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Tue, 02 Jun 2026 18:08:49 -0700 (PDT) Received: from localhost ([212.73.77.104]) by smtp.gmail.com with UTF8SMTPSA id 5b1f17b1804b1-490b725fb1bsm11254325e9.8.2026.06.02.18.08.47 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 02 Jun 2026 18:08:49 -0700 (PDT) From: Askar Safin To: torvalds@linux-foundation.org Cc: akpm@linux-foundation.org, axboe@kernel.dk, brauner@kernel.org, david@kernel.org, dhowells@redhat.com, hch@infradead.org, jack@suse.cz, linux-api@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, miklos@szeredi.hu, netdev@vger.kernel.org, patches@lists.linux.dev, pfalcato@suse.de, safinaskar@gmail.com, viro@zeniv.linux.org.uk, willy@infradead.org Subject: Re: [PATCH 0/3] vmsplice: make vmsplice a trivial wrapper for preadv2/pwritev2 Date: Wed, 3 Jun 2026 04:08:44 +0300 Message-ID: <20260603010844.257094-1-safinaskar@gmail.com> X-Mailer: git-send-email 2.47.3 In-Reply-To: References: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Rspamd-Server: rspam02 X-Rspamd-Queue-Id: 8756A100011 X-Stat-Signature: f4m1y665chf865ffcti7haud7new9eyk X-Rspam-User: X-HE-Tag: 1780448931-19360 X-HE-Meta: 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 mWjcn3Kr Tk1/CeddY6TJETLsoreA9Lp437SB2QTudTzT2XQEH8XzYS+t6UgLMXBhJp2jlE6+wtNX17uZw3548XnkbQc21dHlLKAe5Fqr4do0C9eKs0p0OHXk7a0o6QjqznK/7m9EnqopkrvtqpTt91IyDCp8FAnYPRKE31lDZa1YiKWV0dD21J/Cd356Or2WbsNHDp0X2Rm4yE1JgbzDVfX0t722kkhwa0SVdbsoIMotUGrd0cJKKHCyP+BVVmc/JVOcXKN+7fMr5Vd4AtYHQjJlk/833qNSx1wXpfbGBMu/ADFEXrZN4h66V5+wUPo0pwcv+wAkeiUrrotV7rIXW/y7KCr5D4BBa7mfz2Nd4h6xIc1IRPspBSQ5dHo8+f1/W6xq4FocS4/2j6Q2if1TI5WsdnLsxArEpOcI9AU+ryebHtIA/xBGTKV3GzR5QHZLpKVwiL03XERSefP8GfhxBN54= Sender: owner-linux-mm@kvack.org Precedence: bulk X-Loop: owner-majordomo@kvack.org List-ID: List-Subscribe: List-Unsubscribe: Linus Torvalds : > That absolutely would be my suggested next step. > > Something like the attached - get rid of filemap_splice_read() > entirely, and just replace it with copy_splice_read(). Okay, I will post something like this soon. But I'm slow person, and also I will test things in Qemu, so this will take some days. -- Askar Safin