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Tue, 09 Mar 2021 12:50:19 -0800 (PST) Received: from [192.168.1.30] ([65.144.74.34]) by smtp.gmail.com with ESMTPSA id c19sm8079624ile.17.2021.03.09.12.50.19 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 09 Mar 2021 12:50:19 -0800 (PST) Subject: Re: [PATCH v2] include: Remove pagemap.h from blkdev.h To: "Matthew Wilcox (Oracle)" , Andrew Morton , linux-mm@kvack.org Cc: linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-bcache@vger.kernel.org, linux-nvdimm@lists.01.org, linux-scsi@vger.kernel.org References: <20210309195747.283796-1-willy@infradead.org> From: Jens Axboe Message-ID: Date: Tue, 9 Mar 2021 13:50:18 -0700 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: <20210309195747.283796-1-willy@infradead.org> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit X-Stat-Signature: aympzgcbz4a8if6ojx3n7a61rs8sdjcu X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 2E32DA0009E5 Received-SPF: none (kernel.dk>: No applicable sender policy available) receiver=imf23; identity=mailfrom; envelope-from=""; helo=mail-il1-f178.google.com; client-ip=209.85.166.178 X-HE-DKIM-Result: pass/pass X-HE-Tag: 1615323020-74737 X-Bogosity: Ham, tests=bogofilter, spamicity=0.000000, version=1.2.4 Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: On 3/9/21 12:57 PM, Matthew Wilcox (Oracle) wrote: > My UEK-derived config has 1030 files depending on pagemap.h before > this change. Afterwards, just 326 files need to be rebuilt when I > touch pagemap.h. I think blkdev.h is probably included too widely, > but untangling that dependency is harder and this solves my problem. > x86 allmodconfig builds, but there may be implicit include problems > on other architectures. For the block bits: Acked-by: Jens Axboe -- Jens Axboe