From mboxrd@z Thu Jan 1 00:00:00 1970 From: Greg Kroah-Hartman Subject: Re: Backport request for bcb44433bba5 ("dm: disable DISCARD if the underlying storage no longer supports it") Date: Sun, 18 Aug 2019 20:33:05 +0200 Message-ID: <20190818183305.GA1181@kroah.com> References: <20190818155941.GA26766@eldamar.local> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Content-Disposition: inline In-Reply-To: <20190818155941.GA26766@eldamar.local> Sender: stable-owner@vger.kernel.org To: Salvatore Bonaccorso Cc: Sasha Levin , Mike Snitzer , stable@vger.kernel.org, Alasdair Kergon , dm-devel@redhat.com, Chris Hofstaedtler List-Id: dm-devel.ids On Sun, Aug 18, 2019 at 05:59:41PM +0200, Salvatore Bonaccorso wrote: > Hi > > In Debian bug https://bugs.debian.org/934331 ran into issues which > match the upstream commit bcb44433bba5 ("dm: disable DISCARD if the > underlying storage no longer supports it"). > > This commit was CC'ed to stable, but only got applied in v5.0.8 (and > later on backported by Ben Hutchings to v3.16.72). > > Mike, I have not checked how easily that would be for older stable > versions, but can the backport be considered for versions down to 4.9? > Apparently Ben did succeed with some changes needed. To 4.19 it should > apply with a small conflict in drivers/md/dm-core.h AFAICS. If someone sends the backports to the list, I will be glad to queue them up. thanks, greg k-h