From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mike Snitzer Subject: Re: dm-statistics: report precise timestamps and histogram Date: Tue, 18 Aug 2015 17:41:12 -0400 Message-ID: <20150818214112.GA17757@redhat.com> References: <20150818210727.GA17473@redhat.com> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Content-Disposition: inline In-Reply-To: <20150818210727.GA17473@redhat.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: Mikulas Patocka Cc: dm-devel@redhat.com, Bryn Reeves , "Alasdair G. Kergon" List-Id: dm-devel.ids On Tue, Aug 18 2015 at 5:07pm -0400, Mike Snitzer wrote: > On Tue, Aug 18 2015 at 4:26pm -0400, > Mikulas Patocka wrote: > > > Mike, please submit this patch to the upstream kernel before 4.2 is > > released, so that the all the kernels that support the options > > "precise_timestamps" and "histogram" also report these values back. > > It is really late to be sending pull requests for 4.2 (next release is > likely 4.2 final). I've already sent 6 'fixes' pull requests to Linus > for 4.2. This patch is just too late, sorry. > > But what I will do is tag this commit for 4.2-stable inclusion. > > Userspace will have to check the DM ioctl version to know if DM provides > these extra keywords. I've staged the following for 4.3: https://git.kernel.org/cgit/linux/kernel/git/device-mapper/linux-dm.git/commit/?h=for-next&id=bd49784fd1e8f42c7600fbfa206361324857f373 Bryn, please verify this change is sufficient for your needs.