From patchwork Wed Apr 22 15:02:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jan Kara X-Patchwork-Id: 11504097 Return-Path: Received: from mail.kernel.org (pdx-korg-mail-1.web.codeaurora.org [172.30.200.123]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id B75981667 for ; Wed, 22 Apr 2020 15:05:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id AA1E120738 for ; Wed, 22 Apr 2020 15:05:55 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727787AbgDVPD7 (ORCPT ); Wed, 22 Apr 2020 11:03:59 -0400 Received: from mx2.suse.de ([195.135.220.15]:58130 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728099AbgDVPDI (ORCPT ); Wed, 22 Apr 2020 11:03:08 -0400 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.220.254]) by mx2.suse.de (Postfix) with ESMTP id 6237AAE18; Wed, 22 Apr 2020 15:03:03 +0000 (UTC) Received: by quack2.suse.cz (Postfix, from userid 1000) id 810F81E0E8B; Wed, 22 Apr 2020 17:03:03 +0200 (CEST) From: Jan Kara To: Matthew Wilcox Cc: , LKML , Jan Kara Subject: [PATCH 10/23] dax: Convert xas_store() to xas_store_noinit() Date: Wed, 22 Apr 2020 17:02:43 +0200 Message-Id: <20200422150256.23473-11-jack@suse.cz> X-Mailer: git-send-email 2.16.4 In-Reply-To: <20200422150256.23473-1-jack@suse.cz> References: <20200422150256.23473-1-jack@suse.cz> Sender: linux-fsdevel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-fsdevel@vger.kernel.org All remaining users of xas_store() store non-NULL entries so xas_store() and xas_store_noinit() are equivalent. Replace xas_store() with xas_store_noinit(). Signed-off-by: Jan Kara --- fs/dax.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/fs/dax.c b/fs/dax.c index 03c6ca693f3c..1c905830ee10 100644 --- a/fs/dax.c +++ b/fs/dax.c @@ -283,7 +283,7 @@ static void dax_unlock_entry(struct xa_state *xas, void *entry) BUG_ON(dax_is_locked(entry)); xas_reset(xas); xas_lock_irq(xas); - old = xas_store(xas, entry); + old = xas_store_noinit(xas, entry); xas_unlock_irq(xas); BUG_ON(!dax_is_locked(old)); dax_wake_entry(xas, entry, false); @@ -295,7 +295,7 @@ static void dax_unlock_entry(struct xa_state *xas, void *entry) static void *dax_lock_entry(struct xa_state *xas, void *entry) { unsigned long v = xa_to_value(entry); - return xas_store(xas, xa_mk_value(v | DAX_LOCKED)); + return xas_store_noinit(xas, xa_mk_value(v | DAX_LOCKED)); } static unsigned long dax_entry_size(void *entry) @@ -923,7 +923,7 @@ static int dax_writeback_one(struct xa_state *xas, struct dax_device *dax_dev, */ xas_reset(xas); xas_lock_irq(xas); - xas_store(xas, entry); + xas_store_noinit(xas, entry); xas_clear_mark(xas, PAGECACHE_TAG_DIRTY); dax_wake_entry(xas, entry, false);