From patchwork Wed Dec 6 00:41:48 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Matthew Wilcox (Oracle)" X-Patchwork-Id: 10094295 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id 3B61F602BF for ; Wed, 6 Dec 2017 00:45:31 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 2B4DD289B2 for ; Wed, 6 Dec 2017 00:45:31 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 1DC6429860; Wed, 6 Dec 2017 00:45:31 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.8 required=2.0 tests=BAYES_00,DKIM_SIGNED, RCVD_IN_DNSWL_HI,T_DKIM_INVALID autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A628C289B2 for ; Wed, 6 Dec 2017 00:45:30 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753533AbdLFAnH (ORCPT ); Tue, 5 Dec 2017 19:43:07 -0500 Received: from bombadil.infradead.org ([65.50.211.133]:54551 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753395AbdLFAmR (ORCPT ); Tue, 5 Dec 2017 19:42:17 -0500 DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=bombadil.20170209; h=References:In-Reply-To:Message-Id: Date:Subject:Cc:To:From:Sender:Reply-To:MIME-Version:Content-Type: Content-Transfer-Encoding:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Id: List-Help:List-Unsubscribe:List-Subscribe:List-Post:List-Owner:List-Archive; bh=VVIA//ksXQaHzDI5ITDwOsaHgpjYVptbGQNHsgd5c6k=; b=fJl6WN6IT3H00K/gV7RHTCZIz rbs3ncxP/EFGBo2ube6RNu3E1zf57xv7ZJHretzHicLNPsFftlsH0YcSEd7nZJ+nVSpdyc3SZbIuK J/5kTgPovSCsrojZjiqGqyjofCIqw2E95g8tg8jRFN+OIvGFx7Rnf//tb8Gv5i79uZgJltkKtJ6QY T398mrG+v1CB5MSer5UhfEkkIoVcSPq0phCuOeywpjdvkK82o9mXxIP7aE/9NDM0LRs45PM7PHsPT YRpboqyvaiecROwOCN2SoxIAQAW6uzJK52j5e8HSMgPvD7PFOljkLAiANhg2WHL2T4QwGkZQXKTvp qqN4Rkd3w==; Received: from willy by bombadil.infradead.org with local (Exim 4.87 #1 (Red Hat Linux)) id 1eMNmv-0001BM-KJ; Wed, 06 Dec 2017 00:42:13 +0000 From: Matthew Wilcox Cc: Matthew Wilcox , Ross Zwisler , Jens Axboe , Rehas Sachdeva , linux-mm@kvack.org, linux-fsdevel@vger.kernel.org, linux-f2fs-devel@lists.sourceforge.net, linux-nilfs@vger.kernel.org, linux-btrfs@vger.kernel.org, linux-xfs@vger.kernel.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org Subject: [PATCH v4 62/73] dax: Convert dax_insert_pfn_mkwrite to XArray Date: Tue, 5 Dec 2017 16:41:48 -0800 Message-Id: <20171206004159.3755-63-willy@infradead.org> X-Mailer: git-send-email 2.9.5 In-Reply-To: <20171206004159.3755-1-willy@infradead.org> References: <20171206004159.3755-1-willy@infradead.org> To: unlisted-recipients:; (no To-header on input) Sender: linux-btrfs-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-btrfs@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: Matthew Wilcox Signed-off-by: Matthew Wilcox --- fs/dax.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/fs/dax.c b/fs/dax.c index 7bd94f1b61d0..619aff70583f 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -1498,21 +1498,21 @@ static int dax_insert_pfn_mkwrite(struct vm_fault *vmf, void *entry; int vmf_ret, error; - xa_lock_irq(&mapping->pages); + xas_lock_irq(&xas); entry = get_unlocked_mapping_entry(&xas); /* Did we race with someone splitting entry or so? */ if (!entry || (pe_size == PE_SIZE_PTE && !dax_is_pte_entry(entry)) || (pe_size == PE_SIZE_PMD && !dax_is_pmd_entry(entry))) { put_unlocked_mapping_entry(&xas, entry); - xa_unlock_irq(&mapping->pages); + xas_unlock_irq(&xas); trace_dax_insert_pfn_mkwrite_no_entry(mapping->host, vmf, VM_FAULT_NOPAGE); return VM_FAULT_NOPAGE; } - radix_tree_tag_set(&mapping->pages, index, PAGECACHE_TAG_DIRTY); + xas_set_tag(&xas, PAGECACHE_TAG_DIRTY); entry = lock_slot(&xas); - xa_unlock_irq(&mapping->pages); + xas_unlock_irq(&xas); switch (pe_size) { case PE_SIZE_PTE: error = vm_insert_mixed_mkwrite(vmf->vma, vmf->address, pfn);