Re: set blksize of block device

[Lei Yang]

Or in other words, is there generic routines for block devices such that 
we could:

get (set) block size of a block device;
read an existing block (e.g. block 4);
write an existing block (e.g. block 5);

Please help!!!!

TIA
Lei


Lei Yang wrote:

> If nobody could answer this question, what about another one? Is there 
> a system call or a kernel interface that would allow me to write a 
> block of data to block 1 of a certain block device?
>
> Thanks for your reply in advance!
>
> Lei
>
> Lei Yang wrote:
>
> > Please cc me if you have answers to this, I am not on the list. 
> > Thanks a lot!
> >
> > Lei Yang wrote:
> >
> > > Hello,
> > >
> > > I am learning block device drivers and have a newbie question. Given 
> > > a block device, is there anyway that I could set its block size? For 
> > > example, I want to write a block device driver that will work on an 
> > > existing block device.  In this driver, I want block size smaller. 
> > > (The idea looks confusing but I could explain if anybody is 
> > > interested :- )  However,  typically the block size is 1KB, now I 
> > > want to set it to 512 or 256.  Can I do it?
> > >
> > > TIA
> > > Lei
>
>
>
> --
> Kernelnewbies: Help each other learn about the Linux kernel.
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