lkml.org 
[lkml]   [2002]   [Aug]   [1]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: Linux v2.4.19-rc5
On Thu, Aug 01 2002, Andrew Morton wrote:
> Jens Axboe wrote:
> >
> > ...
> > > Anyway, lets wait for the numbers.
> >
> > It just 'feels' like the sort of change that might have odd side
> > effects.
>
> It's almost impossible to get READA to do anything. For example, in
> current 2.5, if a READA attempt is actually aborted, end_buffer_io_sync
> reports a "buffer I/O error". Every time. And nobody has reported this.

Ahem, I've actually seen that happen :-). But maybe a total of 20 times
or so.

> It _is_ possible to hit this in 2.5, because of ext2_preread_inode().
>
> Probably, also it's possible to hit it in 2.4 with hundreds of processes
> all issuing ext3 directory readahead. But it's pretty remote.

Alright, I'm happy then.

--
Jens Axboe

-
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 13:27    [W:0.139 / U:0.568 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site