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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 2e04a36296d9..36f44b79bb3b 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -449,6 +449,14 @@ static inline sector_t nvme_lba_to_sect(struct nvme_ns *ns, u64 lba) return lba << (ns->lba_shift - SECTOR_SHIFT); } +/* + * Convert byte length to nvme's 0-based num dwords + */ +static inline u32 nvme_bytes_to_numd(size_t len) +{ + return (len >> 2) - 1; +} + static inline void nvme_end_request(struct request *req, __le16 status, union nvme_result result) { |