diff options
| author |   John Garry <john.garry@huawei.com> | 2020-08-19 23:20:22 +0800 |
|---|---|---|
| committer |   Jens Axboe <axboe@kernel.dk> | 2020-09-03 15:20:46 -0600 |
| commit | 1c0706a70a64eda48477caa880657e07f5196512 (patch) | |
| tree | e9d1f5b2334c97d192dc75313f55ebc2fa1359f6 /block/blk-mq-sched.c | |
| parent | blk-mq: Free tags in blk_mq_init_tags() upon error (diff) | |
| download | linux-dev-1c0706a70a64eda48477caa880657e07f5196512.tar.xz linux-dev-1c0706a70a64eda48477caa880657e07f5196512.zip | |
blk-mq: Pass flags for tag init/free
Pass hctx/tagset flags argument down to blk_mq_init_tags() and
blk_mq_free_tags() for selective init/free.
For now, make it include the alloc policy flag, which can be evaluated
when needed (in blk_mq_init_tags()).
Signed-off-by: John Garry <john.garry@huawei.com>
Tested-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block/blk-mq-sched.c')
| -rw-r--r-- | block/blk-mq-sched.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index 501a85ceaccb..edfc8ea805bc 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -560,9 +560,11 @@ static void blk_mq_sched_free_tags(struct blk_mq_tag_set *set, struct blk_mq_hw_ctx *hctx, unsigned int hctx_idx) { + unsigned int flags = set->flags; + if (hctx->sched_tags) { blk_mq_free_rqs(set, hctx->sched_tags, hctx_idx); - blk_mq_free_rq_map(hctx->sched_tags); + blk_mq_free_rq_map(hctx->sched_tags, flags); hctx->sched_tags = NULL; } } @@ -572,10 +574,11 @@ static int blk_mq_sched_alloc_tags(struct request_queue *q, unsigned int hctx_idx) { struct blk_mq_tag_set *set = q->tag_set; + unsigned int flags = set->flags; int ret; hctx->sched_tags = blk_mq_alloc_rq_map(set, hctx_idx, q->nr_requests, - set->reserved_tags); + set->reserved_tags, flags); if (!hctx->sched_tags) return -ENOMEM; @@ -593,8 +596,10 @@ static void blk_mq_sched_tags_teardown(struct request_queue *q) int i; queue_for_each_hw_ctx(q, hctx, i) { + unsigned int flags = hctx->flags; + if (hctx->sched_tags) { - blk_mq_free_rq_map(hctx->sched_tags); + blk_mq_free_rq_map(hctx->sched_tags, flags); hctx->sched_tags = NULL; } } |