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| author | Keith Busch <keith.busch@intel.com> | 2017-08-29 17:46:04 -0400 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2017-08-30 14:59:35 +0200 |
| commit | 63263d60e0f9f37bfd5e6a1e83a62f0e62fc459f (patch) | |
| tree | 417cf5f24aff669c5a291276d8512c4ca820c4b1 /drivers/nvme | |
| parent | 485783ca63e3a47fa5a30df8c6745a6299607e4d (diff) | |
| download | linux-63263d60e0f9f37bfd5e6a1e83a62f0e62fc459f.tar.gz linux-63263d60e0f9f37bfd5e6a1e83a62f0e62fc459f.tar.bz2 linux-63263d60e0f9f37bfd5e6a1e83a62f0e62fc459f.zip | |
nvme: Use metadata for passthrough commands
The ioctls' struct allows the user to provide a metadata address and
length for a passthrough command. This patch uses these values that were
previously ignored and deletes the now unused wrapper function.
Signed-off-by: Keith Busch <keith.busch@intel.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Reviewed-by: Max Gurtovoy <maxg@mellanox.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme')
| -rw-r--r-- | drivers/nvme/host/core.c | 15 |
1 files changed, 4 insertions, 11 deletions
diff --git a/drivers/nvme/host/core.c b/drivers/nvme/host/core.c index 01f39a977f95..277a7a02cba5 100644 --- a/drivers/nvme/host/core.c +++ b/drivers/nvme/host/core.c @@ -634,7 +634,7 @@ out: return ERR_PTR(ret); } -static int __nvme_submit_user_cmd(struct request_queue *q, +static int nvme_submit_user_cmd(struct request_queue *q, struct nvme_command *cmd, void __user *ubuffer, unsigned bufflen, void __user *meta_buffer, unsigned meta_len, u32 meta_seed, u32 *result, unsigned timeout) @@ -690,14 +690,6 @@ static int __nvme_submit_user_cmd(struct request_queue *q, return ret; } -static int nvme_submit_user_cmd(struct request_queue *q, struct nvme_command *cmd, - void __user *ubuffer, unsigned bufflen, u32 *result, - unsigned timeout) -{ - return __nvme_submit_user_cmd(q, cmd, ubuffer, bufflen, NULL, 0, 0, - result, timeout); -} - static void nvme_keep_alive_end_io(struct request *rq, blk_status_t status) { struct nvme_ctrl *ctrl = rq->end_io_data; @@ -987,7 +979,7 @@ static int nvme_submit_io(struct nvme_ns *ns, struct nvme_user_io __user *uio) c.rw.apptag = cpu_to_le16(io.apptag); c.rw.appmask = cpu_to_le16(io.appmask); - return __nvme_submit_user_cmd(ns->queue, &c, + return nvme_submit_user_cmd(ns->queue, &c, (void __user *)(uintptr_t)io.addr, length, metadata, meta_len, io.slba, NULL, 0); } @@ -1025,7 +1017,8 @@ static int nvme_user_cmd(struct nvme_ctrl *ctrl, struct nvme_ns *ns, status = nvme_submit_user_cmd(ns ? ns->queue : ctrl->admin_q, &c, (void __user *)(uintptr_t)cmd.addr, cmd.data_len, - &cmd.result, timeout); + (void __user *)(uintptr_t)cmd.metadata, cmd.metadata, + 0, &cmd.result, timeout); if (status >= 0) { if (put_user(cmd.result, &ucmd->result)) return -EFAULT; |