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/openbmc/linux/fs/btrfs/ |
H A D | super.c | 842bef58 Sun Jan 05 19:58:25 CST 2014 Qu Wenruo <quwenruo@cn.fujitsu.com> btrfs: Add "barrier" option to support "-o remount,barrier"
Btrfs can be remounted without barrier, but there is no "barrier" option so nobody can remount btrfs back with barrier on. Only umount and mount again can re-enable barrier.(Quite awkward)
Also the mount options in the document is also changed slightly for the further pairing options changes.
Reported-by: Daniel Blueman <daniel@quora.org> Signed-off-by: Qu Wenruo <quwenruo@cn.fujitsu.com> Signed-off-by: Mike Fleetwood <mike.fleetwood@googlemail.com> Reviewed-by: David Sterba <dsterba@suse.cz> Signed-off-by: Josef Bacik <jbacik@fb.com> Signed-off-by: Chris Mason <clm@fb.com>
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