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| author | Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com> | 2021-02-09 21:48:01 -0800 |
|---|---|---|
| committer | Christoph Hellwig <hch@lst.de> | 2021-02-10 16:38:05 +0100 |
| commit | 20c2c3bb83f26c42bf62cc773f96f30848ed11a2 (patch) | |
| tree | 9e4995e67f373f99dd23d9bcec7f34fc241146c3 /drivers/nvme/target/nvmet.h | |
| parent | d86481e924a7d6e8a40477ffa98077c6c0d77ed5 (diff) | |
| download | lwn-20c2c3bb83f26c42bf62cc773f96f30848ed11a2.tar.gz lwn-20c2c3bb83f26c42bf62cc773f96f30848ed11a2.zip | |
nvmet: add nvmet_req_subsys() helper
Just like what we have to get the passthru ctrl from the req, add an
helper to get the subsystem associated with the nvmet_req() instead
of open coding the chain of structures.
Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'drivers/nvme/target/nvmet.h')
| -rw-r--r-- | drivers/nvme/target/nvmet.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h index 00f78e41d8c8..cdfa537b1c0a 100644 --- a/drivers/nvme/target/nvmet.h +++ b/drivers/nvme/target/nvmet.h @@ -551,6 +551,11 @@ static inline u32 nvmet_dsm_len(struct nvmet_req *req) sizeof(struct nvme_dsm_range); } +static inline struct nvmet_subsys *nvmet_req_subsys(struct nvmet_req *req) +{ + return req->sq->ctrl->subsys; +} + #ifdef CONFIG_NVME_TARGET_PASSTHRU void nvmet_passthru_subsys_free(struct nvmet_subsys *subsys); int nvmet_passthru_ctrl_enable(struct nvmet_subsys *subsys); @@ -585,7 +590,7 @@ static inline struct nvme_ctrl *nvmet_passthru_ctrl(struct nvmet_subsys *subsys) static inline struct nvme_ctrl * nvmet_req_passthru_ctrl(struct nvmet_req *req) { - return nvmet_passthru_ctrl(req->sq->ctrl->subsys); + return nvmet_passthru_ctrl(nvmet_req_subsys(req)); } u16 errno_to_nvme_status(struct nvmet_req *req, int errno); |