src/patches/suse-2.6.27.25/patches.fixes/ocfs2-dlm-use-ast_lock-to-protect-ast_list.patch

   1 From: Sunil Mushran <sunil.mushran@oracle.com>
   2 Date: Tue, 3 Feb 2009 12:37:15 -0800
   3 Subject: [PATCH] ocfs2/dlm: Use ast_lock to protect ast_list
   4 Patch-mainline: 2.6.29
   5
   6 The code was using dlm->spinlock instead of dlm->ast_lock to protect the
   7 ast_list. This patch fixes the issue.
   8
   9 Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
  10 Acked-by: Joel Becker <joel.becker@oracle.com>
  11 Signed-off-by: Mark Fasheh <mfasheh@suse.com>
  12 ---
  13  fs/ocfs2/dlm/dlmunlock.c |    4 ++--
  14  1 files changed, 2 insertions(+), 2 deletions(-)
  15
  16 Index: linux-2.6.27-sle11_ocfs2_update2/fs/ocfs2/dlm/dlmunlock.c
  17 ===================================================================
  18 --- linux-2.6.27-sle11_ocfs2_update2.orig/fs/ocfs2/dlm/dlmunlock.c
  19 +++ linux-2.6.27-sle11_ocfs2_update2/fs/ocfs2/dlm/dlmunlock.c
  20 @@ -117,11 +117,11 @@ static enum dlm_status dlmunlock_common(
  21         else
  22                 BUG_ON(res->owner == dlm->node_num);
  23
  24 -       spin_lock(&dlm->spinlock);
  25 +       spin_lock(&dlm->ast_lock);
  26         /* We want to be sure that we're not freeing a lock
  27          * that still has AST's pending... */
  28         in_use = !list_empty(&lock->ast_list);
  29 -       spin_unlock(&dlm->spinlock);
  30 +       spin_unlock(&dlm->ast_lock);
  31         if (in_use) {
  32                mlog(ML_ERROR, "lockres %.*s: Someone is calling dlmunlock "
  33                     "while waiting for an ast!", res->lockname.len,