GFS2: recovery stuck on transaction lock

[net-next-2.6.git] / fs / gfs2 / glock.c

diff --git a/fs/gfs2/glock.c b/fs/gfs2/glock.c
index ddcdbf4935366b4eac1a85a74590f98c3a4b0c62..dbab3fdc258292ea027d5b2692e93cf1928a37fc 100644 (file)
--- a/fs/gfs2/glock.c
+++ b/fs/gfs2/glock.c
@@ -706,8 +706,18 @@ 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;