Re: [PATCH 22/35] btrfs: make sure we create all new bgs

Josef Bacik
2018-08-31T18:10:42Z

On Fri, Aug 31, 2018 at 10:31:49AM +0300, Nikolay Borisov wrote:
>
>
> On 30.08.2018 20:42, Josef Bacik wrote:
> > We can actually allocate new chunks while we're creating our bg's, so
> > instead of doing list_for_each_safe, just do while (!list_empty()) so we
> > make sure to catch any new bg's that get added to the list.
>
> HOw can this occur, please elaborate and put an example callstack in the
> commit log.
>

Eh? We're modifying the extent tree and chunk tree, which can cause bg's to be
allocated, it's just common sense.

Josef