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LU-2675 utils: remove loadgen
[fs/lustre-release.git] / lustre / utils / lustre_lfsck.c
index b698a08..ce8263b 100644 (file)
@@ -68,69 +68,71 @@ static struct option long_opt_stop[] = {
 };
 
 struct lfsck_type_name {
-       char            *name;
-       int              namelen;
-       enum lfsck_type  type;
+       char            *ltn_name;
+       enum lfsck_type  ltn_type;
 };
 
 static struct lfsck_type_name lfsck_types_names[] = {
-       { "layout",     6,      LT_LAYOUT },
-       { "namespace",  9,      LT_NAMESPACE},
-       { 0,            0,      0 }
+       { "scrub",      LFSCK_TYPE_SCRUB },
+       { "layout",     LFSCK_TYPE_LAYOUT },
+       { "namespace",  LFSCK_TYPE_NAMESPACE },
+       { "default",    LFSCK_TYPES_DEF },
+       { "all",        LFSCK_TYPES_SUPPORTED },
+       { NULL,         0 }
 };
 
-static inline int lfsck_name2type(const char *name, int namelen)
+static enum lfsck_type lfsck_name2type(const char *name)
 {
-       int i = 0;
+       int i;
 
-       while (lfsck_types_names[i].name != NULL) {
-               if (namelen == lfsck_types_names[i].namelen &&
-                   strncmp(lfsck_types_names[i].name, name, namelen) == 0)
-                       return lfsck_types_names[i].type;
-               i++;
+       for (i = 0; lfsck_types_names[i].ltn_name != NULL; i++) {
+               if (strcmp(lfsck_types_names[i].ltn_name, name) == 0)
+                       return lfsck_types_names[i].ltn_type;
        }
-       return 0;
+       return -1;
 }
 
 static void usage_start(void)
 {
-       fprintf(stderr, "Start LFSCK.\n"
-               "SYNOPSIS:\n"
-               "lfsck_start <-M | --device [MDT,OST]_device>\n"
+       fprintf(stderr, "start LFSCK\n"
+               "usage:\n"
+               "lfsck_start <-M | --device {MDT,OST}_device>\n"
                "            [-A | --all] [-c | --create_ostobj [on | off]]\n"
+               "            [-C | --create_mdtobj [on | off]]\n"
                "            [-e | --error {continue | abort}] [-h | --help]\n"
                "            [-n | --dryrun [on | off]] [-o | --orphan]\n"
-               "            [-r | --reset] [-s | --speed speed_limit]\n"
-               "            [-t | --type lfsck_type[,lfsck_type...]]\n"
+               "            [-r | --reset] [-s | --speed ops_per_sec_limit]\n"
+               "            [-t | --type check_type[,check_type...]]\n"
                "            [-w | --window_size size]\n"
-               "OPTIONS:\n"
-               "-M: The device to start LFSCK/scrub on.\n"
-               "-A: Start LFSCK on all MDT devices.\n"
-               "-c: Create the lost OST-object for dangling LOV EA: "
-                   "'off'(default) or 'on'.\n"
-               "-e: Error handle, 'continue'(default) or 'abort'.\n"
-               "-h: Help information.\n"
-               "-n: Check without modification. 'off'(default) or 'on'.\n"
-               "-o: Handle orphan objects.\n"
-               "-r: Reset scanning start position to the device beginning.\n"
-               "    The non-specified parameters will be reset as default.\n"
-               "-s: How many items can be scanned at most per second. "
-                   "'%d' means no limit (default).\n"
-               "-t: The LFSCK type(s) to be started.\n"
-               "-w: The window size for async requests pipeline.\n",
+               "options:\n"
+               "-M: device to start LFSCK/scrub on\n"
+               "-A: start LFSCK on all MDT devices\n"
+               "-c: create the lost OST-object for dangling LOV EA "
+                   "(default 'off', or 'on')\n"
+               "-C: create the lost MDT-object for dangling name entry "
+                   "(default 'off', or 'on')\n"
+               "-e: error handle mode (default 'continue', or 'abort')\n"
+               "-h: this help message\n"
+               "-n: check with no modification (default 'off', or 'on')\n"
+               "-o: repair orphan OST-objects\n"
+               "-r: reset scanning to the start of the device\n"
+               "-s: maximum items to be scanned per second "
+                   "(default '%d' = no limit)\n"
+               "-t: check type(s) to be performed (default all)\n"
+               "-w: window size for async requests pipeline\n",
                LFSCK_SPEED_NO_LIMIT);
 }
 
 static void usage_stop(void)
 {
-       fprintf(stderr, "Stop LFSCK.\n"
-               "SYNOPSIS:\n"
-               "lfsck_stop <-M | --device [MDT,OST]_device>\n"
-               "[-A | --all] [-h | --help]\n"
-               "OPTIONS:\n"
-               "-M: The device to stop LFSCK/scrub on.\n"
-               "-A: Stop LFSCK on all MDT devices.\n"
-               "-h: Help information.\n");
+       fprintf(stderr, "stop LFSCK\n"
+               "usage:\n"
+               "lfsck_stop <-M | --device {MDT,OST}_device>\n"
+               "           [-A | --all] [-h | --help]\n"
+               "options:\n"
+               "-M: device to stop LFSCK/scrub on\n"
+               "-A: stop LFSCK on all MDT devices\n"
+               "-h: this help message\n");
 }
 
 static int lfsck_pack_dev(struct obd_ioctl_data *data, char *device, char *arg)
@@ -156,14 +158,14 @@ int jt_lfsck_start(int argc, char **argv)
        char rawbuf[MAX_IOC_BUFLEN], *buf = rawbuf;
        char device[MAX_OBD_NAME];
        struct lfsck_start start;
-       char *optstring = "Ac::e:hM:n::ors:t:w:";
-       int opt, index, rc, val, i, type;
+       char *optstring = "Ac::C::e:hM:n::ors:t:w:";
+       int opt, index, rc, val, i;
 
        memset(&data, 0, sizeof(data));
        memset(&start, 0, sizeof(start));
        memset(device, 0, MAX_OBD_NAME);
        start.ls_version = LFSCK_VERSION_V1;
-       start.ls_active = LFSCK_TYPES_DEF;
+       start.ls_active = LFSCK_TYPES_ALL;
 
        /* Reset the 'optind' for the case of getopt_long() called multiple
         * times under the same lctl. */
@@ -178,22 +180,35 @@ int jt_lfsck_start(int argc, char **argv)
                        if (optarg == NULL || strcmp(optarg, "on") == 0) {
                                start.ls_flags |= LPF_CREATE_OSTOBJ;
                        } else if (strcmp(optarg, "off") != 0) {
-                               fprintf(stderr, "Invalid switch: %s. "
-                                       "The valid switch should be: 'on' "
-                                       "or 'off' (default) without blank, "
-                                       "or empty. For example: '-non' or "
-                                       "'-noff' or '-n'.\n", optarg);
+                               fprintf(stderr, "invalid switch: -c '%s'. "
+                                       "valid switches are:\n"
+                                       "empty ('on'), or 'off' without space. "
+                                       "For example:\n"
+                                       "'-c', '-con', '-coff'\n", optarg);
                                return -EINVAL;
                        }
                        start.ls_valid |= LSV_CREATE_OSTOBJ;
                        break;
+               case 'C':
+                       if (optarg == NULL || strcmp(optarg, "on") == 0) {
+                               start.ls_flags |= LPF_CREATE_MDTOBJ;
+                       } else if (strcmp(optarg, "off") != 0) {
+                               fprintf(stderr, "invalid switch: -C '%s'. "
+                                       "valid switches are:\n"
+                                       "empty ('on'), or 'off' without space. "
+                                       "For example:\n"
+                                       "'-C', '-Con', '-Coff'\n", optarg);
+                               return -EINVAL;
+                       }
+                       start.ls_valid |= LSV_CREATE_MDTOBJ;
+                       break;
                case 'e':
                        if (strcmp(optarg, "abort") == 0) {
                                start.ls_flags |= LPF_FAILOUT;
                        } else if (strcmp(optarg, "continue") != 0) {
-                               fprintf(stderr, "Invalid error handler: %s. "
-                                       "The valid value should be: 'continue'"
-                                       "(default) or 'abort'.\n", optarg);
+                               fprintf(stderr, "invalid error mode: -e '%s'."
+                                       "valid modes are: "
+                                       "'continue' or 'abort'.\n", optarg);
                                return -EINVAL;
                        }
                        start.ls_valid |= LSV_ERROR_HANDLE;
@@ -210,18 +225,18 @@ int jt_lfsck_start(int argc, char **argv)
                        if (optarg == NULL || strcmp(optarg, "on") == 0) {
                                start.ls_flags |= LPF_DRYRUN;
                        } else if (strcmp(optarg, "off") != 0) {
-                               fprintf(stderr, "Invalid switch: %s. "
-                                       "The valid switch should be: 'on' "
-                                       "or 'off' (default) without blank, "
-                                       "or empty. For example: '-non' or "
-                                       "'-noff' or '-n'.\n", optarg);
+                               fprintf(stderr, "invalid switch: -n '%s'. "
+                                       "valid switches are:\n"
+                                       "empty ('on'), or 'off' without space. "
+                                       "For example:\n"
+                                       "'-n', '-non', '-noff'\n", optarg);
                                return -EINVAL;
                        }
                        start.ls_valid |= LSV_DRYRUN;
                        break;
                case 'o':
                        start.ls_flags |= LPF_ALL_TGT | LPF_BROADCAST |
-                                         LPF_ORPHAN;
+                                         LPF_OST_ORPHAN;
                        break;
                case 'r':
                        start.ls_flags |= LPF_RESET;
@@ -232,44 +247,27 @@ int jt_lfsck_start(int argc, char **argv)
                        start.ls_valid |= LSV_SPEED_LIMIT;
                        break;
                case 't': {
-                       char *str = optarg, *p, c;
-
-                       start.ls_active = 0;
-                       while (*str) {
-                               while (*str == ' ' || *str == ',')
-                                       str++;
-
-                               if (*str == 0)
-                                       break;
-
-                               p = str;
-                               while (*p != 0 && *p != ' ' && *p != ',')
-                                       p++;
-
-                               c = *p;
-                               *p = 0;
-                               type = lfsck_name2type(str, strlen(str));
-                               if (type == 0) {
-                                       fprintf(stderr, "Invalid type (%s).\n"
-                                               "The valid value should be "
-                                               "'layout' or 'namespace'.\n",
-                                               str);
-                                       *p = c;
-                                       return -EINVAL;
-                               }
-
-                               *p = c;
-                               str = p;
+                       char *typename;
+
+                       if (start.ls_active == LFSCK_TYPES_ALL)
+                               start.ls_active = 0;
+                       while ((typename = strsep(&optarg, ",")) != NULL) {
+                               enum lfsck_type type;
 
+                               type = lfsck_name2type(typename);
+                               if (type == -1)
+                                       goto bad_type;
                                start.ls_active |= type;
                        }
-                       if (start.ls_active == 0) {
-                               fprintf(stderr, "Miss LFSCK type(s).\n"
-                                       "The valid value should be "
-                                       "'layout' or 'namespace'.\n");
-                               return -EINVAL;
-                       }
                        break;
+bad_type:
+                       fprintf(stderr, "invalid check 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':
                        val = atoi(optarg);
@@ -294,6 +292,9 @@ int jt_lfsck_start(int argc, char **argv)
                }
        }
 
+       if (start.ls_active == LFSCK_TYPES_ALL)
+               start.ls_active = LFSCK_TYPES_DEF;
+
        if (data.ioc_inlbuf4 == NULL) {
                if (lcfg_get_devname() != NULL) {
                        rc = lfsck_pack_dev(&data, device, lcfg_get_devname());
@@ -322,22 +323,17 @@ int jt_lfsck_start(int argc, char **argv)
        }
 
        obd_ioctl_unpack(&data, buf, sizeof(rawbuf));
-       if (start.ls_active == 0) {
-               printf("Started LFSCK on the device %s", device);
-       } else {
-               printf("Started LFSCK on the device %s:", device);
-               i = 0;
-               while (lfsck_types_names[i].name != NULL) {
-                       if (start.ls_active & lfsck_types_names[i].type) {
-                               printf(" %s", lfsck_types_names[i].name);
-                               start.ls_active &= ~lfsck_types_names[i].type;
-                       }
-                       i++;
+       printf("Started LFSCK on the device %s: scrub", device);
+       for (i = 0; lfsck_types_names[i].ltn_name != NULL; i++) {
+               if (start.ls_active & lfsck_types_names[i].ltn_type) {
+                       printf(" %s", lfsck_types_names[i].ltn_name);
+                       start.ls_active &= ~lfsck_types_names[i].ltn_type;
                }
-               if (start.ls_active != 0)
-                       printf(" unknown(0x%x)", start.ls_active);
        }
-       printf(".\n");
+       if (start.ls_active != 0)
+               printf(" unknown(0x%x)", start.ls_active);
+       printf("\n");
+
        return 0;
 }