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| author | Minwoo Im <minwoo.im.dev@gmail.com> | 2020-12-05 00:20:53 +0900 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-12-12 11:13:41 -0700 |
| commit | 91cdf265b74bf63a69949d6db08a60523207400c (patch) | |
| tree | 1e1faf486127067ff0357525570e7b876e6be746 /block | |
| parent | 7aa390ec2d9db0cd6677d95d0b8f307f9c086770 (diff) | |
| download | lwn-91cdf265b74bf63a69949d6db08a60523207400c.tar.gz lwn-91cdf265b74bf63a69949d6db08a60523207400c.zip | |
blk-mq: add helper allocating tagset->tags
tagset->set is allocated from blk_mq_alloc_tag_set() rather than being
reallocated. This patch added a helper to make its meaning explicitly
which is to allocate rather than to reallocate.
Signed-off-by: Minwoo Im <minwoo.im.dev@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-mq.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index 95ecc4c69969..e2bd9ef81d55 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -3382,6 +3382,12 @@ static int blk_mq_realloc_tag_set_tags(struct blk_mq_tag_set *set, return 0; } +static int blk_mq_alloc_tag_set_tags(struct blk_mq_tag_set *set, + int new_nr_hw_queues) +{ + return blk_mq_realloc_tag_set_tags(set, 0, new_nr_hw_queues); +} + /* * Alloc a tag set to be associated with one or more request queues. * May fail with EINVAL for various error conditions. May adjust the @@ -3435,7 +3441,7 @@ int blk_mq_alloc_tag_set(struct blk_mq_tag_set *set) if (set->nr_maps == 1 && set->nr_hw_queues > nr_cpu_ids) set->nr_hw_queues = nr_cpu_ids; - if (blk_mq_realloc_tag_set_tags(set, 0, set->nr_hw_queues) < 0) + if (blk_mq_alloc_tag_set_tags(set, set->nr_hw_queues) < 0) return -ENOMEM; ret = -ENOMEM; |