From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 255E813D880 for ; Sat, 17 Aug 2024 07:25:22 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723879524; cv=none; b=luB66ykF3aVBRyWDGErQv0MOc0FoVfMJwlkvYMZDgrTbtZSQXOLzh7Qx1UvkMdD5PLJDlcb0GC9/4hdzLF7AVkzijqMrhADL1idIADBf+yJL8z2Ka770kndBVV/Id15+BgAYlB9iB30ryjp38qbKiVYGFLdmcwe/dsrl/0ifBFY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1723879524; c=relaxed/simple; bh=J58qyY1dIf3fsyEM5X/O0hHB0Dj14Rs70YnJiL2SxR4=; h=From:In-Reply-To:References:To:Cc:Subject:MIME-Version: Content-Type:Date:Message-ID; b=NwUjuJes/4h+dgDNOKsGMdpZ3pgpJeByzahNIPaB+oiVBGWR0qHfSeAOuISwo4qJh6YzPQsY+6IvY8WkMT7kjXfOwsWU4ftR/DRrvM7FYXUyD6I8+Kgzj3CrKSvyl23dyAXtK2ldUDLb15EimEwVJaw6S2HSMgn+IkvXrt+g29U= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=XW/7kotd; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="XW/7kotd" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1723879521; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=OMOwGg5dl5W2520NqtMpFscL8MlK/BxGGQG5guJsQxI=; b=XW/7kotdjT+dB79ssAM2PYccUzMbOyVomAMX1PtwlBD5u5E3GpAo2cqLGYo6GPVn6R99xL HU+JG5/AltqRT0GkltmNfrfjvO04/ubUCaTd62Ao57kTcPIIzPHBIjdxwY0mTqIwB4qK9b cNvK0DQZYJejsce28jlUtetvjRszwB8= Received: from mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-495-75_9QSSmOZiEZ0_zsJit3g-1; Sat, 17 Aug 2024 03:24:53 -0400 X-MC-Unique: 75_9QSSmOZiEZ0_zsJit3g-1 Received: from mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.15]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id B559419560B4; Sat, 17 Aug 2024 07:24:51 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.42.28.30]) by mx-prod-int-02.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id B4A6A19540F0; Sat, 17 Aug 2024 07:24:49 +0000 (UTC) Organization: Red Hat UK Ltd. Registered Address: Red Hat UK Ltd, Amberley Place, 107-111 Peascod Street, Windsor, Berkshire, SI4 1TE, United Kingdom. Registered in England and Wales under Company Registration No. 3798903 From: David Howells In-Reply-To: References: <20240816-vfs-misc-dio-v1-1-80fe21a2c710@kernel.org> <2834955.1723825625@warthog.procyon.org.uk> To: Mateusz Guzik Cc: dhowells@redhat.com, Christian Brauner , Christoph Hellwig , linux-fsdevel@vger.kernel.org, Jan Kara , Jeff Layton Subject: Re: [PATCH] inode: remove __I_DIO_WAKEUP Precedence: bulk X-Mailing-List: linux-fsdevel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <3095916.1723879488.1@warthog.procyon.org.uk> Date: Sat, 17 Aug 2024 08:24:48 +0100 Message-ID: <3095917.1723879488@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 3.0 on 10.30.177.15 Mateusz Guzik wrote: > ... atomic_read and atomic_set -- these merely expand to regular movs, ... Ah, no, that's not necessarily true. See arch/parisc/include/asm/atomic.h. David