From: Steven Whitehouse <swhiteho@redhat.com>
Date: Thu, 29 Jul 2010 13:39:29 +0000 (+0100)
Subject: Revert "GFS2: recovery stuck on transaction lock"
X-Git-Url: https://git.karo-electronics.de/?a=commitdiff_plain;h=7cdee5dbf477409e4afc6c9063492dc2577b41ea;p=linux-beck.git

Revert "GFS2: recovery stuck on transaction lock"

This reverts commit b7dc2df5725fe7355fd76000ead7e39728e1b8a9.

The initial patch didn't quite work since it doesn't cover all
the possible routes by which the GLF_FROZEN flag might be set.
A revised fix is coming up in the next patch.

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

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index 717531d1b2a8..2b3d8f8a8393 100644
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -707,18 +707,8 @@ static void glock_work_func(struct work_struct *work)
 {
 	unsigned long delay = 0;
 	struct gfs2_glock *gl = container_of(work, struct gfs2_glock, gl_work.work);
-	struct gfs2_holder *gh;
 	int drop_ref = 0;
 
-	if (unlikely(test_bit(GLF_FROZEN, &gl->gl_flags))) {
-		spin_lock(&gl->gl_spin);
-		gh = find_first_waiter(gl);
-		if (gh && (gh->gh_flags & LM_FLAG_NOEXP) &&
-		    test_and_clear_bit(GLF_FROZEN, &gl->gl_flags))
-			set_bit(GLF_REPLY_PENDING, &gl->gl_flags);
-		spin_unlock(&gl->gl_spin);
-	}
-
 	if (test_and_clear_bit(GLF_REPLY_PENDING, &gl->gl_flags)) {
 		finish_xmote(gl, gl->gl_reply);
 		drop_ref = 1;