diff mbox series

[2/5] Add flags for dedicated metadata disks

Message ID 20210117185435.36263-3-kreijack@libero.it (mailing list archive)
State New, archived
Headers show
Series [1/5] Add an ioctl to set the device properties | expand

Commit Message

Goffredo Baroncelli Jan. 17, 2021, 6:54 p.m. UTC 
From: Goffredo Baroncelli <kreijack@inwind.it>

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

diff --git a/include/uapi/linux/btrfs_tree.h b/include/uapi/linux/btrfs_tree.h
index 58d7cff9afb1..701ad550d596 100644
--- a/include/uapi/linux/btrfs_tree.h
+++ b/include/uapi/linux/btrfs_tree.h
@@ -361,6 +361,9 @@  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;