On 11/24/10 03:38, Hidetoshi Seto wrote:
> This patch introduce a fallback mechanism for old systems that do not
> support utimensat().  This fix build failure with following warnings:
> 
> hw/virtio-9p-local.c: In function 'local_utimensat':
> hw/virtio-9p-local.c:479: warning: implicit declaration of function 
> 'utimensat'
> hw/virtio-9p-local.c:479: warning: nested extern declaration of 'utimensat'
> 
> and:
> 
> hw/virtio-9p.c: In function 'v9fs_setattr_post_chmod':
> hw/virtio-9p.c:1410: error: 'UTIME_NOW' undeclared (first use in this 
> function)
> hw/virtio-9p.c:1410: error: (Each undeclared identifier is reported only once
> hw/virtio-9p.c:1410: error: for each function it appears in.)
> hw/virtio-9p.c:1413: error: 'UTIME_OMIT' undeclared (first use in this 
> function)
> hw/virtio-9p.c: In function 'v9fs_wstat_post_chmod':
> hw/virtio-9p.c:2905: error: 'UTIME_OMIT' undeclared (first use in this 
> function)
> 
> [NOTE: At this time virtio-9p is only user of utimensat(), and is available
>        only when host is linux and CONFIG_VIRTFS is defined.  So there are
>        no similar warning for win32.  Please provide a wrapper for win32 in
>        oslib-win32.c if new user really requires it.]
> 
> v5:
>   - Allow fallback on runtime
>   - Move qemu_utimensat() to oslib-posix.c
>   - Rebased on latest qemu.git
> v4:
>   - Use tv_now.tv_usec
> v3:
>   - Use better alternative handling for UTIME_NOW/OMIT
>   - Move qemu_utimensat() to cutils.c
> V2:
>   - Introduce qemu_utimensat()
> 
> Acked-by: Chris Wright <chr...@sous-sol.org>
> Acked-by: M. Mohan Kumar <mo...@in.ibm.com>
> Signed-off-by: Hidetoshi Seto <seto.hideto...@jp.fujitsu.com>
> ---
>  hw/virtio-9p-local.c |    4 ++--
>  oslib-posix.c        |   48 ++++++++++++++++++++++++++++++++++++++++++++++++
>  qemu-os-posix.h      |   12 ++++++++++++
>  3 files changed, 62 insertions(+), 2 deletions(-)

Hi Hidetoshi,

This looks good to me!

Acked-by: Jes Sorensen <jes.soren...@redhat.com>

Cheers,
Jes

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