From: "Holger Hoffstätte" <holger@applied-asynchrony.com>
To: Jens Axboe <axboe@kernel.dk>, Tejun Heo <tj@kernel.org>,
jack@suse.cz, clm@fb.com, jbacik@fb.com
Cc: kernel-team@fb.com, linux-kernel@vger.kernel.org,
linux-btrfs@vger.kernel.org, peterz@infradead.org,
jianchao.w.wang@oracle.com, Bart.VanAssche@wdc.com,
linux-block@vger.kernel.org
Subject: Re: [PATCH 2/8] blk-mq: protect completion path with RCU
Date: Tue, 9 Jan 2018 00:33:35 +0100 [thread overview]
Message-ID: <44929fcd-05eb-f67d-e9dc-14f7f6c02c72@applied-asynchrony.com> (raw)
In-Reply-To: <229f2475-733d-d20a-ccef-6f2c0c5ae7b7@applied-asynchrony.com>
On 01/09/18 00:27, Holger Hoffstätte wrote:
> On 01/08/18 23:55, Jens Axboe wrote:
>> the good old
>>
>> int srcu_idx = srcu_idx;
>>
>> should get the job done.
>
> (Narrator: It didn't.)
Narrator: we retract our previous statement and apologize for the
confusion. It works fine when you correctly replace all occurrences,
not just one. <:)
Holger
next prev parent reply other threads:[~2018-01-08 23:34 UTC|newest]
Thread overview: 32+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-01-08 19:15 [PATCHSET v4] blk-mq: reimplement timeout handling Tejun Heo
2018-01-08 19:15 ` [PATCH 1/8] blk-mq: move hctx lock/unlock into a helper Tejun Heo
2018-01-08 19:24 ` Bart Van Assche
2018-01-08 19:15 ` [PATCH 2/8] blk-mq: protect completion path with RCU Tejun Heo
2018-01-08 19:57 ` Holger Hoffstätte
2018-01-08 20:15 ` Jens Axboe
2018-01-08 22:55 ` Jens Axboe
2018-01-08 23:27 ` Holger Hoffstätte
2018-01-08 23:33 ` Holger Hoffstätte [this message]
2018-01-09 7:08 ` Hannes Reinecke
2018-01-09 15:22 ` Jens Axboe
2018-01-09 16:12 ` Bart Van Assche
2018-01-09 16:17 ` Jens Axboe
2018-01-09 16:19 ` tj
2018-01-09 16:22 ` Jens Axboe
2018-01-08 19:15 ` [PATCH 3/8] blk-mq: replace timeout synchronization with a RCU and generation based scheme Tejun Heo
2018-01-08 21:06 ` Bart Van Assche
2018-01-09 15:46 ` tj
2018-01-08 23:29 ` Bart Van Assche
2018-01-09 15:46 ` tj
2018-01-08 19:15 ` [PATCH 4/8] blk-mq: use blk_mq_rq_state() instead of testing REQ_ATOM_COMPLETE Tejun Heo
2018-01-08 22:03 ` Bart Van Assche
2018-01-08 19:15 ` [PATCH 5/8] blk-mq: make blk_abort_request() trigger timeout path Tejun Heo
2018-01-08 22:10 ` Bart Van Assche
2018-01-09 16:02 ` tj
2018-01-08 19:15 ` [PATCH 6/8] blk-mq: remove REQ_ATOM_COMPLETE usages from blk-mq Tejun Heo
2018-01-08 23:36 ` Bart Van Assche
2018-01-08 19:15 ` [PATCH 7/8] blk-mq: remove REQ_ATOM_STARTED Tejun Heo
2018-01-08 23:47 ` Bart Van Assche
2018-01-08 19:15 ` [PATCH 8/8] blk-mq: rename blk_mq_hw_ctx->queue_rq_srcu to ->srcu Tejun Heo
2018-01-08 23:48 ` Bart Van Assche
2018-01-09 16:29 [PATCHSET v5] blk-mq: reimplement timeout handling Tejun Heo
2018-01-09 16:29 ` [PATCH 2/8] blk-mq: protect completion path with RCU Tejun Heo
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