int fd, err;
struct ceph_ioctl_layout l;
struct ceph_ioctl_dataloc dl;
+ char *new_file_name = (char *)malloc(sizeof(char)*4096);
if (argc < 3) {
printf("usage: test_ioctls <filename> <offset>\n");
perror("couldn't open file");
return 1;
}
- printf("file %s\n", fn);
/* get layout */
+ err = ioctl(fd, CEPH_IOC_GET_LAYOUT, (unsigned long)&l);
+ if (err < 0) {
+ perror("ioctl IOC_GET_LAYOUT error");
+ return 1;
+ }
+ printf("layout:\n stripe_unit %lld\n stripe_count %lld\n object_size %lld\n data_pool %lld\n preferred osd %lld\n",
+ (long long)l.stripe_unit, (long long)l.stripe_count, (long long)l.object_size, (long long)l.data_pool, (long long)l.preferred_osd);
+
+
+ /* set layout */
+ l.stripe_unit = 1048576;
+ l.stripe_count = 2;
+ err = ioctl(fd, CEPH_IOC_SET_LAYOUT, (unsigned long)&l);
+ if (err < 0) {
+ perror("ioctl IOC_SET_LAYOUT error");
+ return 1;
+ }
+ printf("set layout, writing to file\n");
+
+ printf("file %s\n", fn);
+ /* get layout again */
err = ioctl(fd, CEPH_IOC_GET_LAYOUT, (unsigned long)&l);
if (err < 0) {
perror("ioctl IOC_GET_LAYOUT error");
return 1;
}
- printf("layout:\n stripe_unit %lld\n stripe_count %lld\n object_size %lld\n data_pool %lld\npreferred osd %lld\n",
+ printf("layout:\n stripe_unit %lld\n stripe_count %lld\n object_size %lld\n data_pool %lld\n preferred osd %lld\n",
(long long)l.stripe_unit, (long long)l.stripe_count, (long long)l.object_size, (long long)l.data_pool, (long long)l.preferred_osd);
/* dataloc */
getnameinfo((struct sockaddr *)&dl.osd_addr, sizeof(dl.osd_addr), buf, sizeof(buf), 0, 0, NI_NUMERICHOST);
printf(" osd%lld %s\n", (long long)dl.osd, buf);
- return 0;
+ if (argc < 4)
+ return 0;
+
+ /* set dir default layout */
+ printf("testing dir policy setting\n");
+ fd = open(argv[3], O_RDONLY);
+ if (fd < 0) {
+ perror("couldn't open dir");
+ return 1;
+ }
+
+ l.object_size = 1048576;
+ l.stripe_count = 1;
+ err = ioctl(fd, CEPH_IOC_SET_LAYOUT_POLICY, (unsigned long)&l);
+ if (err < 0) {
+ perror("ioctl IOC_SET_LAYOUT_POLICY error");
+ return 1;
+ }
+ printf("set layout, creating file\n");
+
+ sprintf(new_file_name, "%s/testfile", argv[3]);
+ fd = open(new_file_name, O_CREAT | O_RDWR, 0644);
+ if (fd < 0) {
+ perror("couldn't open file");
+ return 1;
+ }
+ err = ioctl(fd, CEPH_IOC_GET_LAYOUT, (unsigned long)&l);
+ if (err < 0) {
+ perror("ioctl IOC_GET_LAYOUT error");
+ return 1;
+ }
+ printf("layout:\n stripe_unit %lld\n stripe_count %lld\n object_size %lld\n data_pool %lld\n preferred osd %lld\n",
+ (long long)l.stripe_unit, (long long)l.stripe_count, (long long)l.object_size, (long long)l.data_pool, (long long)l.preferred_osd);
+ return 0;
}