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

["Holger Hoffstätte" <holger.hoffstaette@googlemail.com>]

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,

This was manual - deleted two large files, deleted two snapshots (one
from the modified subvolume and one sibling), let it sit in the background
while doing something else for a few seconds and found the messages.
Don't know how to reproduce this as it didn't show up previously.

-h