10 #include <sys/ioctl.h>
11 #include <netinet/in.h>
12 #include <sys/socket.h>
17 char new_file_name[PATH_MAX];
19 int main(int argc, char **argv)
23 struct ceph_ioctl_layout l;
24 struct ceph_ioctl_dataloc dl;
27 printf("usage: ceph_test_ioctls <filename> <offset>\n");
32 fd = open(fn, O_CREAT|O_RDWR, 0644);
34 perror("couldn't open file");
39 err = ioctl(fd, CEPH_IOC_GET_LAYOUT, (unsigned long)&l);
41 perror("ioctl IOC_GET_LAYOUT error");
44 printf("layout:\n stripe_unit %lld\n stripe_count %lld\n object_size %lld\n data_pool %lld\n",
45 (long long)l.stripe_unit, (long long)l.stripe_count, (long long)l.object_size, (long long)l.data_pool);
49 l.stripe_unit = 1048576;
51 err = ioctl(fd, CEPH_IOC_SET_LAYOUT, (unsigned long)&l);
53 perror("ioctl IOC_SET_LAYOUT error");
56 printf("set layout, writing to file\n");
58 printf("file %s\n", fn);
59 /* get layout again */
60 err = ioctl(fd, CEPH_IOC_GET_LAYOUT, (unsigned long)&l);
62 perror("ioctl IOC_GET_LAYOUT error");
65 printf("layout:\n stripe_unit %lld\n stripe_count %lld\n object_size %lld\n data_pool %lld\n",
66 (long long)l.stripe_unit, (long long)l.stripe_count, (long long)l.object_size, (long long)l.data_pool);
69 dl.file_offset = atoll(argv[2]);
70 err = ioctl(fd, CEPH_IOC_GET_DATALOC, (unsigned long)&dl);
72 perror("ioctl IOC_GET_DATALOC error");
77 printf(" file_offset %lld (of object start)\n", (long long)dl.file_offset);
78 printf(" object '%s'\n object_offset %lld\n object_size %lld object_no %lld\n",
79 dl.object_name, (long long)dl.object_offset, (long long)dl.object_size, (long long)dl.object_no);
80 printf(" block_offset %lld\n block_size %lld\n",
81 (long long)dl.block_offset, (long long)dl.block_size);
84 getnameinfo((struct sockaddr *)&dl.osd_addr, sizeof(dl.osd_addr), buf, sizeof(buf), 0, 0, NI_NUMERICHOST);
85 printf(" osd%lld %s\n", (long long)dl.osd, buf);
90 /* set dir default layout */
91 printf("testing dir policy setting\n");
92 fd = open(argv[3], O_RDONLY);
94 perror("couldn't open dir");
98 l.object_size = 1048576;
100 err = ioctl(fd, CEPH_IOC_SET_LAYOUT_POLICY, (unsigned long)&l);
102 perror("ioctl IOC_SET_LAYOUT_POLICY error");
105 printf("set layout, creating file\n");
107 snprintf(new_file_name, sizeof(new_file_name),
108 "%s/testfile", argv[3]);
109 fd = open(new_file_name, O_CREAT | O_RDWR, 0644);
111 perror("couldn't open file");
114 err = ioctl(fd, CEPH_IOC_GET_LAYOUT, (unsigned long)&l);
116 perror("ioctl IOC_GET_LAYOUT error");
119 printf("layout:\n stripe_unit %lld\n stripe_count %lld\n object_size %lld\n data_pool %lld\n",
120 (long long)l.stripe_unit, (long long)l.stripe_count, (long long)l.object_size, (long long)l.data_pool);