From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 365CCC433EF for ; Mon, 11 Apr 2022 12:29:09 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1346069AbiDKMbV (ORCPT ); Mon, 11 Apr 2022 08:31:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51988 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238144AbiDKMbR (ORCPT ); Mon, 11 Apr 2022 08:31:17 -0400 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.133.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTP id 4CA44BC7 for ; Mon, 11 Apr 2022 05:29:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1649680142; 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=ZZxI4JpPALM+cig/mNfvr19ofAGALyaSEU5a24joVus=; b=BKi3UdjrGrdygUh+G2Le7FFmeMeLU8k/VfDOIVyEk3txmxkRFdvKs9ibr18L3ZRO/xx4q2 ktQ892Vwb9iBq2R4Kz8g1GM9JUyVAuzQuOmjGVs510f+zC8bTGIEsotPOCSyzASZoNfOFA iv50UOmio3q39QFy5mHDVoSYbGMjn74= Received: from mimecast-mx02.redhat.com (mimecast-mx02.redhat.com [66.187.233.88]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-562-cVdYnBS4P_6E-9tLZGI5oQ-1; Mon, 11 Apr 2022 08:29:01 -0400 X-MC-Unique: cVdYnBS4P_6E-9tLZGI5oQ-1 Received: from smtp.corp.redhat.com (int-mx10.intmail.prod.int.rdu2.redhat.com [10.11.54.10]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 5DB8C185A7A4; Mon, 11 Apr 2022 12:29:00 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.33.37.45]) by smtp.corp.redhat.com (Postfix) with ESMTP id B2EE741639E; Mon, 11 Apr 2022 12:28:57 +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: <20220406075612.60298-4-jefflexu@linux.alibaba.com> References: <20220406075612.60298-4-jefflexu@linux.alibaba.com> <20220406075612.60298-1-jefflexu@linux.alibaba.com> To: Jeffle Xu Cc: dhowells@redhat.com, linux-cachefs@redhat.com, xiang@kernel.org, chao@kernel.org, linux-erofs@lists.ozlabs.org, torvalds@linux-foundation.org, gregkh@linuxfoundation.org, willy@infradead.org, linux-fsdevel@vger.kernel.org, joseph.qi@linux.alibaba.com, bo.liu@linux.alibaba.com, tao.peng@linux.alibaba.com, gerry@linux.alibaba.com, eguan@linux.alibaba.com, linux-kernel@vger.kernel.org, luodaowen.backend@bytedance.com, tianzichen@kuaishou.com, fannaihao@baidu.com Subject: Re: [PATCH v8 03/20] cachefiles: notify user daemon with anon_fd when looking up cookie MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-ID: <1091117.1649680137.1@warthog.procyon.org.uk> Date: Mon, 11 Apr 2022 13:28:57 +0100 Message-ID: <1091118.1649680137@warthog.procyon.org.uk> X-Scanned-By: MIMEDefang 2.85 on 10.11.54.10 Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Jeffle Xu wrote: > + This permits on-demand read mode of cachefiles. In this mode, when > + cache miss, the cachefiles backend instead of netfs, is responsible > + for fetching data, e.g. through user daemon. That third line should probably begin with a tab as the other two line do. > +static inline void cachefiles_flush_reqs(struct cachefiles_cache *cache) If it's in a .c file, there's no need to mark it "inline". The compiler will inline it anyway if it decides it should. > +#ifdef CONFIG_CACHEFILES_ONDEMAND > + cachefiles_flush_reqs(cache); > + xa_destroy(&cache->reqs); > +#endif If cachefiles_flush_reqs() is only used in this one place, the xa_destroy() should possibly be moved into it. David