On Wed, Jun 17, 2020 at 12:10:42PM +0300, Nikolay Borisov wrote:
> Extents in the extent cluster are guaranteed to be contiguous as such
> the hole check inside the loop can never trigger. In fact this check
> was never functional since it was added in 18513091af948 which came
> after the commit introducing clustered/contiguous extents: 0257bb82d21b.
Please use full commit references like 18513091af94 ("btrfs: update
btrfs_space_info's bytes_may_use timely").
