Re: [Qemu-devel] [PATCH v4] block/raw-posix.c: Fixes raw_getlength() on Mac OS X so that it reports the correct length of a real CD

[Stefan Hajnoczi <stefanha@gmail.com>]

On Tue, Jan 6, 2015 at 3:04 PM, Programmingkid
<programmingkidx@gmail.com> wrote:
>
> On Jan 6, 2015, at 9:02 AM, Stefan Hajnoczi wrote:
>
>> On Fri, Jan 02, 2015 at 04:44:38PM -0500, Programmingkid wrote:
>>> Removes redundant ret variable and renames sectorSize variable to meet QEMU coding standards.
>>
>> This is a changelog item for v4 of this patch.  Changelogs should go
>> below the '---' line so they are not merged into git history.
>>
>> The rationale is that when a patch is merged into git, the changelog
>> describing patch revisions that were posted on the mailing list is not
>> relevant (we only see the final patch in git, not the revisions from the
>> mailing list).
>>
>> Patches usually look like this:
>>
>> Subject: block/raw-posix: brief summary
>>
>> A longer description of the problem, maybe a command-line to reproduce a
>> bug, and some rationale for this code change.
>>
>> Signed-off-by: Me <my@email.com>
>> ---
>> v2:
>> * Fix int -> size_t for memory lengths [Requested by Bob]
>>
>> The changelog at the bottom is useful to code reviewers but won't get
>> merged in the git history.
>>
>> Anyway, thanks for this patch.  I have dropped this changelog line and
>> merged it!
>>
>>>
>>> Signed-off-by: John Arbuckle <programmingkidx@gmail.com>
>>>
>>> ---
>>> block/raw-posix.c |   18 +++++++++++++++++-
>>> configure         |    2 +-
>>> 2 files changed, 18 insertions(+), 2 deletions(-)
>>
>> Thanks, applied to my block tree:
>> https://github.com/stefanha/qemu/commits/block
>>
>> Stefan
>
> Thank you very much for accepting my patch.

Hi,
Unfortunately I had to drop this patch because it breaks -drive
file=/dev/null,...

/dev/null is a character device and we should not return -ENOTSUP when
the CD-ROM ioctls fail.

Please let it fail gracefully when the device is not a CD-ROM.

Stefan