On Mon, Sep 29, 2008 at 09:36:04AM -0500, Eric Sandeen wrote: > Christoph Hellwig wrote: > > On Fri, Sep 26, 2008 at 05:52:35PM +0900, Takashi Sato wrote: > >> I think that your concern is that the freezer cannot recognize the occurrence > >> of a timeout and it continues the backup process and the backup data is > >> corrupted finally. > > > > What timeout should happen? the freeze ioctl must not return until the > > filesystem is a clean state and all writes are blocked. > > The suggestion was that *UN*freeze would return ETIMEDOUT if the > filesystem had already unfrozen itself, I think. That way you know that > the snapshot you just took is worthless, at least. But why would the filesystem every unfreeze itself? That defeats the whole point of freezing it. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
