Return-Path: Received: from mail-ot0-f193.google.com ([74.125.82.193]:34001 "EHLO mail-ot0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751643AbdBDWMt (ORCPT ); Sat, 4 Feb 2017 17:12:49 -0500 Received: by mail-ot0-f193.google.com with SMTP id 73so6330165otj.1 for ; Sat, 04 Feb 2017 14:12:49 -0800 (PST) MIME-Version: 1.0 In-Reply-To: <20170204192655.GA13195@ZenIV.linux.org.uk> References: <20170124212327.14517-1-jlayton@redhat.com> <20170125133205.21704-1-jlayton@redhat.com> <20170202095125.GF27291@ZenIV.linux.org.uk> <20170204030842.GL27291@ZenIV.linux.org.uk> <20170204192655.GA13195@ZenIV.linux.org.uk> From: Miklos Szeredi Date: Sat, 4 Feb 2017 23:12:48 +0100 Message-ID: Subject: Re: [PATCH v3 0/2] iov_iter: allow iov_iter_get_pages_alloc to allocate more pages per call To: Al Viro Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org, Linux NFS list , ceph-devel@vger.kernel.org, lustre-devel@lists.lustre.org, v9fs-developer@lists.sourceforge.net, Linus Torvalds , Jan Kara , Chris Wilson , "Kirill A. Shutemov" , Jeff Layton Content-Type: text/plain; charset=UTF-8 Sender: linux-nfs-owner@vger.kernel.org List-ID: On Sat, Feb 4, 2017 at 8:26 PM, Al Viro wrote: > On Sat, Feb 04, 2017 at 03:08:42AM +0000, Al Viro wrote: > What am I missing here? Looks like those checks in fuse_copy_page() are > dead code... They had been there since the initial merge, but AFAICS > they were just as useless in 2.6.14. Rudiments of some prehistorical stuff > that never had been cleaned out, perhaps? Yep, that one is probably historical. I'll double check to make sure, though. Thanks, Miklos