Re: [PATCH V2] Btrfs: keep dropped roots in cache until transaction commit

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On 09/15/15 21:15, Josef Bacik wrote:
> On 09/15/2015 03:08 PM, Holger Hoffstätte wrote:
>> On 09/15/15 17:50, Holger Hoffstätte wrote:
>>> This V2 does indeed seem to fix the issues I reported with snapshot
>>> deletion & concurrent sync. I've now created/filled/deleted countless
>>> snapshots while issuing sync(s) in parallel, and the problem that I
>>> saw fairly frequently with V1 no longer seems to occur here.
>>
>> Well..I may have spoken too soon:
> 
> Huh this doesn't seem related to my stuff.  Can I have your script
> you are running to reproduce this?  Thanks,
> 
> Josef

It seemed to be related to Omar's free-space-tree - I saw the same bug
a bit later on a different device without snapshot deletion, just
deleting two large files. Sorry for the false positive.

-h

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