From: Chris Mason <mason@xxxxxxxx> This patch turns on barriers by default for ext3. mount -o barrier=0 will turn them off. Acked-by: Jeff Mahoney <jeffm@xxxxxxxx> Index: linux-2.6/fs/ext3/super.c =================================================================== --- linux-2.6.orig/fs/ext3/super.c 2011-06-30 21:19:37.389544975 +0200 +++ linux-2.6/fs/ext3/super.c 2011-07-02 13:56:51.877784292 +0200 @@ -1718,6 +1718,8 @@ static int ext3_fill_super (struct super sbi->s_resuid = le16_to_cpu(es->s_def_resuid); sbi->s_resgid = le16_to_cpu(es->s_def_resgid); + /* enable barriers by default */ + set_opt(sbi->s_mount_opt, BARRIER); set_opt(sbi->s_mount_opt, RESERVATION); if (!parse_options ((char *) data, sb, &journal_inum, &journal_devnum, -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
