Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753668AbdLFAn3 (ORCPT ); Tue, 5 Dec 2017 19:43:29 -0500 Received: from bombadil.infradead.org ([65.50.211.133]:34043 "EHLO bombadil.infradead.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753392AbdLFAmR (ORCPT ); Tue, 5 Dec 2017 19:42:17 -0500 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 60/73] dax: Convert __dax_invalidate_mapping_entry to XArray Date: Tue, 5 Dec 2017 16:41:46 -0800 Message-Id: <20171206004159.3755-61-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-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1310 Lines: 45 From: Matthew Wilcox Simple now that we already have an xa_state! Signed-off-by: Matthew Wilcox --- fs/dax.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/fs/dax.c b/fs/dax.c index ad984dece12e..66f6c4ea18f7 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -413,24 +413,24 @@ static int __dax_invalidate_mapping_entry(struct address_space *mapping, XA_STATE(xas, &mapping->pages, index); int ret = 0; void *entry; - struct radix_tree_root *pages = &mapping->pages; xa_lock_irq(&mapping->pages); entry = get_unlocked_mapping_entry(&xas); if (!entry || WARN_ON_ONCE(!xa_is_value(entry))) goto out; if (!trunc && - (radix_tree_tag_get(pages, index, PAGECACHE_TAG_DIRTY) || - radix_tree_tag_get(pages, index, PAGECACHE_TAG_TOWRITE))) + (xas_get_tag(&xas, PAGECACHE_TAG_DIRTY) || + xas_get_tag(&xas, PAGECACHE_TAG_TOWRITE))) goto out; - radix_tree_delete(pages, index); + xas_store(&xas, NULL); mapping->nrexceptional--; ret = 1; out: put_unlocked_mapping_entry(&xas, entry); - xa_unlock_irq(&mapping->pages); + xas_unlock_irq(&xas); return ret; } + /* * Delete DAX data value entry at @index from @mapping. Wait for radix tree * entry to get unlocked before deleting it. -- 2.15.0