K 10
svn:author
V 3
jhb
K 8
svn:date
V 27
2017-12-19T19:07:24.697110Z
K 7
svn:log
V 707
Adjust ZFS' link count handling for ino64.

- Define a ZFS_LINK_MAX as the ZFS version of LINK_MAX which is set to
  UINT64_MAX to match the on-disk format.
- Enable the currently #if 0'd code to check for link overflows and
  return EMLINK.
- Don't clamp the link count reported in stat() to LINK_MAX as that is
  still the 16-bit limit, but report the full link counts.  Also,
  avoid possibly overflowing the reported link count to 0 when adjusting
  the link count to account for ".snapshot".
- Update the LINK_MAX reported by pathconf() to report ZFS_LINK_MAX
  rather than LINK_MAX (but clamped to LONG_MAX for 32-bit systems).

Reviewed by:	avg (earlier version)
Sponsored by:	Chelsio Communications

END