[GFS2] Fix bug in clear_inode

We should have been waiting for lock demotion to finish in
clear_inode.

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

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 91ac9c9..b6edf7c 100644 (file)
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -771,6 +771,7 @@ void gfs2_glock_inode_squish(struct inode *inode)
        list_add_tail(&gh.gh_list, &gl->gl_waiters2);
        run_queue(gl);
        spin_unlock(&gl->gl_spin);
+       wait_for_completion(&gh.gh_wait);
        gfs2_holder_uninit(&gh);
 }