* About dd & make_request
@ 2003-03-07 14:05 Subodh S
2003-03-07 15:08 ` Jens Axboe
0 siblings, 1 reply; 2+ messages in thread
From: Subodh S @ 2003-03-07 14:05 UTC (permalink / raw)
To: linux-kernel; +Cc: linux-scsi
Hi,
When run
dd if=/dev/mydevice of=/dev/null count=10
why does my make_request function get called only five times ??
Thanks and Regards,
Subodh
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^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: About dd & make_request
2003-03-07 14:05 About dd & make_request Subodh S
@ 2003-03-07 15:08 ` Jens Axboe
0 siblings, 0 replies; 2+ messages in thread
From: Jens Axboe @ 2003-03-07 15:08 UTC (permalink / raw)
To: Subodh S; +Cc: linux-kernel, linux-scsi
On Fri, Mar 07 2003, Subodh S wrote:
> Hi,
>
> When run
>
> dd if=/dev/mydevice of=/dev/null count=10
>
> why does my make_request function get called only five times ??
because you didn't change the block size, so you got 5 1024b (default)
buffers thrown at you?
--
Jens Axboe
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