On Sun, May 01, 2016 at 08:19:44AM +1000, NeilBrown wrote:
> On Sat, Apr 30 2016, Dave Chinner wrote:
> > Indeed, blocking the superblock shrinker in reclaim is a key part of
> > balancing inode cache pressure in XFS. If the shrinker starts
> > hitting dirty inodes, it blocks on cleaning them,
Hi,
On Sun 01-05-16 07:55:31, NeilBrown wrote:
[...]
> One particular problem with your process-context idea is that it isn't
> inherited across threads.
> Steve Whitehouse's example in gfs shows how allocation dependencies can
> even cross into user space.
Hmm, I am still not sure I understand
On Sat, Apr 30 2016, Dave Chinner wrote:
> On Fri, Apr 29, 2016 at 03:35:42PM +1000, NeilBrown wrote:
>> On Tue, Apr 26 2016, Michal Hocko wrote:
>>
>> > Hi,
>> > we have discussed this topic at LSF/MM this year. There was a general
>> > interest in the scope GFP_NOFS allocation context among
On Fri, Apr 29, 2016 at 02:04:18PM +0200, Michal Hocko wrote:
> I would also like to revisit generic inode/dentry shrinker and see
> whether it could be more __GFP_FS friendly. As you say many FS might
> even not depend on some FS internal locks so pushing GFP_FS check down
> the layers might make
On Fri, Apr 29, 2016 at 03:35:42PM +1000, NeilBrown wrote:
> On Tue, Apr 26 2016, Michal Hocko wrote:
>
> > Hi,
> > we have discussed this topic at LSF/MM this year. There was a general
> > interest in the scope GFP_NOFS allocation context among some FS
> > developers. For those who are not aware
On Fri 29-04-16 15:35:42, NeilBrown wrote:
> On Tue, Apr 26 2016, Michal Hocko wrote:
>
> > Hi,
> > we have discussed this topic at LSF/MM this year. There was a general
> > interest in the scope GFP_NOFS allocation context among some FS
> > developers. For those who are not aware of the
Hi,
On 29/04/16 06:35, NeilBrown wrote:
On Tue, Apr 26 2016, Michal Hocko wrote:
Hi,
we have discussed this topic at LSF/MM this year. There was a general
interest in the scope GFP_NOFS allocation context among some FS
developers. For those who are not aware of the discussion or the issue
I
On Tue, Apr 26 2016, Michal Hocko wrote:
> Hi,
> we have discussed this topic at LSF/MM this year. There was a general
> interest in the scope GFP_NOFS allocation context among some FS
> developers. For those who are not aware of the discussion or the issue
> I am trying to sort out (or at least
