extern int read_cow_header(int (*reader)(__u64, char *, int, void *),
void *arg, __u32 *version_out,
char **backing_file_out, time_t *mtime_out,
- __u64 *size_out, int *sectorsize_out,
+ unsigned long long *size_out, int *sectorsize_out,
__u32 *align_out, int *bitmap_offset_out);
extern int write_cow_header(char *cow_file, int fd, char *backing_file,
- int sectorsize, int alignment, long long *size);
+ int sectorsize, int alignment,
+ unsigned long long *size);
extern void cow_sizes(int version, __u64 size, int sectorsize, int align,
int bitmap_offset, unsigned long *bitmap_len_out,