Re: [Qemu-devel] [Qemu-block] [PATCH] iotests: Launch qemu-nbd with -e 42

[Max Reitz]

On 26.04.2017 16:18, Eric Blake wrote:
> On 04/26/2017 09:14 AM, Max Reitz wrote:
>> There is no reason for the qemu-nbd server used for tests not to accept
>> an arbitrary number of clients. In fact, test 181 will require it to
>> accept two clients at the same time (and thus it fails before this
>> patch).
>>
>> This patch updates common.rc to launch qemu-nbd with -e 42 which should
>> be enough for all of our current and future tests.
> 
> Perfect place for you to inject some jibe about "life, the universe, and
> everything" ;)

Everybody knows anyway. ;-)

>>
>> Signed-off-by: Max Reitz <address@hidden>
>> ---
>>  tests/qemu-iotests/common.rc | 4 +++-
>>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> 
>>
>> diff --git a/tests/qemu-iotests/common.rc b/tests/qemu-iotests/common.rc
>> index 7d4781d4ad..31b888d4e9 100644
>> --- a/tests/qemu-iotests/common.rc
>> +++ b/tests/qemu-iotests/common.rc
>> @@ -168,7 +168,9 @@ _make_test_img()
>>  
>>      # Start an NBD server on the image file, which is what we'll be talking 
>> to
>>      if [ $IMGPROTO = "nbd" ]; then
>> -        eval "$QEMU_NBD -v -t -b 127.0.0.1 -p 10810 -f $IMGFMT  
>> $TEST_IMG_FILE >/dev/null &"
>> +        # Pass a sufficiently high number to -e that should be enough for 
>> all
>> +        # tests
>> +        eval "$QEMU_NBD -v -t -b 127.0.0.1 -p 10810 -f $IMGFMT -e 42  
>> $TEST_IMG_FILE >/dev/null &"
> 
> Worth dropping the double-space before $TEST_IMG_FILE while touching this?

I wasn't sure myself. It somehow is a nice separation between the option
arguments and the image file name so I thought that maybe it was
intended and was afraid to remove it... Well, and it doesn't really hurt.

Why don't we have CODING_STYLE for shell scripts? :-)

> Reviewed-by: Eric Blake <address@hidden>

Thanks!

Max

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