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Re: [Qemu-devel] [PATCH 1/2] block: add dirty flag status to qemu-img
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [PATCH 1/2] block: add dirty flag status to qemu-img |
Date: |
Wed, 11 Jan 2012 15:47:32 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20111115 Thunderbird/8.0 |
Am 11.01.2012 15:35, schrieb Stefan Hajnoczi:
> On Sat, Dec 31, 2011 at 9:06 AM, Dong Xu Wang
> <address@hidden> wrote:
>> +int bdrv_is_dirty(BlockDriverState *bs)
>
> bool would be nicer instead of int. Traditionally we used int but C99
> has been around for a long time now and it's more appropriate.
>
>> diff --git a/qemu-img.c b/qemu-img.c
>> index 01cc0d3..a79c274 100644
>> --- a/qemu-img.c
>> +++ b/qemu-img.c
>> @@ -1153,6 +1153,9 @@ static int img_info(int argc, char **argv)
>> if (bdrv_is_encrypted(bs)) {
>> printf("encrypted: yes\n");
>> }
>> + if (bdrv_is_dirty(bs)) {
>> + printf("dirty,need check: yes\n");
>> + }
>
> I suggest avoiding the comma and just saying "needs check: yes\n".
In fact I would reverse the logic and make it something like "cleanly
shut down: no", it will better describe the situation when the VM is
still running. Same for the function names, "dirty" could mean anything.
Kevin