Messages in this thread | | | From | "Rafael J. Wysocki" <> | Subject | Re: [RFC][PATCH] PM / Sleep: Freeze filesystems during system suspend/hibernation | Date | Sun, 29 Jan 2012 20:53:52 +0100 |
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On Sunday, January 29, 2012, Martin Steigerwald wrote: > Am Samstag, 28. Januar 2012 schrieb Rafael J. Wysocki: > > From: Rafael J. Wysocki <rjw@sisk.pl> > > > > Freeze all filesystems during system suspend and (kernel-driven) > > hibernation by calling freeze_supers() for all superblocks and thaw > > them during the subsequent resume with the help of thaw_supers(). > > > > This makes filesystems stay in a consistent state in case something > > goes wrong between system suspend (or hibernation) and the subsequent > > resume (e.g. journal replays won't be necessary in those cases). In > > particular, this should help to solve a long-standing issue that, in > > some cases, during resume from hibernation the boot loader causes the > > journal to be replied for the filesystem containing the kernel image > > replied => replayed
Right, thanks!
Rafael
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