[Libguestfs] [PATCH v3] fuse: Allow fallocate(FALLOC_FL_ZERO_RANGE)
v2 -> v3:
- Call truncate_pagecache_range, same as for hole punching.
- Tidy up the tests of flags in mode.
- Changed the test / example in the commit message to something
a bit simpler to understand.
- Retested it.
Rich.