From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Matthew Wilcox (Oracle)" Subject: [PATCH 08/13] fuse: Tell the VFS that readpage was synchronous Date: Thu, 17 Sep 2020 16:10:45 +0100 Message-ID: <20200917151050.5363-9-willy@infradead.org> References: <20200917151050.5363-1-willy@infradead.org> Mime-Version: 1.0 Content-Transfer-Encoding: 8bit Return-path: Received: from lindbergh.monkeyblade.net ([23.128.96.19]:37392 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727926AbgIQPL0 (ORCPT ); Thu, 17 Sep 2020 11:11:26 -0400 In-Reply-To: <20200917151050.5363-1-willy@infradead.org> List-ID: Content-Type: text/plain; charset="us-ascii" To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , linux-mm@kvack.org, v9fs-developer@lists.sourceforge.net, linux-kernel@vger.kernel.org, linux-afs@lists.infradead.org, ceph-devel@vger.kernel.org, linux-cifs@vger.kernel.org, ecryptfs@vger.kernel.org, linux-um@lists.infradead.org, linux-mtd@lists.infradead.org, Richard Weinberger The fuse readpage implementation was already synchronous, so use AOP_UPDATED_PAGE to avoid cycling the page lock. Signed-off-by: Matthew Wilcox (Oracle) --- fs/fuse/file.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/fs/fuse/file.c b/fs/fuse/file.c index 6611ef3269a8..7aa5626bc582 100644 --- a/fs/fuse/file.c +++ b/fs/fuse/file.c @@ -850,6 +850,8 @@ static int fuse_readpage(struct file *file, struct page *page) err = fuse_do_readpage(file, page); fuse_invalidate_atime(inode); + if (!err) + return AOP_UPDATED_PAGE; out: unlock_page(page); return err; -- 2.28.0