From: Pavel Machek <pavel@ucw.cz>
To: Jiri Kosina <jikos@kernel.org>
Cc: "Luis R. Rodriguez" <mcgrof@kernel.org>,
viro@zeniv.linux.org.uk, bart.vanassche@wdc.com,
ming.lei@redhat.com, tytso@mit.edu, darrick.wong@oracle.com,
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: Tue, 3 Oct 2017 22:21:21 +0200 [thread overview]
Message-ID: <20171003202121.GB23521@amd> (raw)
In-Reply-To: <nycvar.YFH.7.76.1710032213430.17517@jbgna.fhfr.qr>
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Hi!
> > Can memory management doing background writes be a problem?
>
> This point I don't understand. What exactly do you mean?
Hibernation:
We freeze, do system snapshot, unfreeze, and write image to
disk. Memory management wakes up (this used to be called bdflush),
decides its time to write some dirty data back to disk. Powerdown.
But state on the disk now does not correspond to what the image
expects. Problem?
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:[~2017-10-03 20:21 UTC|newest]
Thread overview: 74+ 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 20:02 ` Bart Van Assche
2017-10-03 20:23 ` Luis R. Rodriguez
2017-10-03 20:23 ` Luis R. Rodriguez
2017-10-03 20:32 ` Bart Van Assche
2017-10-03 20:32 ` Bart Van Assche
2017-10-03 20:32 ` Bart Van Assche
2017-10-03 20:32 ` Bart Van Assche
2017-10-03 20:39 ` Luis R. Rodriguez
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 15:25 ` Bart Van Assche
2017-10-04 15:25 ` Bart Van Assche
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
2017-10-04 1:03 ` Bart Van Assche
2017-10-04 1:03 ` Bart Van Assche
2017-11-29 23:05 ` Luis R. Rodriguez
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 [this message]
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
2017-10-06 12:54 ` Theodore Ts'o
2017-10-03 20:13 ` Bart Van Assche
2017-10-03 20:13 ` Bart Van Assche
2017-10-03 20:17 ` Jiri Kosina
2017-10-03 20:17 ` Jiri Kosina
2017-10-03 20:21 ` Bart Van Assche
2017-10-03 20:21 ` Bart Van Assche
2017-10-03 20:21 ` Bart Van Assche
2017-10-03 20:24 ` Jiri Kosina
2017-10-03 20:24 ` Jiri Kosina
2017-10-03 20:27 ` Luis R. Rodriguez
2017-10-03 20:27 ` Luis R. Rodriguez
2017-10-03 20:51 ` Jiri Kosina
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
2017-10-03 20:59 ` Bart Van Assche
2017-10-03 20:59 ` Bart Van Assche
2017-10-04 15:43 ` Ming Lei
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