LU-9767 utils: validate filesystem name for mkfs.lustre

[fs/lustre-release.git] / lustre / utils / obd.c

diff --git a/lustre/utils/obd.c b/lustre/utils/obd.c
index db5d248..33b67ca 100644 (file)
--- a/lustre/utils/obd.c
+++ b/lustre/utils/obd.c
@@ -3149,8 +3149,24 @@ static int pool_cmd(enum lcfg_command_type cmd,
 out:
         if (rc)
                 rc = -errno;
+       switch (rc) {
+       case -ENAMETOOLONG:
+               fprintf(stderr, "error: %s: either the pool or file "
+                       "system name is too long (max pool name len "
+                       "is %d and file system name is %d)\n",
+                       jt_cmdname(cmdname), LOV_MAXPOOLNAME,
+                       LUSTRE_MAXFSNAME);
+               break;
+       case -EINVAL:
+               fprintf(stderr, "error: %s can contain only "
+                       "alphanumeric characters, underscores, and "
+                       "dashes besides the required '.'\n",
+                       jt_cmdname(cmdname));
+       default:
+               break;
+       }
        free(lcfg);
-        return rc;
+       return rc;
 }
 
 /**