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authorChristoph Hellwig <hch@lst.de>2019-10-23 10:35:44 -0600
committerJens Axboe <axboe@kernel.dk>2019-11-04 10:56:42 -0700
commite9061c397839eea34207668bfedce0a6c18c5015 (patch)
tree07ed5f1fff8c579ab7fff79387977102afa3d4ed /drivers/nvme/target/nvmet.h
parentnvmet: Introduce nvmet_dsm_len() helper (diff)
downloadlinux-dev-e9061c397839eea34207668bfedce0a6c18c5015.tar.xz
linux-dev-e9061c397839eea34207668bfedce0a6c18c5015.zip
nvmet: Remove the data_len field from the nvmet_req struct
Instead of storing the expected length and checking it when it's executed, just check the length inside the command themselves. A new helper, nvmet_check_data_len() is created to help with this check. Signed-off-by: Christoph Hellwig <hch@lst.de> [split patch, udpate changelog] Signed-off-by: Logan Gunthorpe <logang@deltatee.com> Signed-off-by: Keith Busch <kbusch@kernel.org> Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to '')
-rw-r--r--drivers/nvme/target/nvmet.h3
1 files changed, 1 insertions, 2 deletions
diff --git a/drivers/nvme/target/nvmet.h b/drivers/nvme/target/nvmet.h
index 6ccf2d098d9f..ff55f1005b35 100644
--- a/drivers/nvme/target/nvmet.h
+++ b/drivers/nvme/target/nvmet.h
@@ -304,8 +304,6 @@ struct nvmet_req {
} f;
};
int sg_cnt;
- /* data length as parsed from the command: */
- size_t data_len;
/* data length as parsed from the SGL descriptor: */
size_t transfer_len;
@@ -375,6 +373,7 @@ u16 nvmet_parse_fabrics_cmd(struct nvmet_req *req);
bool nvmet_req_init(struct nvmet_req *req, struct nvmet_cq *cq,
struct nvmet_sq *sq, const struct nvmet_fabrics_ops *ops);
void nvmet_req_uninit(struct nvmet_req *req);
+bool nvmet_check_data_len(struct nvmet_req *req, size_t data_len);
void nvmet_req_execute(struct nvmet_req *req);
void nvmet_req_complete(struct nvmet_req *req, u16 status);
int nvmet_req_alloc_sgl(struct nvmet_req *req);