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authorChristoph Hellwig <hch@lst.de>2018-11-14 17:02:04 +0100
committerJens Axboe <axboe@kernel.dk>2018-11-15 20:13:15 +0100
commit8f4236d9008b0973a8281256ccfde6913cdec6cb (patch)
treedf22388e2396b014899b7db04d0e08c303adb1da /block/blk-core.c
parentblock: make blk_try_req_merge() static (diff)
downloadlinux-8f4236d9008b0973a8281256ccfde6913cdec6cb.tar.xz
linux-8f4236d9008b0973a8281256ccfde6913cdec6cb.zip
block: remove QUEUE_FLAG_BYPASS and ->bypass
Unused since the removal of the legacy request code. Reviewed-by: Hannes Reinecke <hare@suse.com> Signed-off-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-core.c')
-rw-r--r--block/blk-core.c21
1 files changed, 0 insertions, 21 deletions
diff --git a/block/blk-core.c b/block/blk-core.c
index fdc0ad2686c4..1c9b6975cf0a 100644
--- a/block/blk-core.c
+++ b/block/blk-core.c
@@ -370,18 +370,6 @@ void blk_cleanup_queue(struct request_queue *q)
blk_set_queue_dying(q);
spin_lock_irq(lock);
- /*
- * A dying queue is permanently in bypass mode till released. Note
- * that, unlike blk_queue_bypass_start(), we aren't performing
- * synchronize_rcu() after entering bypass mode to avoid the delay
- * as some drivers create and destroy a lot of queues while
- * probing. This is still safe because blk_release_queue() will be
- * called only after the queue refcnt drops to zero and nothing,
- * RCU or not, would be traversing the queue by then.
- */
- q->bypass_depth++;
- queue_flag_set(QUEUE_FLAG_BYPASS, q);
-
queue_flag_set(QUEUE_FLAG_NOMERGES, q);
queue_flag_set(QUEUE_FLAG_NOXMERGES, q);
queue_flag_set(QUEUE_FLAG_DYING, q);
@@ -589,15 +577,6 @@ struct request_queue *blk_alloc_queue_node(gfp_t gfp_mask, int node_id,
q->queue_lock = lock ? : &q->__queue_lock;
- /*
- * A queue starts its life with bypass turned on to avoid
- * unnecessary bypass on/off overhead and nasty surprises during
- * init. The initial bypass will be finished when the queue is
- * registered by blk_register_queue().
- */
- q->bypass_depth = 1;
- queue_flag_set_unlocked(QUEUE_FLAG_BYPASS, q);
-
init_waitqueue_head(&q->mq_freeze_wq);
/*