From patchwork Wed Jan 23 06:20:38 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ronnie Sahlberg X-Patchwork-Id: 10776541 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B94C9139A for ; Wed, 23 Jan 2019 06:20:47 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 9C1322AC14 for ; Wed, 23 Jan 2019 06:20:47 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 8DCEA2B524; Wed, 23 Jan 2019 06:20:47 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 31B552AC03 for ; Wed, 23 Jan 2019 06:20:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1725973AbfAWGUp (ORCPT ); Wed, 23 Jan 2019 01:20:45 -0500 Received: from mx1.redhat.com ([209.132.183.28]:59034 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725945AbfAWGUp (ORCPT ); Wed, 23 Jan 2019 01:20:45 -0500 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 0F8A681F13; Wed, 23 Jan 2019 06:20:45 +0000 (UTC) Received: from test1135.test.redhat.com (vpn2-54-76.bne.redhat.com [10.64.54.76]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8DB225D6A6; Wed, 23 Jan 2019 06:20:44 +0000 (UTC) From: Ronnie Sahlberg To: linux-cifs Cc: Steve French Subject: [PATCH] add credits we receive from oplock/break PDUs Date: Wed, 23 Jan 2019 16:20:38 +1000 Message-Id: <20190123062038.18207-1-lsahlber@redhat.com> X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.25]); Wed, 23 Jan 2019 06:20:45 +0000 (UTC) Sender: linux-cifs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-cifs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Ronnie Sahlberg Reviewed-by: Pavel Shilovsky --- fs/cifs/smb2misc.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/fs/cifs/smb2misc.c b/fs/cifs/smb2misc.c index 6a9c47541c53..7b8b58fb4d3f 100644 --- a/fs/cifs/smb2misc.c +++ b/fs/cifs/smb2misc.c @@ -648,6 +648,13 @@ smb2_is_valid_oplock_break(char *buffer, struct TCP_Server_Info *server) if (rsp->sync_hdr.Command != SMB2_OPLOCK_BREAK) return false; + if (rsp->sync_hdr.CreditRequest) { + spin_lock(&server->req_lock); + server->credits += le16_to_cpu(rsp->sync_hdr.CreditRequest); + spin_unlock(&server->req_lock); + wake_up(&server->request_q); + } + if (rsp->StructureSize != smb2_rsp_struct_sizes[SMB2_OPLOCK_BREAK_HE]) { if (le16_to_cpu(rsp->StructureSize) == 44)