From: "Martin K. Petersen" Subject: Re: [RFC PATCH 1/2] bdi: Create a flag to indicate that a backing device needs stable page writes Date: Tue, 30 Oct 2012 00:10:22 -0400 Message-ID: References: <20121026101909.GB19617@blackbox.djwong.org> <20121027013524.GA19591@blackbox.djwong.org> Mime-Version: 1.0 Content-Type: text/plain Cc: "Theodore Ts'o" , linux-ext4 , linux-fsdevel To: "Darrick J. Wong" Return-path: In-Reply-To: <20121027013524.GA19591@blackbox.djwong.org> (Darrick J. Wong's message of "Fri, 26 Oct 2012 18:35:24 -0700") Sender: linux-fsdevel-owner@vger.kernel.org List-Id: linux-ext4.vger.kernel.org >>>>> "Darrick" == Darrick J Wong writes: Darrick> This creates BDI_CAP_STABLE_WRITES, which indicates that a Darrick> device requires stable page writes. It also plumbs in a sysfs Darrick> attribute so that admins can check the device status. Might be nice to make the sysfs knob tweakable. Also, don't forget to add a suitable blurb to Documentation/ABI/. Feel free to add my Acked-by: -- Martin K. Petersen Oracle Linux Engineering