6 #include <linux/types.h>
7 #include "../../src/os/btrfs_ioctl.h"
11 int main(int argc, char **argv)
13 struct btrfs_ioctl_clone_range_args ca;
18 printf("usage: %s <srcfn> <srcoffset> <srclen> <destfn> <destoffset>\n", argv[0]);
22 ca.src_fd = open(argv[1], O_RDONLY);
23 ca.src_offset = atoi(argv[2]);
24 ca.src_length = atoi(argv[3]);
25 dfd = open(argv[4], O_WRONLY|O_CREAT);
26 ca.dest_offset = atoi(argv[5]);
28 r = ioctl(dfd, BTRFS_IOC_CLONE_RANGE, &ca);
29 printf("clone_range %s %lld %lld~%lld to %s %d %lld = %d %s\n",
31 ca.src_offset, ca.src_length,
33 ca.dest_offset, r, strerror(errno));