[dm-devel] [PATCH] dm: introduce feature bitmaps

This commit introduces feature bitmaps for dm targets and for dm core. The dm-core bitmap is returned in the ioctl field "feature_bitmap" of the ioctl DM_VERSION_CMD. The per-target bitmap is returned after the target name in the ioctls DM_LIST_VERSIONS_CMD or DM_GET_TARGET_VERSION. The bitmaps ar

Re: [dm-devel] Question about which types of dm need to support DAX

Hi All, Ping. Is there any feedback about the question? Best Regards, Xiao Yang On 2022/9/16 14:56, Yang, Xiao/杨 晓 wrote: Hi Ross, Toshi, Jeff and others After reading the kernel patches[1][2][3] about dm, I think only three types(linear, stripe and log-writes) of dm can support DAX now, rig

Re: [dm-devel] [PATCH RFC 3/8] virtio_blk: Add support for provision requests

On Thu, Sep 15, 2022 at 10:48 PM Stefan Hajnoczi wrote: > > On Thu, Sep 15, 2022 at 09:48:21AM -0700, Sarthak Kukreti wrote: > > From: Sarthak Kukreti > > > > Adds support for provision requests. Provision requests act like > > the inverse of discards. > > > > Signed-off-by: Sarthak Kukreti > >

Re: [dm-devel] [PATCH RFC 0/8] Introduce provisioning primitives for thinly provisioned storage

On Sat, Sep 17, 2022 at 12:46:33PM -0700, Sarthak Kukreti wrote: > On Fri, Sep 16, 2022 at 8:03 PM Darrick J. Wong wrote: > > > > On Thu, Sep 15, 2022 at 09:48:18AM -0700, Sarthak Kukreti wrote: > > > From: Sarthak Kukreti > > > > > > Hi, > > > > > > This patch series is an RFC of a mechanism to

Re: [dm-devel] [PATCH V2 0/6] allowing path checking to be interrupted.

On Thu, 2022-09-15 at 14:56 +0800, Wu Guanghao wrote: > Sorry for the late feedback. > > The version we are currently testing is 0.8.4, so we only merge the > first 3 patches in this series of patches. Then after the actual > test, > it was found that the effect improvement is not very obvious. >