nvme.h: add the changed namespace list log

Signed-off-by: NChristoph Hellwig <hch@lst.de>
Reviewed-by: NSagi Grimberg <sagi@grimberg.me>
Reviewed-by: NJohannes Thumshirn <jthumshirn@suse.de>

include/linux/nvme.h

@@ -751,6 +751,7 @@ enum {
 	NVME_LOG_ERROR		= 0x01,
 	NVME_LOG_SMART		= 0x02,
 	NVME_LOG_FW_SLOT	= 0x03,
+	NVME_LOG_CHANGED_NS	= 0x04,
 	NVME_LOG_CMD_EFFECTS	= 0x05,
 	NVME_LOG_DISC		= 0x70,
 	NVME_LOG_RESERVATION	= 0x80,
@@ -759,6 +760,8 @@ enum {
 	NVME_FWACT_ACTV		= (2 << 3),
 };
 
+#define NVME_MAX_CHANGED_NAMESPACES	1024
+
 struct nvme_identify {
 	__u8			opcode;
 	__u8			flags;