Messages in this thread | | | Date | Mon, 19 Aug 2013 10:18:39 +0100 | From | "Richard W.M. Jones" <> | Subject | Re: [PATCH] um: ubd: Add REQ_FLUSH suppport |
| |
On Sun, Aug 18, 2013 at 12:09:34AM +0200, Richard Weinberger wrote: > UML's block device driver does not support write barriers, > to support this this patch adds REQ_FLUSH suppport. > Every time the block layer sends a REQ_FLUSH we fsync() now > our backing file to guarantee data consistency.
This fixes the sync problem I saw before. So:
Tested-by: Richard W.M. Jones <rjones@redhat.com>
Rich.
-- Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones virt-p2v converts physical machines to virtual machines. Boot with a live CD or over the network (PXE) and turn machines into KVM guests. http://libguestfs.org/virt-v2v
| |