[git commit master] mkfs_ext2: code shrink

Denys Vlasenko vda.linux at googlemail.com
Sat Oct 17 21:47:36 UTC 2009


commit: http://git.busybox.net/busybox/commit/?id=69d9edc6f8387ed0ec4742a5de895b22b3910818
branch: http://git.busybox.net/busybox/commit/?id=refs/heads/master

function                                             old     new   delta
mkfs_ext2_main                                      1933    1924      -9

Signed-off-by: Denys Vlasenko <vda.linux at googlemail.com>
---
 util-linux/mkfs_ext2.c |    4 +---
 1 files changed, 1 insertions(+), 3 deletions(-)

diff --git a/util-linux/mkfs_ext2.c b/util-linux/mkfs_ext2.c
index 83e8105..6b059d9 100644
--- a/util-linux/mkfs_ext2.c
+++ b/util-linux/mkfs_ext2.c
@@ -275,9 +275,7 @@ int mkfs_ext2_main(int argc UNUSED_PARAM, char **argv)
 	 * don't check all the filesystems at the same time.  We use a
 	 * kludgy hack of using the UUID to derive a random jitter value.
 	 */
-	for (i = 0, n = 0; i < sizeof(sb->s_uuid); i++)
-		n += sb->s_uuid[i];
-	sb->s_max_mnt_count += n % EXT2_DFL_MAX_MNT_COUNT;
+	sb->s_max_mnt_count += sb->s_uuid[ARRAY_SIZE(sb->s_uuid)-1] % EXT2_DFL_MAX_MNT_COUNT;
 
 	// open the device, get number of blocks
 	xmove_fd(xopen3(argv[0], O_WRONLY | O_CREAT, 0666), fd);
-- 
1.6.3.3



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