Re: [GIT PULL] block/io bits for 2.6.35-rc

[Jens Axboe <jaxboe@fusionio.com>]

On 2010-06-10 18:55, Linus Torvalds wrote:
> On Thu, Jun 10, 2010 at 9:25 AM, Jens Axboe <jaxboe@fusionio.com> wrote:
>>
>> It's fixing a regression where umount takes a LONG time if you have
>> a lot of dirty inodes, since it basically degenerates to a data
>> integrity writeback instead of a simple WB_SYNC_NONE. If it wasn't
>> fixing a nasty regression (the distros are all wanting a real fix
>> for this, it's a user problem), I would not be submitting this code
>> at this point in time.
> 
> I'm not sure if you noticed, we had a separate thread with Dave
> Chinner that resulted in three hopefully fairly minimal patches going
> in instead.
> 
> See commits
> 
>    git log -3  d87815cb2090
> 
> and I thought that last one (first one applied: "pay attention to
> wbc->nr_to_write") was the one that had fixed the worst XFS issues.
> 
> But maybe it was an unrelated thing.

That's a different bug.

-- 
Jens Axboe