[PATCH 2/4] Add flags for dedicated metadata disks

[Goffredo Baroncelli <kreijack@xxxxxxxxx>]

From: Goffredo Baroncelli <kreijack@xxxxxxxxx>

Signed-off-by: Goffredo Baroncelli <kreijack@xxxxxxxxx>

---
 include/uapi/linux/btrfs_tree.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/include/uapi/linux/btrfs_tree.h b/include/uapi/linux/btrfs_tree.h
index 8e322e2c7e78..a45d09591db8 100644
--- a/include/uapi/linux/btrfs_tree.h
+++ b/include/uapi/linux/btrfs_tree.h
@@ -355,6 +355,9 @@ struct btrfs_key {
 	__u64 offset;
 } __attribute__ ((__packed__));
 
+/* dev_item.type */
+#define BTRFS_DEV_PREFERRED_METADATA	(1ULL << 0)
+
 struct btrfs_dev_item {
 	/* the internal btrfs device id */
 	__le64 devid;
-- 
2.27.0.rc2