From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) (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 6B474145A03 for ; Thu, 13 Feb 2025 15:25:35 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.133.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739460336; cv=none; b=WaSeCfhuozhNTfpG6dPloXmqodyG8wGGVLXl5NY6xNo2Dlm535aoEoPPmAeERWp1FuMKgFzMouqdhrI5f6/ZDhtRSCkxIG+G5WpLUTXKcWEzEKE3BYuBwcx3wagIEKMuXnUIzo95aHFun0nxhdUVpOGcTCagM4vWK7SEBV2sm1k= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1739460336; c=relaxed/simple; bh=zk1OSRdKIwz2dt8AtiPc/57OeJQvHna0rCg2CNI7luQ=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=cJ42nzQBwc31Su4Qk0cvz5SyjY3VnMLdq6i0mGX0a7PPKawVl+Qet0Aj+t5A8OrhlYAC79RpbuHTRhHJLyyTCxBc7WehY/Izn3moDkHmX2B48HZ+o9uaJsOdmc6z4A/TKQWCxy7W+JGRWFJRP6srGTFng6I169BWlsQHTbvnM4U= 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=i89ztY+n; arc=none smtp.client-ip=170.10.133.124 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="i89ztY+n" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1739460334; 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=tPCVkxUdnWQsj8W2o6ba0A8R3JaO4Lg9gQu1gKaeLto=; b=i89ztY+nCXcVXfxqZHHKkEkwdXgyYsHGPRH5pnDSuG1RGdq60SWBHkhXPHzSVezKCtnNip db8HP3+mLvuZKaU9KjDT+oM0WK4F3aBGB26dFRu1zb4lFRn05ejPcHJZkOdelORi+9+eqP /x4WHQa4xMfanXK0lQxMqN9AsiMCEzU= 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-138-WjBLI-SoMWSQxF7cU2DZmQ-1; Thu, 13 Feb 2025 10:25:32 -0500 X-MC-Unique: WjBLI-SoMWSQxF7cU2DZmQ-1 X-Mimecast-MFC-AGG-ID: WjBLI-SoMWSQxF7cU2DZmQ_1739460327 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (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 598F71955F28; Thu, 13 Feb 2025 15:25:27 +0000 (UTC) Received: from bfoster (unknown [10.22.88.88]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 6C0D819373C4; Thu, 13 Feb 2025 15:25:26 +0000 (UTC) Date: Thu, 13 Feb 2025 10:27:52 -0500 From: Brian Foster To: Christoph Hellwig Cc: linux-fsdevel@vger.kernel.org, linux-xfs@vger.kernel.org, "Darrick J . Wong" Subject: Re: [PATCH 09/10] iomap: remove unnecessary advance from iomap_iter() Message-ID: References: <20250212135712.506987-1-bfoster@redhat.com> <20250212135712.506987-10-bfoster@redhat.com> Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 On Wed, Feb 12, 2025 at 10:59:44PM -0800, Christoph Hellwig wrote: > On Wed, Feb 12, 2025 at 08:57:11AM -0500, Brian Foster wrote: > > + ret = (iter->len > 0) ? 1 : 0; > > + if (iter->processed < 0) > > + ret = iter->processed; > > + else if (!advanced && !stale) > > ret = 0; > > Maybe reshuffle this a bit as: > > if (iter->processed < 0) > ret = iter->processed; > else if (iter->len == 0 || (!advanced && !stale)) > ret = 0; > else > ret = 1; > > Otherwise this looks great! > Ack, I like that better. Thanks for the feedback. Brian