From: Kemeng Shi <shikemeng@huaweicloud.com>
To: axboe@kernel.dk, dwagner@suse.de, hare@suse.de,
ming.lei@redhat.com, linux-block@vger.kernel.org,
linux-kernel@vger.kernel.org
Cc: hch@lst.de, john.garry@huawei.com, jack@suse.cz
Subject: [PATCH v2 00/13] A few bugfix and cleanup patches for blk-mq
Date: Wed, 4 Jan 2023 22:22:46 +0800 [thread overview]
Message-ID: <20230104142259.2673013-1-shikemeng@huaweicloud.com> (raw)
Hi, this series contain several bugfix patches to fix potential io
hung and a few cleanup patches to remove stale codes and unnecessary
check. Most changes are in request issue and dispatch path. Thanks.
---
V2:
-Thanks Christoph for review and there are two fixes in v2 according
to recommends from Christoph.
1)Avoid overly long line in patch "blk-mq: avoid sleep in
blk_mq_alloc_request_hctx"
2)Check BLK_MQ_REQ_NOWAIT and BLK_MQ_REQ_RESERVED in two WARN_ON_ONCE
---
Kemeng Shi (13):
blk-mq: avoid sleep in blk_mq_alloc_request_hctx
blk-mq: remove stale comment for blk_mq_sched_mark_restart_hctx
blk-mq: wait on correct sbitmap_queue in blk_mq_mark_tag_wait
blk-mq: Fix potential io hung for shared sbitmap per tagset
blk-mq: remove unnecessary list_empty check in
blk_mq_try_issue_list_directly
blk-mq: remove unncessary error count and flush in
blk_mq_plug_issue_direct
blk-mq: remove error count and unncessary flush in
blk_mq_try_issue_list_directly
blk-mq: simplify flush check in blk_mq_dispatch_rq_list
blk-mq: remove unnecessary error count and check in
blk_mq_dispatch_rq_list
blk-mq: remove set of bd->last when get driver tag for next request
fails
blk-mq: remove unncessary from_schedule parameter in
blk_mq_plug_issue_direct
blk-mq: use switch/case to improve readability in
blk_mq_try_issue_list_directly
blk-mq: correct stale comment of .get_budget
block/blk-mq-sched.c | 7 ++-
block/blk-mq.c | 105 +++++++++++++++++++------------------------
2 files changed, 48 insertions(+), 64 deletions(-)
--
2.30.0
next reply other threads:[~2023-01-04 6:24 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-04 14:22 Kemeng Shi [this message]
2023-01-04 14:22 ` [PATCH v2 01/13] blk-mq: avoid sleep in blk_mq_alloc_request_hctx Kemeng Shi
2023-01-08 17:55 ` Christoph Hellwig
2023-01-04 14:22 ` [PATCH v2 02/13] blk-mq: remove stale comment for blk_mq_sched_mark_restart_hctx Kemeng Shi
2023-01-08 17:55 ` Christoph Hellwig
2023-01-04 14:22 ` [PATCH v2 03/13] blk-mq: wait on correct sbitmap_queue in blk_mq_mark_tag_wait Kemeng Shi
2023-01-08 17:55 ` Christoph Hellwig
2023-01-04 14:22 ` [PATCH v2 04/13] blk-mq: Fix potential io hung for shared sbitmap per tagset Kemeng Shi
2023-01-04 14:22 ` [PATCH v2 05/13] blk-mq: remove unnecessary list_empty check in blk_mq_try_issue_list_directly Kemeng Shi
2023-01-08 17:56 ` Christoph Hellwig
2023-01-04 14:22 ` [PATCH v2 06/13] blk-mq: remove unncessary error count and flush in blk_mq_plug_issue_direct Kemeng Shi
2023-01-08 18:02 ` Christoph Hellwig
2023-01-04 14:22 ` [PATCH v2 07/13] blk-mq: remove error count and unncessary flush in blk_mq_try_issue_list_directly Kemeng Shi
2023-01-08 18:03 ` Christoph Hellwig
2023-01-04 14:22 ` [PATCH v2 08/13] blk-mq: simplify flush check in blk_mq_dispatch_rq_list Kemeng Shi
2023-01-08 18:06 ` Christoph Hellwig
2023-01-09 2:27 ` Kemeng Shi
2023-01-10 8:09 ` Christoph Hellwig
2023-01-10 12:35 ` Kemeng Shi
2023-01-04 14:22 ` [PATCH v2 09/13] blk-mq: remove unnecessary error count and " Kemeng Shi
2023-01-04 14:22 ` [PATCH v2 10/13] blk-mq: remove set of bd->last when get driver tag for next request fails Kemeng Shi
2023-01-04 14:22 ` [PATCH v2 11/13] blk-mq: remove unncessary from_schedule parameter in blk_mq_plug_issue_direct Kemeng Shi
2023-01-08 18:06 ` Christoph Hellwig
2023-01-04 14:22 ` [PATCH v2 12/13] blk-mq: use switch/case to improve readability in blk_mq_try_issue_list_directly Kemeng Shi
2023-01-04 14:22 ` [PATCH v2 13/13] blk-mq: correct stale comment of .get_budget Kemeng Shi
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