tree 09d695b3a0410afe15f7fd6006bc6c1effee151d
parent 41f9d29f09ca0b22c3631e8a39676e74cda9bcc0
author Al Viro <viro@zeniv.linux.org.uk> 1340774653 +0400
committer Al Viro <viro@zeniv.linux.org.uk> 1342987075 +0400

trim task_work: get rid of hlist

layout based on Oleg's suggestion; single-linked list,
task->task_works points to the last element, forward pointer
from said last element points to head.  I'd still prefer
much more regular scheme with two pointers in task_work,
but...

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>