letting glabel recognise a media change
avg at icyb.net.ua
Thu Sep 30 11:22:29 UTC 2010
on 30/09/2010 01:28 Matthew Jacob said the following:
> On 9/29/2010 2:45 PM, Andriy Gapon wrote:
>> on 30/09/2010 00:12 Alexander Best said the following:
>>> hi there,
>>> i wanted to ask if it would be possible to asjust glabel so that e.g. inserting
>>> a new media into a dvd-drive gets recognised and glabel displays the lablel
>>> right away.
>> Yes, of course, as soon as we have in kernel a programmatic way to know that
>> media as changed.
>> We don't have one right now...
> What announcement API would you like to add?
Not sure what kind of API you mean and if anything really needs to be added.
I think you already can easily trigger GEOM re-tasting.
> If something like that was in place, I assure you that things would start to use
> it very quickly.
I am not sure about this.
Because, e.g. I don't see an easy way to know that media is changed in scsi_cd
driver. That is, without polling. I don't consider polling to be an easy way for
a number of reasons.
More information about the freebsd-current