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[Qemu-devel] Re: [PATCH v5] virtio-9p: fix build on !CONFIG_UTIMENSAT
From: |
Jes Sorensen |
Subject: |
[Qemu-devel] Re: [PATCH v5] virtio-9p: fix build on !CONFIG_UTIMENSAT |
Date: |
Wed, 24 Nov 2010 09:01:06 +0100 |
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Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.12) Gecko/20101103 Fedora/1.0-0.33.b2pre.fc14 Lightning/1.0b3pre Thunderbird/3.1.6 |
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 <address@hidden>
> Acked-by: M. Mohan Kumar <address@hidden>
> Signed-off-by: Hidetoshi Seto <address@hidden>
> ---
> 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 <address@hidden>
Cheers,
Jes