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nvmet: add req cns error complete helper

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We report error and complete the request when identify cns value is not
handled in nvmet_execute_identify(). This error reporting is also needed
for Zone Block Device backend for NVMeOF target.

Add a helper nvmet_req_cns_error_compplete() to report an error and
complete the request when idenitfy command cns not handled value.

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Reviewed-by: Damien Le Moal <damien.lemoal@wdc.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Chaitanya Kulkarni 2021-06-09 18:32:49 -07:00 committed by Christoph Hellwig
parent c28a61471c
commit 6e597263f9
2 changed files with 9 additions and 4 deletions
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5
drivers/nvme/target/admin-cmd.c
View File

@ -637,10 +637,7 @@ static void nvmet_execute_identify(struct nvmet_req *req)
return nvmet_execute_identify_desclist(req);
}
pr_debug("unhandled identify cns %d on qid %d\n",
req->cmd->identify.cns, req->sq->qid);
req->error_loc = offsetof(struct nvme_identify, cns);
nvmet_req_complete(req, NVME_SC_INVALID_FIELD | NVME_SC_DNR);
nvmet_req_cns_error_complete(req);
}
/*

8
drivers/nvme/target/nvmet.h
View File

@ -624,4 +624,12 @@ static inline bool nvmet_use_inline_bvec(struct nvmet_req *req)
req->sg_cnt <= NVMET_MAX_INLINE_BIOVEC;
}
static inline void nvmet_req_cns_error_complete(struct nvmet_req *req)
{
pr_debug("unhandled identify cns %d on qid %d\n",
req->cmd->identify.cns, req->sq->qid);
req->error_loc = offsetof(struct nvme_identify, cns);
nvmet_req_complete(req, NVME_SC_INVALID_FIELD | NVME_SC_DNR);
}
#endif /* _NVMET_H */