From patchwork Wed May 24 16:41:41 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Goldwyn Rodrigues X-Patchwork-Id: 9746413 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 74E40601C2 for ; Wed, 24 May 2017 16:42:10 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 64D212897C for ; Wed, 24 May 2017 16:42:10 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 583E9289A8; Wed, 24 May 2017 16:42:10 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4AD2C2897C for ; Wed, 24 May 2017 16:42:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1035623AbdEXQmH (ORCPT ); Wed, 24 May 2017 12:42:07 -0400 Received: from mx2.suse.de ([195.135.220.15]:47571 "EHLO mx1.suse.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S934945AbdEXQmE (ORCPT ); Wed, 24 May 2017 12:42:04 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay1.suse.de (charybdis-ext.suse.de [195.135.220.254]) by mx1.suse.de (Postfix) with ESMTP id 3836EAD9D; Wed, 24 May 2017 16:42:02 +0000 (UTC) From: Goldwyn Rodrigues To: linux-fsdevel@vger.kernel.org Cc: jack@suse.com, hch@infradead.org, linux-block@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, axboe@kernel.dk, linux-api@vger.kernel.org, adam.manzanares@wdc.com, viro@zeniv.linux.org.uk, Goldwyn Rodrigues Subject: [PATCH 01/10] fs: Separate out kiocb flags setup based on RWF_* flags Date: Wed, 24 May 2017 11:41:41 -0500 Message-Id: <20170524164150.9492-2-rgoldwyn@suse.de> X-Mailer: git-send-email 2.12.0 In-Reply-To: <20170524164150.9492-1-rgoldwyn@suse.de> References: <20170524164150.9492-1-rgoldwyn@suse.de> Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Goldwyn Rodrigues Signed-off-by: Goldwyn Rodrigues Reviewed-by: Christoph Hellwig Reviewed-by: Jan Kara --- fs/read_write.c | 12 +++--------- include/linux/fs.h | 14 ++++++++++++++ 2 files changed, 17 insertions(+), 9 deletions(-) diff --git a/fs/read_write.c b/fs/read_write.c index 47c1d4484df9..53c816c61122 100644 --- a/fs/read_write.c +++ b/fs/read_write.c @@ -678,16 +678,10 @@ static ssize_t do_iter_readv_writev(struct file *filp, struct iov_iter *iter, struct kiocb kiocb; ssize_t ret; - if (flags & ~(RWF_HIPRI | RWF_DSYNC | RWF_SYNC)) - return -EOPNOTSUPP; - init_sync_kiocb(&kiocb, filp); - if (flags & RWF_HIPRI) - kiocb.ki_flags |= IOCB_HIPRI; - if (flags & RWF_DSYNC) - kiocb.ki_flags |= IOCB_DSYNC; - if (flags & RWF_SYNC) - kiocb.ki_flags |= (IOCB_DSYNC | IOCB_SYNC); + ret = kiocb_set_rw_flags(&kiocb, flags); + if (ret) + return ret; kiocb.ki_pos = *ppos; if (type == READ) diff --git a/include/linux/fs.h b/include/linux/fs.h index 803e5a9b2654..f53867140f43 100644 --- a/include/linux/fs.h +++ b/include/linux/fs.h @@ -3056,6 +3056,20 @@ static inline int iocb_flags(struct file *file) return res; } +static inline int kiocb_set_rw_flags(struct kiocb *ki, int flags) +{ + if (unlikely(flags & ~(RWF_HIPRI | RWF_DSYNC | RWF_SYNC))) + return -EOPNOTSUPP; + + if (flags & RWF_HIPRI) + ki->ki_flags |= IOCB_HIPRI; + if (flags & RWF_DSYNC) + ki->ki_flags |= IOCB_DSYNC; + if (flags & RWF_SYNC) + ki->ki_flags |= (IOCB_DSYNC | IOCB_SYNC); + return 0; +} + static inline ino_t parent_ino(struct dentry *dentry) { ino_t res;