On Thu, Nov 23, 2017 at 10:51:43AM +0200, Nikolay Borisov wrote:
> Commit 9036c10208e1 ("Btrfs: update hole handling v2") added the FLAG_VACANCY
> to denote holes, however there was already a consistent way of flagging
> extents which represent hole - ->block_start = EXTENT_MAP_HOLE. And also
>
Commit 9036c10208e1 ("Btrfs: update hole handling v2") added the FLAG_VACANCY
to denote holes, however there was already a consistent way of flagging
extents which represent hole - ->block_start = EXTENT_MAP_HOLE. And also
the only place where this flag is checked is in the fiemap code, but the
