Merge git://git.skbuff.net/gitroot/yoshfuji/linux-2.6-git-rfc3542

[linux-2.6] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index fd93ab7da905041938a7e59473d086d4657a152b..7f61227827d760ee8ed89f4829484502b89a0253 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -9,6 +9,7 @@
 #include <linux/config.h>
 #include <linux/limits.h>
 #include <linux/ioctl.h>
+#include <linux/rcuref.h>
 
 /*
  * It's silly to have NR_OPEN bigger than NR_FILE, but you can change
@@ -597,12 +598,13 @@ struct file {
        spinlock_t              f_ep_lock;
 #endif /* #ifdef CONFIG_EPOLL */
        struct address_space    *f_mapping;
+       struct rcu_head         f_rcuhead;
 };
 extern spinlock_t files_lock;
 #define file_list_lock() spin_lock(&files_lock);
 #define file_list_unlock() spin_unlock(&files_lock);
 
-#define get_file(x)    atomic_inc(&(x)->f_count)
+#define get_file(x)    rcuref_inc(&(x)->f_count)
 #define file_count(x)  atomic_read(&(x)->f_count)
 
 #define        MAX_NON_LFS     ((1UL<<31) - 1)