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[72.28.8.195]) by smtp.gmail.com with ESMTPSA id c14sm13621716qko.29.2020.11.24.10.03.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 24 Nov 2020 10:03:59 -0800 (PST) Date: Tue, 24 Nov 2020 13:03:36 -0500 From: Tejun Heo To: Christoph Hellwig Message-ID: References: <20201124132751.3747337-1-hch@lst.de> <20201124132751.3747337-22-hch@lst.de> MIME-Version: 1.0 In-Reply-To: <20201124132751.3747337-22-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 10.11.54.6 X-loop: dm-devel@redhat.com Cc: Jens Axboe , Jan Kara , Mike Snitzer , Konrad Rzeszutek Wilk , Greg Kroah-Hartman , Jan Kara , Josef Bacik , Coly Li , linux-block@vger.kernel.org, Richard Weinberger , dm-devel@redhat.com, linux-mtd@lists.infradead.org, Johannes Thumshirn , linux-fsdevel@vger.kernel.org, xen-devel@lists.xenproject.org, linux-bcache@vger.kernel.org, linux-mm@kvack.org Subject: Re: [dm-devel] [PATCH 21/45] block: refactor blkdev_get 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 10.5.11.22 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-Disposition: inline Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit On Tue, Nov 24, 2020 at 02:27:27PM +0100, Christoph Hellwig wrote: > Move more code that is only run on the outer open but not the open of > the underlying whole device when opening a partition into blkdev_get, > which leads to a much easier to follow structure. > > This allows to simplify the disk and module refcounting so that one > reference is held for each open, similar to what we do with normal > file operations. > > Signed-off-by: Christoph Hellwig Acked-by: Tejun Heo Thanks. -- tejun -- dm-devel mailing list dm-devel@redhat.com https://www.redhat.com/mailman/listinfo/dm-devel