[GFS2] Eliminate the no longer needed sd_statfs_mutex

This patch eliminates the unneeded sd_statfs_mutex mutex but preserves
the ordering as discussed.

Signed-off-by: Bob Peterson <rpeterso@redhat.com>
Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>

1 files changed, 0 insertions, 4 deletions

diff --git a/fs/gfs2/super.c b/fs/gfs2/super.c
index 22e09660d648..5d0017d313a3 100644
--- a/fs/gfs2/super.c
+++ b/fs/gfs2/super.c
@@ -688,9 +688,7 @@ void gfs2_statfs_change(struct gfs2_sbd *sdp, s64 total, s64 free,
         if (error)
                 return;
 
-        mutex_lock(&sdp->sd_statfs_mutex);
         gfs2_trans_add_bh(l_ip->i_gl, l_bh, 1);
-        mutex_unlock(&sdp->sd_statfs_mutex);
 
         spin_lock(&sdp->sd_statfs_spin);
         l_sc->sc_total += total;
@@ -738,9 +736,7 @@ int gfs2_statfs_sync(struct gfs2_sbd *sdp)
         if (error)
                 goto out_bh2;
 
-        mutex_lock(&sdp->sd_statfs_mutex);
         gfs2_trans_add_bh(l_ip->i_gl, l_bh, 1);
-        mutex_unlock(&sdp->sd_statfs_mutex);
 
         spin_lock(&sdp->sd_statfs_spin);
         m_sc->sc_total += l_sc->sc_total;