On Fri, Mar 23, 2012 at 1:10 PM, Zdenek Kabelac <zkabelac@xxxxxxxxxx> wrote: > Dne 23.3.2012 12:01, Kasatkin, Dmitry napsal(a): >> Hello, >> >> When using dm-bufio and dm-io in general, how to ensure that all dirty >> buffers are written to the storage when machine reboots? >> suspend hooks could be used, but they are not called on reboot, only >> when suspending/removing the target... >> > > You mean you reboot without running 'sync' command? > > And yes - on reboot you should properly unmount devices - so you should > see removal of target on your shutdown sequence - I believe Fedora currently > tries to support switch to some shutdown ramdisk, so all filesystem and > devices might be properly unmounted and destroyed. > Hello, Thanks for response. I use bufio to store some data on block device. It is not mounted in anyway. My target just use it to load/store data. When machine reboots, I want to be sure that bufio written all dirty buffers... - Dmitry > Zdenek > > -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel