[libvirt] [PATCH] qemu: Don't chown files on NFS share if dynamic_ownership is off

[Eric Blake]

On 07/07/2011 09:33 AM, Michal Privoznik wrote:
> When dynamic ownership is disabled we don't want to chown any files,
> not just local.

Is there more details on a scenario where this was causing an issue?
Either a BZ number or a set of steps to reproduce the problem.

> ---
>  src/qemu/qemu_driver.c |    5 ++---
>  1 files changed, 2 insertions(+), 3 deletions(-)
> 
> diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
> index 52b7dfd..968865f 100644
> --- a/src/qemu/qemu_driver.c
> +++ b/src/qemu/qemu_driver.c
> @@ -2163,11 +2163,10 @@ static int qemudDomainSaveFlag(struct qemud_driver *driver, virDomainPtr dom,
>          is_reg = true;
>      } else {
>          is_reg = !!S_ISREG(sb.st_mode);
> -        /* If the path is regular local file which exists
> +        /* If the path is regular file which exists
>           * already and dynamic_ownership is off, we don't
>           * want to change it's ownership, just open it as-is */
> -        if (is_reg && !driver->dynamicOwnership &&
> -            virStorageFileIsSharedFS(path) == 0) {
> +        if (is_reg && !driver->dynamicOwnership) {

The code change looks fine, but without a pointer to a reproducer case
proving that it is a bug fix, I'm not sure if this would have unintended
consequences.

-- 
Eric Blake   eblake at redhat.com    +1-801-349-2682
Libvirt virtualization library http://libvirt.org

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