On Tue, Jul 15, 2014 at 02:33:13PM -0400, Mikulas Patocka wrote: > Hi > > I annouce that I released the first version of a patch set that makes it > possible to use SCSI XCOPY offload for the block layer and device mapper. > > The patchset is at > http://people.redhat.com/~mpatocka/patches/kernel/xcopy/series.html It > requires kernel version at least 3.16-rc4. It was tested on target-core > iSCSI implementation. Can you send the series to the mainling list(s)? That makes it a lot easier to do a quick review. > The dm-kcopyd subsystem is modified to use the XCOPY command, so device > mapper targets that use it (mirror, snapshot, thin, cache) take advantage > of copy offload automatically. That sounds good, do you have any benchmarking data that shows the advantage of using XCOPY? -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
