]> git.ipfire.org Git - people/teissler/ipfire-2.x.git/blobdiff - src/patches/suse-2.6.27.31/patches.fixes/ocfs2-dlm-use-ast_lock-to-protect-ast_list.patch
Reenabled linux-xen, added patches for Xen Kernel Version 2.6.27.31,
[people/teissler/ipfire-2.x.git] / src / patches / suse-2.6.27.31 / patches.fixes / ocfs2-dlm-use-ast_lock-to-protect-ast_list.patch
diff --git a/src/patches/suse-2.6.27.31/patches.fixes/ocfs2-dlm-use-ast_lock-to-protect-ast_list.patch b/src/patches/suse-2.6.27.31/patches.fixes/ocfs2-dlm-use-ast_lock-to-protect-ast_list.patch
new file mode 100644 (file)
index 0000000..456455f
--- /dev/null
@@ -0,0 +1,33 @@
+From: Sunil Mushran <sunil.mushran@oracle.com>
+Date: Tue, 3 Feb 2009 12:37:15 -0800
+Subject: [PATCH] ocfs2/dlm: Use ast_lock to protect ast_list
+Patch-mainline: 2.6.29
+
+The code was using dlm->spinlock instead of dlm->ast_lock to protect the
+ast_list. This patch fixes the issue.
+
+Signed-off-by: Sunil Mushran <sunil.mushran@oracle.com>
+Acked-by: Joel Becker <joel.becker@oracle.com>
+Signed-off-by: Mark Fasheh <mfasheh@suse.com>
+---
+ fs/ocfs2/dlm/dlmunlock.c |    4 ++--
+ 1 files changed, 2 insertions(+), 2 deletions(-)
+
+Index: linux-2.6.27-sle11_ocfs2_update2/fs/ocfs2/dlm/dlmunlock.c
+===================================================================
+--- linux-2.6.27-sle11_ocfs2_update2.orig/fs/ocfs2/dlm/dlmunlock.c
++++ linux-2.6.27-sle11_ocfs2_update2/fs/ocfs2/dlm/dlmunlock.c
+@@ -117,11 +117,11 @@ static enum dlm_status dlmunlock_common(
+       else
+               BUG_ON(res->owner == dlm->node_num);
+-      spin_lock(&dlm->spinlock);
++      spin_lock(&dlm->ast_lock);
+       /* We want to be sure that we're not freeing a lock
+        * that still has AST's pending... */
+       in_use = !list_empty(&lock->ast_list);
+-      spin_unlock(&dlm->spinlock);
++      spin_unlock(&dlm->ast_lock);
+       if (in_use) {
+              mlog(ML_ERROR, "lockres %.*s: Someone is calling dlmunlock "
+                   "while waiting for an ast!", res->lockname.len,