[PATCHSET,0/2] Avoid unnecessary indirect calls for bdev dio

Message ID	20211203153829.298893-1-axboe@kernel.dk (mailing list archive)
Headers	show Return-Path: <linux-block-owner@kernel.org> From: Jens Axboe <axboe@kernel.dk> To: linux-block@vger.kernel.org, linux-mm@kvack.org Subject: [PATCHSET 0/2] Avoid unnecessary indirect calls for bdev dio Date: Fri, 3 Dec 2021 08:38:27 -0700 Message-Id: <20211203153829.298893-1-axboe@kernel.dk> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk
Series	Avoid unnecessary indirect calls for bdev dio \| expand [PATCHSET,0/2] Avoid unnecessary indirect calls for bdev dio [1/2] mm: move filemap_range_needs_writeback() into header [2/2] block: move direct_IO into our own read_iter handler

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20211203153829.298893-1-axboe@kernel.dk (mailing list archive)

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From: Jens Axboe <axboe@kernel.dk>
To: linux-block@vger.kernel.org, linux-mm@kvack.org
Subject: [PATCHSET 0/2] Avoid unnecessary indirect calls for bdev dio
Date: Fri,  3 Dec 2021 08:38:27 -0700
Message-Id: <20211203153829.298893-1-axboe@kernel.dk>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

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Avoid unnecessary indirect calls for bdev dio | expand

Hi, There really is no point to going through generic_file_read_iter() only to call back into our own bdev dio handler. Move the logic into bdev/fops.c instead and avoid both a function call and an indirect function call.