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=-6.8 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,URIBL_BLOCKED,USER_AGENT_GIT autolearn=unavailable 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 0FA01C606C1 for ; Mon, 8 Jul 2019 15:18:30 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id D2A712166E for ; Mon, 8 Jul 2019 15:18:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562599109; bh=NBp3141aUWRgutwla6lWbITEXfVZ+XUjm3uAkRmQhoU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=ugS7fzWW7XT4jKZOcZMYnfJo4Odh0i60WrNIazM//vJ1rNOcWR+6AM5qnpZ3Jb6ae 4WJ15FKle342CZnOBtTL+aBLgc8FVDIWF1PT0zXM0TUbs0piPEvfDG5Al2oMuKQPrp MRdkT9H3eKo6pMND8r0lRHTfFuQLyJEL17q/bZ3o= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1733038AbfGHPS3 (ORCPT ); Mon, 8 Jul 2019 11:18:29 -0400 Received: from mail.kernel.org ([198.145.29.99]:42170 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1733018AbfGHPSY (ORCPT ); Mon, 8 Jul 2019 11:18:24 -0400 Received: from localhost (83-86-89-107.cable.dynamic.v4.ziggo.nl [83.86.89.107]) (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 C120F216E3; Mon, 8 Jul 2019 15:18:22 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1562599103; bh=NBp3141aUWRgutwla6lWbITEXfVZ+XUjm3uAkRmQhoU=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=Y2Yw1ErroxgspGLPsRFkLr/hc4gcz1TB0DSSzItNcirTl1xpa9WxgY1R8LZ5r1WXc eT8C5JWqxiyj2W9mDdedXLBoOeV+gLDmrcWlK5uSlOfhWhL4dZbZjDKkbog2fglhR1 e0eZXe7nrGTbqTHEWVW6+GUYXxtf8V+1MgUjYBDg= 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 4.4 26/73] SMB3: retry on STATUS_INSUFFICIENT_RESOURCES instead of failing write Date: Mon, 8 Jul 2019 17:12:36 +0200 Message-Id: <20190708150522.379448483@linuxfoundation.org> X-Mailer: git-send-email 2.22.0 In-Reply-To: <20190708150513.136580595@linuxfoundation.org> References: <20190708150513.136580595@linuxfoundation.org> User-Agent: quilt/0.66 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@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 @@ -455,7 +455,7 @@ 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"},