diff options
Diffstat (limited to 'sys/dev/nvme/nvme_ns.c')
| -rw-r--r-- | sys/dev/nvme/nvme_ns.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/sys/dev/nvme/nvme_ns.c b/sys/dev/nvme/nvme_ns.c index 754d074..4580e66 100644 --- a/sys/dev/nvme/nvme_ns.c +++ b/sys/dev/nvme/nvme_ns.c @@ -45,6 +45,8 @@ __FBSDID("$FreeBSD$"); #include "nvme_private.h" +extern int nvme_max_optimal_sectorsize; + static void nvme_bio_child_inbed(struct bio *parent, int bio_error); static void nvme_bio_child_done(void *arg, const struct nvme_completion *cpl); @@ -217,6 +219,22 @@ nvme_ns_get_stripesize(struct nvme_namespace *ns) return (ns->stripesize); } +uint32_t +nvme_ns_get_optimal_sector_size(struct nvme_namespace *ns) +{ + uint32_t stripesize; + + stripesize = nvme_ns_get_stripesize(ns); + + if (stripesize == 0) + return nvme_ns_get_sector_size(ns); + + if (nvme_max_optimal_sectorsize == 0) + return (stripesize); + + return (MIN(stripesize, nvme_max_optimal_sectorsize)); +} + static void nvme_ns_bio_done(void *arg, const struct nvme_completion *status) { |
