On Fri, Apr 28, 2006 at 05:01:32AM +0000, [EMAIL PROTECTED] wrote:
> Hi,
>
> I have question.
>
> I have written a Skelton driver for Mass-Storage device (init,exit, probe,
> disconnect,release,and open). When I tried to test (by open ("/dev/sda5",
> read-only)) my Skelton driver by writing an application, i failed to open.
> I noticed that I have to mount the memory stick after doing insmod
> my_driver.ko.
Yes, that's the way that block devices work.
> my questions are...
Our first one is, why write another mass-storage driver when the kernel
already has 2?
> 1) Do I have to mount the stick like "mount -t vfat /dev/sda5 /mnt/storage"
> before doing open in the application?
You don't ever call "open" on a block device when dealing with a file
system.
> 2) If I mount with the above mentioned command, from my test application
> can I able to access the device with the open call?
No.
> 3) Otherwise do I have to write any piece of code in the driver itself for
> mounting?
You just have to use the standard block driver or scsi interface. You
are doing that, right?
good luck,
greg k-h
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