Usb block driver to store file

[Greg KH]

On Wed, Jun 25, 2014 at 12:12:57PM +0530, ravi ranjan Mishra wrote:
> HI,
> 
> i want to transfer a file and store in flash of usb from my driver.

Then use the built-in kernel driver that dos this.

> i have already done usb driver register with char
> 
> but i want to store file from my driver.
> 
> how can possible pls help me

USB storage is one of the most complex drivers out there, it's a whole
scsi stack there.  Use the in-kernel driver, don't write your own for no
reason.

greg k-h