hi Greg
thanks for the concern .
but actually my question was very simple ..
it wsnt so complex.
it was just that i was just writing for practice sake
a sample block device driver example in LDD
there they ahve given all this description abt sector size in ch 16
which confued me totally .
so i t
On Wed, Feb 18, 2009 at 10:23 AM, Greg Freemyer wrote:
> On Wed, Feb 18, 2009 at 1:06 AM, nidhi mittal wrote:
>> i m sorry but can someone give a direct clarification
>> i m unable to get my answer ...
>> its going in different directions ...but not able to get me through my doubt
>> ...
>>
On Wed, Feb 18, 2009 at 1:06 AM, nidhi mittal wrote:
> i m sorry but can someone give a direct clarification
> i m unable to get my answer ...
> its going in different directions ...but not able to get me through my doubt
> ...
> i m sorry may be my understanding is lacking somewhere ...
>
N
i m sorry but can someone give a direct clarification
i m unable to get my answer ...
its going in different directions ...but not able to get me through my doubt
...
i m sorry may be my understanding is lacking somewhere ...
On Mon, Feb 2, 2009 at 9:01 PM, Greg Freemyer wrote:
> On Mon, Feb
On Mon, Feb 2, 2009 at 3:42 AM, nidhi mittal wrote:
> sorry but my question it seems wsnt clear ...
> as my ques was
>
> suppose i have this function
>
> blk_queue_hardsect_size(
> request_queue_t *queue , unsigned short max );
> or some other function takes sector as parameter
> there in any of t
sorry but my question it seems wsnt clear ...
as my ques was
suppose i have this function
blk_queue_hardsect_size(request_queue_t *queue , unsigned short max );
or some other function takes sector as parameter
there in any of these functions
how do i decide that whether i should send number sect
On Sun, Feb 1, 2009 at 4:50 AM, nidhi mittal wrote:
> hello
> i was writing my initial block device driver following LDD
> but was totally confused on KERNEL SECTOR SIZE and hardware sector size
> issue they discussed in that .
>
> they write sth like
> if sector number passed between kernel and b
Hi Nidhi,
> i wanted to know where actually is block layer and where is driver
>where are they separated
As far as I know, the differentiation between file system
block size and device block size lies in the generic block layer.
Generic block layer knows all about, sectors, blocks, segments and
p
Also, see this thread and the reply from Greg.
http://mail.nl.linux.org/kernelnewbies/2009-01/msg00241.html
Ccing Greg as well.
HTH,
On Sun, Feb 1, 2009 at 3:20 PM, nidhi mittal wrote:
> hello
> i was writing my initial block device driver following LDD
> but was totally confused on KERNEL SE
Hi Nidhi,
On Sun, Feb 1, 2009 at 3:20 PM, nidhi mittal wrote:
> hello
> i was writing my initial block device driver following LDD
> but was totally confused on KERNEL SECTOR SIZE and hardware sector size
> issue they discussed in that .
>
> they write sth like
> if sector number passed between
hello
i was writing my initial block device driver following LDD
but was totally confused on KERNEL SECTOR SIZE and hardware sector size
issue they discussed in that .
they write sth like
if sector number passed between kernel and block layer it should be
something and
if its passed between blockl
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