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Tue, 2 Mar 2021 16:10:04 +0000 (GMT) From: Kanchan Joshi To: axboe@kernel.dk, hch@lst.de, kbusch@kernel.org Cc: io-uring@vger.kernel.org, linux-nvme@lists.infradead.org, anuj20.g@samsung.com, javier.gonz@samsung.com, Kanchan Joshi Subject: [RFC 2/3] nvme: passthrough helper with callback Date: Tue, 2 Mar 2021 21:37:33 +0530 Message-Id: <20210302160734.99610-3-joshi.k@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210302160734.99610-1-joshi.k@samsung.com> MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprCKsWRmVeSWpSXmKPExsWy7bCmlm5csl2CQdc2OYumCX+ZLVbf7Wez WLn6KJPFu9ZzLBaP73xmtzj6/y2bxaRD1xgt5i97ym5xZcoiZgdOj8tnSz02repk89i8pN5j 980GNo++LasYPT5vkgtgi+KySUnNySxLLdK3S+DKWN/5j7XgMFfFkwWnGRsYP3F0MXJySAiY SDw4up4FxBYS2M0oMXeXWRcjF5D9iVHiy/qHzBDOZ0aJzfvfscJ0/H65hAUisYtRovnJdxa4 ql9zVjJ1MXJwsAloSlyYXArSICJgJLH/00lWkBpmgSmMEucuHmYCSQgLWEoc2weygpODRUBV 4k7jYVaQXl4BC4lVN/UhlslLzLz0nR0kzAlUfmuvGkiYV0BQ4uTMJ2BXMwOVNG+dDXaohMBf dokDd/4zQfS6SLR1rYCyhSVeHd/CDmFLSXx+t5cNwi6W+HXnKFRzB6PE9YaZLBAJe4mLe/6C /cIM9Mv6XfoQy/gken8/AQtLCPBKdLQJQVQrStyb9BQaPuISD2csgbI9JE5cXMwICZ4eRonj az6zTWCUn4Xkh1lIfpiFsG0BI/MqRsnUguLc9NRi0wLjvNRyveLE3OLSvHS95PzcTYzghKPl vYPx0YMPeocYmTgYDzFKcDArifCKv7RNEOJNSaysSi3Kjy8qzUktPsQozcGiJM67w+BBvJBA emJJanZqakFqEUyWiYNTqoHJMHvD5W9y736n/Jt4b4lJRET0x1NqhQu7LnSvffvYZZY/ewtL 7z7Vz3Un2+0nuXBvNRIOKfL3ffveWUHbbIV5w7r6OP+FP2byX1tupxAt+au9ZP3ctZtzlZRP 3a9redjSLylm+6rJ85D21Ca7E46/rv2PYWVi2p/WN2/phqR5Ji5lu6uanrb0yqyeHfCzKsS8 g0eu8BjXnQXbDs/XMb3hd//whvUr1gb8OxNw8k1UagzjAh/B2Kfy9/omv/7NHTVNmc+8ZbIf 20pb3e8Flw/qVhle8DN20nF0XWQkJuHQ0L/ukZ33oYWcs9e0T50as/9wIZP+melqX3rPxp90 5q4WZ3S3yQzuqjHSfe/KfVqJpTgj0VCLuag4EQCgSOA1pwMAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrILMWRmVeSWpSXmKPExsWy7bCSnG5ssl2Cwf2VZhZNE/4yW6y+289m sXL1USaLd63nWCwe3/nMbnH0/1s2i0mHrjFazF/2lN3iypRFzA6cHpfPlnpsWtXJ5rF5Sb3H 7psNbB59W1YxenzeJBfAFsVlk5Kak1mWWqRvl8CVsb7zH2vBYa6KJwtOMzYwfuLoYuTkkBAw kfj9cglLFyMXh5DADkaJhff+skMkxCWar/2AsoUlVv57zg5R9JFRYsfOTsYuRg4ONgFNiQuT S0FqRATMJJYeXsMCYjMLzGCU2LAsHcQWFrCUOLbvITOIzSKgKnGn8TArSCuvgIXEqpv6EOPl JWZe+s4OEuYEKr+1Vw0kLARUMXndf1YQm1dAUOLkzCdQ0+UlmrfOZp7AKDALSWoWktQCRqZV jJKpBcW56bnFhgVGeanlesWJucWleel6yfm5mxjBoa6ltYNxz6oPeocYmTgYDzFKcDArifCK v7RNEOJNSaysSi3Kjy8qzUktPsQozcGiJM57oetkvJBAemJJanZqakFqEUyWiYNTqoFJt5eN 0dZFbKfFjmu5H/Zt/Xdz/Y7ul2ZLXvOWX7rYqdPlt0jSVEWmfcuasldPTA/4syQW3r3XaSX/ 1ut6LpeVZhjr96jg+V0Ny56H3ViQJvHWoM2f/eSOks1bGzcyB6So/nHuTP9dq5on0Pl0ywzW F927DFPCl1o7Z7+POpl3z7vj8DPecwLb7Pc4GHhEVa2V9z1x+VvpqvMvpC4dlq9fsuPV++l6 6QVXK7weqz/OlzGVTV0ZUu1cXbPw9k7zhW0bRbl55r055/zzW+eilZ8/JEYb6hhur67Znvpw YiPnfaWoqD9bmd69mfJ9SnClzWZvm7K4TGWjaq94Ja7THtMWHkpfedGwxtV5c+mPuU1KLMUZ iYZazEXFiQDdz4Jc5AIAAA== X-CMS-MailID: 20210302161005epcas5p23f28fe21bab5a3e07b9b382dd2406fdc X-Msg-Generator: CA CMS-TYPE: 105P X-CMS-RootMailID: 20210302161005epcas5p23f28fe21bab5a3e07b9b382dd2406fdc References: <20210302160734.99610-1-joshi.k@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20210302_161024_538600_B6CB7FE9 X-CRM114-Status: GOOD ( 12.02 ) X-BeenThere: linux-nvme@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org This is a prep patch, so that ioctl completion can be decoupled from submission. Signed-off-by: Kanchan Joshi --- drivers/nvme/host/core.c | 13 +++++++++++-- 1 file changed, 11 insertions(+), 2 deletions(-) diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index e68a8c4ac5a6..15c9490b593f 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -1126,7 +1126,8 @@ static void nvme_passthru_end(struct nvme_ctrl *ctrl, u32 effects) } } -void nvme_execute_passthru_rq(struct request *rq) +void nvme_execute_passthru_rq_common(struct request *rq, + rq_end_io_fn *done) { struct nvme_command *cmd = nvme_req(rq)->cmd; struct nvme_ctrl *ctrl = nvme_req(rq)->ctrl; @@ -1135,9 +1136,17 @@ void nvme_execute_passthru_rq(struct request *rq) u32 effects; effects = nvme_passthru_start(ctrl, ns, cmd->common.opcode); - blk_execute_rq(disk, rq, 0); + if (!done) + blk_execute_rq(disk, rq, 0); + else + blk_execute_rq_nowait(disk, rq, 0, done); nvme_passthru_end(ctrl, effects); } + +void nvme_execute_passthru_rq(struct request *rq) +{ + return nvme_execute_passthru_rq_common(rq, NULL); +} EXPORT_SYMBOL_NS_GPL(nvme_execute_passthru_rq, NVME_TARGET_PASSTHRU); static int nvme_submit_user_cmd(struct request_queue *q, -- 2.25.1 _______________________________________________ Linux-nvme mailing list Linux-nvme@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-nvme