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| author | Chengming Zhou <zhouchengming@bytedance.com> | 2023-08-21 12:56:01 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2023-08-22 17:58:05 +0300 |
| commit | 2bc4d7a355a4d617452eaf1b21d6d261194b3667 (patch) | |
| tree | 3fa91d109475be081c980297e749b3543ac9df91 /block | |
| parent | e1dd7bc93029024af5688253b0c05181d6e01f8e (diff) | |
| download | linux-2bc4d7a355a4d617452eaf1b21d6d261194b3667.tar.xz | |
blk-mq: delete redundant tagset map update when fallback
When we increase nr_hw_queues fail, the fallback path will use
blk_mq_update_queue_map() to clear and update all maps.
Obviously, this line of update of HCTX_TYPE_DEFAULT only is not
needed, so delete it.
Signed-off-by: Chengming Zhou <zhouchengming@bytedance.com>
Reviewed-by: Ming Lei <ming.lei@redhat.com>
Link: https://lore.kernel.org/r/20230821095602.70742-2-chengming.zhou@linux.dev
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'block')
| -rw-r--r-- | block/blk-mq.c | 1 |
1 files changed, 0 insertions, 1 deletions
diff --git a/block/blk-mq.c b/block/blk-mq.c index afad6d06eaf7..22397ba815ca 100644 --- a/block/blk-mq.c +++ b/block/blk-mq.c @@ -4730,7 +4730,6 @@ fallback: __blk_mq_free_map_and_rqs(set, i); set->nr_hw_queues = prev_nr_hw_queues; - blk_mq_map_queues(&set->map[HCTX_TYPE_DEFAULT]); goto fallback; } blk_mq_map_swqueue(q); |