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-rw-r--r--include/uapi/linux/btrfs.h8
1 files changed, 7 insertions, 1 deletions
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h
index 17a94704b183..dea893199257 100644
--- a/include/uapi/linux/btrfs.h
+++ b/include/uapi/linux/btrfs.h
@@ -206,7 +206,13 @@ struct btrfs_ioctl_feature_flags {
*/
struct btrfs_balance_args {
__u64 profiles;
- __u64 usage;
+ union {
+ __le64 usage;
+ struct {
+ __le32 usage_min;
+ __le32 usage_max;
+ };
+ };
__u64 devid;
__u64 pstart;
__u64 pend;