Re: [Qemu-devel] [PATCH v2 2/3] monitor: Enable adding an inherited fd to an fd set

[Corey Bryant <coreyb@linux.vnet.ibm.com>]

On 10/10/2012 06:01 PM, Eric Blake wrote:
> On 10/10/2012 08:20 AM, Corey Bryant wrote:
>> qmp_add_fd() gets an fd that was received over a socket with
>> SCM_RIGHTS and adds it to an fd set.  This patch adds support
>> that will enable adding an fd that was inherited on the
>> command line to an fd set.
>>
>> This patch also prevents removal of an fd from an fd set during
>> initialization.  This allows the fd to remain in the fd set after
>> probing of the image file.
>
> You're mixing code motion and semantic change in one patch (keyword
> "also" in your commit message; should the semantic change be moved to a
> separate patch (possibly squashed into 1/3)?
>

It should probably be another patch.  I'll look into this for v3.

>>
>> Signed-off-by: Corey Bryant <coreyb@linux.vnet.ibm.com>
>> ---
>
>>
>> -    if (has_fdset_id) {
>> -        QLIST_FOREACH(mon_fdset, &mon_fdsets, next) {
>> -            if (mon_fdset->id == fdset_id) {
>> -                break;
>> -            }
>> -        }
>> -    }
>
> Since you maintain mon_fdsets in sorted id order, should you optimize
> this loop to abort the QLIST_FOREACH early if fdset_id is less than
> mon_fdset->id?  [I only noticed this because of code motion, so it is a
> pre-existing condition and therefore a separate patch, or another thing
> to squash into 1/3]
>

Sure that makes sense to optimize this.

-- 
Regards,
Corey Bryant