From patchwork Tue Oct 29 09:40:47 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Joseph Qi X-Patchwork-Id: 11217503 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 722221390 for ; Tue, 29 Oct 2019 09:41:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 5A32D2087E for ; Tue, 29 Oct 2019 09:41:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1730125AbfJ2JlA (ORCPT ); Tue, 29 Oct 2019 05:41:00 -0400 Received: from out4436.biz.mail.alibaba.com ([47.88.44.36]:38503 "EHLO out4436.biz.mail.alibaba.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728575AbfJ2JlA (ORCPT ); Tue, 29 Oct 2019 05:41:00 -0400 X-Alimail-AntiSpam: AC=PASS;BC=-1|-1;BR=01201311R621e4;CH=green;DM=||false|;FP=0|-1|-1|-1|0|-1|-1|-1;HT=e01e04394;MF=joseph.qi@linux.alibaba.com;NM=1;PH=DS;RN=6;SR=0;TI=SMTPD_---0Tgcc4Gu_1572342047; Received: from localhost(mailfrom:joseph.qi@linux.alibaba.com fp:SMTPD_---0Tgcc4Gu_1572342047) by smtp.aliyun-inc.com(127.0.0.1); Tue, 29 Oct 2019 17:40:48 +0800 From: Joseph Qi To: Christoph Hellwig , "Darrick J. Wong" , Jens Axboe Cc: linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org, linux-block@vger.kernel.org Subject: [PATCH] fs/iomap: remove redundant check in iomap_dio_rw() Date: Tue, 29 Oct 2019 17:40:47 +0800 Message-Id: <1572342047-99933-1-git-send-email-joseph.qi@linux.alibaba.com> X-Mailer: git-send-email 1.8.3.1 Sender: linux-block-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org We've already check if it is READ iov_iter, no need check again. Signed-off-by: Joseph Qi Reviewed-by: Johannes Thumshirn Reviewed-by: Jens Axboe Reviewed-by: Darrick J. Wong --- fs/iomap/direct-io.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/fs/iomap/direct-io.c b/fs/iomap/direct-io.c index 1fc28c2..9712648 100644 --- a/fs/iomap/direct-io.c +++ b/fs/iomap/direct-io.c @@ -430,7 +430,7 @@ static void iomap_dio_bio_end_io(struct bio *bio) if (pos >= dio->i_size) goto out_free_dio; - if (iter_is_iovec(iter) && iov_iter_rw(iter) == READ) + if (iter_is_iovec(iter)) dio->flags |= IOMAP_DIO_DIRTY; } else { flags |= IOMAP_WRITE;