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Wed, 28 Sep 2022 02:46:31 +0900 (KST) Received: from epsmtrp2.samsung.com (unknown [182.195.40.14]) by epcas5p1.samsung.com (KnoxPortal) with ESMTPA id 20220927174631epcas5p12cd6ffbd7dad819b0af75733ce6cdd2c~YyMB_NHwQ1881118811epcas5p1R; Tue, 27 Sep 2022 17:46:31 +0000 (GMT) Received: from epsmgms1p2.samsung.com (unknown [182.195.42.42]) by epsmtrp2.samsung.com (KnoxPortal) with ESMTP id 20220927174631epsmtrp255e7f23830670585c2a976cb17ab4dd4~YyMB9gk6v3251332513epsmtrp2f; Tue, 27 Sep 2022 17:46:31 +0000 (GMT) X-AuditID: b6c32a4b-383ff7000001dc20-c8-633336f7aa9a Received: from epsmtip1.samsung.com ( [182.195.34.30]) by epsmgms1p2.samsung.com (Symantec Messaging Gateway) with SMTP id E3.86.18644.7F633336; Wed, 28 Sep 2022 02:46:31 +0900 (KST) Received: from localhost.localdomain (unknown [107.110.206.5]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20220927174629epsmtip12c9f5129ac6208bc1083716bbc42cf2b~YyMAoibdO1930019300epsmtip1N; Tue, 27 Sep 2022 17:46:29 +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, linux-block@vger.kernel.org, gost.dev@samsung.com, Kanchan Joshi Subject: [PATCH for-next v10 3/7] nvme: refactor nvme_add_user_metadata Date: Tue, 27 Sep 2022 23:06:06 +0530 Message-Id: <20220927173610.7794-4-joshi.k@samsung.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220927173610.7794-1-joshi.k@samsung.com> MIME-Version: 1.0 X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFupkk+LIzCtJLcpLzFFi42LZdlhTS/e7mXGyweID2har7/azWdw8sJPJ YuXqo0wW71rPsVgc/f+WzWLSoWuMFntvaVvMX/aU3YHD4/LZUo9NqzrZPDYvqffYfbOBzaNv yypGj8+b5ALYorJtMlITU1KLFFLzkvNTMvPSbZW8g+Od403NDAx1DS0tzJUU8hJzU22VXHwC dN0yc4CuUVIoS8wpBQoFJBYXK+nb2RTll5akKmTkF5fYKqUWpOQUmBToFSfmFpfmpevlpZZY GRoYGJkCFSZkZ+w8P4mpYK9wRcsRywbGM/xdjJwcEgImEu/fPWbsYuTiEBLYzSix8vxlZgjn E6PEh9tb2CGcz4wSJ47tYodpOXF4N1RiF6PE6X1PmOCqTh+cB5Th4GAT0JS4MLkUpEFEwEhi /6eTrCA1zAIzGCVWd7wGmyQs4C7xfWEvK4jNIqAqcX7XPDCbV8BcYvPVlawQ2+QlZl76DjaT U8BC4vDHTIgSQYmTM5+wgNjMQCXNW2eDnS0h8JVd4mXfZ6heF4kjhx8wQtjCEq+Ob4H6QEri 87u9bBB2ssSlmeeYIOwSicd7DkLZ9hKtp/qZQfYyA/2yfpc+xC4+id7fIP9yAJXwSnS0CUFU K0rcm/QUaqu4xMMZS6BsD4lTC35Cg6ebUaJ5+wK2CYzys5C8MAvJC7MQti1gZF7FKJlaUJyb nlpsWmCcl1oOj9fk/NxNjOA0qeW9g/HRgw96hxiZOBgPMUpwMCuJ8P4+apgsxJuSWFmVWpQf X1Sak1p8iNEUGMQTmaVEk/OBiTqvJN7QxNLAxMzMzMTS2MxQSZx38QytZCGB9MSS1OzU1ILU Ipg+Jg5OqQamEM8L31ZcfnREb6JumBjD5Y23fe4z/o4PMufYrvSB91XhrMbadUy7ikp9b+lO EVrJsYv1YQGTqO2P3xEKiReDTvcver5gJ2tux+00/iPRPdusQrcdOckn0rljlkhPZs6OTMbH GQV69RrqvHP/el1fLJuXu8hw0sY9J5mvSaskpMWWz4qZ9j8o2OS/i0aBxkvLrt8nZ8R2dE7a n/Po69+oq9qseoerTsb+rZv5xYd/v/f8PtEdrx7KZTRukj3T0jP9jm7m429nbnO8z1z7nPHq CYc1UhaRrIdc5R5lT+PV6btofLdn2ZS7d0UkDAuKisJi4iLMbqUqzM1/c2nDjRNPjV+dzWAW tQ2NW//b/kCGEktxRqKhFnNRcSIAN2uEhxwEAAA= X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFjrNLMWRmVeSWpSXmKPExsWy7bCSnO53M+Nkg/OTBC1W3+1ns7h5YCeT xcrVR5ks3rWeY7E4+v8tm8WkQ9cYLfbe0raYv+wpuwOHx+WzpR6bVnWyeWxeUu+x+2YDm0ff llWMHp83yQWwRXHZpKTmZJalFunbJXBl7Dw/ialgr3BFyxHLBsYz/F2MnBwSAiYSJw7vZgex hQR2MEq82KQOEReXaL72gx3CFpZY+e85kM0FVPORUWLPs9XMXYwcHGwCmhIXJpeC1IgImEks PbyGBaSGWWAOo8Tly3vAmoUF3CW+L+xlBbFZBFQlzu+aB2bzCphLbL66khVigbzEzEvf2UFm cgpYSBz+mAlxj7nE1k0fWCDKBSVOznwCZjMDlTdvnc08gVFgFpLULCSpBYxMqxglUwuKc9Nz iw0LjPJSy/WKE3OLS/PS9ZLzczcxgsNbS2sH455VH/QOMTJxMB5ilOBgVhLh/X3UMFmINyWx siq1KD++qDQntfgQozQHi5I474Wuk/FCAumJJanZqakFqUUwWSYOTqkGpkwXu9l2XjfK494v XafeZVVVaTRXqvZrwOXH8+aq7Lr8Z7b7bYVJpfcn8Ose3PXu2qPjcoryd8oenNM44nPp0I3+ Fzt3cOX5m01LeL0qnNExN4rDKbfd4lJHrHPb+//s6/+U97wwZeESPMggnX/CbM+LRMk52lpm 13eIn/y4UbZL4nzKr74dPSv2/LYyOxBRNP0Yr8j/DRUKpq9s+J7x7Wh1eP+H7XnJ6VUJf+5O f7TpaOXsaZseSnMcq34cvvX460teNb9fvr9t8nfSp2CPgN4pIkdZYw6ppJtlTgucwHuOoTjQ YGrFgoXuj7xSp4cGWzzec8xV2EzmmytTp9diu/hZ6aZfFtiVnEpNEmGy0lViKc5INNRiLipO BAD0tOyj3gIAAA== X-CMS-MailID: 20220927174631epcas5p12cd6ffbd7dad819b0af75733ce6cdd2c X-Msg-Generator: CA CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20220927174631epcas5p12cd6ffbd7dad819b0af75733ce6cdd2c References: <20220927173610.7794-1-joshi.k@samsung.com> Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org 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 548aca8b5b9f..8f8435b55b95 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; @@ -110,13 +114,12 @@ 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; } }