diff options
Diffstat (limited to 'include/uapi')
| -rw-r--r-- | include/uapi/linux/btrfs.h | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/include/uapi/linux/btrfs.h b/include/uapi/linux/btrfs.h index b6dec05c7196..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; @@ -217,8 +223,27 @@ struct btrfs_balance_args { __u64 flags; - __u64 limit; /* limit number of processed chunks */ - __u64 unused[7]; + /* + * BTRFS_BALANCE_ARGS_LIMIT with value 'limit' + * BTRFS_BALANCE_ARGS_LIMIT_RANGE - the extend version can use minimum + * and maximum + */ + union { + __u64 limit; /* limit number of processed chunks */ + struct { + __u32 limit_min; + __u32 limit_max; + }; + }; + + /* + * Process chunks that cross stripes_min..stripes_max devices, + * BTRFS_BALANCE_ARGS_STRIPES_RANGE + */ + __le32 stripes_min; + __le32 stripes_max; + + __u64 unused[6]; } __attribute__ ((__packed__)); /* report balance progress to userspace */ |