Re: [PATCH 2/4] Btrfs: fix deadlock on sb->s_umount when doing umount

[Miao Xie <miaox@xxxxxxxxxxxxxx>]

On Tue, 8 May 2012 17:33:26 +0200, David Sterba wrote:
> On Tue, May 08, 2012 at 06:38:01PM +0800, Miao Xie wrote:
>> I think this method can not fix the problem safely because if the other
>> background threads(not the cleaner) call shrink_delalloc(), the problem
>> can still occur.
> 
> And it does not indeed fix the problem completely, I found xfstests/269
> hung inside cleaner and defrag (mounted with autodefrag).

Did you apply the trylock patchs I sent before?

Thanks
Miao
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