RE: removable media revalidation - udev vs. devfs or static /dev

[Ling, Xiaofeng]

> 
> On Wed, Jan 07, 2004 at 10:57:00AM -0800, Greg KH wrote:
 to create  16 partitions for every block device, if they need them or not.
> 
> 	Um, adding all 16 partitions for a block device that 
> has 5 defined is opposite of the intention of udev, no?  
> While I'd prefer the partition code in-kernel provide hotplug 
> events for each partition, if it is instead scanned by udev, 
> udev should indeed scan the partition table.  Remember, udev 
> should be able to give the appropriate system-defined names 
> for the partition, not just 'sda1'.
> 
> Joel
  I think current kernel do provide hotplug events for each partition, the
key problem is as Linus said, the most hardware will not give a event when
media changes.  So I just use a stupid way(just like "use a big button"),
pull out first and then plug in the flashdriver when changing the media 
or inserting a media to an empty driver. Then udev can remove the old 
node for and create new node for new media. 
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