From: Christoph Hellwig <hch@lst.de>
To: Shaohua Li <shli@fb.com>
Cc: linux-kernel@vger.kernel.org, axboe@fb.com, jmoyer@redhat.com,
hch@lst.de, neilb@suse.de
Subject: Re: [PATCH 1/5] blk: clean up plug
Date: Fri, 1 May 2015 19:11:26 +0200 [thread overview]
Message-ID: <20150501171126.GA16920@lst.de> (raw)
In-Reply-To: <f3bfe60a013827942790c89d658f63c920653437.1430414610.git.shli@fb.com>
On Thu, Apr 30, 2015 at 10:45:14AM -0700, Shaohua Li wrote:
> Current code looks like inner plug gets flushed with a
> blk_finish_plug(). Actually it's a nop. All requests/callbacks are added
> to current->plug, while only outmost plug is assigned to current->plug.
> So inner plug always has empty request/callback list, which makes
> blk_flush_plug_list() a nop. This tries to make the code more clear.
Looks good,
Reviewed-by: Christoph Hellwig <hch@lst.de>
next prev parent reply other threads:[~2015-05-01 17:11 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-30 17:45 [PATCH 0/5] blk plug fixes Shaohua Li
2015-04-30 17:45 ` [PATCH 1/5] blk: clean up plug Shaohua Li
2015-05-01 17:11 ` Christoph Hellwig [this message]
2015-04-30 17:45 ` [PATCH 2/5] sched: always use blk_schedule_flush_plug in io_schedule_out Shaohua Li
2015-05-01 17:14 ` Christoph Hellwig
2015-05-01 18:05 ` Shaohua Li
2015-05-01 17:42 ` Jeff Moyer
2015-05-01 18:07 ` Jeff Moyer
2015-05-01 18:28 ` Shaohua Li
2015-05-01 19:37 ` Jeff Moyer
2015-04-30 17:45 ` [PATCH 3/5] blk-mq: fix plugging in blk_sq_make_request Shaohua Li
2015-05-01 17:16 ` Christoph Hellwig
2015-05-01 17:47 ` Jeff Moyer
2015-04-30 17:45 ` [PATCH 4/5] blk-mq: do limited block plug for multiple queue case Shaohua Li
2015-05-01 20:16 ` Jeff Moyer
2015-05-04 19:40 ` Shaohua Li
2015-05-04 19:46 ` Jens Axboe
2015-05-04 20:33 ` Shaohua Li
2015-05-04 20:35 ` Jens Axboe
2015-04-30 17:45 ` [PATCH 5/5] blk-mq: make plug work for mutiple disks and queues Shaohua Li
2015-05-01 20:55 ` Jeff Moyer
2015-05-04 19:44 ` Shaohua Li
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=20150501171126.GA16920@lst.de \
--to=hch@lst.de \
--cc=axboe@fb.com \
--cc=jmoyer@redhat.com \
--cc=linux-kernel@vger.kernel.org \
--cc=neilb@suse.de \
--cc=shli@fb.com \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.