[PATCH 1/2] ext3: make ext3 mount default to barrier=1

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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,
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