patch-2.4.5 linux/include/linux/locks.h
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- Lines: 33
- Date:
Fri May 25 18:02:03 2001
- Orig file:
v2.4.4/linux/include/linux/locks.h
- Orig date:
Fri Apr 27 15:49:14 2001
diff -u --recursive --new-file v2.4.4/linux/include/linux/locks.h linux/include/linux/locks.h
@@ -39,30 +39,15 @@
* a super-block (although even this isn't done right now.
* nfs may need it).
*/
-extern void __wait_on_super(struct super_block *);
-
-extern inline void wait_on_super(struct super_block * sb)
-{
- if (sb->s_lock)
- __wait_on_super(sb);
-}
extern inline void lock_super(struct super_block * sb)
{
- if (sb->s_lock)
- __wait_on_super(sb);
- sb->s_lock = 1;
+ down(&sb->s_lock);
}
extern inline void unlock_super(struct super_block * sb)
{
- sb->s_lock = 0;
- /*
- * No need of any barrier, we're protected by
- * the big kernel lock here... unfortunately :)
- */
- if (waitqueue_active(&sb->s_wait))
- wake_up(&sb->s_wait);
+ up(&sb->s_lock);
}
#endif /* _LINUX_LOCKS_H */
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