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LU-7256 tests: wait current LFSCK to exit before next test
[fs/lustre-release.git] / lustre / utils / lustre_lfsck.c
index 2baf9a7..a0cebe0 100644 (file)
@@ -67,7 +67,15 @@ static struct option long_opt_stop[] = {
        {"device",      required_argument, 0, 'M'},
        {"all",         no_argument,       0, 'A'},
        {"help",        no_argument,       0, 'h'},
-       {0,             0,                 0,   0}
+       {0,             0,                 0,  0 }
+};
+
+static struct option long_opt_query[] = {
+       {"device",      required_argument, 0, 'M'},
+       {"type",        required_argument, 0, 't'},
+       {"help",        no_argument,       0, 'h'},
+       {"wait",        no_argument,       0, 'w'},
+       {0,             0,                 0,  0 }
 };
 
 struct lfsck_type_name {
@@ -95,6 +103,18 @@ static enum lfsck_type lfsck_name2type(const char *name)
        return -1;
 }
 
+static const char *lfsck_type2name(__u16 type)
+{
+       int i;
+
+       for (i = 0; lfsck_types_names[i].ltn_name != NULL; i++) {
+               if (type == lfsck_types_names[i].ltn_type)
+                       return lfsck_types_names[i].ltn_name;
+       }
+
+       return NULL;
+}
+
 static void usage_start(void)
 {
        fprintf(stderr, "start LFSCK\n"
@@ -138,6 +158,20 @@ static void usage_stop(void)
                "-h: this help message\n");
 }
 
+static void usage_query(void)
+{
+       fprintf(stderr, "check the LFSCK global status\n"
+               "usage:\n"
+               "lfsck_query <-M | --device MDT_device> [-h | --help]\n"
+               "            [-t | --type check_type[,check_type...]]\n"
+               "            [-t | --wait]\n"
+               "options:\n"
+               "-M: device to query LFSCK on\n"
+               "-t: LFSCK type(s) to be queried (default is all)\n"
+               "-h: this help message\n"
+               "-w: do not return until LFSCK not running\n");
+}
+
 static int lfsck_pack_dev(struct obd_ioctl_data *data, char *device, char *arg)
 {
        int len = strlen(arg) + 1;
@@ -311,7 +345,7 @@ bad_type:
        data.ioc_inllen1 = sizeof(start);
        memset(buf, 0, sizeof(rawbuf));
        rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
-       if (rc) {
+       if (rc != 0) {
                fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
                return rc;
        }
@@ -389,7 +423,7 @@ int jt_lfsck_stop(int argc, char **argv)
        data.ioc_inllen1 = sizeof(stop);
        memset(buf, 0, sizeof(rawbuf));
        rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
-       if (rc) {
+       if (rc != 0) {
                fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
                return rc;
        }
@@ -403,3 +437,105 @@ int jt_lfsck_stop(int argc, char **argv)
        printf("Stopped LFSCK on the device %s.\n", device);
        return 0;
 }
+
+int jt_lfsck_query(int argc, char **argv)
+{
+       struct obd_ioctl_data data = { 0 };
+       char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
+       char device[MAX_OBD_NAME] = "";
+       struct lfsck_query query = { .lu_types = LFSCK_TYPES_ALL };
+       int opt, index, rc, i;
+       enum lfsck_type type;
+
+       while ((opt = getopt_long(argc, argv, "hM:t:w", long_opt_query,
+                                 &index)) != EOF) {
+               switch (opt) {
+               case 'h':
+                       usage_query();
+                       return 0;
+               case 'M':
+                       rc = lfsck_pack_dev(&data, device, optarg);
+                       if (rc != 0)
+                               return rc;
+                       break;
+               case 't': {
+                       char *typename;
+
+                       if (query.lu_types == LFSCK_TYPES_ALL)
+                               query.lu_types = 0;
+                       while ((typename = strsep(&optarg, ",")) != NULL) {
+                               type = lfsck_name2type(typename);
+                               if (type == -1)
+                                       goto bad_type;
+                               query.lu_types |= type;
+                       }
+                       break;
+
+bad_type:
+                       fprintf(stderr, "invalid LFSCK type -t '%s'. "
+                               "valid types are:\n", typename);
+                       for (i = 0; lfsck_types_names[i].ltn_name != NULL; i++)
+                               fprintf(stderr, "%s%s", i != 0 ? "," : "",
+                                       lfsck_types_names[i].ltn_name);
+                       fprintf(stderr, "\n");
+                       return -EINVAL;
+               }
+               case 'w':
+                       query.lu_flags |= LPF_WAIT;
+                       break;
+               default:
+                       fprintf(stderr, "Invalid option, '-h' for help.\n");
+                       usage_query();
+                       return -EINVAL;
+               }
+       }
+
+       if (data.ioc_inlbuf4 == NULL) {
+               if (lcfg_get_devname() != NULL) {
+                       rc = lfsck_pack_dev(&data, device, lcfg_get_devname());
+                       if (rc != 0)
+                               return rc;
+               } else {
+                       fprintf(stderr,
+                               "Must specify device to query LFSCK.\n");
+                       return -EINVAL;
+               }
+       }
+
+       data.ioc_inlbuf1 = (char *)&query;
+       data.ioc_inllen1 = sizeof(query);
+       memset(buf, 0, sizeof(rawbuf));
+       rc = obd_ioctl_pack(&data, &buf, sizeof(rawbuf));
+       if (rc != 0) {
+               fprintf(stderr, "Fail to pack ioctl data: rc = %d.\n", rc);
+               return rc;
+       }
+
+       rc = l_ioctl(OBD_DEV_ID, OBD_IOC_QUERY_LFSCK, buf);
+       if (rc < 0) {
+               perror("Fail to query LFSCK");
+               return rc;
+       }
+
+       obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
+       for (i = 0, type = 1 << i; i < LFSCK_TYPE_BITS; i++, type = 1 << i) {
+               const char *name;
+               int j;
+
+               if (!(query.lu_types & type))
+                       continue;
+
+               name = lfsck_type2name(type);
+               for (j = 0; j <= LS_MAX; j++)
+                       printf("%s_mdts_%s: %d\n", name,
+                              lfsck_status2name(j), query.lu_mdts_count[i][j]);
+
+               for (j = 0; j <= LS_MAX; j++)
+                       printf("%s_osts_%s: %d\n", name,
+                              lfsck_status2name(j), query.lu_osts_count[i][j]);
+
+               printf("%s_repaired: %llu\n", name, query.lu_repaired[i]);
+       }
+
+       return 0;
+}