From: Wendy Cheng <wcheng@redhat.com>
Subject: [RHEL5.1 PATCH] GFS2: Move inode delete logic out of blocking_cb
Date: Fri, 14 Sep 2007 10:24:24 -0400
Bugzilla: 286821
Message-Id: <46EA9998.2090906@redhat.com>
Changelog: [GFS2] Move inode delete logic out of blocking_cb


Fix Red Hat bugzilla 286821.

-- Wendy

Move inode deletion code out of blocking_cb handle_callback route to 
avoid racy conditions that ends up blocking lock_dlm1 thread. 
 
 glock.c |    6 +-----
 1 files changed, 1 insertion(+), 5 deletions(-)

--- linux-e45/fs/gfs2/glock.c	2007-09-08 22:05:58.000000000 -0400
+++ a007/fs/gfs2/glock.c	2007-09-12 08:58:16.000000000 -0400
@@ -715,12 +715,8 @@ static void handle_callback(struct gfs2_
 		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 &&