Message ID | 163967079100.1823006.12889542712309574359.stgit@warthog.procyon.org.uk |
---|---|
State | New |
Headers | show
Return-Path: <linux-cifs-owner@vger.kernel.org> X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: bilbo.ozlabs.org; dkim=pass (1024-bit key; unprotected) header.d=redhat.com header.i=@redhat.com header.a=rsa-sha256 header.s=mimecast20190719 header.b=B0wNprR2; dkim-atps=neutral Authentication-Results: ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=vger.kernel.org (client-ip=23.128.96.18; helo=vger.kernel.org; envelope-from=linux-cifs-owner@vger.kernel.org; receiver=<UNKNOWN>) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by bilbo.ozlabs.org (Postfix) with ESMTP id 4JFH6z48Qxz9s1l for <incoming@patchwork.ozlabs.org>; Fri, 17 Dec 2021 03:06:51 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S238848AbhLPQGu (ORCPT <rfc822;incoming@patchwork.ozlabs.org>); Thu, 16 Dec 2021 11:06:50 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.133.124]:58288 "EHLO us-smtp-delivery-124.mimecast.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S238849AbhLPQGl (ORCPT <rfc822;linux-cifs@vger.kernel.org>); Thu, 16 Dec 2021 11:06:41 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1639670800; 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: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=kMo6ZQ/ArCFTRkrHBK1WXDkJ0ktf2/c+8/ZvttYQE+U=; b=B0wNprR2fEXEmyBlIEoBcsmMtualSa3G6goqaoQz/gQBlD94Yxak5vqjrJ6F+Xs62x28wb srp0EJcVoek7SdTVnSZAjYF2nC+bzeRTtgUPpntGZUUbzF0chLfM3DB/sYRY2J1JU9O2CU hsVVWKZZHNqTJ5UsCxCTNAC6OkYqejk= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-628-dLzQ_0p7M3eAoQtzdtw7dg-1; Thu, 16 Dec 2021 11:06:37 -0500 X-MC-Unique: dLzQ_0p7M3eAoQtzdtw7dg-1 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 2A519874982; Thu, 16 Dec 2021 16:06:35 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.33.36.122]) by smtp.corp.redhat.com (Postfix) with ESMTP id E9C135BE37; Thu, 16 Dec 2021 16:06:31 +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 Subject: [PATCH v3 05/68] netfs: Pass a flag to ->prepare_write() to say if there's no alloc'd space From: David Howells <dhowells@redhat.com> To: linux-cachefs@redhat.com Cc: dhowells@redhat.com, Trond Myklebust <trondmy@hammerspace.com>, Anna Schumaker <anna.schumaker@netapp.com>, Steve French <sfrench@samba.org>, Dominique Martinet <asmadeus@codewreck.org>, Jeff Layton <jlayton@kernel.org>, Matthew Wilcox <willy@infradead.org>, Alexander Viro <viro@zeniv.linux.org.uk>, Omar Sandoval <osandov@osandov.com>, JeffleXu <jefflexu@linux.alibaba.com>, Linus Torvalds <torvalds@linux-foundation.org>, linux-afs@lists.infradead.org, linux-nfs@vger.kernel.org, linux-cifs@vger.kernel.org, ceph-devel@vger.kernel.org, v9fs-developer@lists.sourceforge.net, linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org Date: Thu, 16 Dec 2021 16:06:31 +0000 Message-ID: <163967079100.1823006.12889542712309574359.stgit@warthog.procyon.org.uk> In-Reply-To: <163967073889.1823006.12237147297060239168.stgit@warthog.procyon.org.uk> References: <163967073889.1823006.12237147297060239168.stgit@warthog.procyon.org.uk> User-Agent: StGit/0.23 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 2.79 on 10.5.11.15 Precedence: bulk List-ID: <linux-cifs.vger.kernel.org> X-Mailing-List: linux-cifs@vger.kernel.org |
Series |
fscache, cachefiles: Rewrite
|
expand
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diff --git a/fs/netfs/read_helper.c b/fs/netfs/read_helper.c index 75c76cbb27cc..9dd76b8914f2 100644 --- a/fs/netfs/read_helper.c +++ b/fs/netfs/read_helper.c @@ -323,7 +323,7 @@ static void netfs_rreq_do_write_to_cache(struct netfs_read_request *rreq) } ret = cres->ops->prepare_write(cres, &subreq->start, &subreq->len, - rreq->i_size); + rreq->i_size, true); if (ret < 0) { trace_netfs_failure(rreq, subreq, ret, netfs_fail_prepare_write); trace_netfs_sreq(subreq, netfs_sreq_trace_write_skip); diff --git a/include/linux/netfs.h b/include/linux/netfs.h index ca0683b9e3d1..1ea22fc48818 100644 --- a/include/linux/netfs.h +++ b/include/linux/netfs.h @@ -232,7 +232,8 @@ struct netfs_cache_ops { * actually do. */ int (*prepare_write)(struct netfs_cache_resources *cres, - loff_t *_start, size_t *_len, loff_t i_size); + loff_t *_start, size_t *_len, loff_t i_size, + bool no_space_allocated_yet); }; struct readahead_control;
Pass a flag to ->prepare_write() to indicate if there's definitely no space allocated in the cache yet (for instance if we've already checked as we were asked to do a read). Signed-off-by: David Howells <dhowells@redhat.com> cc: linux-cachefs@redhat.com Link: https://lore.kernel.org/r/163819583123.215744.12783808230464471417.stgit@warthog.procyon.org.uk/ # v1 Link: https://lore.kernel.org/r/163906886835.143852.6689886781122679769.stgit@warthog.procyon.org.uk/ # v2 --- fs/netfs/read_helper.c | 2 +- include/linux/netfs.h | 3 ++- 2 files changed, 3 insertions(+), 2 deletions(-)