From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-wr0-f199.google.com (mail-wr0-f199.google.com [209.85.128.199]) by kanga.kvack.org (Postfix) with ESMTP id 4A6346B0575 for ; Wed, 9 May 2018 15:38:49 -0400 (EDT) Received: by mail-wr0-f199.google.com with SMTP id 54-v6so19106349wrw.1 for ; Wed, 09 May 2018 12:38:49 -0700 (PDT) Received: from Galois.linutronix.de (Galois.linutronix.de. [2a01:7a0:2:106d:700::1]) by mx.google.com with ESMTPS id x1si7874118wmh.186.2018.05.09.12.38.48 for (version=TLS1_2 cipher=AES128-SHA bits=128/128); Wed, 09 May 2018 12:38:48 -0700 (PDT) From: Sebastian Andrzej Siewior Subject: [PATCH 8/8] md: raid5: Do not disable irq on release_inactive_stripe_list() call Date: Wed, 9 May 2018 21:36:45 +0200 Message-Id: <20180509193645.830-9-bigeasy@linutronix.de> In-Reply-To: <20180509193645.830-1-bigeasy@linutronix.de> References: <20180509193645.830-1-bigeasy@linutronix.de> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Sender: owner-linux-mm@kvack.org List-ID: To: linux-kernel@vger.kernel.org Cc: tglx@linutronix.de, Peter Zijlstra , Ingo Molnar , linux-mm@kvack.org, Shaohua Li , linux-raid@vger.kernel.org, Anna-Maria Gleixner , Sebastian Andrzej Siewior From: Anna-Maria Gleixner There is no need to invoke release_inactive_stripe_list() with interrupts disabled. All call sites, except raid5_release_stripe(), unlock ->device_lock and enable interrupts before invoking the function. Make it consistent. Signed-off-by: Anna-Maria Gleixner [bigeasy: s@atomic_dec_and_lock@refcount_dec_and_lock@g ] Signed-off-by: Sebastian Andrzej Siewior --- drivers/md/raid5.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/drivers/md/raid5.c b/drivers/md/raid5.c index 28453264c3eb..9433b2619006 100644 --- a/drivers/md/raid5.c +++ b/drivers/md/raid5.c @@ -414,9 +414,8 @@ void raid5_release_stripe(struct stripe_head *sh) INIT_LIST_HEAD(&list); hash =3D sh->hash_lock_index; do_release_stripe(conf, sh, &list); - spin_unlock(&conf->device_lock); + spin_unlock_irqrestore(&conf->device_lock, flags); release_inactive_stripe_list(conf, &list, hash); - local_irq_restore(flags); } } =20 --=20 2.17.0