On Thu, Jun 23 2016 at 1:36pm -0400, Kani, Toshimitsu <toshi.kani@xxxxxxx> wrote: > On Thu, 2016-06-23 at 19:31 +0300, Yigal Korman wrote: > > On Thu, Jun 23, 2016 at 2:54 AM, Toshi Kani <toshi.kani@xxxxxxx> wrote: > > > > > > > > > Currently, presence of direct_access() in block_device_operations > > > indicates support of DAX on its block device. Because > > > block_device_operations is instantiated with 'const', this DAX > > > capablity may not be enabled conditinally. > > > > > > In preparation for supporting DAX to device-mapper devices, add > > > QUEUE_FLAG_DAX to request_queue flags to advertise their DAX > > > support. This will allow to set the DAX capability based on how > > > mapped device is composed. > > > > Hi Toshi, > > This patch is very helpful! > > I think QUEUE_FLAG_DAX can also help with identifying dax devices in > > userspace. > > Perhaps you'd be willing to squash the patch below with this one or > > add it to your submission? > > Hi Yigal, > > Good idea. Mike can probably take it into his tree, but I will include it > into the series if I needed to submit v3. > > Acked-by: Toshi Kani <toshi.kani@xxxxxxx> As you can see I sent out v3 of this set. Jens will need to pick up the "block:" patches but I'll pick up the DM patches once Jens does so. -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
