[PATCH 2/6] nvmet: use req->cmd directly in file-ns fast path

Chaitanya Kulkarni
2021-06-14T01:59:30Z

The function nvmet_file_parse_io_cmd() is called from the fast path. The
local variable to that function cmd is only used once.

Remove the local variable and use req->cmd directly.

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
---
drivers/nvme/target/io-cmd-file.c | 4 +---
1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/drivers/nvme/target/io-cmd-file.c b/drivers/nvme/target/io-cmd-file.c
index 7fdbdc496597..1dd1a0fe2e81 100644
--- a/drivers/nvme/target/io-cmd-file.c
+++ b/drivers/nvme/target/io-cmd-file.c
@@ -385,9 +385,7 @@ static void nvmet_file_execute_write_zeroes(struct nvmet_req *req)

u16 nvmet_file_parse_io_cmd(struct nvmet_req *req)
{
- struct nvme_command *cmd = req->cmd;
-
- switch (cmd->common.opcode) {
+ switch (req->cmd->common.opcode) {
case nvme_cmd_read:
case nvme_cmd_write:
req->execute = nvmet_file_execute_rw;