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Re: [Qemu-devel] [PATCH v2 2/2] block: move the bdrv_dev_change_media_cb
From: |
Luiz Capitulino |
Subject: |
Re: [Qemu-devel] [PATCH v2 2/2] block: move the bdrv_dev_change_media_cb() |
Date: |
Mon, 17 Jun 2013 09:32:02 -0400 |
On Mon, 17 Jun 2013 15:25:24 +0200
Pavel Hrdina <address@hidden> wrote:
> On 17.6.2013 15:22, Luiz Capitulino wrote:
> > On Mon, 17 Jun 2013 14:33:10 +0200
> > Stefan Hajnoczi <address@hidden> wrote:
> >
> >> On Mon, Jun 17, 2013 at 11:46:19AM +0200, Pavel Hrdina wrote:
> >>> On 5.6.2013 15:23, Stefan Hajnoczi wrote:
> >>>> On Wed, May 29, 2013 at 06:18:19PM +0200, Pavel Hrdina wrote:
> >>>>> @@ -1071,14 +1072,18 @@ static void
> >>>>> qmp_bdrv_open_encrypted(BlockDriverState *bs, const char *filename,
> >>>>> if (password) {
> >>>>> if (bdrv_set_key(bs, password) < 0) {
> >>>>> error_set(errp, QERR_INVALID_PASSWORD);
> >>>>> + return;
> >>>>> }
> >>>>> } else {
> >>>>> error_set(errp, QERR_DEVICE_ENCRYPTED,
> >>>>> bdrv_get_device_name(bs),
> >>>>> bdrv_get_encrypted_filename(bs));
> >>>>> + return;
> >>>>> }
> >>>>> } else if (password) {
> >>>>> error_set(errp, QERR_DEVICE_NOT_ENCRYPTED,
> >>>>> bdrv_get_device_name(bs));
> >>>>> }
> >>>>> +
> >>>>> + bdrv_dev_change_media_cb(bs, true);
> >>>>> }
> >>>>
> >>>> Calling bdrv_dev_change_media_cb() after raising
> >>>> QERR_DEVICE_NOT_ENCRYPTED is intentional? It might warrant a comment.
> >>>>
> >>>
> >>> Sorry for my late answer.
> >>>
> >>> It's just a warning, that you used a password for a block device that
> >>> doesn't require it. The device is opened successfully and should be
> >>> handled correctly (call the bdrv_dev_change_media_cb() ).
> >>
> >> Yep, IMO it's worth a comment that this isn't an "error" just a
> >> "warning".
> >
> > Actually, you can't have such a warning in QMP. You either fail or you
> > succeed. We should just do what the current code does.
> >
>
> This is the same logic as the old one. The device is loaded but the
> error is emitted.
That's a bug if the operation succeeded.
- Re: [Qemu-devel] [PATCH v2 2/2] block: move the bdrv_dev_change_media_cb(), Stefan Hajnoczi, 2013/06/05
- Re: [Qemu-devel] [PATCH v2 2/2] block: move the bdrv_dev_change_media_cb(), Pavel Hrdina, 2013/06/17
- Re: [Qemu-devel] [PATCH v2 2/2] block: move the bdrv_dev_change_media_cb(), Stefan Hajnoczi, 2013/06/17
- Re: [Qemu-devel] [PATCH v2 2/2] block: move the bdrv_dev_change_media_cb(), Luiz Capitulino, 2013/06/17
- Re: [Qemu-devel] [PATCH v2 2/2] block: move the bdrv_dev_change_media_cb(), Pavel Hrdina, 2013/06/17
- Re: [Qemu-devel] [PATCH v2 2/2] block: move the bdrv_dev_change_media_cb(),
Luiz Capitulino <=
- Re: [Qemu-devel] [PATCH v2 2/2] block: move the bdrv_dev_change_media_cb(), Pavel Hrdina, 2013/06/17
- Re: [Qemu-devel] [PATCH v2 2/2] block: move the bdrv_dev_change_media_cb(), Luiz Capitulino, 2013/06/17
- Re: [Qemu-devel] [PATCH v2 2/2] block: move the bdrv_dev_change_media_cb(), Kevin Wolf, 2013/06/17
- Re: [Qemu-devel] [PATCH v2 2/2] block: move the bdrv_dev_change_media_cb(), Luiz Capitulino, 2013/06/17
- Re: [Qemu-devel] [PATCH v2 2/2] block: move the bdrv_dev_change_media_cb(), Kevin Wolf, 2013/06/17
- Re: [Qemu-devel] [PATCH v2 2/2] block: move the bdrv_dev_change_media_cb(), Luiz Capitulino, 2013/06/17
- Re: [Qemu-devel] [PATCH v2 2/2] block: move the bdrv_dev_change_media_cb(), Kevin Wolf, 2013/06/17
- Re: [Qemu-devel] [PATCH v2 2/2] block: move the bdrv_dev_change_media_cb(), Pavel Hrdina, 2013/06/18