From patchwork Thu Jun 1 14:59:04 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Christoph Hellwig X-Patchwork-Id: 687737 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 364E3C77B7E for ; Thu, 1 Jun 2023 15:00:39 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233893AbjFAPAd (ORCPT ); Thu, 1 Jun 2023 11:00:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42206 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234824AbjFAPAT (ORCPT ); Thu, 1 Jun 2023 11:00:19 -0400 Received: from bombadil.infradead.org (bombadil.infradead.org [IPv6:2607:7c80:54:3::133]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5F9C910C3; Thu, 1 Jun 2023 07:59:52 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20210309; h=Content-Transfer-Encoding: MIME-Version:References:In-Reply-To:Message-Id:Date:Subject:Cc:To:From:Sender :Reply-To:Content-Type:Content-ID:Content-Description; bh=Igh3/Q4p5iJFFlbdpwuEDO2R7sQwVarGnlYwXa7G6ao=; b=bX2jHFDKHOW4DhTCLwBCGe1mxk +AiYKSPmIFT+YAYTY9l+t7ALHUSxiYYhMiFJ3fcFNMEnScgGmgdQdcc64nqMWdHzwAeK/OEVq8CQM 6/la1ULT2u/5N5wYcg+2XqzCr9x7VKh2kYbXOSE+U152RSNgGA2ZUKhcbKMTl31BCEnuVgVbe5uVG KQtbSMq7Evw+u61WWovWbH7SgJK5m8CSsDzK4/Ri7urli6dK74r24dSyPLXTHhjnu4WWqYx4gZ4Vd YBJLb+4aBmw45gsn7B8Y0St0loJ369izOY/Y1eHsyKCrf/zBDS25zyGflxhBA51boDLHRsjnEl4gn i5PejoLg==; Received: from [2001:4bb8:182:6d06:eacb:c751:971:73eb] (helo=localhost) by bombadil.infradead.org with esmtpsa (Exim 4.96 #2 (Red Hat Linux)) id 1q4jm5-003wAJ-1d; Thu, 01 Jun 2023 14:59:37 +0000 From: Christoph Hellwig To: Matthew Wilcox Cc: Jens Axboe , Xiubo Li , Ilya Dryomov , Alexander Viro , Christian Brauner , "Theodore Ts'o" , Jaegeuk Kim , Chao Yu , Miklos Szeredi , Andreas Gruenbacher , "Darrick J. Wong" , Trond Myklebust , Anna Schumaker , Damien Le Moal , Andrew Morton , linux-block@vger.kernel.org, ceph-devel@vger.kernel.org, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-xfs@vger.kernel.org, linux-nfs@vger.kernel.org, linux-mm@kvack.org Subject: [PATCH 12/12] fuse: use direct_write_fallback Date: Thu, 1 Jun 2023 16:59:04 +0200 Message-Id: <20230601145904.1385409-13-hch@lst.de> X-Mailer: git-send-email 2.39.2 In-Reply-To: <20230601145904.1385409-1-hch@lst.de> References: <20230601145904.1385409-1-hch@lst.de> MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by bombadil.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Use the generic direct_write_fallback helper instead of duplicating the logic. Signed-off-by: Christoph Hellwig Reviewed-by: Damien Le Moal --- fs/fuse/file.c | 24 ++---------------------- 1 file changed, 2 insertions(+), 22 deletions(-) diff --git a/fs/fuse/file.c b/fs/fuse/file.c index b4e272a65fdd25..3a7c7d7181ccb9 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -1340,7 +1340,6 @@ static ssize_t fuse_cache_write_iter(struct kiocb *iocb, struct iov_iter *from) struct file *file = iocb->ki_filp; struct address_space *mapping = file->f_mapping; ssize_t written = 0; - ssize_t written_buffered = 0; struct inode *inode = mapping->host; ssize_t err; struct fuse_conn *fc = get_fuse_conn(inode); @@ -1377,30 +1376,11 @@ static ssize_t fuse_cache_write_iter(struct kiocb *iocb, struct iov_iter *from) goto out; if (iocb->ki_flags & IOCB_DIRECT) { - loff_t pos, endbyte; - written = generic_file_direct_write(iocb, from); if (written < 0 || !iov_iter_count(from)) goto out; - - written_buffered = fuse_perform_write(iocb, from); - if (written_buffered < 0) { - err = written_buffered; - goto out; - } - pos = iocb->ki_pos - written_buffered; - endbyte = iocb->ki_pos - 1; - - err = filemap_write_and_wait_range(file->f_mapping, pos, - endbyte); - if (err) - goto out; - - invalidate_mapping_pages(file->f_mapping, - pos >> PAGE_SHIFT, - endbyte >> PAGE_SHIFT); - - written += written_buffered; + written = direct_write_fallback(iocb, from, written, + fuse_perform_write(iocb, from)); } else { written = fuse_perform_write(iocb, from); }