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Tue, 27 Jul 2021 18:31:34 -0700 (PDT) To: Christoph Hellwig , Thomas Gleixner References: <20210727055646.118787-1-hch@lst.de> From: Jens Axboe Message-ID: Date: Tue, 27 Jul 2021 19:31:30 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <20210727055646.118787-1-hch@lst.de> X-Mimecast-Impersonation-Protect: Policy=CLT - Impersonation Protection Definition; Similar Internal Domain=false; Similar Monitored External Domain=false; Custom External Domain=false; Mimecast External Domain=false; Newly Observed Domain=false; Internal User Name=false; Custom Display Name List=false; Reply-to Address Mismatch=false; Targeted Threat Dictionary=false; Mimecast Threat Dictionary=false; Custom Threat Dictionary=false X-Scanned-By: MIMEDefang 2.78 on 10.11.54.4 X-loop: dm-devel@redhat.com Cc: linux-arch@vger.kernel.org, linux-block@vger.kernel.org, Thomas Bogendoerfer , Mike Snitzer , Geoff Levand , linuxppc-dev@lists.ozlabs.org, ceph-devel@vger.kernel.org, linux-mips@vger.kernel.org, Dongsheng Yang , linux-kernel@vger.kernel.org, "James E.J. Bottomley" , dm-devel@redhat.com, Andrew Morton , Ira Weiny , Ilya Dryomov Subject: Re: [dm-devel] switch the block layer to use kmap_local_page v3 X-BeenThere: dm-devel@redhat.com X-Mailman-Version: 2.1.12 Precedence: junk List-Id: device-mapper development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=dm-devel-bounces@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Language: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On 7/26/21 11:56 PM, Christoph Hellwig wrote: > Hi all, > > this series switches the core block layer code and all users of the > existing bvec kmap helpers to use kmap_local_page. Drivers that > currently use open coded kmap_atomic calls will converted in a follow > on series. > > To do so a new kunmap variant is added that calls > flush_kernel_dcache_page. I'm not entirely sure where to call > flush_dcache_page vs flush_kernel_dcache_page, so I've tried to follow > the documentation here, but additional feedback would be welcome. > > Note that the ps3disk has a minir conflict with the > flush_kernel_dcache_page removal in linux-next through the -mm tree. > I had hoped that change would go into 5.14, but it seems like it is > being held for 5.15. Applied for 5.15, thanks. -- Jens Axboe -- dm-devel mailing list dm-devel@redhat.com https://listman.redhat.com/mailman/listinfo/dm-devel