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authorWaiman Long <Waiman.Long@hpe.com>2016-05-17 21:26:23 -0400
committerIngo Molnar <mingo@kernel.org>2016-06-08 15:17:00 +0200
commitddd0fa73c2b71c35de4fe7ae60a5f1a6cddc2cf0 (patch)
tree6ff6f3e9c5f3b7866ceb0d1608e49ce6f4c90043 /fs/ext4/crypto.c
parentbf7b4c472db44413251bcef79ca1f6bf1ec81475 (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/ext4/crypto.c')
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