Hi. On Thursday 27 September 2007 16:33:54 Huang, Ying wrote: > On Wed, 2007-09-26 at 16:30 -0400, Joseph Fannin wrote: > > But, in my ignorance, I'm not sure even fixing the ext3 bug will > > guarantee you consistent metadata so that you can handle a > > swap/hibernate file. You can do a sync(), but how do you make that > > not race against running processes without the freezer, or blkdev > > snapshots? > > > > I guess uswsusp and the-patch-previously-known-as-suspend2 handle > > this somehow, though. > > The image-writing kernel of kexec based hibernation run in a controlled > way. It is not used by normal user, so only really necessary process > need to be run. For example, it is possible that there is only one user > process -- the image-writing process running in image-writing kernel. > So, no freezer or blkdev snapshot is needed. You're thinking of the wrong kernel - we were talking about prior to switching to the kexec'd kernel while suspending. Regards, Nigel -- See http://www.tuxonice.net for Howtos, FAQs, mailing lists, wiki and bugzilla info. _______________________________________________ linux-pm mailing list linux-pm@xxxxxxxxxxxxxxxxxxxxxxxxxx https://lists.linux-foundation.org/mailman/listinfo/linux-pm
