Messages in this thread |  | | Date | Thu, 30 Nov 2017 22:51:57 +0100 | From | Pavel Machek <> | Subject | Re: [PATCH 00/11] fs: use freeze_fs on suspend/hibernate |
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Hi!
> Proposed solution: > > Instead of fixing such semantics and trying to get all filesystems to do it > right, we can easily do away with all freezing calls if the filesystem > implements a proper freeze_fs() callback. The following 9 filesystems have > freeze_fs() implemented as such we can let the kernel issue the callback upon > suspend and thaw on resume automatically on our behalf. > > o xfs > o reiserfs > o nilfs2 > o jfs > o f2fs > o ext4 > o ext2 > o btrfs > > Of these, the following have freezer helpers, which can then be removed > after the kernel automaticaly calls freeze_fs for us on suspend: > > o xfs > o nilfs2 > o jfs > o f2fs > o ext4 > > I've tested this on a system with ext4 and XFS, and have let 0-day go at > without issues. I have branches availabe for linux-next [3] and Linus' > latest tree [4].
Was hibernation tested? uswsusp?
Pavel -- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html [unhandled content-type:application/pgp-signature] |  |