Re: porting howto for 2.5?

From: Randy.Dunlap (
Date: Tue Dec 11 2001 - 18:57:53 EST

On Sat, 8 Dec 2001, Peter T. Breuer wrote:

| OK, I'm beat for the night.
| io_request_lock disappeared. OK, so apparently I'm now supposed
| to use the queue lock.
| req->cmd is now an array. OK, so I really wanted the direction of
| the req, so I used rq_data_dir, which looks at the req->flags.
| But what are the flags for? I need space on a req to hold a
| "sequence number". Doesn't matter if it wraps. Just has to be
| valid for 10s. What is the cmd array an array OF?
| buffer heads have gone! Now there are "bio"s. Boo hoo .. just
| when I was really getting good with buffer_head. How do I
| copy stuff to/from user space from a bio!? It seems to contain
| bio_vecs.
| Is there a 2.4-2.5 porting howto beginning to be developed somewhere?
| Please?
| How can one man do such damage in just one version increment :-)?

Indeed. 8;}

For a start, see "".

If anyone has additions, corrections, comments, etc., please
send them.


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