From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753978AbbCPLhD (ORCPT ); Mon, 16 Mar 2015 07:37:03 -0400 Received: from mail-pd0-f173.google.com ([209.85.192.173]:35599 "EHLO mail-pd0-f173.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753698AbbCPLfN (ORCPT ); Mon, 16 Mar 2015 07:35:13 -0400 From: Omar Sandoval To: Alexander Viro , linux-fsdevel@vger.kernel.org, linux-btrfs@vger.kernel.org, ceph-devel@vger.kernel.org, linux-cifs@vger.kernel.org, osd-dev@open-osd.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, fuse-devel@lists.sourceforge.net, cluster-devel@redhat.com, jfs-discussion@lists.sourceforge.net, HPDD-discuss@ml01.01.org, linux-nfs@vger.kernel.org, linux-nilfs@vger.kernel.org, ocfs2-devel@oss.oracle.com, reiserfs-devel@vger.kernel.org, v9fs-developer@lists.sourceforge.net, xfs@oss.sgi.com Cc: linux-kernel@vger.kernel.org, Chris Mason , Josef Bacik , David Sterba , "Yan Zheng" , Sage Weil , Steve French , Boaz Harrosh , Benny Halevy , Jan Kara , "Theodore Ts'o" , Andreas Dilger , Jaegeuk Kim , Changman Lee , Miklos Szeredi , Steven Whitehouse , Dave Kleikamp , Oleg Drokin , Trond Myklebust , Anna Schumaker , Ryusuke Konishi , Mark Fasheh , Joel Becker , Eric Van Hensbergen , Ron Minnich , Latchesar Ionkov , Dave Chinner , Omar Sandoval Subject: [RFC PATCH 1/5] new helper: iov_iter_rw() Date: Mon, 16 Mar 2015 04:33:49 -0700 Message-Id: <34dc78b262546e9343e0ed872232a97f5eaa5f15.1426502566.git.osandov@osandov.com> X-Mailer: git-send-email 2.3.3 In-Reply-To: References: In-Reply-To: References: Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Get either READ or WRITE out of iter->type. Signed-off-by: Omar Sandoval --- include/linux/uio.h | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/include/linux/uio.h b/include/linux/uio.h index 7188029..87a47b3 100644 --- a/include/linux/uio.h +++ b/include/linux/uio.h @@ -10,6 +10,7 @@ #define __LINUX_UIO_H #include +#include #include struct page; @@ -111,6 +112,15 @@ static inline bool iter_is_iovec(struct iov_iter *i) } /* + * Get one of READ or WRITE out of iter->type without any other flags OR'd in + * with it. + */ +static inline int iov_iter_rw(const struct iov_iter *i) +{ + return i->type & RW_MASK; +} + +/* * Cap the iov_iter by given limit; note that the second argument is * *not* the new size - it's upper limit for such. Passing it a value * greater than the amount of data in iov_iter is fine - it'll just do -- 2.3.3