On Thu, Jan 30, 2014 at 10:45:26PM -0700, Ross Zwisler wrote:
> On Fri, 31 Jan 2014, Dave Chinner wrote:
> > The read/write path is broken, Willy. We can't map arbitrary byte
> > ranges to the DIO subsystem. I'm now certain that the data
> > corruptions I'm seeing are in sub-sector regions from
On Thu, Jan 30, 2014 at 10:45:26PM -0700, Ross Zwisler wrote:
On Fri, 31 Jan 2014, Dave Chinner wrote:
The read/write path is broken, Willy. We can't map arbitrary byte
ranges to the DIO subsystem. I'm now certain that the data
corruptions I'm seeing are in sub-sector regions from unaligned
On Fri, 31 Jan 2014, Dave Chinner wrote:
> The read/write path is broken, Willy. We can't map arbitrary byte
> ranges to the DIO subsystem. I'm now certain that the data
> corruptions I'm seeing are in sub-sector regions from unaligned IOs
> from userspace. We still need to use the buffered IO
On Thu, Jan 30, 2014 at 08:25:37PM +1100, Dave Chinner wrote:
> On Thu, Jan 30, 2014 at 05:42:30PM +1100, Dave Chinner wrote:
> > On Wed, Jan 15, 2014 at 08:24:18PM -0500, Matthew Wilcox wrote:
> > > This series of patches add support for XIP to ext4. Unfortunately,
> > > it turns out to be
On Thu, Jan 30, 2014 at 05:42:30PM +1100, Dave Chinner wrote:
> On Wed, Jan 15, 2014 at 08:24:18PM -0500, Matthew Wilcox wrote:
> > This series of patches add support for XIP to ext4. Unfortunately,
> > it turns out to be necessary to rewrite the existing XIP support code
> > first due to races
On Thu, Jan 30, 2014 at 05:42:30PM +1100, Dave Chinner wrote:
On Wed, Jan 15, 2014 at 08:24:18PM -0500, Matthew Wilcox wrote:
This series of patches add support for XIP to ext4. Unfortunately,
it turns out to be necessary to rewrite the existing XIP support code
first due to races that are
On Thu, Jan 30, 2014 at 08:25:37PM +1100, Dave Chinner wrote:
On Thu, Jan 30, 2014 at 05:42:30PM +1100, Dave Chinner wrote:
On Wed, Jan 15, 2014 at 08:24:18PM -0500, Matthew Wilcox wrote:
This series of patches add support for XIP to ext4. Unfortunately,
it turns out to be necessary to
On Fri, 31 Jan 2014, Dave Chinner wrote:
The read/write path is broken, Willy. We can't map arbitrary byte
ranges to the DIO subsystem. I'm now certain that the data
corruptions I'm seeing are in sub-sector regions from unaligned IOs
from userspace. We still need to use the buffered IO path
On Wed, Jan 15, 2014 at 08:24:18PM -0500, Matthew Wilcox wrote:
> This series of patches add support for XIP to ext4. Unfortunately,
> it turns out to be necessary to rewrite the existing XIP support code
> first due to races that are unfixable in the current design.
>
> Since v4 of this
On Wed, Jan 15, 2014 at 08:24:18PM -0500, Matthew Wilcox wrote:
This series of patches add support for XIP to ext4. Unfortunately,
it turns out to be necessary to rewrite the existing XIP support code
first due to races that are unfixable in the current design.
Since v4 of this patchset,
On Thu, Jan 23, 2014 at 12:12:43PM +, Wilcox, Matthew R wrote:
> Are you hitting the same problems with ext4 fsck that we did? Version 1.42.8
> reports spurious corruption. From the 1.42.9 changelog:
>
> * Fixed a regression introduced in 1.42.8 which would cause e2fsck to
>
On Thu, Jan 23, 2014 at 12:12:43PM +, Wilcox, Matthew R wrote:
Are you hitting the same problems with ext4 fsck that we did? Version 1.42.8
reports spurious corruption. From the 1.42.9 changelog:
* Fixed a regression introduced in 1.42.8 which would cause e2fsck to
erroneously
.
From: Dave Chinner [da...@fromorbit.com]
Sent: January 23, 2014 1:01 AM
To: Wilcox, Matthew R
Cc: linux-kernel@vger.kernel.org; linux-fsde...@vger.kernel.org;
linux...@kvack.org; linux-e...@vger.kernel.org
Subject: Re: [PATCH v5 00/22] Rewrite XIP code and add XIP support
On Wed, Jan 15, 2014 at 08:24:18PM -0500, Matthew Wilcox wrote:
> This series of patches add support for XIP to ext4. Unfortunately,
> it turns out to be necessary to rewrite the existing XIP support code
> first due to races that are unfixable in the current design.
>
> Since v4 of this
On Wed, Jan 15, 2014 at 08:24:18PM -0500, Matthew Wilcox wrote:
This series of patches add support for XIP to ext4. Unfortunately,
it turns out to be necessary to rewrite the existing XIP support code
first due to races that are unfixable in the current design.
Since v4 of this patchset,
.
From: Dave Chinner [da...@fromorbit.com]
Sent: January 23, 2014 1:01 AM
To: Wilcox, Matthew R
Cc: linux-kernel@vger.kernel.org; linux-fsde...@vger.kernel.org;
linux...@kvack.org; linux-e...@vger.kernel.org
Subject: Re: [PATCH v5 00/22] Rewrite XIP code and add XIP support
On Thu, Jan 23, 2014 at 06:48:25PM +1100, Dave Chinner wrote:
> On Wed, Jan 15, 2014 at 08:24:18PM -0500, Matthew Wilcox wrote:
> > This series of patches add support for XIP to ext4. Unfortunately,
> > it turns out to be necessary to rewrite the existing XIP support code
> > first due to races
On Wed, Jan 15, 2014 at 08:24:18PM -0500, Matthew Wilcox wrote:
> This series of patches add support for XIP to ext4. Unfortunately,
> it turns out to be necessary to rewrite the existing XIP support code
> first due to races that are unfixable in the current design.
>
> Since v4 of this
On Wed, Jan 15, 2014 at 08:24:18PM -0500, Matthew Wilcox wrote:
This series of patches add support for XIP to ext4. Unfortunately,
it turns out to be necessary to rewrite the existing XIP support code
first due to races that are unfixable in the current design.
Since v4 of this patchset,
On Thu, Jan 23, 2014 at 06:48:25PM +1100, Dave Chinner wrote:
On Wed, Jan 15, 2014 at 08:24:18PM -0500, Matthew Wilcox wrote:
This series of patches add support for XIP to ext4. Unfortunately,
it turns out to be necessary to rewrite the existing XIP support code
first due to races that are
This series of patches add support for XIP to ext4. Unfortunately,
it turns out to be necessary to rewrite the existing XIP support code
first due to races that are unfixable in the current design.
Since v4 of this patchset, I've improved the documentation, fixed a
couple of warnings that a
This series of patches add support for XIP to ext4. Unfortunately,
it turns out to be necessary to rewrite the existing XIP support code
first due to races that are unfixable in the current design.
Since v4 of this patchset, I've improved the documentation, fixed a
couple of warnings that a
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