fs/ramfs/file-nommu.c: make ramfs_nommu_get_unmapped_area() and ramfs_nommu_mmap...

[deliverable/linux.git] / include / linux / bottom_half.h

diff --git a/include/linux/bottom_half.h b/include/linux/bottom_half.h
index 27b1bcffe40853e8e1f6c1f629525c94ec2a343e..86c12c93e3cf6ce9c1db4085b9ee986d2c1e5b9a 100644 (file)
--- a/include/linux/bottom_half.h
+++ b/include/linux/bottom_half.h
@@ -1,9 +1,35 @@
 #ifndef _LINUX_BH_H
 #define _LINUX_BH_H
 
-extern void local_bh_disable(void);
+#include <linux/preempt.h>
+#include <linux/preempt_mask.h>
+
+#ifdef CONFIG_TRACE_IRQFLAGS
+extern void __local_bh_disable_ip(unsigned long ip, unsigned int cnt);
+#else
+static __always_inline void __local_bh_disable_ip(unsigned long ip, unsigned int cnt)
+{
+       preempt_count_add(cnt);
+       barrier();
+}
+#endif
+
+static inline void local_bh_disable(void)
+{
+       __local_bh_disable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
+}
+
 extern void _local_bh_enable(void);
-extern void local_bh_enable(void);
-extern void local_bh_enable_ip(unsigned long ip);
+extern void __local_bh_enable_ip(unsigned long ip, unsigned int cnt);
+
+static inline void local_bh_enable_ip(unsigned long ip)
+{
+       __local_bh_enable_ip(ip, SOFTIRQ_DISABLE_OFFSET);
+}
+
+static inline void local_bh_enable(void)
+{
+       __local_bh_enable_ip(_THIS_IP_, SOFTIRQ_DISABLE_OFFSET);
+}
 
 #endif /* _LINUX_BH_H */