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charset="utf-8" CMS-TYPE: 105P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20220925203328epcas5p1872214ededaf3b75762dcb5af15199da References: <20220925202304.28097-1-joshi.k@samsung.com> Precedence: bulk List-ID: X-Mailing-List: io-uring@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 --- 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; } } -- 2.25.1