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Wong" Message-ID: <20200222010955.GG24185@bombadil.infradead.org> References: <20200219210103.32400-1-willy@infradead.org> <20200219210103.32400-23-willy@infradead.org> <20200222010353.GI9506@magnolia> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20200222010353.GI9506@magnolia> X-Headers-End: 1j5JIx-0007XP-Vw Subject: Re: [f2fs-dev] [PATCH v7 22/24] iomap: Convert from readpages to readahead X-BeenThere: linux-f2fs-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: linux-xfs@vger.kernel.org, linux-kernel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-mm@kvack.org, ocfs2-devel@oss.oracle.com, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-erofs@lists.ozlabs.org, linux-btrfs@vger.kernel.org Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: linux-f2fs-devel-bounces@lists.sourceforge.net On Fri, Feb 21, 2020 at 05:03:53PM -0800, Darrick J. Wong wrote: > On Wed, Feb 19, 2020 at 01:01:01PM -0800, Matthew Wilcox wrote: > > From: "Matthew Wilcox (Oracle)" > > > > Use the new readahead operation in iomap. Convert XFS and ZoneFS to > > use it. > > > > Signed-off-by: Matthew Wilcox (Oracle) > > Ok... so from what I saw in the mm patches, this series changes > readahead to shove the locked pages into the page cache before calling > the filesystem's ->readahead function. Therefore, this (and the > previous patch) are more or less just getting rid of all the iomap > machinery to put pages in the cache and instead pulling them out of the > mapping prior to submitting a read bio? Correct. > Reviewed-by: Darrick J. Wong Thanks! _______________________________________________ Linux-f2fs-devel mailing list Linux-f2fs-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/linux-f2fs-devel