From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-5.8 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 14DA8C48BE9 for ; Mon, 24 Jun 2019 10:22:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D53CF20645 for ; Mon, 24 Jun 2019 10:22:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561371734; bh=xyJEaPk2HfCS8hpn/PaP8yA5GZREaLpcCzt+2lcENIs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=mLWkJ9D7BxOWySQTVxj8QT9VLDLvJf7PXNYwfd1VnqcJCImxPsfgWVLrgl7tXDUS9 ieeuVzXia3QKZiXOtE6vBNcfli2UBruFeAIXE6chHR0rhoGSapJXmnS8UjGsrI3MIT zDDxTNoXB3QsNiF6vc5GsFZzjPt1bT6bivS0ORtU= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730199AbfFXKWO (ORCPT ); Mon, 24 Jun 2019 06:22:14 -0400 Received: from mail.kernel.org ([198.145.29.99]:57968 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1731074AbfFXKWJ (ORCPT ); Mon, 24 Jun 2019 06:22:09 -0400 Received: from localhost (f4.8f.5177.ip4.static.sl-reverse.com [119.81.143.244]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 5001420645; Mon, 24 Jun 2019 10:22:08 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1561371728; bh=xyJEaPk2HfCS8hpn/PaP8yA5GZREaLpcCzt+2lcENIs=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=zJDeu10mmKCzehf/OBBPnw6CCwKrtVwkQmC+fsthMo2jpENMUnlBRz3LqJYu/xeGh 4jeI3ro2w8NLcP7abqcN8BuGNBt2j1hfQjCzDz/oL8rb1jpQhy25dAOnGa7uWYaO+W JNAqVD09zF8vzopknoarpyPUhSs5fCpCCgipysbA= From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Steve French , Ronnie Sahlberg , Pavel Shilovsky Subject: [PATCH 5.1 112/121] SMB3: retry on STATUS_INSUFFICIENT_RESOURCES instead of failing write Date: Mon, 24 Jun 2019 17:57:24 +0800 Message-Id: <20190624092326.393367304@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190624092320.652599624@linuxfoundation.org> References: <20190624092320.652599624@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: stable-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: stable@vger.kernel.org From: Steve French commit 8d526d62db907e786fd88948c75d1833d82bd80e upstream. Some servers such as Windows 10 will return STATUS_INSUFFICIENT_RESOURCES as the number of simultaneous SMB3 requests grows (even though the client has sufficient credits). Return EAGAIN on STATUS_INSUFFICIENT_RESOURCES so that we can retry writes which fail with this status code. This (for example) fixes large file copies to Windows 10 on fast networks. Signed-off-by: Steve French CC: Stable Reviewed-by: Ronnie Sahlberg Reviewed-by: Pavel Shilovsky Signed-off-by: Greg Kroah-Hartman --- fs/cifs/smb2maperror.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/cifs/smb2maperror.c +++ b/fs/cifs/smb2maperror.c @@ -457,7 +457,7 @@ static const struct status_to_posix_erro {STATUS_FILE_INVALID, -EIO, "STATUS_FILE_INVALID"}, {STATUS_ALLOTTED_SPACE_EXCEEDED, -EIO, "STATUS_ALLOTTED_SPACE_EXCEEDED"}, - {STATUS_INSUFFICIENT_RESOURCES, -EREMOTEIO, + {STATUS_INSUFFICIENT_RESOURCES, -EAGAIN, "STATUS_INSUFFICIENT_RESOURCES"}, {STATUS_DFS_EXIT_PATH_FOUND, -EIO, "STATUS_DFS_EXIT_PATH_FOUND"}, {STATUS_DEVICE_DATA_ERROR, -EIO, "STATUS_DEVICE_DATA_ERROR"},