From: Pavel Machek <pavel@ucw.cz>
To: "Luis R. Rodriguez" <mcgrof@kernel.org>
Cc: viro@zeniv.linux.org.uk, bart.vanassche@wdc.com,
ming.lei@redhat.com, tytso@mit.edu, darrick.wong@oracle.com,
jikos@kernel.org, rjw@rjwysocki.net, len.brown@intel.com,
linux-fsdevel@vger.kernel.org, boris.ostrovsky@oracle.com,
jgross@suse.com, todd.e.brandt@linux.intel.com,
nborisov@suse.com, jack@suse.cz, martin.petersen@oracle.com,
ONeukum@suse.com, oleksandr@natalenko.name,
oleg.b.antonyan@gmail.com, linux-pm@vger.kernel.org,
linux-block@vger.kernel.org, linux-xfs@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: Re: [RFC 5/5] pm: remove kernel thread freezing
Date: Fri, 6 Oct 2017 14:07:13 +0200 [thread overview]
Message-ID: <20171006120713.GG9497@amd> (raw)
In-Reply-To: <20171003204940.GA5659@wotan.suse.de>
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On Tue 2017-10-03 22:49:40, Luis R. Rodriguez wrote:
> On Tue, Oct 03, 2017 at 10:12:04PM +0200, Pavel Machek wrote:
> > On Tue 2017-10-03 11:53:13, Luis R. Rodriguez wrote:
> > > Now that all filesystems which used to rely on kthread
> > > freezing have been converted to filesystem freeze/thawing
> > > we can remove the kernel kthread freezer.
> >
> > Are you surely-sure? You mentioned other in kernel sources of writes;
> > what about those?
>
> You perhaps did not read the cover letter, it describes this patch will very
> likely take time to *ever* apply. We must cover tons of grounds first, to
> address precisely what you say.
Yeah, I was not careful enough reading cover letter. Having series
where 1-4/5 are ready to go, and 5/5 not-good-idea for years to come
is quite confusing.
Really relevant parts of cover letter should be moved to 5/5 and it
should be clearly marked as "not for application".
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:[~2017-10-06 12:07 UTC|newest]
Thread overview: 53+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-10-03 18:53 [RFC 0/5] fs: replace kthread freezing with filesystem freeze/thaw Luis R. Rodriguez
2017-10-03 18:53 ` [RFC 1/5] fs: add iterate_supers_reverse() Luis R. Rodriguez
2017-10-03 18:53 ` [RFC 2/5] fs: freeze on suspend and thaw on resume Luis R. Rodriguez
2017-10-03 20:02 ` Bart Van Assche
2017-10-03 20:23 ` Luis R. Rodriguez
2017-10-03 20:32 ` Bart Van Assche
2017-10-03 20:39 ` Luis R. Rodriguez
2017-10-03 20:06 ` Jiri Kosina
2017-10-03 20:58 ` Dave Chinner
2017-10-03 21:16 ` Luis R. Rodriguez
2017-10-03 18:53 ` [RFC 3/5] xfs: allow fs freeze on suspend/hibernation Luis R. Rodriguez
2017-10-03 18:53 ` [RFC 4/5] ext4: add fs freezing support " Luis R. Rodriguez
2017-10-03 19:59 ` Theodore Ts'o
2017-10-03 20:13 ` Luis R. Rodriguez
2017-10-04 1:42 ` Theodore Ts'o
2017-10-04 7:05 ` Dave Chinner
2017-10-04 15:25 ` Bart Van Assche
2017-10-04 16:48 ` Theodore Ts'o
2017-10-04 22:22 ` Dave Chinner
2017-10-03 18:53 ` [RFC 5/5] pm: remove kernel thread freezing Luis R. Rodriguez
2017-10-03 18:59 ` Rafael J. Wysocki
2017-10-03 21:15 ` Rafael J. Wysocki
2017-10-04 0:47 ` Luis R. Rodriguez
2017-10-04 1:03 ` Bart Van Assche
2017-11-29 23:05 ` Luis R. Rodriguez
2017-10-04 7:18 ` Dave Chinner
2017-10-03 20:12 ` Pavel Machek
2017-10-03 20:15 ` Jiri Kosina
2017-10-03 20:21 ` Pavel Machek
2017-10-03 20:38 ` Jiri Kosina
2017-10-03 20:41 ` Rafael J. Wysocki
2017-10-03 20:57 ` Pavel Machek
2017-10-03 21:00 ` Jiri Kosina
2017-10-03 21:09 ` Shuah Khan
2017-10-03 21:18 ` Luis R. Rodriguez
2017-10-03 20:49 ` Luis R. Rodriguez
2017-10-06 12:07 ` Pavel Machek [this message]
2017-10-06 12:54 ` Theodore Ts'o
2017-10-03 20:13 ` Bart Van Assche
2017-10-03 20:17 ` Jiri Kosina
2017-10-03 20:21 ` Bart Van Assche
2017-10-03 20:24 ` Jiri Kosina
2017-10-03 20:27 ` Luis R. Rodriguez
2017-10-03 20:51 ` Jiri Kosina
2017-10-03 21:04 ` Dave Chinner
2017-10-03 21:07 ` Luis R. Rodriguez
2017-10-04 6:07 ` Hannes Reinecke
2017-10-03 19:33 ` [RFC 0/5] fs: replace kthread freezing with filesystem freeze/thaw Ming Lei
2017-10-03 20:05 ` Luis R. Rodriguez
2017-10-03 20:47 ` Matthew Wilcox
2017-10-03 20:54 ` Luis R. Rodriguez
2017-10-03 20:59 ` Bart Van Assche
2017-10-04 15:43 ` Ming Lei
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