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ext3: make ext3 mount default to barrier=1

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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>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Christoph Hellwig 2011-07-16 16:46:50 -04:00 committed by Al Viro
parent b85fd6bdc9
commit 00eacd66cd
1 changed files with 2 additions and 0 deletions
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2
fs/ext3/super.c
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@ -1718,6 +1718,8 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
sbi->s_resuid = le16_to_cpu(es->s_def_resuid); sbi->s_resuid = le16_to_cpu(es->s_def_resuid);
sbi->s_resgid = le16_to_cpu(es->s_def_resgid); 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); set_opt(sbi->s_mount_opt, RESERVATION);
if (!parse_options ((char *) data, sb, &journal_inum, &journal_devnum, if (!parse_options ((char *) data, sb, &journal_inum, &journal_devnum,