diff options
Diffstat (limited to 'drivers/nvme/host/nvme.h')
| -rw-r--r-- | drivers/nvme/host/nvme.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/drivers/nvme/host/nvme.h b/drivers/nvme/host/nvme.h index 23db2d99b53a..8c646ab26677 100644 --- a/drivers/nvme/host/nvme.h +++ b/drivers/nvme/host/nvme.h @@ -252,6 +252,11 @@ struct nvme_ctrl { unsigned long discard_page_busy; }; +enum nvme_iopolicy { + NVME_IOPOLICY_NUMA, + NVME_IOPOLICY_RR, +}; + struct nvme_subsystem { int instance; struct device dev; @@ -271,6 +276,9 @@ struct nvme_subsystem { u8 cmic; u16 vendor_id; struct ida ns_ida; +#ifdef CONFIG_NVME_MULTIPATH + enum nvme_iopolicy iopolicy; +#endif }; /* @@ -491,6 +499,7 @@ static inline void nvme_mpath_check_last_path(struct nvme_ns *ns) extern struct device_attribute dev_attr_ana_grpid; extern struct device_attribute dev_attr_ana_state; +extern struct device_attribute subsys_attr_iopolicy; #else static inline bool nvme_ctrl_use_ana(struct nvme_ctrl *ctrl) |