On 04/11/2011 11:31 AM, Stefan Hajnoczi wrote:
On Mon, Apr 11, 2011 at 10:37:32AM +0530, Amit Shah wrote:
> On (Fri) 08 Apr 2011 [12:33:27], Stefan Hajnoczi wrote:
> > The other concern I have about using O_EXCL is that we expose
> > ourselves to race conditions if there is ever a need to re
On Mon, Apr 11, 2011 at 10:37:32AM +0530, Amit Shah wrote:
> On (Fri) 08 Apr 2011 [12:33:27], Stefan Hajnoczi wrote:
> > The other concern I have about using O_EXCL is that we expose
> > ourselves to race conditions if there is ever a need to re-open the
> > device. When QEMU closes its file descr
On (Fri) 08 Apr 2011 [12:33:27], Stefan Hajnoczi wrote:
> Amit and I were discussing the pros and cons of using O_EXCL to open
> host CD-ROM devices on IRC but this discussion could benefit from more
> input.
>
> Linux block devices (like /dev/sr0 CD-ROMs) can be opened with O_EXCL
> and only one
