return (void __user *)ptrval;
}
-static inline void *nvme_meta_from_bio(struct bio *bio)
-{
- if (bio) {
- struct bio_integrity_payload *bip = bio_integrity(bio);
-
- return bip ? bvec_virt(bip->bip_vec) : NULL;
- }
-
- return NULL;
-}
-
static void *nvme_add_user_metadata(struct bio *bio, void __user *ubuf,
unsigned len, u32 seed, bool write)
{
static struct request *nvme_alloc_user_request(struct request_queue *q,
struct nvme_command *cmd, void __user *ubuffer,
unsigned bufflen, void __user *meta_buffer, unsigned meta_len,
- u32 meta_seed, unsigned timeout, bool vec)
+ u32 meta_seed, void **metap, unsigned timeout, bool vec)
{
bool write = nvme_is_write(cmd);
struct nvme_ns *ns = q->queuedata;
goto out_unmap;
}
req->cmd_flags |= REQ_INTEGRITY;
+ *metap = meta;
}
}
}
static int nvme_execute_user_rq(struct request *req, void __user *meta_buffer,
- unsigned meta_len, u64 *result)
+ unsigned meta_len, void *meta, u64 *result)
{
struct bio *bio = req->bio;
- void *meta = nvme_meta_from_bio(bio);
int ret;
ret = nvme_execute_passthru_rq(req);
if (result)
*result = le64_to_cpu(nvme_req(req)->result.u64);
- if (meta) {
+ if (meta_len) {
bool write = bio_op(bio) == REQ_OP_DRV_OUT;
if (!ret && !write && copy_to_user(meta_buffer, meta, meta_len))
u32 meta_seed, u64 *result, unsigned timeout, bool vec)
{
struct request *req;
+ void *meta = NULL;
req = nvme_alloc_user_request(q, cmd, ubuffer, bufflen, meta_buffer,
- meta_len, meta_seed, timeout, vec);
+ meta_len, meta_seed, &meta, timeout, vec);
if (IS_ERR(req))
return PTR_ERR(req);
- return nvme_execute_user_rq(req, meta_buffer, meta_len, result);
+ return nvme_execute_user_rq(req, meta_buffer, meta_len, meta, result);
}
static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio)