From: Lukas Czerner Subject: Re: [dm-devel] do not disable ext4 discards on first discard failure? [was: Re: dm snapshot: ignore discards issued to the snapshot-origin target] Date: Wed, 4 May 2011 19:35:01 +0200 (CEST) Message-ID: References: <20110413224025.GA18589@redhat.com> <20110413234854.GA19793@redhat.com> <20110426173213.GA19604@redhat.com> <20110428001912.GA14659@redhat.com> <20110428075355.GA2190@infradead.org> <20110428205935.GA24979@redhat.com> <20110429122454.GL32370@agk-dp.fab.redhat.com> <20110502081308.GC8642@agk-dp.fab.redhat.com> <20110502081925.GA11312@infradead.org> Mime-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Cc: Lukas Czerner , Christoph Hellwig , device-mapper development , Alasdair G Kergon , sandeen@redhat.com, Mike Snitzer , DarkNovaNick@gmail.com, linux-lvm@redhat.com, linux-ext4@vger.kernel.org To: "Martin K. Petersen" Return-path: Received: from mx1.redhat.com ([209.132.183.28]:51295 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754831Ab1EDRfR (ORCPT ); Wed, 4 May 2011 13:35:17 -0400 In-Reply-To: Sender: linux-ext4-owner@vger.kernel.org List-ID: On Wed, 4 May 2011, Martin K. Petersen wrote: > >>>>> "Lukas" == Lukas Czerner writes: > > Lukas> Also I am not sure why this changed discard_max_bytes from > Lukas> 4294966784 to 2147450880 in my case, that does not seem > Lukas> right...lsblk in the first place apparently overflowed. > > 2G is correct. The relevant libata patch was missing from the series I > submitted during the merge window and I don't see it in the archives. It > was at the end of the stack so I guess I had an off-by-one in my commit > range... > Ok, thanks. -Lukas