lkml.org 
[lkml]   [2011]   [Feb]   [23]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [RFC] block integrity: Fix write after checksum calculation problem
On Tue, Feb 22, 2011 at 11:45:44AM -0500, Martin K. Petersen wrote:
> Also, DIX is only the tip of the iceberg. Many other impending
> technologies feature checksums and require pages to be stable during I/O
> due to checksumming, encryption and so on.
>
> The VM is already trying to do the right thing. We just need the
> relevant filesystems to catch up.

ocfs2 handles stable metadata for its checksums when feeding
things to the journal. If we're doing pagecache-based I/O, is the
pagecache going to help here for data?

Joel

--

"Gone to plant a weeping willow
On the bank's green edge it will roll, roll, roll.
Sing a lulaby beside the waters.
Lovers come and go, the river roll, roll, rolls."

http://www.jlbec.org/
jlbec@evilplan.org


\
 
 \ /
  Last update: 2011-02-23 21:27    [W:1.748 / U:0.004 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site