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authorJason Low <jason.low2@hp.com>2014-07-14 21:27:48 +0400
committerIngo Molnar <mingo@kernel.org>2014-07-16 15:28:03 +0400
commit046a619d8e9746fa4c0e29e8c6b78e16efc008a8 (patch)
tree1eb92c69dcc0eb80c7287b89a2ca89b05245f9cb /include
parent37e9562453b813d2ea527bd9531fef2c3c592847 (diff)
downloadlinux-046a619d8e9746fa4c0e29e8c6b78e16efc008a8.tar.xz
locking/spinlocks/mcs: Rename optimistic_spin_queue() to optimistic_spin_node()
Currently, the per-cpu nodes structure for the cancellable MCS spinlock is named "optimistic_spin_queue". However, in a follow up patch in the series we will be introducing a new structure that serves as the new "handle" for the lock. It would make more sense if that structure is named "optimistic_spin_queue". Additionally, since the current use of the "optimistic_spin_queue" structure are "nodes", it might be better if we rename them to "node" anyway. This preparatory patch renames all current "optimistic_spin_queue" to "optimistic_spin_node". Signed-off-by: Jason Low <jason.low2@hp.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: Scott Norton <scott.norton@hp.com> Cc: "Paul E. McKenney" <paulmck@linux.vnet.ibm.com> Cc: Dave Chinner <david@fromorbit.com> Cc: Waiman Long <waiman.long@hp.com> Cc: Davidlohr Bueso <davidlohr@hp.com> Cc: Rik van Riel <riel@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: "H. Peter Anvin" <hpa@zytor.com> Cc: Steven Rostedt <rostedt@goodmis.org> Cc: Tim Chen <tim.c.chen@linux.intel.com> Cc: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> Cc: Aswin Chandramouleeswaran <aswin@hp.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Chris Mason <clm@fb.com> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Josef Bacik <jbacik@fusionio.com> Link: http://lkml.kernel.org/r/1405358872-3732-2-git-send-email-jason.low2@hp.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'include')
-rw-r--r--include/linux/mutex.h4
-rw-r--r--include/linux/rwsem.h4
2 files changed, 4 insertions, 4 deletions
diff --git a/include/linux/mutex.h b/include/linux/mutex.h
index 11692dea18aa..885f3f56a77f 100644
--- a/include/linux/mutex.h
+++ b/include/linux/mutex.h
@@ -46,7 +46,7 @@
* - detects multi-task circular deadlocks and prints out all affected
* locks and tasks (and only those tasks)
*/
-struct optimistic_spin_queue;
+struct optimistic_spin_node;
struct mutex {
/* 1: unlocked, 0: locked, negative: locked, possible waiters */
atomic_t count;
@@ -56,7 +56,7 @@ struct mutex {
struct task_struct *owner;
#endif
#ifdef CONFIG_MUTEX_SPIN_ON_OWNER
- struct optimistic_spin_queue *osq; /* Spinner MCS lock */
+ struct optimistic_spin_node *osq; /* Spinner MCS lock */
#endif
#ifdef CONFIG_DEBUG_MUTEXES
const char *name;
diff --git a/include/linux/rwsem.h b/include/linux/rwsem.h
index 8d79708146aa..ba3f108ddea1 100644
--- a/include/linux/rwsem.h
+++ b/include/linux/rwsem.h
@@ -16,7 +16,7 @@
#include <linux/atomic.h>
-struct optimistic_spin_queue;
+struct optimistic_spin_node;
struct rw_semaphore;
#ifdef CONFIG_RWSEM_GENERIC_SPINLOCK
@@ -33,7 +33,7 @@ struct rw_semaphore {
* if the owner is running on the cpu.
*/
struct task_struct *owner;
- struct optimistic_spin_queue *osq; /* spinner MCS lock */
+ struct optimistic_spin_node *osq; /* spinner MCS lock */
#endif
#ifdef CONFIG_DEBUG_LOCK_ALLOC
struct lockdep_map dep_map;