Re: [vfs:fsfreeze] umount BUG: sleeping function called from invalid context

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On Tue, Jul 31, 2012 at 04:38:39PM +0800, Fengguang Wu wrote:
> Hi Jan,
> 
> Here is another warning for the fs freeze series.
> 
> tree:   git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs.git fsfreeze
> head:   7aff72a61f45337d83ab2b7fb16d7b542db16ad8
> commit: bc875c078f72993e6c44925cdedef5a304ca7429 [37/51] fs: Improve filesystem freezing handling
> 
> The warning shows up reliably since commit bc875c0. The 2nd commit
> 51205f9 triggers the same warning as the previous email.

That one is fixed in the end of #fsfreeze (for testing purposes only) and then the right
way in #for-next (by making percpu_list_lock a  spinlock).
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