1 files changed, 20 insertions, 0 deletions

diff --git a/fs/ocfs2/super.c b/fs/ocfs2/super.c
index 12c2203a62fe..cf6d87b57450 100644
--- a/fs/ocfs2/super.c
+++ b/fs/ocfs2/super.c
@@ -2560,5 +2560,25 @@ void __ocfs2_abort(struct super_block* sb,
         ocfs2_handle_error(sb);
 }
 
+/*
+ * Void signal blockers, because in-kernel sigprocmask() only fails
+ * when SIG_* is wrong.
+ */
+void ocfs2_block_signals(sigset_t *oldset)
+{
+        int rc;
+        sigset_t blocked;
+
+        sigfillset(&blocked);
+        rc = sigprocmask(SIG_BLOCK, &blocked, oldset);
+        BUG_ON(rc);
+}
+
+void ocfs2_unblock_signals(sigset_t *oldset)
+{
+        int rc = sigprocmask(SIG_SETMASK, oldset, NULL);
+        BUG_ON(rc);
+}
+
 module_init(ocfs2_init);
 module_exit(ocfs2_exit);