From f7f0e8567f9a50546881ee66f70689df694ebabf Mon Sep 17 00:00:00 2001
From: Shen Feng <shen@cn.fujitsu.com>
Date: Wed, 7 Jan 2009 14:57:12 -0500
Subject: [PATCH] Make the minimum filesystem size error message more clear

Signed-off-by: Shen Feng <shen@cn.fujitsu.com>
---
 mkfs.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/mkfs.c b/mkfs.c
index 89de8ac9..76d3a591 100644
--- a/mkfs.c
+++ b/mkfs.c
@@ -373,6 +373,13 @@ int main(int ac, char **av)
 				break;
 			case 'b':
 				block_count = parse_size(optarg);
+				if (block_count < 256*1024*1024) {
+					fprintf(stderr, "File system size "
+						"%llu bytes is too small, "
+						"256M is required at least\n",
+						block_count);
+					exit(1);
+				}
 				zero_end = 0;
 				break;
 			default: