Re: [PATCH v2] btrfs: clean snapshots one by one

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On Wed, Mar 06, 2013 at 11:08:57AM +0200, Ilya Dryomov wrote:
> On Fri, Mar 01, 2013 at 05:30:57PM +0100, David Sterba wrote:
> > 3407         BUG_ON(fs_info->balance_ctl || atomic_read(&fs_info->balance_running));
> 
> Were you by any chance running this on top of a for-linus that included
> a raid56 merge commit?  If so, this is result of a raid56 mismerge --
> fs_info->balance_ctl is supposed to be cleared in __cancel_balance(), a
> call to which was accidentally nuked.

I've been testing either plain next/master or based on linus' tree, so
yes, this merge was there and the missing cancel explains the BUG_ON.

david
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