_idx);
if (hctx->flags & BLK_MQ_F_BLOCKING)
- cleanup_srcu_struct(hctx->queue_rq_srcu);
+ cleanup_srcu_struct(hctx->srcu);
blk_mq_remove_cpuhp(hctx);
blk_free_flush_queue(hctx->fq);
@@ -2174,7 +2174,7 @@ static int blk_mq_init_hctx(struct request_queue *q,
goto free_fq;
if (hctx->flags & BLK_MQ_F_BLOCKING)
- init_srcu_struct(hctx->queue_rq_srcu);
+ init_srcu_struct(hctx->srcu);
blk_mq_debugfs_register_hctx(q, hctx);
@@ -2463,7 +2463,7 @@ static int blk_mq_hw_ctx_size(struct blk_mq_tag_set *tag_set)
{
int hw_ctx_size = sizeof(struct blk_mq_hw_ctx);
- BUILD_BUG_ON(ALIGN(offsetof(struct blk_mq_hw_ctx, queue_rq_srcu),
+ BUILD_BUG_ON(ALIGN(offsetof(struct blk_mq_hw_ctx, srcu),
__alignof__(struct blk_mq_hw_ctx)) !=
sizeof(struct blk_mq_hw_ctx));