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block: Add qdev ID to DEVICE_TRAY_MOVED

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The event currently only contains the BlockBackend name. However, with
anonymous BlockBackends, this is always the empty string. Add the qdev
ID (or if none was given, the QOM path) so that the user can still see
which device caused the event.

Event generation has to be moved from bdrv_eject() to the BlockBackend
because the BDS doesn't know the attached device, but that's easy
because blk_eject() is the only user of it.

Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Max Reitz <mreitz@redhat.com>
This commit is contained in:
Kevin Wolf 2016-09-29 18:30:53 +02:00
parent bbc8ea98bc
commit 2d76e724cf
5 changed files with 46 additions and 11 deletions
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7
block.c
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@ -3360,17 +3360,10 @@ int bdrv_media_changed(BlockDriverState *bs)
void bdrv_eject(BlockDriverState *bs, bool eject_flag)
{
BlockDriver *drv = bs->drv;
const char *device_name;
if (drv && drv->bdrv_eject) {
drv->bdrv_eject(bs, eject_flag);
}
device_name = bdrv_get_device_name(bs);
if (device_name[0] != '\0') {
qapi_event_send_device_tray_moved(device_name,
eject_flag, &error_abort);
}
}
/**