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blk-mq: fixup some comment typos and lengths

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Various typos and/or spelling errors in comments. Fixes a few > 80 char
lines as well.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2017-11-10 22:05:12 -07:00
parent 8dc7a31fbc
commit ff821d2714
1 changed files with 10 additions and 7 deletions
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17
block/blk-mq.c
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@ -707,7 +707,7 @@ void blk_mq_add_to_requeue_list(struct request *rq, bool at_head,
/* /*
* We abuse this flag that is otherwise used by the I/O scheduler to * We abuse this flag that is otherwise used by the I/O scheduler to
* request head insertation from the workqueue. * request head insertion from the workqueue.
*/ */
BUG_ON(rq->rq_flags & RQF_SOFTBARRIER); BUG_ON(rq->rq_flags & RQF_SOFTBARRIER);
@ -1137,7 +1137,8 @@ bool blk_mq_dispatch_rq_list(struct request_queue *q, struct list_head *list,
if (ret == BLK_STS_RESOURCE) { if (ret == BLK_STS_RESOURCE) {
/* /*
* If an I/O scheduler has been configured and we got a * If an I/O scheduler has been configured and we got a
* driver tag for the next request already, free it again. * driver tag for the next request already, free it
* again.
*/ */
if (!list_empty(list)) { if (!list_empty(list)) {
nxt = list_first_entry(list, struct request, queuelist); nxt = list_first_entry(list, struct request, queuelist);
@ -2299,8 +2300,11 @@ static void blk_mq_add_queue_tag_set(struct blk_mq_tag_set *set,
mutex_lock(&set->tag_list_lock); mutex_lock(&set->tag_list_lock);
/* Check to see if we're transitioning to shared (from 1 to 2 queues). */ /*
if (!list_empty(&set->tag_list) && !(set->flags & BLK_MQ_F_TAG_SHARED)) { * Check to see if we're transitioning to shared (from 1 to 2 queues).
*/
if (!list_empty(&set->tag_list) &&
!(set->flags & BLK_MQ_F_TAG_SHARED)) {
set->flags |= BLK_MQ_F_TAG_SHARED; set->flags |= BLK_MQ_F_TAG_SHARED;
/* update existing queue */ /* update existing queue */
blk_mq_update_tag_set_depth(set, true); blk_mq_update_tag_set_depth(set, true);
@ -2532,10 +2536,9 @@ static void blk_mq_queue_reinit(struct request_queue *q)
/* /*
* redo blk_mq_init_cpu_queues and blk_mq_init_hw_queues. FIXME: maybe * redo blk_mq_init_cpu_queues and blk_mq_init_hw_queues. FIXME: maybe
* we should change hctx numa_node according to new topology (this * we should change hctx numa_node according to the new topology (this
* involves free and re-allocate memory, worthy doing?) * involves freeing and re-allocating memory, worth doing?)
*/ */
blk_mq_map_swqueue(q); blk_mq_map_swqueue(q);
blk_mq_sysfs_register(q); blk_mq_sysfs_register(q);