lkml.org 
[lkml]   [2007]   [Feb]   [19]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
From
SubjectRe: [PATCH] aio: propogate post-EIOCBQUEUED errors to completion event
Date
>> I would argue that one common cause of the EIO is userland
>> error (mmap concurrent with O_DIRECT), and EIO is the correct answer.
>
> I disagree. That means that using the pagecache to synchronize
> things like
> the proposed online defragmentation will occasionally make O_DIRECT
> users
> fail.

Well, only if the pages couldn't be invalidated. Arguably ext3
should be trying a lot harder to invalidate before giving up and
returning failure from invalidate_page().

Hopefully this all goes away in the long term with Chris'
"placeholder" work that stops insertions into the radix tree while
dio ops are in flight.

- z
-
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: 2007-02-20 01:31    [W:0.121 / U:0.064 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site