tree 49ea33a67213702ff56ca5843435c75749ac0ab3
parent 2fd8507d14ef7af3ae05316b3277044cf6daa381
author Linus Torvalds <torvalds@woody.osdl.org> 1165512499 -0800
committer Linus Torvalds <torvalds@woody.osdl.org> 1165512499 -0800

Add "run_scheduled_work()" workqueue function

This allows workqueue users to run just their own pending work, rather
than wait for the whole workqueue to finish running.  This solves the
deadlock with networking libphy that was due to other workqueue entries
possibly needing a lock that was held by the routine that wanted to
flush its own work.

It's not wonderful: if you absolutely need to synchronize with the work
function having been executed, any user strictly speaking should have
its own completion tracking logic, since when we run things explicitly
by hand, the generic workqueue layer can no longer help us synchronize.

Also, this is strictly only usable for work that has been scheduled
without any delayed timers.  You can not mix the new interface with
schedule_delayed_work().

But it's better than what we had currently.

Acked-by: Maciej W. Rozycki <macro@linux-mips.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>