Marek Behún 48180e15d3 fs: btrfs: support sparse extents
When logical address of a regular extent is 0, the extent is sparse and
consists of all zeros.

Without this when sparse extents are used in a file reading fails with
  Cannot map logical address 0 to physical

Signed-off-by: Marek Behún <marek.behun@nic.cz>
2020-04-20 12:23:29 -04:00
..
2020-04-20 12:23:29 -04:00
2019-08-18 21:54:10 +08:00
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2019-08-18 21:54:10 +08:00