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=-10.1 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,INCLUDES_PATCH,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 34EA2C2BA83 for ; Fri, 14 Feb 2020 16:00:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 023382067D for ; Fri, 14 Feb 2020 16:00:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581696038; bh=z0rNwAgT4RhdH7E/PP6WgAWT6eALymRlsnU1oUbYAkw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:List-ID:From; b=Ldud732TNw8PBNhCpM8eLBygylUIvUoiSTtBcS/dnLr3aTTtV3SB+Ri/aEPDRkgka xRUjYKrwuqTYkG/ouM1Y/sl2CAPRprOZ/4SUPMgnQj7IUIcIDmDCZr0c9gWZ6erQLl YwY4H1+RQtAy48mhVfA0ge6lOCg+uq3QsiaMxuPw= Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2389156AbgBNQAg (ORCPT ); Fri, 14 Feb 2020 11:00:36 -0500 Received: from mail.kernel.org ([198.145.29.99]:45798 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389130AbgBNQAW (ORCPT ); Fri, 14 Feb 2020 11:00:22 -0500 Received: from sasha-vm.mshome.net (c-73-47-72-35.hsd1.nh.comcast.net [73.47.72.35]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 6284624686; Fri, 14 Feb 2020 16:00:21 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=default; t=1581696022; bh=z0rNwAgT4RhdH7E/PP6WgAWT6eALymRlsnU1oUbYAkw=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=QX5uYjo14RoUo0mKmIA63bF/X7mYTDH9F6r7wXcbaOWZMvv9s7YW8vK1J8ZEPlXk8 ALv1s+9r6qDVwOZ0E7hCtGCfICyUGc275clpX88nyKBGqlnZ0QprSKlNhAYLHlpJps 1AJOMGQT1h6TwWuPXtKvv5hJSqiE+dZK8aPURcSw= From: Sasha Levin To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Steve French , Oleg Kravtsov , Ronnie Sahlberg , Pavel Shilovsky , Sasha Levin , linux-cifs@vger.kernel.org, samba-technical@lists.samba.org Subject: [PATCH AUTOSEL 5.5 537/542] cifs: log warning message (once) if out of disk space Date: Fri, 14 Feb 2020 10:48:49 -0500 Message-Id: <20200214154854.6746-537-sashal@kernel.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20200214154854.6746-1-sashal@kernel.org> References: <20200214154854.6746-1-sashal@kernel.org> MIME-Version: 1.0 X-stable: review X-Patchwork-Hint: Ignore 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 [ Upstream commit d6fd41905ec577851734623fb905b1763801f5ef ] We ran into a confusing problem where an application wasn't checking return code on close and so user didn't realize that the application ran out of disk space. log a warning message (once) in these cases. For example: [ 8407.391909] Out of space writing to \\oleg-server\small-share Signed-off-by: Steve French Reported-by: Oleg Kravtsov Reviewed-by: Ronnie Sahlberg Reviewed-by: Pavel Shilovsky Signed-off-by: Sasha Levin --- fs/cifs/smb2pdu.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 0a3b37abc5e12..6c9497c18f0b8 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -4029,6 +4029,9 @@ smb2_writev_callback(struct mid_q_entry *mid) wdata->cfile->fid.persistent_fid, tcon->tid, tcon->ses->Suid, wdata->offset, wdata->bytes, wdata->result); + if (wdata->result == -ENOSPC) + printk_once(KERN_WARNING "Out of space writing to %s\n", + tcon->treeName); } else trace_smb3_write_done(0 /* no xid */, wdata->cfile->fid.persistent_fid, -- 2.20.1