"\thashtype: hash type of the striped directory.\n"
"\t fnv_1a_64 FNV-1a hash algorithm\n"
"\t all_char sum of characters % MDT_COUNT\n"},
- {"check", lfs_check, 0,
+ {"check", lfs_check, 0,
"Display the status of MGTs, MDTs or OSTs (as specified in the command)\n"
"or all the servers (MGTs, MDTs and OSTs).\n"
"usage: check <mgts|osts|mdts|all>"},
- {"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] [--lazy|-l] [--pool|-p <fsname>[.<pool>] [path]"},
- {"getname", lfs_getname, 0, "list instances and specified mount points "
- "[for specified path only]\n"
- "Usage: getname [-h]|[path ...] "},
+ {"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] [--lazy|-l] [--pool|-p <fsname>[.<pool>] [path]"},
+ {"getname", lfs_getname, 0,
+ "list instances and specified mount points [for specified path only]\n"
+ "Usage: getname [--help|-h] [--instance|-i] [--fsname|-n] [path ...]"},
#ifdef HAVE_SYS_QUOTA_H
- {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
+ {"setquota", lfs_setquota, 0, "Set filesystem quotas.\n"
"usage: setquota <-u|-g|-p> <uname>|<uid>|<gname>|<gid>|<projid>\n"
- " -b <block-softlimit> -B <block-hardlimit>\n"
- " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
+ " -b <block-softlimit> -B <block-hardlimit>\n"
+ " -i <inode-softlimit> -I <inode-hardlimit> <filesystem>\n"
" setquota <-u|--user|-g|--group|-p|--projid> <uname>|<uid>|<gname>|<gid>|<projid>\n"
" [--block-softlimit <block-softlimit>]\n"
" [--block-hardlimit <block-hardlimit>]\n"
return rc;
}
+static int print_instance(const char *mntdir, char *fsname, size_t fsnamelen,
+ bool opt_instance, bool opt_fsname, bool opt_mntdir)
+{
+ char *buf = fsname;
+
+ /* llapi_search_mounts() fills "fsname", but that is not called if
+ * explicit paths are specified on the command-line
+ */
+ if (opt_instance || (opt_fsname && fsname[0] == '\0')) {
+ int rc = llapi_getname(mntdir, fsname, fsnamelen);
+
+ if (rc < 0) {
+ fprintf(stderr, "cannot get instance for '%s': %s\n",
+ mntdir, strerror(-rc));
+ return rc;
+ }
+ buf = fsname;
+ if (!opt_instance) {
+ /* print only the fsname name */
+ buf = strchr(fsname, '-');
+ if (buf)
+ *buf = '\0';
+ buf = fsname;
+ } else if (!opt_fsname) {
+ /* print only the instance name */
+ buf = strchr(fsname, '-');
+ if (buf)
+ buf++;
+ else
+ buf = fsname;
+ }
+ } else if (opt_fsname) {
+ /* print only the fsname */
+ buf = fsname;
+ }
+
+ printf("%s %s\n", buf, opt_mntdir ? mntdir : "");
+
+ return 0;
+}
+
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)];
+ struct option long_opts[] = {
+ { .val = 'h', .name = "help", .has_arg = no_argument },
+ { .val = 'i', .name = "instance", .has_arg = no_argument },
+ { .val = 'n', .name = "fsname", .has_arg = no_argument },
+ { .name = NULL} };
+ bool opt_instance = false, opt_fsname = false;
+ char fsname[PATH_MAX] = "";
+ int rc = 0, rc2, c;
- while ((c = getopt(argc, argv, "h")) != -1)
- return CMD_HELP;
+ while ((c = getopt_long(argc, argv, "hin", long_opts, NULL)) != -1) {
+ switch (c) {
+ case 'i':
+ opt_instance = true;
+ break;
+ case 'n':
+ opt_fsname = true;
+ break;
+ case 'h':
+ default:
+ 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;
- }
+ /* If neither option is given, print both instance and fsname */
+ if (!opt_instance && !opt_fsname)
+ opt_instance = opt_fsname = true;
- printf("%s %s\n", buf, mntdir);
+ if (optind == argc) { /* no paths specified, get all paths. */
+ char mntdir[PATH_MAX] = "", path[PATH_MAX] = "";
+ int index = 0;
- 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;
- }
+ while (!llapi_search_mounts(path, index++, mntdir, fsname)) {
+ rc2 = print_instance(mntdir, fsname, sizeof(fsname),
+ opt_instance, opt_fsname, true);
+ if (!rc)
+ rc = rc2;
+ path[0] = fsname[0] = mntdir[0] = '\0';
+ }
+ } else { /* paths specified, only attempt to search these. */
+ bool opt_mntdir;
- printf("%s %s\n", buf, argv[optind]);
- }
- }
- return rc;
+ /* if only one path is given, print only requested info */
+ opt_mntdir = argc - optind > 1 || (opt_instance == opt_fsname);
+
+ for (; optind < argc; optind++) {
+ rc2 = print_instance(argv[optind], fsname,
+ sizeof(fsname), opt_instance,
+ opt_fsname, opt_mntdir);
+ if (!rc)
+ rc = rc2;
+ fsname[0] = '\0';
+ }
+ }
+
+ return rc;
}
static int lfs_check(int argc, char **argv)
git://git.whamcloud.com / fs / lustre-release.git / blobdiff