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-rw-r--r--include/uapi/linux/btrfs.h3
1 files changed, 3 insertions, 0 deletions
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
index 72cd9f61f054..140722320698 100644
--- a/include/uapi/linux/btrfs.h
+++ b/include/uapi/linux/btrfs.h
@@ -539,6 +539,9 @@ struct btrfs_ioctl_clone_range_args {
*/
#define BTRFS_DEFRAG_RANGE_COMPRESS 1
#define BTRFS_DEFRAG_RANGE_START_IO 2
+#define BTRFS_DEFRAG_RANGE_FLAGS_SUPP (BTRFS_DEFRAG_RANGE_COMPRESS | \
+ BTRFS_DEFRAG_RANGE_START_IO)
+
struct btrfs_ioctl_defrag_range_args {
/* start of the defrag operation */
__u64 start;