1 files changed, 5 insertions, 3 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index b158e5161bca..faac13e2cc5c 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -83,6 +83,7 @@ extern int dir_notify_enable;
 #define READ_SYNC       (READ | (1 << BIO_RW_SYNC))
 #define READ_META       (READ | (1 << BIO_RW_META))
 #define WRITE_SYNC      (WRITE | (1 << BIO_RW_SYNC))
+#define SWRITE_SYNC     (SWRITE | (1 << BIO_RW_SYNC))
 #define WRITE_BARRIER   ((1 << BIO_RW) | (1 << BIO_RW_BARRIER))
 
 #define SEL_IN          1
@@ -894,8 +895,6 @@ static inline int file_check_writeable(struct file *filp)
 typedef struct files_struct *fl_owner_t;
 
 struct file_lock_operations {
-        void (*fl_insert)(struct file_lock *);  /* lock insertion callback */
-        void (*fl_remove)(struct file_lock *);  /* lock removal callback */
         void (*fl_copy_lock)(struct file_lock *, struct file_lock *);
         void (*fl_release_private)(struct file_lock *);
 };
@@ -2001,7 +2000,10 @@ extern int simple_fill_super(struct super_block *, int, struct tree_descr *);
 extern int simple_pin_fs(struct file_system_type *, struct vfsmount **mount, int *count);
 extern void simple_release_fs(struct vfsmount **mount, int *count);
 
-extern ssize_t simple_read_from_buffer(void __user *, size_t, loff_t *, const void *, size_t);
+extern ssize_t simple_read_from_buffer(void __user *to, size_t count,
+                        loff_t *ppos, const void *from, size_t available);
+extern ssize_t memory_read_from_buffer(void *to, size_t count, loff_t *ppos,
+                        const void *from, size_t available);
 
 #ifdef CONFIG_MIGRATION
 extern int buffer_migrate_page(struct address_space *,