add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/drivers/scsi/iscsi_tcp.h
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@@ -1,3 +1,4 @@
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
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 /*
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  * iSCSI Initiator TCP Transport
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  * Copyright (C) 2004 Dmitry Yusupov
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@@ -5,16 +6,6 @@
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  * Copyright (C) 2005 - 2006 Mike Christie
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  * Copyright (C) 2006 Red Hat, Inc.  All rights reserved.
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  * maintained by open-iscsi@googlegroups.com
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- *
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- * This program is free software; you can redistribute it and/or modify
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- * it under the terms of the GNU General Public License as published
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- * by the Free Software Foundation; either version 2 of the License, or
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- * (at your option) any later version.
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- *
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- * This program is distributed in the hope that it will be useful, but
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- * WITHOUT ANY WARRANTY; without even the implied warranty of
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- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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- * General Public License for more details.
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  *
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  * See the file COPYING included with this distribution for more details.
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  */
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@@ -37,6 +28,8 @@
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 struct iscsi_sw_tcp_conn {
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 	struct socket		*sock;
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+	/* Taken when accessing the sock from the netlink/sysfs interface */
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+	struct mutex		sock_lock;
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 	struct iscsi_sw_tcp_send out;
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 	/* old values for socket callbacks */