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b=PoG50HzSd9Sqa3seuCovhxqh1ZZj1r8rRM7hqMVC1Pzrs/Mo8xn s2FvS3V47vL7XwXAfrvFNgGFN1/MXXWe6cQDyUrs+uLkmyMiu1ovYiEFYowQ7TUT wfa4tqt19MVPZuqNtDeGKyc7ne+kGMaZwH8cyCYGntsekO4jGotJoRJD6DLiPGwu os4aw6OxIJRE6l+V9kLg+RXaflepH+nb+xTPHi+u7Tkml5O8gOxvKnBM17WRQIbv mQdVhvyFEVMsEnqG8QNoHfx3vNLFW7ITiVKbEkKnZMEik4uxC9t7Y7t1oltQZe94 VoGnC9Q9Nzo4gA9ee6x9ZTsaAiXIUcMppRw== X-Virus-Scanned: amavisd-new at usg-ed-osssrv.wdc.com Received: from usg-ed-osssrv.wdc.com ([127.0.0.1]) by usg-ed-osssrv.wdc.com (usg-ed-osssrv.wdc.com [127.0.0.1]) (amavisd-new, port 10026) with ESMTP id QIPPc4d73Sjw for ; Wed, 29 Mar 2023 16:30:32 -0700 (PDT) Received: from [10.225.163.116] (unknown [10.225.163.116]) by usg-ed-osssrv.wdc.com (Postfix) with ESMTPSA id 4Pn2pt0C0hz1RtVm; Wed, 29 Mar 2023 16:30:29 -0700 (PDT) Message-ID: <4e4aa0e7-f222-f269-1b5c-1abb3a7179e7@opensource.wdc.com> Date: Thu, 30 Mar 2023 08:30:28 +0900 MIME-Version: 1.0 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101 Thunderbird/102.9.0 Subject: Re: [PATCH 03/19] dm: dm-zoned: use __bio_add_page for adding single metadata page Content-Language: en-US To: Johannes Thumshirn , Jens Axboe Cc: Christoph Hellwig , Hannes Reinecke , Chaitanya Kulkarni , Ming Lei , linux-block@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-mm@kvack.org, dm-devel@redhat.com, Song Liu , linux-raid@vger.kernel.org, Mike Snitzer , Matthew Wilcox , Dave Kleikamp , jfs-discussion@lists.sourceforge.net, cluster-devel@redhat.com, Bob Peterson , Andreas Gruenbacher , David Sterba , linux-btrfs@vger.kernel.org References: <4a2c46dc0e217a9fb6b9f32d460498a5feb8b67b.1680108414.git.johannes.thumshirn@wdc.com> From: Damien Le Moal Organization: Western Digital Research In-Reply-To: <4a2c46dc0e217a9fb6b9f32d460498a5feb8b67b.1680108414.git.johannes.thumshirn@wdc.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit X-Rspamd-Server: rspam05 X-Rspamd-Queue-Id: E47FE4000D X-Stat-Signature: hocqemk9fjy67jaqst1xy9pokp69jkks X-Rspam-User: X-HE-Tag: 1680132635-366650 X-HE-Meta: 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 tpu4pdPh 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 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 3/30/23 02:05, Johannes Thumshirn wrote: > dm-zoned uses bio_add_page() for adding a single page to a freshly created > metadata bio. > > Use __bio_add_page() instead as adding a single page to a new bio is > always guaranteed to succeed. > > This brings us a step closer to marking bio_add_page() __must_check > > Signed-off-by: Johannes Thumshirn Reviewed-by: Damien Le Moal -- Damien Le Moal Western Digital Research