Messages in this thread Patch in this message | | | From | Kemeng Shi <> | Subject | [PATCH 3/7] blk-mq: remove wake_batch recalculation for reserved tags | Date | Fri, 10 Feb 2023 04:11:12 +0800 |
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Commit 180dccb0dba4f ("blk-mq: fix tag_get wait task can't be awakened") added wake_batch recalculation when user number of shared tags changes to avoid hung as user number increases, then hctx_max_depth limit for a single user decreases and may trigger hung if wake_batch > hctx_max_depth is met. Commit 285008501c65a ("blk-mq: always allow reserved allocation in hctx_may_queue") removed hctx_max_depth limit to alloc reserved tags, so hctx_max_depth limit for reserved tags is not exisiting anymore so we can remove recalculation for reserved tags.
Fixes: 285008501c65 ("blk-mq: always allow reserved allocation in hctx_may_queue") Signed-off-by: Kemeng Shi <shikemeng@huaweicloud.com> --- block/blk-mq-tag.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/block/blk-mq-tag.c b/block/blk-mq-tag.c index e566fd96dc26..7f1777dc11e5 100644 --- a/block/blk-mq-tag.c +++ b/block/blk-mq-tag.c @@ -27,8 +27,6 @@ static void blk_mq_update_wake_batch(struct blk_mq_tags *tags, sbitmap_queue_recalculate_wake_batch(&tags->bitmap_tags, users); - sbitmap_queue_recalculate_wake_batch(&tags->breserved_tags, - users); } /* -- 2.30.0
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