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authorChristoph Hellwig <hch@infradead.org>2011-07-16 16:46:50 -0400
committerAl Viro <viro@zeniv.linux.org.uk>2011-07-20 20:47:54 -0400
commit00eacd66cd8ab5fff9df49aa3f261ad43d495434 (patch)
treee561daf501504513463e32d6b32fe5f200f6cc22 /fs
parentb85fd6bdc99da917f5ae0f90f0c2d86ef9a766aa (diff)
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>
Diffstat (limited to 'fs')
-rw-r--r--fs/ext3/super.c2
1 files changed, 2 insertions, 0 deletions
diff --git a/fs/ext3/super.c b/fs/ext3/super.c
index aad153ef6b78..b57ea2f91269 100644
--- a/fs/ext3/super.c
+++ b/fs/ext3/super.c
@@ -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_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,