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Fri, 30 Sep 2022 15:38:21 +0900 (KST) Received: from localhost.localdomain (unknown [107.110.206.5]) by epsmtip2.samsung.com (KnoxPortal) with ESMTPA id 20220930063819epsmtip29eabf3de3c9eec84a845550e916f145b~ZkAeFtNjb1763417634epsmtip2I; Fri, 30 Sep 2022 06:38:19 +0000 (GMT) From: Anuj Gupta To: axboe@kernel.dk, hch@lst.de, kbusch@kernel.org Cc: io-uring@vger.kernel.org, linux-nvme@lists.infradead.org, linux-block@vger.kernel.org, gost.dev@samsung.com, linux-scsi@vger.kernel.org, Kanchan Joshi Subject: [PATCH for-next v12 06/12] nvme: refactor nvme_add_user_metadata Date: Fri, 30 Sep 2022 11:57:43 +0530 Message-Id: <20220930062749.152261-7-anuj20.g@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220930062749.152261-1-anuj20.g@samsung.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprNJsWRmVeSWpSXmKPExsWy7bCmlq7OBLNkg533lSxW3+1ns7h5YCeT xcrVR5ks3rWeY7E4+v8tm8WkQ9cYLfbe0raYv+wpu0X39R1sDpwel8+Wemxa1cnmsXlJvcfu mw1sHn1bVjF6fN4kF8AWlW2TkZqYklqkkJqXnJ+SmZduq+QdHO8cb2pmYKhraGlhrqSQl5ib aqvk4hOg65aZA3SSkkJZYk4pUCggsbhYSd/Opii/tCRVISO/uMRWKbUgJafApECvODG3uDQv XS8vtcTK0MDAyBSoMCE74/SBUywF00QqPj76x9jAOFOgi5GTQ0LAROJN83a2LkYuDiGB3YwS 67fuYYJwPjFKfO5+zgrhfGOUeHzjFgtMy+eVf6ASexkl/mzuYodwPjNKnDnxmBGkik1AXeLI 81YwW0TASGL/p5NgHcwCWxglmtctZgdJCAt4Srzr7GICsVkEVCWWTJvECmLzClhJXLixiw1i nbzEzEvfgeo5ODgFrCWaF+VAlAhKnJz5BOwiZqCS5q2zmSHK/7JLXL+SB1IuIeAi8eFILERY WOLV8S3sELaUxOd3e6Gmp0v8uPyUCcIukGg+to8RwraXaD3VzwwyhllAU2L9Ln2IsKzE1FPr mCC28kn0/n4C1corsWMejK0k0b5yDpQtIbH3XAOU7SGx8utDZkhQ9TFKvP7zjmUCo8IsJN/M QvLNLITVCxiZVzFKphYU56anFpsWGOallsMjOTk/dxMjOJVqee5gvPvgg94hRiYOxkOMEhzM SiK84gWmyUK8KYmVValF+fFFpTmpxYcYTYGhPZFZSjQ5H5jM80riDU0sDUzMzMxMLI3NDJXE eRfP0EoWEkhPLEnNTk0tSC2C6WPi4JRqYFrwZn3Y85f/BOYe2aj7oXC72ppKrrApBgej1mbw 7ZqdvVqLec+p34tDZhkK/JC4WDzh7dFzuqY3nio943/7l1199sGnu05n3fuY+6W40EFgce17 e41FzhxGn5iEnFb/qGS2Sg6J1i7u+HT/yhad7X5ff894xDyZ8de05o5bjwPSUg5dPSN3pDn2 beqE2b6HF1YY/j62UGDleY6/dTeN71e/MzN2NL4lsDVsqdH8tj0VUw/cSL3uXf8gwdraOXZn bGc/28YiuTiDwHs9bVVefyLOi/JNWGrgJmbg77Jousx7FQVXf3GliMPdaxdtEFm+T6JcZVbR 13NfQ2oT35hLvJaT0vm4vMDQM0R1i6Z8n54SS3FGoqEWc1FxIgDw9SweLgQAAA== X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrMLMWRmVeSWpSXmKPExsWy7bCSvO7dPrNkgxm3TC1W3+1ns7h5YCeT xcrVR5ks3rWeY7E4+v8tm8WkQ9cYLfbe0raYv+wpu0X39R1sDpwel8+Wemxa1cnmsXlJvcfu mw1sHn1bVjF6fN4kF8AWxWWTkpqTWZZapG+XwJVx+sAploJpIhUfH/1jbGCcKdDFyMkhIWAi 8XnlH9YuRi4OIYHdjBLHTk9hgUhISJx6uYwRwhaWWPnvOTtE0UdGiXtPPoAl2ATUJY48bwWz RQTMJJYeXsMCUsQssItRYu7Wb8wgCWEBT4l3nV1MIDaLgKrEkmmTWEFsXgEriQs3drFBbJCX mHnpO9AGDg5OAWuJ5kU5IGEhoJLPe96zQ5QLSpyc+QTsOGag8uats5knMArMQpKahSS1gJFp FaNkakFxbnpusWGBYV5quV5xYm5xaV66XnJ+7iZGcLhrae5g3L7qg94hRiYOxkOMEhzMSiK8 4gWmyUK8KYmVValF+fFFpTmpxYcYpTlYlMR5L3SdjBcSSE8sSc1OTS1ILYLJMnFwSjUwnbuT aFGq8rgiaXl8pYzdz1OVVsb7lPXLJ2zkldcRuFw7d7/OP0Wj+gidBx9SHDtM/NvZn4WKePh7 Gy/bNmUa36OMfydWLXH9+j4rNbjsdOvDOZm1T/UYDddkLJ48yT7zhwhLf95OlqP3bW039Tm1 TH60KkPKZtO300vu7ElqmjCLxW4/e32l25N/k0KmLTm76myqy/sV785tM7eapNYnf3DeYuMl Ho8ldCbz6u8rrvQUPFzw6SJz+Jka1kMzZu2IeL6dXXDflY3dGz+c443ni+/PYZJ8/vnrXW+T 19rOW97xz/xdv+95eEXOhuNGGrZFRnmSj/i1f69677tmX/BqpgLlxG/3Q97MPMF7auqFPUos xRmJhlrMRcWJAPDxIXjmAgAA X-CMS-MailID: 20220930063821epcas5p48d4ec5136d487ea779ac74e2c0b740ac X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: REQ_APPROVE CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20220930063821epcas5p48d4ec5136d487ea779ac74e2c0b740ac References: <20220930062749.152261-1-anuj20.g@samsung.com> X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20220929_234402_171899_2DD0D0B9 X-CRM114-Status: GOOD ( 17.81 ) 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: , Sender: "Linux-nvme" Errors-To: linux-nvme-bounces+linux-nvme=archiver.kernel.org@lists.infradead.org From: Kanchan Joshi Pass struct request rather than bio. It helps to kill a parameter, and some processing clean-up too. Signed-off-by: Kanchan Joshi Reviewed-by: Christoph Hellwig --- drivers/nvme/host/ioctl.c | 23 +++++++++++++---------- 1 file changed, 13 insertions(+), 10 deletions(-) diff --git a/drivers/nvme/host/ioctl.c b/drivers/nvme/host/ioctl.c index 3746a02a88ef..bcaa6b3f97ca 100644 --- a/drivers/nvme/host/ioctl.c +++ b/drivers/nvme/host/ioctl.c @@ -20,19 +20,20 @@ static void __user *nvme_to_user_ptr(uintptr_t ptrval) return (void __user *)ptrval; } -static void *nvme_add_user_metadata(struct bio *bio, void __user *ubuf, - unsigned len, u32 seed, bool write) +static void *nvme_add_user_metadata(struct request *req, void __user *ubuf, + unsigned len, u32 seed) { struct bio_integrity_payload *bip; int ret = -ENOMEM; void *buf; + struct bio *bio = req->bio; buf = kmalloc(len, GFP_KERNEL); if (!buf) goto out; ret = -EFAULT; - if (write && copy_from_user(buf, ubuf, len)) + if ((req_op(req) == REQ_OP_DRV_OUT) && copy_from_user(buf, ubuf, len)) goto out_free_meta; bip = bio_integrity_alloc(bio, GFP_KERNEL, 1); @@ -45,9 +46,13 @@ static void *nvme_add_user_metadata(struct bio *bio, void __user *ubuf, bip->bip_iter.bi_sector = seed; ret = bio_integrity_add_page(bio, virt_to_page(buf), len, offset_in_page(buf)); - if (ret == len) - return buf; - ret = -ENOMEM; + if (ret != len) { + ret = -ENOMEM; + goto out_free_meta; + } + + req->cmd_flags |= REQ_INTEGRITY; + return buf; out_free_meta: kfree(buf); out: @@ -70,7 +75,6 @@ static struct request *nvme_alloc_user_request(struct request_queue *q, u32 meta_seed, void **metap, unsigned timeout, bool vec, blk_opf_t rq_flags, blk_mq_req_flags_t blk_flags) { - bool write = nvme_is_write(cmd); struct nvme_ns *ns = q->queuedata; struct block_device *bdev = ns ? ns->disk->part0 : NULL; struct request *req; @@ -96,13 +100,12 @@ static struct request *nvme_alloc_user_request(struct request_queue *q, if (bdev) bio_set_dev(bio, bdev); if (bdev && meta_buffer && meta_len) { - meta = nvme_add_user_metadata(bio, meta_buffer, meta_len, - meta_seed, write); + meta = nvme_add_user_metadata(req, meta_buffer, + meta_len, meta_seed); if (IS_ERR(meta)) { ret = PTR_ERR(meta); goto out_unmap; } - req->cmd_flags |= REQ_INTEGRITY; *metap = meta; } } -- 2.25.1