From patchwork Fri Aug 25 20:12:20 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Matthew Wilcox X-Patchwork-Id: 716906 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 7F4E9EE49AD for ; Fri, 25 Aug 2023 20:13:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230375AbjHYUNN (ORCPT ); Fri, 25 Aug 2023 16:13:13 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51286 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229947AbjHYUMk (ORCPT ); Fri, 25 Aug 2023 16:12:40 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 06B23268A; Fri, 25 Aug 2023 13:12:37 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; 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=fxy1kaAeEWtQm4Qa6KusH4MEhe1DgzyM9H3+GJSje7M=; b=OMTu+407vpy2Ju6kymNy+JhTEe Uy0vM00JXPoqmocEoS4OW9I3bCSHv0j4pCCsAUfoB1/cnEAf5fahgRUB3UBAYfXmjhqF8RRhN2b3m yprDZonXPHdszxqIzxtWfDIN3Khdv9jmsLlhrWb56cat+uuowFBoYZesi99KteJ9nQx0q2qWBMum4 7U89OQNf8BTm5NWiD+wgS9/dPa3BDJ5eZ8Oo5On0b6EZrkSssJQwETJVniMjXdRnFys+Flk70aQxE l9J6/YOEIqZLBAIG/psH+SbrG87BiiNelOckCnF1rvVykENQlDsfSy7IlBzQRCsEspzXgVEV8aI4U HOMTL7Mg==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1qZdAV-001SZw-TO; Fri, 25 Aug 2023 20:12:31 +0000 From: "Matthew Wilcox (Oracle)" To: Xiubo Li , Ilya Dryomov Cc: "Matthew Wilcox (Oracle)" , Jeff Layton , ceph-devel@vger.kernel.org, David Howells , linux-fsdevel@vger.kernel.org Subject: [PATCH 10/15] ceph: Convert ceph_read_iter() to use a folio to read inline data Date: Fri, 25 Aug 2023 21:12:20 +0100 Message-Id: <20230825201225.348148-11-willy@infradead.org> X-Mailer: git-send-email 2.37.1 In-Reply-To: <20230825201225.348148-1-willy@infradead.org> References: <20230825201225.348148-1-willy@infradead.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: ceph-devel@vger.kernel.org Use the folio APIs instead of the page APIs. Signed-off-by: Matthew Wilcox (Oracle) --- fs/ceph/file.c | 20 ++++++++++---------- 1 file changed, 10 insertions(+), 10 deletions(-) diff --git a/fs/ceph/file.c b/fs/ceph/file.c index b1da02f5dbe3..5c4f763b1304 100644 --- a/fs/ceph/file.c +++ b/fs/ceph/file.c @@ -2083,19 +2083,19 @@ static ssize_t ceph_read_iter(struct kiocb *iocb, struct iov_iter *to) if (retry_op > HAVE_RETRIED && ret >= 0) { int statret; - struct page *page = NULL; + struct folio *folio = NULL; loff_t i_size; if (retry_op == READ_INLINE) { - page = __page_cache_alloc(GFP_KERNEL); - if (!page) + folio = filemap_alloc_folio(GFP_KERNEL, 0); + if (!folio) return -ENOMEM; } - statret = __ceph_do_getattr(inode, page, - CEPH_STAT_CAP_INLINE_DATA, !!page); + statret = __ceph_do_getattr(inode, &folio->page, + CEPH_STAT_CAP_INLINE_DATA, !!folio); if (statret < 0) { - if (page) - __free_page(page); + if (folio) + folio_put(folio); if (statret == -ENODATA) { BUG_ON(retry_op != READ_INLINE); goto again; @@ -2112,8 +2112,8 @@ static ssize_t ceph_read_iter(struct kiocb *iocb, struct iov_iter *to) iocb->ki_pos + len); end = min_t(loff_t, end, PAGE_SIZE); if (statret < end) - zero_user_segment(page, statret, end); - ret = copy_page_to_iter(page, + folio_zero_segment(folio, statret, end); + ret = copy_folio_to_iter(folio, iocb->ki_pos & ~PAGE_MASK, end - iocb->ki_pos, to); iocb->ki_pos += ret; @@ -2126,7 +2126,7 @@ static ssize_t ceph_read_iter(struct kiocb *iocb, struct iov_iter *to) iocb->ki_pos += ret; read += ret; } - __free_pages(page, 0); + folio_put(folio); return read; }