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authorDenis Vlasenko2009-03-28 03:22:08 +0000
committerDenis Vlasenko2009-03-28 03:22:08 +0000
commitf54dd0917169de33faf799a6f0aaae9a1b7d3ce7 (patch)
tree00ab50668f8970375125b4cbb906c2e0ac4229f5
parent14ee4e65f196c451a9eea45a9936b4fe38533178 (diff)
downloadbusybox-f54dd0917169de33faf799a6f0aaae9a1b7d3ce7.zip
busybox-f54dd0917169de33faf799a6f0aaae9a1b7d3ce7.tar.gz
mkfs.vfat: mkdosfs compat with choosing clyster size
-rw-r--r--util-linux/mkfs_vfat.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/util-linux/mkfs_vfat.c b/util-linux/mkfs_vfat.c
index 679fcf1..30996b2 100644
--- a/util-linux/mkfs_vfat.c
+++ b/util-linux/mkfs_vfat.c
@@ -198,7 +198,6 @@ int mkfs_vfat_main(int argc UNUSED_PARAM, char **argv)
char *buf;
char *device_name;
uoff_t volume_size_bytes;
- uoff_t volume_size_blocks;
uoff_t volume_size_sect;
uint32_t total_clust;
uint32_t volume_id;
@@ -293,7 +292,6 @@ int mkfs_vfat_main(int argc UNUSED_PARAM, char **argv)
bb_error_msg_and_die("image size is too big");
volume_size_bytes *= 1024;
}
- volume_size_blocks = (volume_size_bytes >> BLOCK_SIZE_BITS);
volume_size_sect = volume_size_bytes / bytes_per_sect;
//
@@ -325,9 +323,9 @@ int mkfs_vfat_main(int argc UNUSED_PARAM, char **argv)
* fs size <= 16G: 8k clusters
* fs size > 16G: 16k clusters
*/
- sect_per_clust = volume_size_bytes > ((off_t)16)*1024*1024*1024 ? 32 :
- volume_size_bytes > ((off_t)8)*1024*1024*1024 ? 16 :
- volume_size_bytes > 260*1024*1024 ? 8 : 1;
+ sect_per_clust = volume_size_bytes >= ((off_t)16)*1024*1024*1024 ? 32 :
+ volume_size_bytes >= ((off_t)8)*1024*1024*1024 ? 16 :
+ volume_size_bytes >= 260*1024*1024 ? 8 : 1;
} else {
int not_floppy = ioctl(dev, FDGETPRM, &param);
if (not_floppy == 0) {
@@ -531,6 +529,7 @@ int mkfs_vfat_main(int argc UNUSED_PARAM, char **argv)
#if 0
if (opts & OPT_c) {
+ uoff_t volume_size_blocks;
unsigned start_data_sector;
unsigned start_data_block;
unsigned badblocks = 0;
@@ -538,6 +537,7 @@ int mkfs_vfat_main(int argc UNUSED_PARAM, char **argv)
off_t currently_testing;
char *blkbuf = xmalloc(BLOCK_SIZE * TEST_BUFFER_BLOCKS);
+ volume_size_blocks = (volume_size_bytes >> BLOCK_SIZE_BITS);
// N.B. the two following vars are in hard sectors, i.e. SECTOR_SIZE byte sectors!
start_data_sector = (reserved_sect + NUM_FATS * sect_per_fat) * (bytes_per_sect / SECTOR_SIZE);
start_data_block = (start_data_sector + SECTORS_PER_BLOCK - 1) / SECTORS_PER_BLOCK;