From: "Theodore Y. Ts'o" Subject: Re: [PATCH v2 1/2] dax: dax_layout_busy_page() warn on !exceptional Date: Mon, 2 Jul 2018 18:15:03 -0400 Message-ID: <20180702221503.GA12830@thunk.org> References: <20180627212252.31032-1-ross.zwisler@linux.intel.com> <20180627212252.31032-2-ross.zwisler@linux.intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: Jan Kara , linux-nvdimm-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org, "Darrick J. Wong" , Dave Chinner , linux-ext4-u79uwXL29TY76Z2rM5mHXA@public.gmane.org, Christoph Hellwig To: Ross Zwisler Return-path: Content-Disposition: inline In-Reply-To: <20180627212252.31032-2-ross.zwisler-VuQAYsv1563Yd54FQh9/CA@public.gmane.org> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: linux-nvdimm-bounces-hn68Rpc1hR1g9hUCZPvPmw@public.gmane.org Sender: "Linux-nvdimm" List-Id: linux-ext4.vger.kernel.org On Wed, Jun 27, 2018 at 03:22:51PM -0600, Ross Zwisler wrote: > Inodes using DAX should only ever have exceptional entries in their page > caches. Make this clear by warning if the iteration in > dax_layout_busy_page() ever sees a non-exceptional entry, and by adding a > comment for the pagevec_release() call which only deals with struct page > pointers. > > Signed-off-by: Ross Zwisler > Reviewed-by: Jan Kara Thanks, applied (to the ext4 tree). If someone thinks they should go in via some other tree, holler. - Ted