On Fri, May 25, 2012 at 3:13 PM, Rafael J. Wysocki <rjw@xxxxxxx> wrote: > On Friday, May 25, 2012, Josh Boyer wrote: >> On Fri, Feb 17, 2012 at 3:59 PM, Rafael J. Wysocki <rjw@xxxxxxx> wrote: >> >> commit b94887bbc0621e1e8402e7f0ec4bc3adf46c9a6e >> >> Author: Rafael J. Wysocki <rjw@xxxxxxx> >> >> Date: Fri Feb 17 12:42:08 2012 -0500 >> >> >> >> 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 >> >> and/or initrd causing it to become inconsistent with the information >> >> stored in the hibernation image. >> >> >> >> The user-space-driven hibernation (s2disk) is not covered by this >> >> change, because the freezing of filesystems prevents s2disk from >> >> accessing device special files it needs to do its job. >> >> >> >> This change is based on earlier work by Nigel Cunningham. >> >> >> >> Signed-off-by: Rafael J. Wysocki <rjw@xxxxxxx> >> >> >> >> Rebased to 3.3-rc3 by Josh Boyer <jwboyer@xxxxxxxxxx> >> >> Did this patch ever wind up going anywhere? Fedora has it sitting in >> our tree with a comment that says "rebase" and I don't see it in the >> linux-next tree at all. >> >> Did if fall through the cracks or was it NAKed somewhere? > > No, it wasn't in principle. There were some comments I haven't addressed yet. Dredging up a really old thread, sorry. We're still carrying this patch along in Fedora. Should we drop it at this point, or is it still eventually going to head upstream? josh -- To unsubscribe from this list: send the line "unsubscribe linux-fsdevel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
