lkml.org 
[lkml]   [2002]   [Jan]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] PAGE_SIZE IO for RAW (RAW VARY)
Date
Alan,

>
> > If it is not reasonable to fix all the brokern drivers,
> > how about making this configurable (to do variable size IO) ?
> > Do you favour this solution ?
>
> We have hardware that requires aligned power of two for writes (ie 4K on
> 4K boundaries only). The 3ware is one example Jeff Merkey found
>

emm.. come to think of it, I can easily (2 line) change my patch to
do 512 byte buffer heads till we get PAGE alignment and then start
issuing 4K IO buffer heads. What do you think ? will this work ?

And also, do you know any low level drivers Ben mentioning:

> low level drivers, some of which assume that
> all buffer heads within a request have the same block size.

Is it still true for 2.4 ?

Regards,
Badari
-
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 13:15    [W:0.110 / U:3.488 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site