NVMe: Configure support for block flush

This configures an nvme request_queue as flush capable if the device has a volatile write cache present. Signed-off-by: Keith Busch <keith.busch@intel.com> Signed-off-by: Matthew Wilcox <matthew.r.wilcox@intel.com>
2014-04-29 11:41:28 -06:00
parent 3291fa57cb
commit a7d2ce2832
3 changed files with 5 additions and 0 deletions
--- a/include/linux/nvme.h
+++ b/include/linux/nvme.h
@@ -99,6 +99,7 @@ struct nvme_dev {
 	u32 stripe_size;
 	u16 oncs;
 	u16 abort_limit;
+	u8 vwc;
 	u8 initialized;
 };