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(unknown [109.105.118.52]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20240903054031epsmtip2ba33f3dcae49bb2ca5d941963f0c0bfc~xpW_3wd6k1824818248epsmtip2M; Tue, 3 Sep 2024 05:40:31 +0000 (GMT) From: "j.xia" To: clm@fb.com, josef@toxicpanda.com, dsterba@suse.com Cc: linux-btrfs@vger.kernel.org, "j.xia" Subject: [PATCH] fs/btrfs: Pass write-hint for buffered IO Date: Tue, 3 Sep 2024 13:40:12 +0800 Message-Id: <20240903054012.1238270-1-j.xia@samsung.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFuphk+LIzCtJLcpLzFFi42LZdlhTXfeg9Ks0g6ePOCwm9c9gt7jwo5HJ 4uaBnUwWO5etZbf4uGc1k8Wfh4YWR/+/ZbO49HgFu8XZCR9YHTg9Jja/Y/fo27KK0WP9lqss HhM2b2T1+LxJLoA1KtsmIzUxJbVIITUvOT8lMy/dVsk7ON453tTMwFDX0NLCXEkhLzE31VbJ xSdA1y0zB+geJYWyxJxSoFBAYnGxkr6dTVF+aUmqQkZ+cYmtUmpBSk6BSYFecWJucWleul5e aomVoYGBkSlQYUJ2xsl3B9kLHrJXrL/0mK2B8RBbFyMnh4SAicSbQ6dZuhi5OIQEdjNK7H6z mhkkISTwiVFi4txciMQ3RolbP94zwnQcbZnPCJHYyygx/dJMKOcro8TeEx2sIFVsAooS52b+ YQexRQTMJI5N3MwCYjML2EjcXDwZzBYWsJK40PQIbB2LgKrEu+ntYBt4BSwkZq6ZBLVNXmL/ wbPMEHFBiZMzn0DNkZdo3jqbGWSxhMA1don9DaehGlwkZixexAxhC0u8Or6FHcKWkvj8bi/U 08USzVNfs0A0NzBKNJz+BdVsLbFt/TqmLkYOoA2aEut36UOEZSWmngIJgyzmk+j9/YQJIs4r sWMejC0v8WjtDGaQVgkBUYm/qyQhwh4SPY+nskKCNFbifOsRpgmM8rOQvDMLyTuzEBYvYGRe xSiZWlCcm55abFpglJdaDo/Y5PzcTYzgZKnltYPx4YMPeocYmTgYDzFKcDArifCKf3iZJsSb klhZlVqUH19UmpNafIjRFBjGE5mlRJPzgek6ryTe0MTSwMTMzMzE0tjMUEmc93Xr3BQhgfTE ktTs1NSC1CKYPiYOTqkGpvSTJ/i9bTXDS71mFsfeK8u+3HS9UVTcQffj5dKZ8lPEZSW7DCMy P6xaExmalJ2m1F+4wyjCRV/4v2yzdflWq5lTeRK5gqWWZv5nMZqy5paP2B7diq+TkjND+R/s 8LTfdH1lpsUM3uUz/y0xcRJatmH5RKduP8Zvqx5fldw/TTfz0Oxf666vdFp4Wm6R4sctE7p4 lf5sqaj+lrs/5/yk1xs6tk112PuSr/blgizfWfP9RM+7B9xc03KuWUkv/vHkVb6cwYp5/+Xe bDCKebtE6PTGPx+3pT/yd3TIiSqb9Ux9etkaJy0Bx796FnMbdDhXVG65nJx++2rThMXLtRy2 Tnc9aegn01i7LkglY77UXCWW4oxEQy3mouJEAP8mUmwfBAAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFtrBLMWRmVeSWpSXmKPExsWy7bCSvG7AwmtpBp3nzSwm9c9gt7jwo5HJ 4uaBnUwWO5etZbf4uGc1k8Wfh4YWR/+/ZbO49HgFu8XZCR9YHTg9Jja/Y/fo27KK0WP9lqss HhM2b2T1+LxJLoA1issmJTUnsyy1SN8ugSvj5LuD7AUP2SvWX3rM1sB4iK2LkZNDQsBE4mjL fMYuRi4OIYHdjBJTeiaxQyREJa6cPQxVJCyx8t9zdoiiz4wS3290M4Mk2AQUJc7N/APWICJg JbHn5B0wm1nATuLCzy5WEFsYKH6h6RFYPYuAqsS76e2MIDavgIXEzDWTGCEWyEvsP3iWGSIu KHFy5hMWiDnyEs1bZzNPYOSbhSQ1C0lqASPTKkbJ1ILi3PTcYsMCo7zUcr3ixNzi0rx0veT8 3E2M4MDV0trBuGfVB71DjEwcjIcYJTiYlUR4YzdeTRPiTUmsrEotyo8vKs1JLT7EKM3BoiTO ++11b4qQQHpiSWp2ampBahFMlomDU6qBKWL6zElh/7g+vX34/LG//72u9gSBo15hU/qVs0p0 fycbTL23dfFFnfNdaxwW1wk/T/bRe7vWbPsJ1bUymmHSmczax/9PnrPDx1GQo6Ujq6TT+Ht0 uooXR/qmqM8zM/wZf1rbiMzZ21jbLbhI4rWNtvEVw1dZ5rxbpVrEOO2tAgO2PNLe2vrgz8cA hdV3btS6675MWXI940E397Xvx3VqnvWr//y+eLlmRcHLLbUt603vvI+o3MYrznjb8cpvlml+ axpu+T5YXsGRUOk5s9HpY4LFrW6+ZT8/tk9cfTFO7HQbZ7f3xdpJz6dHPN6z7m3V/EcZEVa7 FkmlLxFVlrG6k8kdUa+6MGNhSArP09YwJZbijERDLeai4kQASKr8hMsCAAA= X-CMS-MailID: 20240903054032epcas5p41a43b67314c727e07a049344adbca480 X-Msg-Generator: CA X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20240903054032epcas5p41a43b67314c727e07a049344adbca480 References: Commit 449813515d3e ("block, fs: Restore the per-bio/request data lifetime fields") restored write-hint support in btrfs. But that is applicable only for direct IO. This patch supports passing write-hint for buffered IO from btrfs file system to block layer by filling bi_write_hint of struct bio in alloc_new_bio(). Signed-off-by: j.xia Reviewed-by: Johannes Thumshirn --- fs/btrfs/extent_io.c | 1 + 1 file changed, 1 insertion(+) diff --git a/fs/btrfs/extent_io.c b/fs/btrfs/extent_io.c index bd1a7b2fc71a..90413ae9c0ac 100644 --- a/fs/btrfs/extent_io.c +++ b/fs/btrfs/extent_io.c @@ -702,6 +702,7 @@ static void alloc_new_bio(struct btrfs_inode *inode, bbio = btrfs_bio_alloc(BIO_MAX_VECS, bio_ctrl->opf, fs_info, bio_ctrl->end_io_func, NULL); bbio->bio.bi_iter.bi_sector = disk_bytenr >> SECTOR_SHIFT; + bbio->bio.bi_write_hint = inode->vfs_inode.i_write_hint; bbio->inode = inode; bbio->file_offset = file_offset; bio_ctrl->bbio = bbio;