lkml.org 
[lkml]   [1999]   [Oct]   [11]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [patch] [possible race in ext2] Re: how to write get_block?


On Mon, 11 Oct 1999, Stephen C. Tweedie wrote:

> Hi,
>
> On Sun, 10 Oct 1999 16:57:18 +0200 (CEST), Andrea Arcangeli
> <andrea@suse.de> said:
>
> > My point was that even being forced to do a lookup before creating
> > each empty buffer, will be still faster than 2.2.x as in 2.3.x the hash
> > will contain only metadata. Less elements means faster lookups.
>
> The _fast_ quick fix is to maintain a per-inode list of dirty buffers
> and to invalidate that list when we do a delete. This works for
> directories if we only support truncate back to zero --- it obviously
> gets things wrong if we allow partial truncates of directories (but why
> would anyone want to allow that?!)

AFFS. OTOH there we are dropping the known bh every time.


-
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 13:54    [W:0.139 / U:2.984 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site