From: Pavel Machek <pavel@ucw.cz>
To: Jack Wang <jinpu.wang@profitbricks.com>
Cc: NeilBrown <neilb@suse.com>, Jens Axboe <axboe@kernel.dk>,
LKML <linux-kernel@vger.kernel.org>,
Lars Ellenberg <lars.ellenberg@linbit.com>,
Kent Overstreet <kent.overstreet@gmail.com>,
Mike Snitzer <snitzer@redhat.com>,
Mikulas Patocka <mpatocka@redhat.com>
Subject: Re: [PATCH] blk: improve order of bio handling in generic_make_request()
Date: Tue, 7 Mar 2017 16:46:52 +0100 [thread overview]
Message-ID: <20170307154652.GA8515@amd> (raw)
In-Reply-To: <3f261bbe-dcec-db4b-947c-357a5b86a515@profitbricks.com>
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On Mon 2017-03-06 10:43:59, Jack Wang wrote:
>
>
> On 06.03.2017 05:40, NeilBrown wrote:
> > On Fri, Mar 03 2017, Jack Wang wrote:
> >>
> >> Thanks Neil for pushing the fix.
> >>
> >> We can optimize generic_make_request a little bit:
> >> - assign bio_list struct hold directly instead init and merge
> >> - remove duplicate code
> >>
> >> I think better to squash into your fix.
> >
> > Hi Jack,
> > I don't object to your changes, but I'd like to see a response from
> > Jens first.
> > My preference would be to get the original patch in, then other changes
> > that build on it, such as this one, can be added. Until the core
> > changes lands, any other work is pointless.
> >
> > Of course if Jens wants a this merged before he'll apply it, I'll
> > happily do that.
> >
> > Thanks,
> > NeilBrown
>
> Hi Neil,
>
> Totally agree, let's wait for Jens's decision.
>
> Hi Jens,
>
> Please consider this fix also for stable 4.3+
Stable? We don't put this into stable, with exception of minimal fixes
for real bugs...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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next prev parent reply other threads:[~2017-03-07 15:47 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-03-03 5:14 [PATCH] blk: improve order of bio handling in generic_make_request() NeilBrown
2017-03-03 9:28 ` Jack Wang
2017-03-06 4:40 ` NeilBrown
2017-03-06 9:43 ` Jack Wang
2017-03-07 15:46 ` Pavel Machek [this message]
2017-03-07 15:53 ` Jack Wang
2017-03-07 16:21 ` Jens Axboe
2017-03-06 20:18 ` Jens Axboe
2017-03-07 8:49 ` Jack Wang
2017-03-07 16:52 ` Mike Snitzer
2017-03-07 17:05 ` Jens Axboe
2017-03-07 17:14 ` Mike Snitzer
2017-03-07 20:29 ` NeilBrown
2017-03-07 23:01 ` Mike Snitzer
2017-03-08 16:40 ` Mikulas Patocka
2017-03-08 17:15 ` Lars Ellenberg
2017-03-09 6:08 ` NeilBrown
2017-03-08 11:46 ` Lars Ellenberg
2017-03-07 20:38 ` [PATCH v2] " NeilBrown
2017-03-10 4:32 ` NeilBrown
2017-03-10 4:33 ` [PATCH 1/5 v3] " NeilBrown
2017-03-10 4:34 ` [PATCH 2/5] blk: remove bio_set arg from blk_queue_split() NeilBrown
2017-03-10 4:35 ` [PATCH 3/5] blk: make the bioset rescue_workqueue optional NeilBrown
2017-03-10 4:36 ` [PATCH 4/5] blk: use non-rescuing bioset for q->bio_split NeilBrown
2017-03-10 4:37 ` [PATCH 5/5] block_dev: make blkdev_dio_pool a non-rescuing bioset NeilBrown
2017-03-10 4:38 ` [PATCH v2] blk: improve order of bio handling in generic_make_request() Jens Axboe
2017-03-10 4:40 ` Jens Axboe
2017-03-10 5:19 ` NeilBrown
2017-03-10 12:34 ` Lars Ellenberg
2017-03-10 14:38 ` Mike Snitzer
2017-03-10 14:55 ` Mikulas Patocka
2017-03-10 15:07 ` Jack Wang
2017-03-10 15:35 ` Mike Snitzer
2017-03-10 18:51 ` Lars Ellenberg
2017-03-11 0:47 ` NeilBrown
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