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=-2.9 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,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 5F35FC3279B for ; Mon, 2 Jul 2018 23:04:13 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 136F0258A5 for ; Mon, 2 Jul 2018 23:04:13 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=chromium.org header.i=@chromium.org header.b="nF9OpJdJ" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 136F0258A5 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=chromium.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753215AbeGBXEJ (ORCPT ); Mon, 2 Jul 2018 19:04:09 -0400 Received: from mail-pf0-f195.google.com ([209.85.192.195]:34110 "EHLO mail-pf0-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752813AbeGBXEI (ORCPT ); Mon, 2 Jul 2018 19:04:08 -0400 Received: by mail-pf0-f195.google.com with SMTP id e10-v6so31783pfn.1 for ; Mon, 02 Jul 2018 16:04:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=chromium.org; s=google; h=from:to:cc:subject:date:message-id; bh=j52PxxBZFD392YLxqXBfktYq+SYMg02NDKdDs6tKnm8=; b=nF9OpJdJbPbv6E6aCFXqAT8P3d3dwfGT/IAznuNxhguBoN0ZYt7Nt0rSKDB1TGKMVh moKTHe7q+yGwRMlOMCzGssEdL5EneXiBr0peMu/PUgnPvP2lcyQTUqfJQN9PcSu3cryk 9KBtcCrqJktlJOi7msYNf8YIS4hrkHVB2Zp2U= X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=j52PxxBZFD392YLxqXBfktYq+SYMg02NDKdDs6tKnm8=; b=cyrnuq5WJvCdhHLLmwJgK/4aHblRx2pnk3YiuoVf9cjsIRdzcrsvV+XI4Cyenv3jF9 DseKdCK0Jxb8aIe6+oCfLPEEoORxgKwxkgo1uC/ERKFdCLLc0klq0ESJVNvTnlI1F5Sp p7HJBnl129IP+wVbjWF1P0GfVQFTctyPr4C+kGkgEhK05UKFUG7PUgZ3PauDBFFKdAEN sOq2vUMBYzgOAsATPL7aNpzJenkKScw/1OvAJPlj4L0OyBUGi0So4dHUSz+yLLdjedOj bmxhzKebXDY0P65MXaTLzfaI+RKxRJJ1+Mo5ltcp1R4ngpENdzf368zvcL4JWOj1vgTK DZwg== X-Gm-Message-State: APt69E1Gvxb7iQ2UDXHwtp0cXbwKZ8efpBGfhNZ4fSrfyloNBVbMHgqK lTGVk4sCdAlaXwYVDjliE8S6Lg== X-Google-Smtp-Source: AAOMgpe0DRo0VWddcpNo0/LbQsEZnFYBLe2INQtW9JjeRSByPIyHPw9AKsv07gV3VAJ2/Zz8EGLTww== X-Received: by 2002:a62:c819:: with SMTP id z25-v6mr26201973pff.44.1530572647942; Mon, 02 Jul 2018 16:04:07 -0700 (PDT) Received: from evgreen2.mtv.corp.google.com ([2620:0:1000:1511:116f:8bf3:133b:f7fd]) by smtp.gmail.com with ESMTPSA id k13-v6sm48902509pfg.130.2018.07.02.16.04.06 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Mon, 02 Jul 2018 16:04:06 -0700 (PDT) From: Evan Green To: Jens Axboe , linux-block@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Sam Hurst , Evan Green Subject: [PATCH] loop: Add LOOP_SET_BLOCK_SIZE in compat ioctl Date: Mon, 2 Jul 2018 16:03:46 -0700 Message-Id: <20180702230346.72350-1-evgreen@chromium.org> X-Mailer: git-send-email 2.16.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This change adds LOOP_SET_BLOCK_SIZE as one of the supported ioctls in lo_compat_ioctl. It only takes an unsigned long argument, and in practice a 32-bit value works fine. Signed-off-by: Evan Green --- drivers/block/loop.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/block/loop.c b/drivers/block/loop.c index d6b6f434fd4b..4cb1d1be3cfb 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -1613,6 +1613,7 @@ static int lo_compat_ioctl(struct block_device *bdev, fmode_t mode, arg = (unsigned long) compat_ptr(arg); case LOOP_SET_FD: case LOOP_CHANGE_FD: + case LOOP_SET_BLOCK_SIZE: err = lo_ioctl(bdev, mode, cmd, arg); break; default: -- 2.16.4