Add block size cli option to mkfs tool

[lwext4.git] / fs_test / lwext4_mkfs.c

diff --git a/fs_test/lwext4_mkfs.c b/fs_test/lwext4_mkfs.c
index 6bc3fe6ce1a30bf6641370b792f57046e5b5fb46..edc32facbdf5e8a070525d2784cf534d73ad9080 100644 (file)
--- a/fs_test/lwext4_mkfs.c
+++ b/fs_test/lwext4_mkfs.c
@@ -52,8 +52,9 @@ static struct ext4_blockdev *bd;
 static bool winpart = false;
 
 static struct ext4_fs fs;
-
-static struct ext4_mkfs_info info;
+static struct ext4_mkfs_info info = {
+       .block_size = 4096,
+};
 
 static bool verbose = false;
 
@@ -64,6 +65,7 @@ Usage:                                                          \n\
 [-i] --input   - input file name (or blockdevice)               \n\
 [-w] --wpart   - windows partition mode                         \n\
 [-v] --verbose - verbose mode                                  \n\
+[-b] --block   - block size: 1024, 2048 ... 65536 (default 4096)\n\
 \n";
 
 
@@ -115,17 +117,21 @@ static bool parse_opt(int argc, char **argv)
 
        static struct option long_options[] = {
            {"input", required_argument, 0, 'i'},
+           {"block", required_argument, 0, 'b'},
            {"wpart", no_argument, 0, 'w'},
            {"verbose", no_argument, 0, 'v'},
            {0, 0, 0, 0}};
 
-       while (-1 != (c = getopt_long(argc, argv, "i:wv",
+       while (-1 != (c = getopt_long(argc, argv, "i:b:wv",
                                      long_options, &option_index))) {
 
                switch (c) {
                case 'i':
                        input_name = optarg;
                        break;
+               case 'b':
+                       info.block_size = atoi(optarg);
+                       break;
                case 'w':
                        winpart = true;
                        break;