Re: [Qemu-devel] Re: [PATCH 3/3] raw-posix: Re-open host CD-ROM after media change

[Kevin Wolf <kwolf@redhat.com>]

Am 23.03.2011 21:50, schrieb Stefan Hajnoczi:
> On Wed, Mar 23, 2011 at 8:27 PM, Juan Quintela <quintela@redhat.com> wrote:
>> Stefan Hajnoczi <stefanha@linux.vnet.ibm.com> wrote:
>>> +
>>> +    if (s->fd == -1) {
>>> +        s->fd = qemu_open(bs->filename, s->open_flags, 0644);
>>
>> Everything else on that file uses plain "open" not "qemu_open".
>> diference is basically that qemu_open() adds flag O_CLOEXEC.
>>
>> I don't know if this one should be vanilla open or the other ones
>> qemu_open().
>>
>> What do you think?
> 
> raw_open_common() uses qemu_open().  That's why I used it.

And I think it's correct. There's no reason not to set O_CLOEXEC here.
Maybe some of the open() users need to be fixed.

>>> +        if (s->fd < 0) {
>>> +            return 0;
>>> +        }
>>> +    }
>>> +
>>> +    ret = (ioctl(s->fd, CDROM_DRIVE_STATUS, CDSL_CURRENT) == CDS_DISC_OK);
>>
>> parens are not needed around ==.
> 
> Yes, if you want I'll remove them.  I just did it for readability.

I like them.

Kevin