diff options
| author | Waiman Long <Waiman.Long@hpe.com> | 2016-05-17 21:26:23 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2016-06-08 15:17:00 +0200 |
| commit | ddd0fa73c2b71c35de4fe7ae60a5f1a6cddc2cf0 (patch) | |
| tree | 6ff6f3e9c5f3b7866ceb0d1608e49ce6f4c90043 /fs/kernfs/dir.c | |
| parent | bf7b4c472db44413251bcef79ca1f6bf1ec81475 (diff) | |
locking/rwsem: Streamline the rwsem_optimistic_spin() code
This patch moves the owner loading and checking code entirely inside of
rwsem_spin_on_owner() to simplify the logic of rwsem_optimistic_spin()
loop.
Suggested-by: Peter Hurley <peter@hurleysoftware.com>
Signed-off-by: Waiman Long <Waiman.Long@hpe.com>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Reviewed-by: Peter Hurley <peter@hurleysoftware.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Dave Chinner <david@fromorbit.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Douglas Hatch <doug.hatch@hpe.com>
Cc: Jason Low <jason.low2@hp.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Scott J Norton <scott.norton@hpe.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1463534783-38814-6-git-send-email-Waiman.Long@hpe.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'fs/kernfs/dir.c')
0 files changed, 0 insertions, 0 deletions