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authorChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>2021-06-09 18:32:49 -0700
committerChristoph Hellwig <hch@lst.de>2021-06-17 15:51:20 +0200
commit6e597263f990a2db99e7380debc4044c38867971 (patch)
tree9aaf3d73b7d6a20a25db7fb7be97f1497b92dce4 /drivers/nvme
parentblock: export blk_next_bio() (diff)
downloadlinux-dev-6e597263f990a2db99e7380debc4044c38867971.tar.xz
linux-dev-6e597263f990a2db99e7380debc4044c38867971.zip
nvmet: add req cns error complete helper
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>
Diffstat (limited to 'drivers/nvme')
-rw-r--r--drivers/nvme/target/admin-cmd.c5
-rw-r--r--drivers/nvme/target/nvmet.h8
2 files changed, 9 insertions, 4 deletions
diff --git a/drivers/nvme/target/admin-cmd.c b/drivers/nvme/target/admin-cmd.c
index cd60a8184d04..3de6a6c99b01 100644
--- a/drivers/nvme/target/admin-cmd.c
+++ b/drivers/nvme/target/admin-cmd.c
@@ -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);
}
/*
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h
index 3468f25cb4b7..002651f34c5e 100644
--- a/drivers/nvme/target/nvmet.h
+++ b/drivers/nvme/target/nvmet.h
@@ -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 */