diff options
Diffstat (limited to 'sys/dev/nvme/nvme_sysctl.c')
| -rw-r--r-- | sys/dev/nvme/nvme_sysctl.c | 16 |
1 files changed, 0 insertions, 16 deletions
diff --git a/sys/dev/nvme/nvme_sysctl.c b/sys/dev/nvme/nvme_sysctl.c index 08cd15e..44b0ab7 100644 --- a/sys/dev/nvme/nvme_sysctl.c +++ b/sys/dev/nvme/nvme_sysctl.c @@ -33,22 +33,6 @@ __FBSDID("$FreeBSD$"); #include "nvme_private.h" -SYSCTL_NODE(_kern, OID_AUTO, nvme, CTLFLAG_RD, 0, "NVM Express"); -/* - * Intel NVMe controllers have a slow path for I/Os that span a 128KB - * stripe boundary but ZFS limits ashift, which is derived from - * d_stripesize, to 13 (8KB) so we limit the stripesize reported to - * geom(8) to 4KB by default. - * - * This may result in a small number of additional I/Os to require - * splitting in nvme(4), however the NVMe I/O path is very efficient - * so these additional I/Os will cause very minimal (if any) difference - * in performance or CPU utilisation. - */ -int nvme_max_optimal_sectorsize = 1<<12; -SYSCTL_INT(_kern_nvme, OID_AUTO, max_optimal_sectorsize, CTLFLAG_RWTUN, - &nvme_max_optimal_sectorsize, 0, "The maximum optimal sectorsize reported"); - /* * CTLTYPE_S64 and sysctl_handle_64 were added in r217616. Define these * explicitly here for older kernels that don't include the r217616 |
