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Diffstat (limited to 'drivers/nvme/host/nvme.h')
| -rw-r--r-- | drivers/nvme/host/nvme.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index f846da4eb338..6376cd71cc9f 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -173,6 +173,14 @@ static inline u64 nvme_block_nr(struct nvme_ns *ns, sector_t sector) return (sector >> (ns->lba_shift - 9)); } +static inline unsigned nvme_map_len(struct request *rq) +{ + if (rq->cmd_flags & REQ_DISCARD) + return sizeof(struct nvme_dsm_range); + else + return blk_rq_bytes(rq); +} + static inline void nvme_setup_flush(struct nvme_ns *ns, struct nvme_command *cmnd) { |