lkml.org 
[lkml]   [1999]   [Mar]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
Date
SubjectRe: disk head scheduling
Hi,

On Thu, 25 Mar 1999 22:06:45 +0100 (MET), Gerard Roudier
<groudier@club-internet.fr> said:

> The plugging will probably get not enough if we ever want to ensure some
> ordering of actual IOs to be guaranteed to upper layers.

Plugging was never supposed to do that: it was there only to let us
coalesce multiple adjacent IO requests being generated at the same time
by the kernel (for example, the file readahead code or the write-back
thread).

--Stephen

-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.rutgers.edu
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:51    [from the cache]
©2003-2011 Jasper Spaans