[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>

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index d631cad..a37efe4 100644 (file)
--- 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 &&