From 2c3c1048746a4622d8c89a29670120dc8fab93c4 Mon Sep 17 00:00:00 2001
From: Daniel Baumann <daniel.baumann@progress-linux.org>
Date: Sun, 7 Apr 2024 20:49:45 +0200
Subject: Adding upstream version 6.1.76.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
---
 fs/jfs/jfs_lock.h | 39 +++++++++++++++++++++++++++++++++++++++
 1 file changed, 39 insertions(+)
 create mode 100644 fs/jfs/jfs_lock.h

(limited to 'fs/jfs/jfs_lock.h')

diff --git a/fs/jfs/jfs_lock.h b/fs/jfs/jfs_lock.h
new file mode 100644
index 000000000..feb37dd9d
--- /dev/null
+++ b/fs/jfs/jfs_lock.h
@@ -0,0 +1,39 @@
+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ *   Copyright (C) International Business Machines Corp., 2000-2001
+ *   Portions Copyright (C) Christoph Hellwig, 2001-2002
+ */
+#ifndef _H_JFS_LOCK
+#define _H_JFS_LOCK
+
+#include <linux/spinlock.h>
+#include <linux/mutex.h>
+#include <linux/sched.h>
+
+/*
+ *	jfs_lock.h
+ */
+
+/*
+ * Conditional sleep where condition is protected by spinlock
+ *
+ * lock_cmd and unlock_cmd take and release the spinlock
+ */
+#define __SLEEP_COND(wq, cond, lock_cmd, unlock_cmd)	\
+do {							\
+	DECLARE_WAITQUEUE(__wait, current);		\
+							\
+	add_wait_queue(&wq, &__wait);			\
+	for (;;) {					\
+		set_current_state(TASK_UNINTERRUPTIBLE);\
+		if (cond)				\
+			break;				\
+		unlock_cmd;				\
+		io_schedule();				\
+		lock_cmd;				\
+	}						\
+	__set_current_state(TASK_RUNNING);			\
+	remove_wait_queue(&wq, &__wait);		\
+} while (0)
+
+#endif				/* _H_JFS_LOCK */
-- 
cgit v1.2.3