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

From: Jens Axboe
Date: Thu Jun 10 2010 - 13:00:47 EST

On 2010-06-10 18:55, Linus Torvalds wrote:
> On Thu, Jun 10, 2010 at 9:25 AM, Jens Axboe <jaxboe@xxxxxxxxxxxx> 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

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