On Sun, 2011-03-06 at 21:22 -0700, Andrew Patterson wrote: > On Sun, 2011-03-06 at 17:47 +1100, NeilBrown wrote: > > Would you be uncomfortable if I asked Linus to revert both my fix and your > > original patch?? > > James Bottomley wanted me to put this functionality in. I have no > problem with reverting it myself, especially if it is causing other > problems. I would have to say that you need to ask him (or rather, I am > not qualified to render an opinion here). So it seems we have a couple of problems: the first being that flush_disk() doesn't actually do what it says (flush the disk). If it's just discarding all data, dirty or clean, then its use in the grow/shrink interface is definitely wrong. The idea is that before we complete the grow/shrink, we make sure that the device doesn't have any errors, so we want to try to write out all dirty buffers to make sure they still have a home. If flush_disk() doesn't do that, then we need to use a different interface ... what's the interface to flush a disk? James -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
