[GFS2] Move inode deletion out of blocking_cb

Move inode deletion code out of blocking_cb handle_callback route to
avoid racy conditions that end up blocking lock_dlm1 thread. Fix
bugzilla 286821.

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

1 files changed, 1 insertions, 5 deletions

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index d631cad0aee..a37efe4aae6 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -716,12 +716,8 @@ static void handle_callback(struct gfs2_glock *gl, unsigned int state,
                 gl->gl_demote_time = jiffies;
                 if (remote && gl->gl_ops->go_type == LM_TYPE_IOPEN &&
                     gl->gl_object) {
-                        struct inode *inode = igrab(gl->gl_object);
+                        gfs2_glock_schedule_for_reclaim(gl);
                         spin_unlock(&gl->gl_spin);
-                        if (inode) {
-                                d_prune_aliases(inode);
-                                iput(inode);
-                        }
                         return;
                 }
         } else if (gl->gl_demote_state != LM_ST_UNLOCKED &&