From patchwork Mon Nov 25 18:01:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matthew Wilcox (Oracle)" X-Patchwork-Id: 13885171 Received: from casper.infradead.org (casper.infradead.org [90.155.50.34]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id A9D7641C92 for ; Mon, 25 Nov 2024 18:01:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=90.155.50.34 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732557688; cv=none; b=s1bkfgXf5yPbT8CRuUohnLwwEOtTNsfPHSKrxv0dK/7G5A/pX8BmIEU7+JLZOJS1NkRy5Pqw3a509Mr6lAw4j/a84zX4y/T5X0EwIN6xJyNaiVAGhDNbpPQ4fAWqxLe9FzxYFnwUAJ9nf1Gf3MHzZVc7FCMHjZw7vrv/wBUtEoc= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1732557688; c=relaxed/simple; bh=VeKPBxAvy1/uP3gnnzQAKTiQmE4feskf0JlwXI3vqeM=; h=From:To:Cc:Subject:Date:Message-ID:MIME-Version; b=ngSB/ypY5nmw4rkYYg9zNOmoyO8qw6b417zEFwZ4AM2Qiy2qJRiSHtJHnluj/mAc3y6Ts39Z1cIuCKSaizIvEQAyvmmNFJOB84ItLphw6pN1OSjgAqGTk4lUm/JjhtKvkE2JA9oOEeCCuSZBZxbaqP6ZWHYLLPBihLVfz+8pIUU= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org; spf=none smtp.mailfrom=infradead.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b=GvlBVmMX; arc=none smtp.client-ip=90.155.50.34 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=infradead.org Authentication-Results: smtp.subspace.kernel.org; spf=none smtp.mailfrom=infradead.org Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=infradead.org header.i=@infradead.org header.b="GvlBVmMX" 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: Message-ID:Date:Subject:Cc:To:From:Sender:Reply-To:Content-Type:Content-ID: Content-Description:In-Reply-To:References; bh=KOS9XrHD8aqr14yYM3nE7i/E3miZ31k/vy11KgYcV7g=; b=GvlBVmMX094uu3vZkohS6bMgnB PCJJns7HXTkvcbEp4SOm5CWu5eATpVxfI85dBGnu6Bj2Z9wZAoIB8K5LLilayAFo5737COh4BNl3r 4bdGyVp4SA8WJYcEeh6OMh9imHORLl90TJiwbOO4Rq0DeGVdiR6Rtro+DSzGO6Qx3Hb4BumoKuEFZ OQbrhJZFmYUyLVRywca37gxpkVCy5QYzK2zX6MC1ovNrSc5CFlxDEH93BZXEW8PZ6KG91EHeHwp/f lhI4/K4Wbg2V0HBRyY3bvC0tMM0aAyURS+cBtYfjIJo6PGu6XMfLL/zWlM0QQ5cOaxpDSNAnpixNj BC+j3vnA==; Received: from willy by casper.infradead.org with local (Exim 4.98 #2 (Red Hat Linux)) id 1tFdOl-0000000CEAE-16ud; Mon, 25 Nov 2024 18:01:23 +0000 From: "Matthew Wilcox (Oracle)" To: Jan Kara Cc: "Matthew Wilcox (Oracle)" , linux-fsdevel@vger.kernel.org Subject: [PATCH] isofs: Partially convert zisofs_read_folio to use a folio Date: Mon, 25 Nov 2024 18:01:14 +0000 Message-ID: <20241125180117.2914311-1-willy@infradead.org> X-Mailer: git-send-email 2.47.0 Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Remove several hidden calls to compound_head() and references to page->index. More needs to be done to use folios throughout the zisofs code. Signed-off-by: Matthew Wilcox (Oracle) --- fs/isofs/compress.c | 12 +++++------- 1 file changed, 5 insertions(+), 7 deletions(-) diff --git a/fs/isofs/compress.c b/fs/isofs/compress.c index 34d5baa5d88a..5f3b6da0e022 100644 --- a/fs/isofs/compress.c +++ b/fs/isofs/compress.c @@ -301,7 +301,6 @@ static int zisofs_fill_pages(struct inode *inode, int full_page, int pcount, */ static int zisofs_read_folio(struct file *file, struct folio *folio) { - struct page *page = &folio->page; struct inode *inode = file_inode(file); struct address_space *mapping = inode->i_mapping; int err; @@ -311,16 +310,15 @@ static int zisofs_read_folio(struct file *file, struct folio *folio) PAGE_SHIFT <= zisofs_block_shift ? (1 << (zisofs_block_shift - PAGE_SHIFT)) : 0; struct page **pages; - pgoff_t index = page->index, end_index; + pgoff_t index = folio->index, end_index; end_index = (inode->i_size + PAGE_SIZE - 1) >> PAGE_SHIFT; /* - * If this page is wholly outside i_size we just return zero; + * If this folio is wholly outside i_size we just return zero; * do_generic_file_read() will handle this for us */ if (index >= end_index) { - SetPageUptodate(page); - unlock_page(page); + folio_end_read(folio, true); return 0; } @@ -338,10 +336,10 @@ static int zisofs_read_folio(struct file *file, struct folio *folio) pages = kcalloc(max_t(unsigned int, zisofs_pages_per_cblock, 1), sizeof(*pages), GFP_KERNEL); if (!pages) { - unlock_page(page); + folio_unlock(folio); return -ENOMEM; } - pages[full_page] = page; + pages[full_page] = &folio->page; for (i = 0; i < pcount; i++, index++) { if (i != full_page)