1 files changed, 5 insertions, 12 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 67e6732d4fdc..7f61227827d7 100644
--- 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
@@ -69,6 +70,7 @@ extern int dir_notify_enable;
 #define READ 0
 #define WRITE 1
 #define READA 2         /* read-ahead  - don't block if no resources */
+#define SWRITE 3        /* for ll_rw_block() - wait for buffer lock */
 #define SPECIAL 4       /* For non-blockdevice requests in request queue */
 #define READ_SYNC       (READ | (1 << BIO_RW_SYNC))
 #define WRITE_SYNC      (WRITE | (1 << BIO_RW_SYNC))
@@ -281,19 +283,9 @@ struct iattr {
         struct timespec ia_atime;
         struct timespec ia_mtime;
         struct timespec ia_ctime;
-        unsigned int    ia_attr_flags;
 };
 
 /*
- * This is the inode attributes flag definitions
- */
-#define ATTR_FLAG_SYNCRONOUS    1       /* Syncronous write */
-#define ATTR_FLAG_NOATIME       2       /* Don't update atime */
-#define ATTR_FLAG_APPEND        4       /* Append-only file */
-#define ATTR_FLAG_IMMUTABLE     8       /* Immutable file */
-#define ATTR_FLAG_NODIRATIME    16      /* Don't update atime for directory */
-
-/*
  * Includes for diskquotas.
  */
 #include <linux/quota.h>
@@ -594,7 +586,6 @@ struct file {
         unsigned int            f_uid, f_gid;
         struct file_ra_state    f_ra;
 
-        size_t                  f_maxcount;
         unsigned long           f_version;
         void                    *f_security;
 
@@ -607,12 +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)
@@ -1291,6 +1283,7 @@ static inline int break_lease(struct inode *inode, unsigned int mode)
 /* fs/open.c */
 
 extern int do_truncate(struct dentry *, loff_t start);
+extern long do_sys_open(const char __user *filename, int flags, int mode);
 extern struct file *filp_open(const char *, int, int);
 extern struct file * dentry_open(struct dentry *, struct vfsmount *, int);
 extern int filp_close(struct file *, fl_owner_t id);