On Mon, Sep 10, 2012 at 04:35:02PM -0700, Tejun Heo wrote:
> debug. Would it be difficult to convert dm drivers to collect size
> requirements and use front-pad for all per-bio data?
I can't give a quick answer because a single bio may require a variable
number (depending on the bio content) of
Hello, Alasdair.
On Tue, Sep 11, 2012 at 12:09:17AM +0100, Alasdair G Kergon wrote:
> On Mon, Sep 10, 2012 at 04:01:01PM -0700, Tejun Heo wrote:
> > IIUC, Kent posted a patch which converts all of them to use front-pad
>
> The only patch I saw posted here only handles one of the easier cases so
On Mon, Sep 10, 2012 at 04:01:01PM -0700, Tejun Heo wrote:
> IIUC, Kent posted a patch which converts all of them to use front-pad
The only patch I saw posted here only handles one of the easier cases so far.
The others are a bit trickier and probably involve a decision about which way to
change
On Mon, Sep 10, 2012 at 04:01:01PM -0700, Tejun Heo wrote:
> Hello,
>
> On Mon, Sep 10, 2012 at 3:50 PM, Alasdair G Kergon wrote:
> >> > Note that this doesn't do anything for allocation from other
> >> > mempools.
> >
> > Note that dm has several cases of this, so this patch should not be
On Mon, Sep 10, 2012 at 11:50:57PM +0100, Alasdair G Kergon wrote:
> On Mon, Sep 10, 2012 at 03:09:10PM -0700, Tejun Heo wrote:
> > On Mon, Sep 10, 2012 at 02:56:33PM -0700, Kent Overstreet wrote:
> > > commit df7e63cbffa3065fcc4ba2b9a93418d7c7312243
> > > Author: Kent Overstreet
> > > Date:
Hello,
On Mon, Sep 10, 2012 at 3:50 PM, Alasdair G Kergon wrote:
>> > Note that this doesn't do anything for allocation from other mempools.
>
> Note that dm has several cases of this, so this patch should not be used with
> dm yet. Mikulas is studying those cases to see whether anything
On Mon, Sep 10, 2012 at 03:09:10PM -0700, Tejun Heo wrote:
> On Mon, Sep 10, 2012 at 02:56:33PM -0700, Kent Overstreet wrote:
> > commit df7e63cbffa3065fcc4ba2b9a93418d7c7312243
> > Author: Kent Overstreet
> > Date: Mon Sep 10 14:33:46 2012 -0700
> >
> > block: Avoid deadlocks with bio
On Mon, Sep 10, 2012 at 03:09:10PM -0700, Tejun Heo wrote:
On Mon, Sep 10, 2012 at 02:56:33PM -0700, Kent Overstreet wrote:
commit df7e63cbffa3065fcc4ba2b9a93418d7c7312243
Author: Kent Overstreet koverstr...@google.com
Date: Mon Sep 10 14:33:46 2012 -0700
block: Avoid deadlocks
Hello,
On Mon, Sep 10, 2012 at 3:50 PM, Alasdair G Kergon a...@redhat.com wrote:
Note that this doesn't do anything for allocation from other mempools.
Note that dm has several cases of this, so this patch should not be used with
dm yet. Mikulas is studying those cases to see whether
On Mon, Sep 10, 2012 at 11:50:57PM +0100, Alasdair G Kergon wrote:
On Mon, Sep 10, 2012 at 03:09:10PM -0700, Tejun Heo wrote:
On Mon, Sep 10, 2012 at 02:56:33PM -0700, Kent Overstreet wrote:
commit df7e63cbffa3065fcc4ba2b9a93418d7c7312243
Author: Kent Overstreet koverstr...@google.com
On Mon, Sep 10, 2012 at 04:01:01PM -0700, Tejun Heo wrote:
Hello,
On Mon, Sep 10, 2012 at 3:50 PM, Alasdair G Kergon a...@redhat.com wrote:
Note that this doesn't do anything for allocation from other
mempools.
Note that dm has several cases of this, so this patch should not be
On Mon, Sep 10, 2012 at 04:01:01PM -0700, Tejun Heo wrote:
IIUC, Kent posted a patch which converts all of them to use front-pad
The only patch I saw posted here only handles one of the easier cases so far.
The others are a bit trickier and probably involve a decision about which way to
change
Hello, Alasdair.
On Tue, Sep 11, 2012 at 12:09:17AM +0100, Alasdair G Kergon wrote:
On Mon, Sep 10, 2012 at 04:01:01PM -0700, Tejun Heo wrote:
IIUC, Kent posted a patch which converts all of them to use front-pad
The only patch I saw posted here only handles one of the easier cases so far.
On Mon, Sep 10, 2012 at 04:35:02PM -0700, Tejun Heo wrote:
debug. Would it be difficult to convert dm drivers to collect size
requirements and use front-pad for all per-bio data?
I can't give a quick answer because a single bio may require a variable
number (depending on the bio content) of
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