[yocto] How do I tell when a USB disk is ready?

[Chris Tapp]

On 25 Oct 2011, at 09:45, Gary Thomas wrote:

> On 2011-10-24 18:10, Chris Tapp wrote:
>> I've got a minimal root file system that will be used to install a  
>> poky image from a USB stick.
>>
>> The init script this uses mounts sda1 (from where it's just  
>> booted), but sda1 isn't ready when it tries to do this - I can see  
>> the bus enumeration messages on the console after the
>> mount fails.
>>
>> How can my script test to see when the device is ready?
>
> You could try looking for /dev/sda1 in /proc/partitions like in
> attached script.

Thanks Gary, that's just what's needed :-)

Chris