From: Christoph Hellwig <hch@lst.de>
Date: Fri, 25 Oct 2019 15:38:58 +0200
Subject: [PATCH] nvmet: clean up command parsing a bit
Git-commit: d84dd8cde6742054a2c802df841fa5aab5b99122
Patch-mainline: v5.5-rc1
References: bsc#1169045
Move the special cases for fabrics commands and the discovery controller
to nvmet_parse_admin_cmd in preparation for adding passthrough support.
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <kbusch@kernel.org>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Acked-by: Hannes Reinecke <hare@suse.com>
---
drivers/nvme/target/admin-cmd.c | 5 +++++
drivers/nvme/target/core.c | 6 +-----
2 files changed, 6 insertions(+), 5 deletions(-)
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index cd2c3a79f3b5..56c21b501185 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -879,6 +879,11 @@ u16 nvmet_parse_admin_cmd(struct nvmet_req *req)
struct nvme_command *cmd = req->cmd;
u16 ret;
+ if (nvme_is_fabrics(cmd))
+ return nvmet_parse_fabrics_cmd(req);
+ if (req->sq->ctrl->subsys->type == NVME_NQN_DISC)
+ return nvmet_parse_discovery_cmd(req);
+
ret = nvmet_check_ctrl_status(req, cmd);
if (unlikely(ret))
return ret;
diff --git a/drivers/nvme/target/core.c b/drivers/nvme/target/core.c
index cde58c001b23..28438b833c1b 100644
--- a/drivers/nvme/target/core.c
+++ b/drivers/nvme/target/core.c
@@ -892,14 +892,10 @@ bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq,
}
if (unlikely(!req->sq->ctrl))
- /* will return an error for any Non-connect command: */
+ /* will return an error for any non-connect command: */
status = nvmet_parse_connect_cmd(req);
else if (likely(req->sq->qid != 0))
status = nvmet_parse_io_cmd(req);
- else if (nvme_is_fabrics(req->cmd))
- status = nvmet_parse_fabrics_cmd(req);
- else if (req->sq->ctrl->subsys->type == NVME_NQN_DISC)
- status = nvmet_parse_discovery_cmd(req);
else
status = nvmet_parse_admin_cmd(req);
--
2.16.4