zfsonlinux/zfs — pull request #2784 by ryao (2014-10-10 15:19:52+00:00)
Title: Illumos #4950 files sometimes can't be removed from a full filesystem

Reviewed by: Adam Leventhal
Reviewed by: George Wilson
Reviewed by: Sebastien Roy
Reviewed by: Boris Protopopov
Approved by: Dan McDonald
Ported-by: Richard Yao

Porting notes:
ZoL currently does not log discards to zvols, so the portion of this patch that
modifies the discard logging to mark it as freeing space has been disarded.