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@xxxxxxxxxx> 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