NVMe: Configure support for block flush

This configures an nvme request_queue as flush capable if the device has a volatile write cache present.

Keith Busch committed 12 years ago

Commit a7d2ce21 parent 3291fa53 files · +5 −0Browse files

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@@ -73,6 +73,7 @@ enum { · 72 unmodified lines
73	NVME_CTRL_ONCS_COMPARE = 1 << 0,	73	NVME_CTRL_ONCS_COMPARE = 1 << 0,
74	NVME_CTRL_ONCS_WRITE_UNCORRECTABLE = 1 << 1,	74	NVME_CTRL_ONCS_WRITE_UNCORRECTABLE = 1 << 1,
75	NVME_CTRL_ONCS_DSM = 1 << 2,	75	NVME_CTRL_ONCS_DSM = 1 << 2,
		76	NVME_CTRL_VWC_PRESENT = 1 << 0,
76	};	77	};
77		78
78	struct nvme_lbaf {	79	struct nvme_lbaf {