Quotes of the week

The Linux 2.6.35 release is also noteworthy in that it is the first Linux kernel release for which Torvalds specifically attempted to limit the number of changes made during its development to help limit the growing size and complexity of kernel updates.

So, in between snapshotting the image and actually hibernating, we have two parallel universes, one frozen in the image, the other writing that out to swap: with the danger that the latter (which is about to die) will introduce fatal inconsistencies in the former by placing pages in swap locations innocently reallocated from it. (Excuse me while I go write the movie script.)

I regret putting the ordering into the original barrier code...it definitely did help reiserfs back in the day but it stinks of magic and voodoo. When it goes wrong, we'll only notice .000000001% of the time, and even then it'll only be when people report some random corruption which we'll blindly blame on either axboe or the drive.