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authorDenis Vlasenko2006-11-29 22:47:42 +0000
committerDenis Vlasenko2006-11-29 22:47:42 +0000
commit016a82e279f135e9c385f0d2a73eafcc63bed5c3 (patch)
tree6ef32fc33750e6aa4fe008356903410fb70e2684 /util-linux/mkfs_minix.c
parent66b86c690245714d9c59bf4487d081115f2d820b (diff)
downloadbusybox-016a82e279f135e9c385f0d2a73eafcc63bed5c3.zip
busybox-016a82e279f135e9c385f0d2a73eafcc63bed5c3.tar.gz
another -90 bytes. That #define is **evil**
Diffstat (limited to 'util-linux/mkfs_minix.c')
-rw-r--r--util-linux/mkfs_minix.c20
1 files changed, 12 insertions, 8 deletions
diff --git a/util-linux/mkfs_minix.c b/util-linux/mkfs_minix.c
index 687cf67..981c2f9 100644
--- a/util-linux/mkfs_minix.c
+++ b/util-linux/mkfs_minix.c
@@ -503,8 +503,10 @@ static void make_root_inode2(void)
static void setup_tables(void)
{
- int i;
unsigned long inodes;
+ unsigned norm_firstzone;
+ uint16_t sb_zmaps;
+ int i;
memset(super_block_buffer, 0, BLOCK_SIZE);
memset(boot_block_buffer, 0, 512);
@@ -539,19 +541,21 @@ static void setup_tables(void)
* dd if=/dev/zero of=test.fs count=10 bs=1024
* mkfs.minix -i 200 test.fs
*/
- /* This code is not insane: NORM_FIRSTZONE is not a constant, */
- /* it uses previous value of SB_ZMAPS inside */
+ /* This code is not insane: NORM_FIRSTZONE is not a constant,
+ * it is calculated from SB_INODES, SB_IMAPS and SB_ZMAPS */
i = 999;
SB_ZMAPS = 0;
do {
- uint16_t t = div_roundup(total_blocks - NORM_FIRSTZONE + 1, BITS_PER_BLOCK);
- if (SB_ZMAPS == t) goto got_it;
- SB_ZMAPS = t;
+ norm_firstzone = NORM_FIRSTZONE;
+ sb_zmaps = div_roundup(total_blocks - norm_firstzone + 1, BITS_PER_BLOCK);
+ if (SB_ZMAPS == sb_zmaps) goto got_it;
+ SB_ZMAPS = sb_zmaps;
+ /* new SB_ZMAPS, need to recalc NORM_FIRSTZONE */
} while (--i);
bb_error_msg_and_die("incompatible size/inode count, try different -i N");
got_it:
- SB_FIRSTZONE = NORM_FIRSTZONE;
+ SB_FIRSTZONE = norm_firstzone;
inode_map = xmalloc(SB_IMAPS * BLOCK_SIZE);
zone_map = xmalloc(SB_ZMAPS * BLOCK_SIZE);
memset(inode_map, 0xff, SB_IMAPS * BLOCK_SIZE);
@@ -563,7 +567,7 @@ static void setup_tables(void)
inode_buffer = xzalloc(INODE_BUFFER_SIZE);
printf("%ld inodes\n", (long)SB_INODES);
printf("%ld blocks\n", (long)SB_ZONES);
- printf("Firstdatazone=%ld (%ld)\n", (long)SB_FIRSTZONE, (long)NORM_FIRSTZONE);
+ printf("Firstdatazone=%ld (%ld)\n", (long)SB_FIRSTZONE, (long)norm_firstzone);
printf("Zonesize=%d\n", BLOCK_SIZE << SB_ZONE_SIZE);
printf("Maxsize=%ld\n", (long)SB_MAXSIZE);
}