Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752630AbcKRK3s convert rfc822-to-8bit (ORCPT ); Fri, 18 Nov 2016 05:29:48 -0500 Received: from mx1.redhat.com ([209.132.183.28]:35936 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752109AbcKRK3q (ORCPT ); Fri, 18 Nov 2016 05:29:46 -0500 Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: <20161117234047.GE28177@dastard> References: <20161117234047.GE28177@dastard> <147938969703.13574.10295364502230379833.stgit@warthog.procyon.org.uk> <147938970382.13574.11581172952175034619.stgit@warthog.procyon.org.uk> To: Dave Chinner Cc: dhowells@redhat.com, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, linux-api@vger.kernel.org Subject: Re: [PATCH 1/4] statx: Add a system call to make enhanced file info available MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <27039.1479464944.1@warthog.procyon.org.uk> Content-Transfer-Encoding: 8BIT Date: Fri, 18 Nov 2016 10:29:04 +0000 Message-ID: <27040.1479464944@warthog.procyon.org.uk> X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Fri, 18 Nov 2016 10:29:06 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 638 Lines: 16 Dave Chinner wrote: > > (13) FS_IOC_GETFLAGS value. These could be translated to BSD's st_flags. > > Note that the Linux IOC flags are a mess and filesystems such as Ext4 > > define flags that aren't in linux/fs.h, so translation in the kernel > > may be a necessity (or, possibly, we provide the filesystem type too). > > And we now also have FS_IOC_FSGETXATTR that extends the flags > and information userspace can get from filesystems. Btw, can you point me at the manpage that defines the fsxattr struct and its flags? Also, ioctl_list(2) should probably include FS_IOC_FS[GS]ETXATTR. David