lkml.org 
[lkml]   [2002]   [Jan]   [3]   [last100]   RSS Feed
Views: [more markup]  [less markup]  [headers]  [forward] 
 
Messages in this thread
/
DateThu, 03 Jan 2002 16:57:50 -0600
FromTom Gall <>
SubjectRe: The CURRENT macro
Michael Zhu wrote:
> 
> In Alessandro Rubini's book Linux Device Driver(Second
> Edition), Chatper 12, he said that "By accessing the
> fields in the request structure, usually by way of
> CURRENT" and "CURRENT is just a pointer into
> blk_dev[MAJOR_NR].request_queue". I know CURRENT is
> just a macro. Where can I find the definition of this
> macro?
> I just don't know how to get the struct request from
> the request_queue(a request_queue_t struct). CURRENT
> points to which field in the
> blk_dev[MAJOR_NR].request_queue? Thank you very much.

Heh!  Ignore that last one ...

Wrong current... you want CURRENT ... duh!  look in include/linux/blk.h

grep is your friend.

Regards,

Tom
-- 
Tom Gall - [embedded] [PPC64 | PPC32] Code Monkey
Peace, Love &                  "Where's the ka-boom? There was
Linux Technology Center         supposed to be an earth
http://www.ibm.com/linux/ltc/   shattering ka-boom!"
(w) tom_gall@vnet.ibm.com       -- Marvin Martian
(w) 507-253-4558
(h) tgall@rochcivictheatre.org
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/
\
 
 \ /
  Last update: 2005-03-22 12:15    [from the cache]
©2003-2008