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. Best Regards, Huang Ying _______________________________________________ kexec mailing list [email protected] http://lists.infradead.org/mailman/listinfo/kexec
