diff options
-rw-r--r-- | misc/mke2fs.c | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/misc/mke2fs.c b/misc/mke2fs.c index 4748f4ab..98c2035f 100644 --- a/misc/mke2fs.c +++ b/misc/mke2fs.c @@ -1346,7 +1346,7 @@ profile_error: break; case 'C': cluster_size = strtoul(optarg, &tmp, 0); - if (cluster_size < EXT2_MIN_CLUSTER_SIZE || + if (cluster_size <= EXT2_MIN_CLUSTER_SIZE || cluster_size > EXT2_MAX_CLUSTER_SIZE || *tmp) { com_err(program_name, 0, _("invalid cluster size - %s"), @@ -1847,6 +1847,13 @@ profile_error: blocksize*16); fs_param.s_log_cluster_size = int_log2(cluster_size >> EXT2_MIN_CLUSTER_LOG_SIZE); + if (fs_param.s_log_cluster_size && + fs_param.s_log_cluster_size < fs_param.s_log_block_size) { + com_err(program_name, 0, + _("The cluster size may not be " + "smaller than the block size.\n")); + exit(1); + } } else if (cluster_size) { com_err(program_name, 0, _("specifying a cluster size requires the " |