Message ID | 20230520000049.2226926-14-dhowells@redhat.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show
Return-Path: <linux-fsdevel-owner@vger.kernel.org> 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 D872BC7EE30 for <linux-fsdevel@archiver.kernel.org>; Sat, 20 May 2023 00:03:47 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230433AbjETADq (ORCPT <rfc822;linux-fsdevel@archiver.kernel.org>); Fri, 19 May 2023 20:03:46 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51478 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230420AbjETAD3 (ORCPT <rfc822;linux-fsdevel@vger.kernel.org>); Fri, 19 May 2023 20:03:29 -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 ESMTPS id 3CF5F1701 for <linux-fsdevel@vger.kernel.org>; Fri, 19 May 2023 17:01:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1684540900; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=gRzUovfXnw170GzVg3YWYDNx7Fcy6r2PjCbmCvJAFKQ=; b=VCnM8bOD1X3wjcWyH6TqpD3vhQCjQVYKXRA0ePc4p9irISp92VX1KvUPvlybNpRlEhnwth iPU2kD0M3Q/KYNNy8lHejJZ+Svt5okWcA3oivJE8PTzSqf+wj77gLVkXwZuuT/Z/rktl+v KYNVKv0Wtx4AV+r0C7GLkyL4XkypzCM= Received: from mimecast-mx02.redhat.com (mx3-rdu2.redhat.com [66.187.233.73]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id us-mta-672-1JhP-Y78PWKPthfxNC2xdQ-1; Fri, 19 May 2023 20:01:35 -0400 X-MC-Unique: 1JhP-Y78PWKPthfxNC2xdQ-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.rdu2.redhat.com [10.11.54.1]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx02.redhat.com (Postfix) with ESMTPS id 4596E1C041B8; Sat, 20 May 2023 00:01:34 +0000 (UTC) Received: from warthog.procyon.org.uk (unknown [10.42.28.221]) by smtp.corp.redhat.com (Postfix) with ESMTP id B4E3740CFD48; Sat, 20 May 2023 00:01:31 +0000 (UTC) From: David Howells <dhowells@redhat.com> To: Jens Axboe <axboe@kernel.dk>, Al Viro <viro@zeniv.linux.org.uk>, Christoph Hellwig <hch@infradead.org> Cc: David Howells <dhowells@redhat.com>, Matthew Wilcox <willy@infradead.org>, Jan Kara <jack@suse.cz>, Jeff Layton <jlayton@kernel.org>, David Hildenbrand <david@redhat.com>, Jason Gunthorpe <jgg@nvidia.com>, Logan Gunthorpe <logang@deltatee.com>, Hillf Danton <hdanton@sina.com>, Christian Brauner <brauner@kernel.org>, Linus Torvalds <torvalds@linux-foundation.org>, linux-fsdevel@vger.kernel.org, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-mm@kvack.org, "David S. Miller" <davem@davemloft.net>, Eric Dumazet <edumazet@google.com>, Jakub Kicinski <kuba@kernel.org>, Paolo Abeni <pabeni@redhat.com>, Christoph Hellwig <hch@lst.de>, netdev@vger.kernel.org Subject: [PATCH v21 13/30] net: Make sock_splice_read() use copy_splice_read() by default Date: Sat, 20 May 2023 01:00:32 +0100 Message-Id: <20230520000049.2226926-14-dhowells@redhat.com> In-Reply-To: <20230520000049.2226926-1-dhowells@redhat.com> References: <20230520000049.2226926-1-dhowells@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.1 on 10.11.54.1 Precedence: bulk List-ID: <linux-fsdevel.vger.kernel.org> X-Mailing-List: linux-fsdevel@vger.kernel.org |
Series |
splice: Kill ITER_PIPE
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expand
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diff --git a/net/socket.c b/net/socket.c index b7e01d0fe082..401778380195 100644 --- a/net/socket.c +++ b/net/socket.c @@ -1093,7 +1093,7 @@ static ssize_t sock_splice_read(struct file *file, loff_t *ppos, struct socket *sock = file->private_data; if (unlikely(!sock->ops->splice_read)) - return generic_file_splice_read(file, ppos, pipe, len, flags); + return copy_splice_read(file, ppos, pipe, len, flags); return sock->ops->splice_read(sock, ppos, pipe, len, flags); }
Make sock_splice_read() use copy_splice_read() by default as file_splice_read() will return immediately with 0 as a socket has no pagecache and is a zero-size file. Signed-off-by: David Howells <dhowells@redhat.com> cc: "David S. Miller" <davem@davemloft.net> cc: Eric Dumazet <edumazet@google.com> cc: Jakub Kicinski <kuba@kernel.org> cc: Paolo Abeni <pabeni@redhat.com> cc: Christoph Hellwig <hch@lst.de> cc: Al Viro <viro@zeniv.linux.org.uk> cc: Jens Axboe <axboe@kernel.dk> cc: netdev@vger.kernel.org cc: linux-block@vger.kernel.org cc: linux-mm@kvack.org --- net/socket.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)