Btrfs: only fua the first superblock when writting supers
authorWang Shilong <wangsl.fnst@cn.fujitsu.com>
Fri, 3 Jan 2014 10:22:57 +0000 (18:22 +0800)
committerChris Mason <clm@fb.com>
Tue, 28 Jan 2014 21:20:15 +0000 (13:20 -0800)
commite8117c26b24098496b6011aabe84e43e0189a506
tree637db93597bb491bc77400b7d8f28049d6e4365b
parent17504584f52af944960f1ad16752aa10a0755b3b
Btrfs: only fua the first superblock when writting supers

We only intent to fua the first superblock in every device from
comments, fix it.

Signed-off-by: Wang Shilong <wangsl.fnst@cn.fujitsu.com>
Signed-off-by: Josef Bacik <jbacik@fb.com>
Signed-off-by: Chris Mason <clm@fb.com>
fs/btrfs/disk-io.c