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authorIngo Molnar <mingo@elte.hu>2011-04-22 04:19:26 -0400
committerIngo Molnar <mingo@elte.hu>2011-04-22 04:19:30 -0400
commiteff430de53be6f3328c3eebe93755f1ecf499e37 (patch)
treec8e5ae958fe3e6656b4e96c83bbda17e649321a2 /include/linux/posix-clock.h
parent9cbdb702092a2d82f909312f4ec3eeded77bb82e (diff)
parent91e8549bde9e5cc88c5a2e8c8114389279e240b5 (diff)
Merge branch 'linus' into perf/core
Merge reason: Pick up upstream fixes. Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'include/linux/posix-clock.h')
-rw-r--r--include/linux/posix-clock.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/include/linux/posix-clock.h b/include/linux/posix-clock.h
index 369e19d3750b..7f1183dcd119 100644
--- a/include/linux/posix-clock.h
+++ b/include/linux/posix-clock.h
@@ -24,6 +24,7 @@
24#include <linux/fs.h> 24#include <linux/fs.h>
25#include <linux/poll.h> 25#include <linux/poll.h>
26#include <linux/posix-timers.h> 26#include <linux/posix-timers.h>
27#include <linux/rwsem.h>
27 28
28struct posix_clock; 29struct posix_clock;
29 30
@@ -104,7 +105,7 @@ struct posix_clock_operations {
104 * @ops: Functional interface to the clock 105 * @ops: Functional interface to the clock
105 * @cdev: Character device instance for this clock 106 * @cdev: Character device instance for this clock
106 * @kref: Reference count. 107 * @kref: Reference count.
107 * @mutex: Protects the 'zombie' field from concurrent access. 108 * @rwsem: Protects the 'zombie' field from concurrent access.
108 * @zombie: If 'zombie' is true, then the hardware has disappeared. 109 * @zombie: If 'zombie' is true, then the hardware has disappeared.
109 * @release: A function to free the structure when the reference count reaches 110 * @release: A function to free the structure when the reference count reaches
110 * zero. May be NULL if structure is statically allocated. 111 * zero. May be NULL if structure is statically allocated.
@@ -117,7 +118,7 @@ struct posix_clock {
117 struct posix_clock_operations ops; 118 struct posix_clock_operations ops;
118 struct cdev cdev; 119 struct cdev cdev;
119 struct kref kref; 120 struct kref kref;
120 struct mutex mutex; 121 struct rw_semaphore rwsem;
121 bool zombie; 122 bool zombie;
122 void (*release)(struct posix_clock *clk); 123 void (*release)(struct posix_clock *clk);
123}; 124};