Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus

[linux-2.6-omap-h63xx.git] / include / linux / seqlock.h

diff --git a/include/linux/seqlock.h b/include/linux/seqlock.h
index 46000936f8f1d5f39e92aa1e260518475b567e1a..52c9eb9b6df2b15af03ac0dc8a618bf0ad72e93a 100644 (file)
--- a/include/linux/seqlock.h
+++ b/include/linux/seqlock.h
@@ -2,7 +2,7 @@
 #define __LINUX_SEQLOCK_H
 /*
  * Reader/writer consistent mechanism without starving writers. This type of
- * lock for data where the reader wants a consitent set of information
+ * lock for data where the reader wants a consistent set of information
  * and is willing to retry if the information changes.  Readers never
  * block but they may have to retry if a writer is in
  * progress. Writers do not wait for readers. 
@@ -44,8 +44,11 @@ typedef struct {
 #define SEQLOCK_UNLOCKED \
                 __SEQLOCK_UNLOCKED(old_style_seqlock_init)
 
-#define seqlock_init(x) \
-               do { *(x) = (seqlock_t) __SEQLOCK_UNLOCKED(x); } while (0)
+#define seqlock_init(x)                                        \
+       do {                                            \
+               (x)->sequence = 0;                      \
+               spin_lock_init(&(x)->lock);             \
+       } while (0)
 
 #define DEFINE_SEQLOCK(x) \
                seqlock_t x = __SEQLOCK_UNLOCKED(x)