From patchwork Mon Jun 6 20:40:36 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matthew Wilcox (Oracle)" X-Patchwork-Id: 12871024 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 E51CEC43334 for ; Mon, 6 Jun 2022 20:49:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234353AbiFFUt3 (ORCPT ); Mon, 6 Jun 2022 16:49:29 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47372 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234367AbiFFUsi (ORCPT ); Mon, 6 Jun 2022 16:48:38 -0400 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 16F126142; Mon, 6 Jun 2022 13:41:16 -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=qQEq4mdildUXXhXlw26OgbbgbPBpQ0UP7iPop0FGmsk=; b=smk5cZ9QlxWeUzBKWfo86nVrRn 486Q4WmG9O8N7FW33RHEsLn1KdnhRCjpYsCnh2VTGHbxlEbEoaGncZWPwo88zaujLhSpvhlFYqZjF rT/pg4CkWWNMdWfegFLoYHJvmoFIm1xAxZgu4kmCe6BWjH2QkN1GsU7kYe50wZfva3uEoQHLUVRRU edvLwLiCnvO9Xryb+ZR231DA0eGBN7CXz/fAN+xjcrsnTNRjReFVIp2BGCweM6NJZGbCkhTvenoYZ cQCh2ENLaKQwbX+uc1wEhsR2j84htsXjEviyNnafZBo9+lFBva15d5sRZGRRozu2cOzqXNQM+sbim Zzrgg9gg==; Received: from willy by casper.infradead.org with local (Exim 4.94.2 #2 (Red Hat Linux)) id 1nyJWx-00B19U-0Q; Mon, 06 Jun 2022 20:40:55 +0000 From: "Matthew Wilcox (Oracle)" To: linux-fsdevel@vger.kernel.org Cc: "Matthew Wilcox (Oracle)" , linux-kernel@vger.kernel.org, linux-block@vger.kernel.org, linux-aio@kvack.org, linux-btrfs@vger.kernel.org, linux-ext4@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, cluster-devel@redhat.com, linux-mm@kvack.org, linux-xfs@vger.kernel.org, linux-nfs@vger.kernel.org, linux-ntfs-dev@lists.sourceforge.net, ocfs2-devel@oss.oracle.com, linux-mtd@lists.infradead.org, virtualization@lists.linux-foundation.org Subject: [PATCH 06/20] btrfs: Convert btree_migratepage to migrate_folio Date: Mon, 6 Jun 2022 21:40:36 +0100 Message-Id: <20220606204050.2625949-7-willy@infradead.org> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20220606204050.2625949-1-willy@infradead.org> References: <20220606204050.2625949-1-willy@infradead.org> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Use a folio throughout this function. migrate_page() will be converted later. Signed-off-by: Matthew Wilcox (Oracle) Reviewed-by: Christoph Hellwig --- fs/btrfs/disk-io.c | 22 ++++++++++------------ 1 file changed, 10 insertions(+), 12 deletions(-) diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c index 12b11e645c14..9ceb73f683af 100644 --- a/fs/btrfs/disk-io.c +++ b/fs/btrfs/disk-io.c @@ -952,28 +952,28 @@ void btrfs_submit_metadata_bio(struct inode *inode, struct bio *bio, int mirror_ } #ifdef CONFIG_MIGRATION -static int btree_migratepage(struct address_space *mapping, - struct page *newpage, struct page *page, - enum migrate_mode mode) +static int btree_migrate_folio(struct address_space *mapping, + struct folio *dst, struct folio *src, enum migrate_mode mode) { /* * we can't safely write a btree page from here, * we haven't done the locking hook */ - if (PageDirty(page)) + if (folio_test_dirty(src)) return -EAGAIN; /* * Buffers may be managed in a filesystem specific way. * We must have no buffers or drop them. */ - if (page_has_private(page) && - !try_to_release_page(page, GFP_KERNEL)) + if (folio_get_private(src) && + !filemap_release_folio(src, GFP_KERNEL)) return -EAGAIN; - return migrate_page(mapping, newpage, page, mode); + return migrate_page(mapping, &dst->page, &src->page, mode); } +#else +#define btree_migrate_folio NULL #endif - static int btree_writepages(struct address_space *mapping, struct writeback_control *wbc) { @@ -1073,10 +1073,8 @@ static const struct address_space_operations btree_aops = { .writepages = btree_writepages, .release_folio = btree_release_folio, .invalidate_folio = btree_invalidate_folio, -#ifdef CONFIG_MIGRATION - .migratepage = btree_migratepage, -#endif - .dirty_folio = btree_dirty_folio, + .migrate_folio = btree_migrate_folio, + .dirty_folio = btree_dirty_folio, }; struct extent_buffer *btrfs_find_create_tree_block(