mirror of
https://github.com/ceph/ceph
synced 2024-12-22 19:34:30 +00:00
36 lines
919 B
C
36 lines
919 B
C
#include <fcntl.h>
|
|
#include <stdlib.h>
|
|
#include <sys/ioctl.h>
|
|
#include <string.h>
|
|
|
|
#include <linux/types.h>
|
|
#include "../../src/os/btrfs_ioctl.h"
|
|
#include <stdio.h>
|
|
#include <errno.h>
|
|
|
|
int main(int argc, char **argv)
|
|
{
|
|
struct btrfs_ioctl_clone_range_args ca;
|
|
int dfd;
|
|
int r;
|
|
|
|
if (argc < 6) {
|
|
printf("usage: %s <srcfn> <srcoffset> <srclen> <destfn> <destoffset>\n", argv[0]);
|
|
exit(1);
|
|
}
|
|
|
|
ca.src_fd = open(argv[1], O_RDONLY);
|
|
ca.src_offset = atoi(argv[2]);
|
|
ca.src_length = atoi(argv[3]);
|
|
dfd = open(argv[4], O_WRONLY|O_CREAT);
|
|
ca.dest_offset = atoi(argv[5]);
|
|
|
|
r = ioctl(dfd, BTRFS_IOC_CLONE_RANGE, &ca);
|
|
printf("clone_range %s %lld %lld~%lld to %s %d %lld = %d %s\n",
|
|
argv[1], ca.src_fd,
|
|
ca.src_offset, ca.src_length,
|
|
argv[4], dfd,
|
|
ca.dest_offset, r, strerror(errno));
|
|
return r;
|
|
}
|