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| author | Ming Lei <ming.lei@redhat.com> | 2018-06-02 15:18:09 +0800 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2018-06-02 20:35:00 -0600 |
| commit | 32a50fabb334b2f0725de84bf248bd8c24c22b05 (patch) | |
| tree | 89553605d21f60fb213d20b5137bb19169bc333f | |
| parent | cd4a4ae4683dc2e09380118e205e057896dcda2b (diff) | |
| download | linux-stable-32a50fabb334b2f0725de84bf248bd8c24c22b05.tar.gz linux-stable-32a50fabb334b2f0725de84bf248bd8c24c22b05.tar.bz2 linux-stable-32a50fabb334b2f0725de84bf248bd8c24c22b05.zip | |
blk-mq: update nr_requests when switching to 'none' scheduler
Now we setup q->nr_requests when switching to one new scheduler,
but not do it for 'none', then q->nr_requests may not be correct
for 'none'.
This patch fixes this issue by always updating 'nr_requests' when
switching to 'none'.
Cc: Marco Patalano <mpatalan@redhat.com>
Cc: "Ewan D. Milne" <emilne@redhat.com>
Signed-off-by: Ming Lei <ming.lei@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | block/blk-mq-sched.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/block/blk-mq-sched.c b/block/blk-mq-sched.c index b1f06088cee5..56c493c6cd90 100644 --- a/block/blk-mq-sched.c +++ b/block/blk-mq-sched.c @@ -585,6 +585,7 @@ int blk_mq_init_sched(struct request_queue *q, struct elevator_type *e) if (!e) { q->elevator = NULL; + q->nr_requests = q->tag_set->queue_depth; return 0; } |