From: "Martin K. Petersen" 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, 04 May 2011 13:32:14 -0400 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 Cc: "Martin K. Petersen" , 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: Lukas Czerner Return-path: Received: from rcsinet10.oracle.com ([148.87.113.121]:41622 "EHLO rcsinet10.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753528Ab1EDRcb (ORCPT ); Wed, 4 May 2011 13:32:31 -0400 In-Reply-To: (Lukas Czerner's message of "Wed, 4 May 2011 19:10:11 +0200 (CEST)") Sender: linux-ext4-owner@vger.kernel.org List-ID: >>>>> "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... -- Martin K. Petersen Oracle Linux Engineering