* [PATCH] ext3: make ext3 mount default to barrier=1
@ 2011-07-16 20:46 Christoph Hellwig
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From: Christoph Hellwig @ 2011-07-16 20:46 UTC (permalink / raw)
To: viro; +Cc: jeffm, chris.mason, jack, reiserfs-devel, linux-ext4,
linux-fsdevel
This patch turns on barriers by default for ext3. mount -o barrier=0
will turn them off. Based on a patch from Chris Mason in the SuSE tree.
Signed-off-by: Chris Mason <chris.mason@oracle.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Acked-by: Eric Sandeen <sandeen@redhat.com>
Acked-by: Jan Kara <jack@suse.cz>
Acked-by: Jeff Mahoney <jeffm@suse.com>
Acked-by: Ted Ts'o <tytso@mit.edu>
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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2011-07-16 20:46 [PATCH] ext3: make ext3 mount default to barrier=1 Christoph Hellwig
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