[PATCH] Implement a/c/time speedup in ext2 & ext3

Turn on MS_ONE_SECOND in ext2 and ext3.

fs/ext2/super.c

@@ -598,6 +598,7 @@ static int ext2_fill_super(struct super_block *sb, void *data, int silent)
 	es = (struct ext2_super_block *) (((char *)bh->b_data) + offset);
 	sbi->s_es = es;
 	sb->s_magic = le16_to_cpu(es->s_magic);
+	sb->s_flags |= MS_ONE_SECOND;
 	if (sb->s_magic != EXT2_SUPER_MAGIC) {
 		if (!silent)
 			printk ("VFS: Can't find ext2 filesystem on dev %s.\n",

fs/ext3/super.c

@@ -1097,6 +1097,7 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
 	if (!parse_options ((char *) data, sbi, &journal_inum, 0))
 		goto failed_mount;
 
+	sb->s_flags |= MS_ONE_SECOND;
 	sb->s_flags = (sb->s_flags & ~MS_POSIXACL) |
 		((sbi->s_mount_opt & EXT3_MOUNT_POSIX_ACL) ? MS_POSIXACL : 0);