On Mon, Jul 13 2015 at 1:01pm -0400, Milan Broz <mb...@redhat.com> wrote:
> (sorry, resending again, not sure if it was sent correctly) > > On 07/13/2015 06:33 PM, Joseph Salisbury wrote: > > Hi Milan, > > > > The Ubuntu kernel has been carrying this patch since the discussion[0] > > we were having about the bug. I don't see that patch was ever included > > in mainline. Do you happen to know if this patch is still needed or was > > the bug we were seeing fixed in some other way? > > I think it was superseded by later Mike's approach to reverse the logic > - disable write same for all targets and require to explicitly allow it. > > http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/drivers/md/dm-table.c?id=c1a94672a830e01d58c7c7e8de530c3f136d6ff2 > (+later patches) > > So I think we do no need this patch upstream anymore. > > Mike, am I right here? Yeah, a DM target needs to opt-in by setting ti->num_write_same_bios (only linear, stripe and mpath do at this time). -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/