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LU-819 utils: Fix lfs getstripe -M
[fs/lustre-release.git] / lustre / utils / lfs.c
index d55c6f2..c2f45eb 100644 (file)
@@ -85,7 +85,9 @@ static int lfs_setstripe(int argc, char **argv);
 static int lfs_find(int argc, char **argv);
 static int lfs_getstripe(int argc, char **argv);
 static int lfs_osts(int argc, char **argv);
+static int lfs_mdts(int argc, char **argv);
 static int lfs_df(int argc, char **argv);
+static int lfs_getname(int argc, char **argv);
 static int lfs_check(int argc, char **argv);
 static int lfs_catinfo(int argc, char **argv);
 #ifdef HAVE_SYS_QUOTA_H
@@ -117,24 +119,25 @@ command_t cmdlist[] = {
          "Create a new file with a specific striping pattern or\n"
          "set the default striping pattern on an existing directory or\n"
          "delete the default striping pattern from an existing directory\n"
-         "usage: setstripe [--size|-s stripe_size] [--offset|-o start_ost]\n"
-         "                 [--count|-c stripe_count] [--pool|-p <pool>]\n"
-         "                 <dir|filename>\n"
+         "usage: setstripe [--size|-s stripe_size] [--count|-c stripe_count]\n"
+         "                 [--index|-i|--offset|-o start_ost_index]\n"
+         "                 [--pool|-p <pool>] <directory|filename>\n"
          "       or \n"
-         "       setstripe -d <dir>   (to delete default striping)\n"
+         "       setstripe -d <directory>   (to delete default striping)\n"
          "\tstripe_size:  Number of bytes on each OST (0 filesystem default)\n"
          "\t              Can be specified with k, m or g (in KB, MB and GB\n"
          "\t              respectively)\n"
-         "\tstart_ost:    OST index of first stripe (-1 filesystem default)\n"
+         "\tstart_ost_index: OST index of first stripe (-1 default)\n"
          "\tstripe_count: Number of OSTs to stripe over (0 default, -1 all)\n"
-         "\tpool:         Name of OST pool"},
+         "\tpool:         Name of OST pool to use (default none)"},
         {"getstripe", lfs_getstripe, 0,
          "To list the striping info for a given file or files in a\n"
          "directory or recursively for all files in a directory tree.\n"
          "usage: getstripe [--obd|-O <uuid>] [--quiet | -q] [--verbose | -v]\n"
-         "                 [--count | -c ] [--size | -s ] [--index | -i ]\n"
-         "                 [--offset | -o ] [--pool | -p ] [--directory | -d]\n"
-         "                 [--mdt | -M] [--recursive | -r] <dir|file> ..."},
+         "                 [--count | -c ] [--index | -i | --offset | -o]\n"
+         "                 [--size | -s ] [--pool | -p ] [--directory | -d]\n"
+         "                 [--mdt | -M] [--recursive | -r] [--raw | -R]\n"
+         "                 <directory|filename> ..."},
         {"pool_list", lfs_poollist, 0,
          "List pools or pool OSTs\n"
          "usage: pool_list <fsname>[.<pool>] | <pathname>\n"},
@@ -143,8 +146,9 @@ command_t cmdlist[] = {
          "usage: find <directory|filename> ...\n"
          "     [[!] --atime|-A [+-]N] [[!] --mtime|-M [+-]N] [[!] --ctime|-C [+-]N]\n"
          "     [--maxdepth|-D N] [[!] --name|-n <pattern>] [--print0|-P]\n"
-         "     [--print|-p] [[!] --obd|-O <uuid[s]>] [[!] --size|-s [+-]N[bkMGTP]]\n"
-         "     [[!] --type|-t <filetype>] [[!] --gid|-g|--group|-G <gid>|<gname>]\n"
+         "     [--print|-p] [[!] --obd|-O <uuid[s]>] [[!] --mdt|-m <uuid[s]]\n"
+         "     [[!] --size|-s [+-]N[bkMGTP]] [[!] --type|-t <filetype>]\n"
+         "     [[!] --gid|-g|--group|-G <gid>|<gname>]\n"
          "     [[!] --uid|-u|--user|-U <uid>|<uname>]\n"
          "     [[!] --pool <pool>]\n"
          "\t !: used before an option indicates 'NOT' the requested attribute\n"
@@ -162,11 +166,17 @@ command_t cmdlist[] = {
         {"join", lfs_join, 0,
          "join two lustre files into one.\n"
          "obsolete, HEAD does not support it anymore.\n"},
-        {"osts", lfs_osts, 0, "osts"},
+        {"osts", lfs_osts, 0, "list OSTs connected to client "
+         "[for specified path only]\n" "usage: osts [path]"},
+        {"mdts", lfs_mdts, 0, "list MDTs connected to client "
+         "[for specified path only]\n" "usage: mdts [path]"},
         {"df", lfs_df, 0,
          "report filesystem disk space usage or inodes usage"
          "of each MDS and all OSDs or a batch belonging to a specific pool .\n"
          "Usage: df [-i] [-h] [--pool|-p <fsname>[.<pool>] [path]"},
+        {"getname", lfs_getname, 0, "list instances and specified mount points "
+         "[for specified path only]\n"
+         "Usage: getname [-h]|[path ...] "},
 #ifdef HAVE_SYS_QUOTA_H
         {"quotachown",lfs_quotachown, 0,
          "Change files' owner or group on the specified filesystem.\n"
@@ -198,9 +208,9 @@ command_t cmdlist[] = {
          "       -i can be used instead of --inode-softlimit/--inode-grace\n"
          "       -I can be used instead of --inode-hardlimit"},
         {"quota", lfs_quota, 0, "Display disk usage and limits.\n"
-         "usage: quota [-q] [-v] [-o obd_uuid|-i mdt_idx|-I ost_idx]\n"
+         "usage: quota [-q] [-v] [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>]\n"
          "             [<-u|-g> <uname>|<uid>|<gname>|<gid>] <filesystem>\n"
-         "       quota [-o obd_uuid|-i mdt_idx|-I ost_idx] -t <-u|-g> <filesystem>"},
+         "       quota [-o <obd_uuid>|-i <mdt_idx>|-I <ost_idx>] -t <-u|-g> <filesystem>"},
         {"quotainv", lfs_quotainv, 0, "Invalidate quota data.\n"
          "usage: quotainv [-u|-g] <filesystem>"},
 #endif
@@ -275,15 +285,15 @@ static int lfs_setstripe(int argc, char **argv)
         char *stripe_off_arg = NULL;
         char *stripe_count_arg = NULL;
         char *pool_name_arg = NULL;
-        unsigned long long size_units;
+        unsigned long long size_units = 1;
 
         struct option long_opts[] = {
-                {"size",        required_argument, 0, 's'},
                 {"count",       required_argument, 0, 'c'},
+                {"delete",      no_argument,       0, 'd'},
                 {"index",       required_argument, 0, 'i'},
                 {"offset",      required_argument, 0, 'o'},
                 {"pool",        required_argument, 0, 'p'},
-                {"delete",      no_argument,       0, 'd'},
+                {"size",        required_argument, 0, 's'},
                 {0, 0, 0, 0}
         };
 
@@ -291,25 +301,19 @@ static int lfs_setstripe(int argc, char **argv)
         st_offset = -1;
         st_count = 0;
 
-#if LUSTRE_VERSION < OBD_OCD_VERSION(2,1,0,0)
+#if LUSTRE_VERSION < OBD_OCD_VERSION(2,4,50,0)
         if (argc == 5 && argv[1][0] != '-' &&
             isnumber(argv[2]) && isnumber(argv[3]) && isnumber(argv[4])) {
-                fprintf(stderr, "warning: deprecated usage of setstripe "
+                fprintf(stderr, "error: obsolete usage of setstripe "
                         "positional parameters.  Use -c, -i, -s instead.\n");
-                /* for compatibility with the existing positional parameter
-                 * usage */
-                fname = argv[1];
-                stripe_size_arg = argv[2];
-                stripe_off_arg = argv[3];
-                stripe_count_arg = argv[4];
-                optind = 4;
+                return CMD_HELP;
         } else
 #else
 #warning "remove obsolete positional parameter code"
 #endif
         {
                 optind = 0;
-                while ((c = getopt_long(argc, argv, "c:di:o:s:p:",
+                while ((c = getopt_long(argc, argv, "c:di:o:p:s:",
                                         long_opts, NULL)) >= 0) {
                         switch (c) {
                         case 0:
@@ -371,7 +375,7 @@ static int lfs_setstripe(int argc, char **argv)
         }
         /* get the stripe offset */
         if (stripe_off_arg != NULL) {
-                st_offset = strtoul(stripe_off_arg, &end, 0);
+                st_offset = strtol(stripe_off_arg, &end, 0);
                 if (*end != '\0') {
                         fprintf(stderr, "error: %s: bad stripe offset '%s'\n",
                                 argv[0], stripe_off_arg);
@@ -498,31 +502,29 @@ static int lfs_find(int argc, char **argv)
         int new_fashion = 1;
         int c, ret;
         time_t t;
-        struct find_param param = { .maxdepth = -1 };
-        char str[1024];
+        struct find_param param = { .maxdepth = -1, .size_units = 0 };
         struct option long_opts[] = {
-                /* New find options. */
                 {"atime",     required_argument, 0, 'A'},
                 {"ctime",     required_argument, 0, 'C'},
-                {"mtime",     required_argument, 0, 'M'},
                 {"maxdepth",  required_argument, 0, 'D'},
                 {"gid",       required_argument, 0, 'g'},
                 {"group",     required_argument, 0, 'G'},
-                {"uid",       required_argument, 0, 'u'},
-                {"user",      required_argument, 0, 'U'},
+                {"mtime",     required_argument, 0, 'M'},
+                {"mdt",       required_argument, 0, 'm'},
                 {"name",      required_argument, 0, 'n'},
-                /* no short option for pool, p/P already used */
-                {"pool",      required_argument, 0, FIND_POOL_OPT},
                 /* --obd is considered as a new option. */
                 {"obd",       required_argument, 0, 'O'},
                 {"ost",       required_argument, 0, 'O'},
-                {"print",     no_argument,       0, 'P'},
+                /* no short option for pool, p/P already used */
+                {"pool",      required_argument, 0, FIND_POOL_OPT},
                 {"print0",    no_argument,       0, 'p'},
-                /* Old find options. */
+                {"print",     no_argument,       0, 'P'},
                 {"quiet",     no_argument,       0, 'q'},
                 {"recursive", no_argument,       0, 'r'},
                 {"size",      required_argument, 0, 's'},
                 {"type",      required_argument, 0, 't'},
+                {"uid",       required_argument, 0, 'u'},
+                {"user",      required_argument, 0, 'U'},
                 {"verbose",   no_argument,       0, 'v'},
                 {0, 0, 0, 0}
         };
@@ -538,8 +540,8 @@ static int lfs_find(int argc, char **argv)
 
         optind = 0;
         /* when getopt_long_only() hits '!' it returns 1, puts "!" in optarg */
-        while ((c = getopt_long_only(argc,argv,"-A:C:D:g:G:M:n:PpO:qrs:t:u:U:v",
-                                     long_opts, NULL)) >= 0) {
+        while ((c = getopt_long_only(argc, argv, "-A:C:D:g:G:M:m:n:O:"
+                                     "Ppqrs:t:u:U:v", long_opts, NULL)) >= 0) {
                 xtime = NULL;
                 xsign = NULL;
                 if (neg_opt)
@@ -556,7 +558,8 @@ static int lfs_find(int argc, char **argv)
                         fprintf(stderr, "err: %s: filename|dirname must either "
                                         "precede options or follow options\n",
                                         argv[0]);
-                        return CMD_HELP;
+                        ret = CMD_HELP;
+                        goto err;
                 }
                 if (!isoption && pathstart == -1)
                         pathstart = optind - 1;
@@ -581,32 +584,25 @@ static int lfs_find(int argc, char **argv)
                 case 'A':
                         xtime = &param.atime;
                         xsign = &param.asign;
+                        param.exclude_atime = !!neg_opt;
                 case 'C':
                         if (c == 'C') {
                                 xtime = &param.ctime;
                                 xsign = &param.csign;
+                                param.exclude_ctime = !!neg_opt;
                         }
                 case 'M':
                         if (c == 'M') {
                                 xtime = &param.mtime;
                                 xsign = &param.msign;
+                                param.exclude_mtime = !!neg_opt;
                         }
                         new_fashion = 1;
-                        if (neg_opt) {
-                                if (optarg[0] == '-')
-                                        optarg[0] = '+';
-                                else if (optarg[0] == '+')
-                                        optarg[0] = '-';
-                                else {
-                                        str[0] = '-';
-                                        str[1] = '\0';
-                                        strcat(str, optarg);
-                                        optarg = str;
-                                }
-                        }
                         ret = set_time(&t, xtime, optarg);
-                        if (ret == INT_MAX)
-                                return -1;
+                        if (ret == INT_MAX) {
+                                ret = -1;
+                                goto err;
+                        }
                         if (ret)
                                 *xsign = ret;
                         break;
@@ -623,7 +619,8 @@ static int lfs_find(int argc, char **argv)
                                 if (*endptr != '\0') {
                                         fprintf(stderr, "Group/GID: %s cannot "
                                                 "be found.\n", optarg);
-                                        return -1;
+                                        ret = -1;
+                                        goto err;
                                 }
                         }
                         param.exclude_gid = !!neg_opt;
@@ -638,7 +635,8 @@ static int lfs_find(int argc, char **argv)
                                 if (*endptr != '\0') {
                                         fprintf(stderr, "User/UID: %s cannot "
                                                 "be found.\n", optarg);
-                                        return -1;
+                                        ret = -1;
+                                        goto err;
                                 }
                         }
                         param.exclude_uid = !!neg_opt;
@@ -651,7 +649,8 @@ static int lfs_find(int argc, char **argv)
                                         "Pool name %s is too long"
                                         " (max is %d)\n", optarg,
                                         LOV_MAXPOOLNAME);
-                                return -1;
+                                ret = -1;
+                                goto err;
                         }
                         /* we do check for empty pool because empty pool
                          * is used to find V1 lov attributes */
@@ -665,37 +664,64 @@ static int lfs_find(int argc, char **argv)
                         param.pattern = (char *)optarg;
                         param.exclude_pattern = !!neg_opt;
                         break;
+                case 'm':
                 case 'O': {
                         char *buf, *token, *next, *p;
-                        int len;
+                        int len = 1;
+                        void *tmp;
 
-                        len = strlen((char *)optarg);
-                        buf = malloc(len+1);
-                        if (buf == NULL)
-                                return -ENOMEM;
-                        strcpy(buf, (char *)optarg);
+                        buf = strdup(optarg);
+                        if (buf == NULL) {
+                                ret = -ENOMEM;
+                                goto err;
+                        }
 
                         param.exclude_obd = !!neg_opt;
 
-                        if (param.num_alloc_obds == 0) {
-                                param.obduuid = malloc(FIND_MAX_OSTS *
-                                                       sizeof(struct obd_uuid));
-                                if (param.obduuid == NULL)
-                                        return -ENOMEM;
-                                param.num_alloc_obds = INIT_ALLOC_NUM_OSTS;
+                        token = buf;
+                        while (token && *token) {
+                                token = strchr(token, ',');
+                                if (token) {
+                                        len++;
+                                        token++;
+                                }
+                        }
+                        if (c == 'O') {
+                                param.exclude_obd = !!neg_opt;
+                                param.num_alloc_obds += len;
+                                tmp = realloc(param.obduuid,
+                                              param.num_alloc_obds *
+                                              sizeof(*param.obduuid));
+                                if (tmp == NULL)
+                                        GOTO(err_free, ret = -ENOMEM);
+                                param.obduuid = tmp;
+                        } else {
+                                param.exclude_mdt = !!neg_opt;
+                                param.num_alloc_mdts += len;
+                                tmp = realloc(param.mdtuuid,
+                                              param.num_alloc_mdts *
+                                              sizeof(*param.mdtuuid));
+                                if (tmp == NULL)
+                                        GOTO(err_free, ret = -ENOMEM);
+                                param.mdtuuid = tmp;
                         }
-
                         for (token = buf; token && *token; token = next) {
+                                char *uuid;
+                                if (c == 'O')
+                                        uuid =
+                                          param.obduuid[param.num_obds++].uuid;
+                                else
+                                        uuid =
+                                          param.mdtuuid[param.num_mdts++].uuid;
                                 p = strchr(token, ',');
                                 next = 0;
                                 if (p) {
                                         *p = 0;
                                         next = p+1;
                                 }
-                                strcpy((char *)&param.obduuid[param.num_obds++].uuid,
-                                       token);
+                                strcpy((char *)uuid, token);
                         }
-
+err_free:
                         if (buf)
                                 free(buf);
                         break;
@@ -730,22 +756,11 @@ static int lfs_find(int argc, char **argv)
 #endif
                         default: fprintf(stderr, "error: %s: bad type '%s'\n",
                                          argv[0], optarg);
-                                 return CMD_HELP;
+                                 ret = CMD_HELP;
+                                 goto err;
                         };
                         break;
                 case 's':
-                        if (neg_opt) {
-                                if (optarg[0] == '-')
-                                        optarg[0] = '+';
-                                else if (optarg[0] == '+')
-                                        optarg[0] = '-';
-                                else {
-                                        str[0] = '-';
-                                        str[1] = '\0';
-                                        strcat(str, optarg);
-                                        optarg = str;
-                                }
-                        }
                         if (optarg[0] == '+')
                                 param.size_sign = -1;
                         else if (optarg[0] == '-')
@@ -758,8 +773,10 @@ static int lfs_find(int argc, char **argv)
                         if (ret) {
                                 fprintf(stderr,"error: bad size '%s'\n",
                                         optarg);
-                                return ret;
+                                goto err;
                         }
+                        param.check_size = 1;
+                        param.exclude_size = !!neg_opt;
                         break;
                 case 'v':
                         new_fashion = 0;
@@ -767,18 +784,21 @@ static int lfs_find(int argc, char **argv)
                         param.quiet = 0;
                         break;
                 case '?':
-                        return CMD_HELP;
+                        ret = CMD_HELP;
+                        goto err;
                 default:
                         fprintf(stderr, "error: %s: option '%s' unrecognized\n",
                                 argv[0], argv[optind - 1]);
-                        return CMD_HELP;
+                        ret = CMD_HELP;
+                        goto err;
                 };
         }
 
         if (pathstart == -1) {
                 fprintf(stderr, "error: %s: no filename|pathname\n",
                         argv[0]);
-                return CMD_HELP;
+                ret = CMD_HELP;
+                goto err;
         } else if (pathend == -1) {
                 /* no options */
                 pathend = argc;
@@ -807,27 +827,32 @@ static int lfs_find(int argc, char **argv)
         if (ret)
                 fprintf(stderr, "error: %s failed for %s.\n",
                         argv[0], argv[optind - 1]);
-
+err:
         if (param.obduuid && param.num_alloc_obds)
                 free(param.obduuid);
 
+        if (param.mdtuuid && param.num_alloc_mdts)
+                free(param.mdtuuid);
+
         return ret;
 }
 
 static int lfs_getstripe(int argc, char **argv)
 {
         struct option long_opts[] = {
-                {"obd", 1, 0, 'O'},
-                {"quiet", 0, 0, 'q'},
-                {"recursive", 0, 0, 'r'},
                 {"count", 0, 0, 'c'},
-                {"size", 0, 0, 's'},
+                {"directory", 0, 0, 'd'},
+                {"generation", 0, 0, 'g'},
                 {"index", 0, 0, 'i'},
+                {"mdt", 0, 0, 'M'},
                 {"offset", 0, 0, 'o'},
+                {"obd", 1, 0, 'O'},
                 {"pool", 0, 0, 'p'},
+                {"quiet", 0, 0, 'q'},
+                {"recursive", 0, 0, 'r'},
+                {"raw", 0, 0, 'R'},
+                {"size", 0, 0, 's'},
                 {"verbose", 0, 0, 'v'},
-                {"directory", 0, 0, 'd'},
-                {"mdt", 0, 0, 'M'},
                 {0, 0, 0, 0}
         };
         int c, rc;
@@ -835,7 +860,7 @@ static int lfs_getstripe(int argc, char **argv)
 
         param.maxdepth = 1;
         optind = 0;
-        while ((c = getopt_long(argc, argv, "cdhiMoO:pqrsv",
+        while ((c = getopt_long(argc, argv, "cdghiMoO:pqrRsv",
                                 long_opts, NULL)) != -1) {
                 switch (c) {
                 case 'O':
@@ -879,11 +904,25 @@ static int lfs_getstripe(int argc, char **argv)
                         }
                         break;
                 case 'p':
-                        param.verbose |= VERBOSE_POOL;
+                        if (!(param.verbose & VERBOSE_DETAIL)) {
+                                param.verbose |= VERBOSE_POOL;
+                                param.maxdepth = 0;
+                        }
+                        break;
+                case 'g':
+                        if (!(param.verbose & VERBOSE_DETAIL)) {
+                                param.verbose |= VERBOSE_GENERATION;
+                                param.maxdepth = 0;
+                        }
                         break;
                 case 'M':
+                        if (!(param.verbose & VERBOSE_DETAIL))
+                                param.maxdepth = 0;
                         param.get_mdt_index = 1;
                         break;
+                case 'R':
+                        param.raw = 1;
+                        break;
                 case '?':
                         return CMD_HELP;
                 default:
@@ -914,28 +953,54 @@ static int lfs_getstripe(int argc, char **argv)
         return rc;
 }
 
-static int lfs_osts(int argc, char **argv)
+static int lfs_tgts(int argc, char **argv)
 {
-        char mntdir[PATH_MAX] = {'\0'};
+        char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
         struct find_param param;
         int index = 0, rc=0;
 
-        if (argc != 1)
+        if (argc > 2)
                 return CMD_HELP;
 
-        while (llapi_search_mounts(NULL, index++, mntdir, NULL) == 0) {
+        if (argc == 2 && !realpath(argv[1], path)) {
+                rc = -errno;
+                fprintf(stderr, "error: invalid path '%s': %s\n",
+                        argv[1], strerror(-rc));
+                return rc;
+        }
+
+        while (!llapi_search_mounts(path, index++, mntdir, NULL)) {
+                /* Check if we have a mount point */
+                if (mntdir[0] == '\0')
+                        continue;
+
                 memset(&param, 0, sizeof(param));
+                if (!strcmp(argv[0], "mdts"))
+                        param.get_lmv = 1;
+
                 rc = llapi_ostlist(mntdir, &param);
                 if (rc) {
                         fprintf(stderr, "error: %s: failed on %s\n",
                                 argv[0], mntdir);
                 }
+                if (path[0] != '\0')
+                        break;
                 memset(mntdir, 0, PATH_MAX);
         }
 
         return rc;
 }
 
+static int lfs_osts(int argc, char **argv)
+{
+        return lfs_tgts(argc, argv);
+}
+
+static int lfs_mdts(int argc, char **argv)
+{
+        return lfs_tgts(argc, argv);
+}
+
 #define COOK(value)                                                     \
 ({                                                                      \
         int radix = 0;                                                  \
@@ -980,8 +1045,8 @@ static int showdf(char *mntdir, struct obd_statfs *stat,
                         total = (stat->os_blocks * stat->os_bsize) >> shift;
                 }
 
-                if (total > 0)
-                        ratio = (double)used / (double)total;
+                if ((used + avail) > 0)
+                        ratio = (double)used / (double)(used + avail);
 
                 if (cooked) {
                         int i;
@@ -1013,7 +1078,7 @@ static int showdf(char *mntdir, struct obd_statfs *stat,
                         sprintf(abuf, CDF, avail);
                 }
 
-                sprintf(rbuf, RDF, (int)(ratio * 100));
+                sprintf(rbuf, RDF, (int)(ratio * 100 + 0.5));
                 printf(UUF" "CSF" "CSF" "CSF" "RSF" %-s",
                        uuid, tbuf, ubuf, abuf, rbuf, mntdir);
                 if (type)
@@ -1043,7 +1108,7 @@ static int mntdf(char *mntdir, char *fsname, char *pool, int ishow, int cooked)
         struct obd_statfs stat_buf, sum = { .os_bsize = 1 };
         struct obd_uuid uuid_buf;
         char *poolname = NULL;
-        struct ll_stat_type types[] = { { LL_STATFS_MDC, "MDT" },
+        struct ll_stat_type types[] = { { LL_STATFS_LMV, "MDT" },
                                         { LL_STATFS_LOV, "OST" },
                                         { 0, NULL } };
         struct ll_stat_type *tp;
@@ -1088,20 +1153,16 @@ static int mntdf(char *mntdir, char *fsname, char *pool, int ishow, int cooked)
                         /* the llapi_obd_statfs() call may have returned with
                          * an error, but if it filled in uuid_buf we will at
                          * lease use that to print out a message for that OBD.
-                         * If we didn't even fill in uuid_buf something is
-                         * definitely incorrect and no point in continuing. */
-                        if (uuid_buf.uuid[0] != '\0') {
-                                showdf(mntdir,&stat_buf,obd_uuid2str(&uuid_buf),
-                                       ishow, cooked, tp->st_name, index, rc);
-                        } else {
-                                char tmp_uuid[12];
+                         * If we didn't get anything in the uuid_buf, then fill
+                         * it in so that we can print an error message. */
+                        if (uuid_buf.uuid[0] == '\0')
+                                sprintf(uuid_buf.uuid, "%s%04x",
+                                       tp->st_name, index);
+                       showdf(mntdir,&stat_buf,obd_uuid2str(&uuid_buf),
+                              ishow, cooked, tp->st_name, index, rc);
 
-                                sprintf(tmp_uuid, "%s%04x", tp->st_name, index);
-                                showdf(mntdir, &stat_buf, tmp_uuid,
-                                       ishow, cooked, tp->st_name, index, rc);
-                        }
                         if (rc == 0) {
-                                if (tp->st_op == LL_STATFS_MDC) {
+                                if (tp->st_op == LL_STATFS_LMV) {
                                         sum.os_ffree += stat_buf.os_ffree;
                                         sum.os_files += stat_buf.os_files;
                                 } else /* if (tp->st_op == LL_STATFS_LOV) */ {
@@ -1120,16 +1181,15 @@ static int mntdf(char *mntdir, char *fsname, char *pool, int ishow, int cooked)
 
         printf("\n");
         showdf(mntdir, &sum, "filesystem summary:", ishow, cooked, NULL, 0,0);
-
+        printf("\n");
         return 0;
 }
 
 static int lfs_df(int argc, char **argv)
 {
-        char *path = NULL;
-        char *mntdir = NULL;
+        char mntdir[PATH_MAX] = {'\0'}, path[PATH_MAX] = {'\0'};
         int ishow = 0, cooked = 0;
-        int c, rc = 0;
+        int c, rc = 0, index = 0;
         char fsname[PATH_MAX] = "", *pool_name = NULL;
         struct option long_opts[] = {
                 {"pool", required_argument, 0, 'p'},
@@ -1152,46 +1212,65 @@ static int lfs_df(int argc, char **argv)
                         return CMD_HELP;
                 }
         }
-        if (optind < argc )
-                path = argv[optind];
+        if (optind < argc && !realpath(argv[optind], path)) {
+                rc = -errno;
+                fprintf(stderr, "error: invalid path '%s': %s\n",
+                        argv[optind], strerror(-rc));
+                return rc;
+        }
 
-        if ((mntdir = malloc(PATH_MAX)) == NULL) {
-                fprintf(stderr, "error: cannot allocate %d bytes\n",
-                        PATH_MAX);
-                return -ENOMEM;
+        while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
+                /* Check if we have a mount point */
+                if (mntdir[0] == '\0')
+                        continue;
+
+                rc = mntdf(mntdir, fsname, pool_name, ishow, cooked);
+                if (rc || path[0] != '\0')
+                        break;
+                fsname[0] = '\0'; /* avoid matching in next loop */
+                mntdir[0] = '\0'; /* avoid matching in next loop */
         }
-        memset(mntdir, 0, PATH_MAX);
 
-        if (path) {
-                char rpath[PATH_MAX] = {'\0'};
+        return rc;
+}
 
-                if (!realpath(path, rpath)) {
-                        rc = -errno;
-                        fprintf(stderr, "error: invalid path '%s': %s\n",
-                                        path, strerror(-rc));
-                } else {
-                        rc = llapi_search_mounts(rpath, 0, mntdir, fsname);
-                        if (rc == 0 && mntdir[0] != '\0') {
-                                rc = mntdf(mntdir, fsname, pool_name,
-                                           ishow, cooked);
-                                printf("\n");
+static int lfs_getname(int argc, char **argv)
+{
+        char mntdir[PATH_MAX] = "", path[PATH_MAX] = "", fsname[PATH_MAX] = "";
+        int rc = 0, index = 0, c;
+        char buf[sizeof(struct obd_uuid)];
+
+        optind = 0;
+        while ((c = getopt(argc, argv, "h")) != -1)
+                return CMD_HELP;
+
+        if (optind == argc) { /* no paths specified, get all paths. */
+                while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
+                        rc = llapi_getname(mntdir, buf, sizeof(buf));
+                        if (rc < 0) {
+                                fprintf(stderr,
+                                        "cannot get name for `%s': %s\n",
+                                        mntdir, strerror(-rc));
+                                break;
                         }
-                }
-        } else {
-                int index = 0;
 
-                while (llapi_search_mounts(NULL, index++, mntdir, fsname)==0) {
-                        rc = mntdf(mntdir, fsname, pool_name,
-                                   ishow, cooked);
-                        if (rc)
+                        printf("%s %s\n", buf, mntdir);
+
+                        path[0] = fsname[0] = mntdir[0] = 0;
+                }
+        } else { /* paths specified, only attempt to search these. */
+                for (; optind < argc; optind++) {
+                        rc = llapi_getname(argv[optind], buf, sizeof(buf));
+                        if (rc < 0) {
+                                fprintf(stderr,
+                                        "cannot get name for `%s': %s\n",
+                                        argv[optind], strerror(-rc));
                                 break;
-                        printf("\n");
-                        fsname[0] = '\0'; /* avoid matching in next loop */
-                        mntdir[0] = '\0'; /* avoid matching in next loop */
+                        }
+
+                        printf("%s %s\n", buf, argv[optind]);
                 }
         }
-
-        free(mntdir);
         return rc;
 }
 
@@ -1312,7 +1391,7 @@ static int lfs_quotacheck(int argc, char **argv)
         memset(&qchk, 0, sizeof(qchk));
 
         optind = 0;
-        while ((c = getopt(argc, argv, "ug")) != -1) {
+        while ((c = getopt(argc, argv, "gu")) != -1) {
                 switch (c) {
                 case 'u':
                         check_type |= 0x01;
@@ -1339,7 +1418,7 @@ static int lfs_quotacheck(int argc, char **argv)
 
         rc = llapi_quotacheck(mnt, check_type);
         if (rc) {
-                fprintf(stderr, "quotacheck failed: %s\n", strerror(errno));
+                fprintf(stderr, "quotacheck failed: %s\n", strerror(-rc));
                 return rc;
         }
 
@@ -1348,7 +1427,7 @@ static int lfs_quotacheck(int argc, char **argv)
                 if (*obd_type)
                         fprintf(stderr, "%s %s ", obd_type,
                                 obd_uuid2str(&qchk.obd_uuid));
-                fprintf(stderr, "quota check failed: %s\n", strerror(errno));
+                fprintf(stderr, "quota check failed: %s\n", strerror(-rc));
                 return rc;
         }
 
@@ -1356,12 +1435,12 @@ static int lfs_quotacheck(int argc, char **argv)
         qctl.qc_cmd = LUSTRE_Q_QUOTAON;
         qctl.qc_type = check_type;
         rc = llapi_quotactl(mnt, &qctl);
-        if (rc && errno != EALREADY) {
+        if (rc && rc != -EALREADY) {
                 if (*obd_type)
                         fprintf(stderr, "%s %s ", (char *)qctl.obd_type,
                                 obd_uuid2str(&qctl.obd_uuid));
                 fprintf(stderr, "%s turn on quota failed: %s\n",
-                        argv[0], strerror(errno));
+                        argv[0], strerror(-rc));
                 return rc;
         }
 
@@ -1380,7 +1459,7 @@ static int lfs_quotaon(int argc, char **argv)
         qctl.qc_cmd = LUSTRE_Q_QUOTAON;
 
         optind = 0;
-        while ((c = getopt(argc, argv, "ugf")) != -1) {
+        while ((c = getopt(argc, argv, "fgu")) != -1) {
                 switch (c) {
                 case 'u':
                         qctl.qc_type |= 0x01;
@@ -1410,9 +1489,9 @@ static int lfs_quotaon(int argc, char **argv)
 
         rc = llapi_quotactl(mnt, &qctl);
         if (rc) {
-                if (errno == EALREADY) {
+                if (rc == -EALREADY) {
                         rc = 0;
-                } else if (errno == ENOENT) {
+                } else if (rc == -ENOENT) {
                         fprintf(stderr, "error: cannot find quota database, "
                                         "make sure you have run quotacheck\n");
                 } else {
@@ -1420,7 +1499,7 @@ static int lfs_quotaon(int argc, char **argv)
                                 fprintf(stderr, "%s %s ", obd_type,
                                         obd_uuid2str(&qctl.obd_uuid));
                         fprintf(stderr, "%s failed: %s\n", argv[0],
-                                strerror(errno));
+                                strerror(-rc));
                 }
         }
 
@@ -1439,7 +1518,7 @@ static int lfs_quotaoff(int argc, char **argv)
         qctl.qc_cmd = LUSTRE_Q_QUOTAOFF;
 
         optind = 0;
-        while ((c = getopt(argc, argv, "ug")) != -1) {
+        while ((c = getopt(argc, argv, "gu")) != -1) {
                 switch (c) {
                 case 'u':
                         qctl.qc_type |= 0x01;
@@ -1466,14 +1545,14 @@ static int lfs_quotaoff(int argc, char **argv)
 
         rc = llapi_quotactl(mnt, &qctl);
         if (rc) {
-                if (errno == EALREADY) {
+                if (rc == -EALREADY) {
                         rc = 0;
                 } else {
                         if (*obd_type)
                                 fprintf(stderr, "%s %s ", obd_type,
                                         obd_uuid2str(&qctl.obd_uuid));
                         fprintf(stderr, "quotaoff failed: %s\n",
-                                strerror(errno));
+                                strerror(-rc));
                 }
         }
 
@@ -1491,7 +1570,7 @@ static int lfs_quotainv(int argc, char **argv)
         qctl.qc_cmd = LUSTRE_Q_INVALIDATE;
 
         optind = 0;
-        while ((c = getopt(argc, argv, "ugf")) != -1) {
+        while ((c = getopt(argc, argv, "fgu")) != -1) {
                 switch (c) {
                 case 'u':
                         qctl.qc_type |= 0x01;
@@ -1521,7 +1600,7 @@ static int lfs_quotainv(int argc, char **argv)
 
         rc = llapi_quotactl(mnt, &qctl);
         if (rc) {
-                fprintf(stderr, "quotainv failed: %s\n", strerror(errno));
+                fprintf(stderr, "quotainv failed: %s\n", strerror(-rc));
                 return rc;
         }
 
@@ -1597,9 +1676,9 @@ error:
         return ULONG_MAX;
 }
 
-#define ARG2ULL(nr, str, defscale)                                      \
+#define ARG2ULL(nr, str, def_units)                                     \
 do {                                                                    \
-        unsigned long long limit, units = 0;                            \
+        unsigned long long limit, units = def_units;                    \
         int rc;                                                         \
                                                                         \
         rc = parse_size(str, &limit, &units, 1);                        \
@@ -1607,7 +1686,7 @@ do {                                                                    \
                 fprintf(stderr, "error: bad limit value %s\n", str);    \
                 return CMD_HELP;                                        \
         }                                                               \
-        nr = ((units == 0) ? (defscale) : 1) * limit;                   \
+        nr = limit;                                                     \
 } while (0)
 
 static inline int has_times_option(int argc, char **argv)
@@ -1629,11 +1708,11 @@ int lfs_setquota_times(int argc, char **argv)
         struct obd_dqblk *dqb = &qctl.qc_dqblk;
         struct obd_dqinfo *dqi = &qctl.qc_dqinfo;
         struct option long_opts[] = {
-                {"user",            no_argument,       0, 'u'},
-                {"group",           no_argument,       0, 'g'},
                 {"block-grace",     required_argument, 0, 'b'},
+                {"group",           no_argument,       0, 'g'},
                 {"inode-grace",     required_argument, 0, 'i'},
                 {"times",           no_argument,       0, 't'},
+                {"user",            no_argument,       0, 'u'},
                 {0, 0, 0, 0}
         };
 
@@ -1642,7 +1721,7 @@ int lfs_setquota_times(int argc, char **argv)
         qctl.qc_type = UGQUOTA;
 
         optind = 0;
-        while ((c = getopt_long(argc, argv, "b:i:gtu", long_opts, NULL)) != -1) {
+        while ((c = getopt_long(argc, argv, "b:gi:tu", long_opts, NULL)) != -1) {
                 switch (c) {
                 case 'u':
                 case 'g':
@@ -1692,7 +1771,7 @@ int lfs_setquota_times(int argc, char **argv)
                 if (*obd_type)
                         fprintf(stderr, "%s %s ", obd_type,
                                 obd_uuid2str(&qctl.obd_uuid));
-                fprintf(stderr, "setquota failed: %s\n", strerror(errno));
+                fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
                 return rc;
         }
 
@@ -1711,12 +1790,12 @@ int lfs_setquota(int argc, char **argv)
         char *mnt, *obd_type = (char *)qctl.obd_type;
         struct obd_dqblk *dqb = &qctl.qc_dqblk;
         struct option long_opts[] = {
-                {"user",            required_argument, 0, 'u'},
-                {"group",           required_argument, 0, 'g'},
                 {"block-softlimit", required_argument, 0, 'b'},
                 {"block-hardlimit", required_argument, 0, 'B'},
+                {"group",           required_argument, 0, 'g'},
                 {"inode-softlimit", required_argument, 0, 'i'},
                 {"inode-hardlimit", required_argument, 0, 'I'},
+                {"user",            required_argument, 0, 'u'},
                 {0, 0, 0, 0}
         };
         unsigned limit_mask = 0;
@@ -1732,7 +1811,7 @@ int lfs_setquota(int argc, char **argv)
                                  * isn't reinitialized from command line */
 
         optind = 0;
-        while ((c = getopt_long(argc, argv, "b:B:i:I:g:u:", long_opts, NULL)) != -1) {
+        while ((c = getopt_long(argc, argv, "b:B:g:i:I:u:", long_opts, NULL)) != -1) {
                 switch (c) {
                 case 'u':
                 case 'g':
@@ -1804,7 +1883,7 @@ int lfs_setquota(int argc, char **argv)
                 if (rc < 0) {
                         fprintf(stderr, "error: setquota failed while retrieving"
                                         " current quota settings (%s)\n",
-                                        strerror(errno));
+                                        strerror(-rc));
                         return rc;
                 }
 
@@ -1837,7 +1916,7 @@ int lfs_setquota(int argc, char **argv)
                 if (*obd_type)
                         fprintf(stderr, "%s %s ", obd_type,
                                 obd_uuid2str(&qctl.obd_uuid));
-                fprintf(stderr, "setquota failed: %s\n", strerror(errno));
+                fprintf(stderr, "setquota failed: %s\n", strerror(-rc));
                 return rc;
         }
 
@@ -1854,7 +1933,6 @@ static inline char *type2name(int check_type)
                 return "unknown";
 }
 
-
 /* Converts seconds value into format string
  * result is returned in buf
  * Notes:
@@ -1862,12 +1940,12 @@ static inline char *type2name(int check_type)
  *        2. zero fields are not filled (except for p. 3): 5d1s
  *        3. zero seconds value is presented as "0s"
  */
-static void sec2str(time_t seconds, char *buf)
+static char * __sec2str(time_t seconds, char *buf)
 {
         const char spec[] = "smhdw";
         const unsigned long mult[] = {1, 60, 60*60, 24*60*60, 7*24*60*60};
         unsigned long c;
-        chartail = buf;
+        char *tail = buf;
         int i;
 
         for (i = sizeof(mult) / sizeof(mult[0]) - 1 ; i >= 0; i--) {
@@ -1878,8 +1956,24 @@ static void sec2str(time_t seconds, char *buf)
 
                 seconds %= mult[i];
         }
+
+        return tail;
 }
 
+static void sec2str(time_t seconds, char *buf, int rc)
+{
+        char *tail = buf;
+
+        if (rc)
+                *tail++ = '[';
+
+        tail = __sec2str(seconds, tail);
+
+        if (rc && tail - buf < 39) {
+                *tail++ = ']';
+                *tail++ = 0;
+        }
+}
 
 static void diff2str(time_t seconds, char *buf, time_t now)
 {
@@ -1891,7 +1985,7 @@ static void diff2str(time_t seconds, char *buf, time_t now)
                 strcpy(buf, "none");
                 return;
         }
-        sec2str(seconds - now, buf);
+        __sec2str(seconds - now, buf);
 }
 
 static void print_quota_title(char *name, struct if_quotactl *qctl)
@@ -1918,8 +2012,7 @@ static void print_quota(char *mnt, struct if_quotactl *qctl, int type, int rc)
                 if (dqb->dqb_bhardlimit &&
                     toqb(dqb->dqb_curspace) >= dqb->dqb_bhardlimit) {
                         bover = 1;
-                } else if (dqb->dqb_bsoftlimit &&
-                           toqb(dqb->dqb_curspace) >= dqb->dqb_bsoftlimit) {
+                } else if (dqb->dqb_bsoftlimit && dqb->dqb_btime) {
                         if (dqb->dqb_btime > now) {
                                 bover = 2;
                         } else {
@@ -1930,8 +2023,7 @@ static void print_quota(char *mnt, struct if_quotactl *qctl, int type, int rc)
                 if (dqb->dqb_ihardlimit &&
                     dqb->dqb_curinodes >= dqb->dqb_ihardlimit) {
                         iover = 1;
-                } else if (dqb->dqb_isoftlimit &&
-                           dqb->dqb_curinodes >= dqb->dqb_isoftlimit) {
+                } else if (dqb->dqb_isoftlimit && dqb->dqb_itime) {
                         if (dqb->dqb_btime > now) {
                                 iover = 2;
                         } else {
@@ -1953,7 +2045,7 @@ static void print_quota(char *mnt, struct if_quotactl *qctl, int type, int rc)
 
                         if (bover)
                                 diff2str(dqb->dqb_btime, timebuf, now);
-                        if (rc == -1 && errno == EREMOTEIO)
+                        if (rc == -EREMOTEIO)
                                 sprintf(numbuf[0], LPU64"*",
                                         toqb(dqb->dqb_curspace));
                         else
@@ -1999,8 +2091,8 @@ static void print_quota(char *mnt, struct if_quotactl *qctl, int type, int rc)
                 char bgtimebuf[40];
                 char igtimebuf[40];
 
-                sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf);
-                sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf);
+                sec2str(qctl->qc_dqinfo.dqi_bgrace, bgtimebuf, rc);
+                sec2str(qctl->qc_dqinfo.dqi_igrace, igtimebuf, rc);
                 printf("Block grace time: %s; Inode grace time: %s\n",
                        bgtimebuf, igtimebuf);
         }
@@ -2014,7 +2106,7 @@ static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt)
         rc = llapi_get_obd_count(mnt, &count, is_mdt);
         if (rc) {
                 fprintf(stderr, "can not get %s count: %s\n",
-                        is_mdt ? "mdt": "ost", strerror(errno));
+                        is_mdt ? "mdt": "ost", strerror(-rc));
                 return rc;
         }
 
@@ -2023,7 +2115,7 @@ static int print_obd_quota(char *mnt, struct if_quotactl *qctl, int is_mdt)
                 rc = llapi_quotactl(mnt, qctl);
                 if (rc) {
                         /* It is remote client case. */
-                        if (errno == EOPNOTSUPP) {
+                        if (-rc == EOPNOTSUPP) {
                                 rc = 0;
                                 goto out;
                         }
@@ -2057,7 +2149,7 @@ static int lfs_quota(int argc, char **argv)
         __u32 valid = QC_GENERAL, idx = 0;
 
         optind = 0;
-        while ((c = getopt(argc, argv, "ugto:i:I:qv")) != -1) {
+        while ((c = getopt(argc, argv, "gi:I:o:qtuv")) != -1) {
                 switch (c) {
                 case 'u':
                         if (qctl.qc_type != UGQUOTA) {
@@ -2147,20 +2239,20 @@ ug_output:
         mnt = argv[optind];
 
         rc1 = llapi_quotactl(mnt, &qctl);
-        if (rc1 == -1) {
-                switch (errno) {
-                case ESRCH:
+        if (rc1 < 0) {
+                switch (rc1) {
+                case -ESRCH:
                         fprintf(stderr, "%s quotas are not enabled.\n",
                                 qctl.qc_type == USRQUOTA ? "user" : "group");
                         goto out;
-                case EPERM:
+                case -EPERM:
                         fprintf(stderr, "Permission denied.\n");
-                case ENOENT:
+                case -ENOENT:
                         /* We already got a "No such file..." message. */
                         goto out;
                 default:
                         fprintf(stderr, "Unexpected quotactl error: %s\n",
-                                strerror(errno));
+                                strerror(-rc1));
                 }
         }
 
@@ -2372,10 +2464,14 @@ static int lfs_changelog(int argc, char **argv)
                 time_t secs;
                 struct tm ts;
 
-                if (endrec && rec->cr_index > endrec)
+                if (endrec && rec->cr_index > endrec) {
+                        llapi_changelog_free(&rec);
                         break;
-                if (rec->cr_index < startrec)
+                }
+                if (rec->cr_index < startrec) {
+                        llapi_changelog_free(&rec);
                         continue;
+                }
 
                 secs = rec->cr_time >> 30;
                 gmtime_r(&secs, &ts);