btrfs_scrub_progress
struct btrfs_scrub_progress scrub_progress;
ret = btrfs_scrub_progress(fs_info, sa->devid, &sa->progress);
struct btrfs_scrub_progress stat;
u64 end, struct btrfs_scrub_progress *progress,
struct btrfs_scrub_progress *progress)
struct btrfs_scrub_progress;
u64 end, struct btrfs_scrub_progress *progress,
int btrfs_scrub_progress(struct btrfs_fs_info *fs_info, u64 devid,
struct btrfs_scrub_progress *progress);
struct btrfs_scrub_progress progress; /* out */
__u64 unused[(1024-32-sizeof(struct btrfs_scrub_progress))/8];