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ext3: make ext3 mount default to barrier=1
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>
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@ -1718,6 +1718,8 @@ static int ext3_fill_super (struct super_block *sb, void *data, int silent)
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sbi->s_resuid = le16_to_cpu(es->s_def_resuid);
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sbi->s_resgid = le16_to_cpu(es->s_def_resgid);
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/* enable barriers by default */
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set_opt(sbi->s_mount_opt, BARRIER);
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set_opt(sbi->s_mount_opt, RESERVATION);
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if (!parse_options ((char *) data, sb, &journal_inum, &journal_devnum,
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