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Date:   Thu, 29 Aug 2019 10:31:07 -0400
From:   Vivek Goyal <vgoyal@redhat.com>
To:     Miklos Szeredi <miklos@szeredi.hu>
Cc:     linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
        virtio-fs@redhat.com, Stefan Hajnoczi <stefanha@redhat.com>,
        "Dr. David Alan Gilbert" <dgilbert@redhat.com>
Subject: Re: [PATCH v3 00/13] virtio-fs: shared file system for virtual
 machines
Message-ID: <20190829143107.GB6744@redhat.com>
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On Thu, Aug 29, 2019 at 03:41:26PM +0200, Miklos Szeredi wrote:
> On Thu, Aug 29, 2019 at 3:29 PM Vivek Goyal <vgoyal@redhat.com> wrote:
> 
> > #ifdef CONFIG_VIRTIO_FS
> >         /** virtio-fs's physically contiguous buffer for in and out args */
> >         void *argbuf;
> > #endif
> >
> > It should have worked. Not sure why it is not working.
> 
> Needs to be changed to
> 
> #if IS_ENABLED(CONFIG_VIRTIO_FS)
> 
> Pushed out fixed version.

Cool. That works. Faced another compilation error with "make allmodconfig"
config file.

  HDRINST usr/include/linux/virtio_fs.h
error: include/uapi/linux/virtio_fs.h: missing "WITH Linux-syscall-note" for SPDX-License-Identifier
make[1]: *** [scripts/Makefile.headersinst:66: usr/include/linux/virtio_fs.h] Error 1

Looks like include/uapi/linux/virtio_fs.h needs following.

-/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
+/* SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause) */

Vivek