Merge tag 'locks-v4.5-1' of git://git.samba.org/jlayton/linux

[cascardo/linux.git] / include / linux / fs.h

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 3aa5142..566f8e0 100644 (file)
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -31,6 +31,7 @@
 #include <linux/blk_types.h>
 #include <linux/workqueue.h>
 #include <linux/percpu-rwsem.h>
+#include <linux/delayed_call.h>
 
 #include <asm/byteorder.h>
 #include <uapi/linux/fs.h>
@@ -1042,7 +1043,7 @@ extern int fcntl_setlease(unsigned int fd, struct file *filp, long arg);
 extern int fcntl_getlease(struct file *filp);
 
 /* fs/locks.c */
-void locks_free_lock_context(struct file_lock_context *ctx);
+void locks_free_lock_context(struct inode *inode);
 void locks_free_lock(struct file_lock *fl);
 extern void locks_init_lock(struct file_lock *);
 extern struct file_lock * locks_alloc_lock(void);
@@ -1103,7 +1104,7 @@ static inline int fcntl_getlease(struct file *filp)
 }
 
 static inline void
-locks_free_lock_context(struct file_lock_context *ctx)
+locks_free_lock_context(struct inode *inode)
 {
 }
 
@@ -1633,12 +1634,11 @@ struct file_operations {
 
 struct inode_operations {
        struct dentry * (*lookup) (struct inode *,struct dentry *, unsigned int);
-       const char * (*follow_link) (struct dentry *, void **);
+       const char * (*get_link) (struct dentry *, struct inode *, struct delayed_call *);
        int (*permission) (struct inode *, int);
        struct posix_acl * (*get_acl)(struct inode *, int);
 
        int (*readlink) (struct dentry *, char __user *,int);
-       void (*put_link) (struct inode *, void *);
 
        int (*create) (struct inode *,struct dentry *, umode_t, bool);
        int (*link) (struct dentry *,struct inode *,struct dentry *);
@@ -2030,7 +2030,7 @@ extern struct kobject *fs_kobj;
 #define FLOCK_VERIFY_READ  1
 #define FLOCK_VERIFY_WRITE 2
 
-#ifdef CONFIG_FILE_LOCKING
+#ifdef CONFIG_MANDATORY_FILE_LOCKING
 extern int locks_mandatory_locked(struct file *);
 extern int locks_mandatory_area(int, struct inode *, struct file *, loff_t, size_t);
 
@@ -2075,6 +2075,45 @@ static inline int locks_verify_truncate(struct inode *inode,
        return 0;
 }
 
+#else /* !CONFIG_MANDATORY_FILE_LOCKING */
+
+static inline int locks_mandatory_locked(struct file *file)
+{
+       return 0;
+}
+
+static inline int locks_mandatory_area(int rw, struct inode *inode,
+                                      struct file *filp, loff_t offset,
+                                      size_t count)
+{
+       return 0;
+}
+
+static inline int __mandatory_lock(struct inode *inode)
+{
+       return 0;
+}
+
+static inline int mandatory_lock(struct inode *inode)
+{
+       return 0;
+}
+
+static inline int locks_verify_locked(struct file *file)
+{
+       return 0;
+}
+
+static inline int locks_verify_truncate(struct inode *inode, struct file *filp,
+                                       size_t size)
+{
+       return 0;
+}
+
+#endif /* CONFIG_MANDATORY_FILE_LOCKING */
+
+
+#ifdef CONFIG_FILE_LOCKING
 static inline int break_lease(struct inode *inode, unsigned int mode)
 {
        /*
@@ -2136,39 +2175,6 @@ static inline int break_layout(struct inode *inode, bool wait)
 }
 
 #else /* !CONFIG_FILE_LOCKING */
-static inline int locks_mandatory_locked(struct file *file)
-{
-       return 0;
-}
-
-static inline int locks_mandatory_area(int rw, struct inode *inode,
-                                      struct file *filp, loff_t offset,
-                                      size_t count)
-{
-       return 0;
-}
-
-static inline int __mandatory_lock(struct inode *inode)
-{
-       return 0;
-}
-
-static inline int mandatory_lock(struct inode *inode)
-{
-       return 0;
-}
-
-static inline int locks_verify_locked(struct file *file)
-{
-       return 0;
-}
-
-static inline int locks_verify_truncate(struct inode *inode, struct file *filp,
-                                       size_t size)
-{
-       return 0;
-}
-
 static inline int break_lease(struct inode *inode, unsigned int mode)
 {
        return 0;
@@ -2736,14 +2742,14 @@ extern const struct file_operations generic_ro_fops;
 
 extern int readlink_copy(char __user *, int, const char *);
 extern int page_readlink(struct dentry *, char __user *, int);
-extern const char *page_follow_link_light(struct dentry *, void **);
-extern void page_put_link(struct inode *, void *);
+extern const char *page_get_link(struct dentry *, struct inode *,
+                                struct delayed_call *);
+extern void page_put_link(void *);
 extern int __page_symlink(struct inode *inode, const char *symname, int len,
                int nofs);
 extern int page_symlink(struct inode *inode, const char *symname, int len);
 extern const struct inode_operations page_symlink_inode_operations;
-extern void kfree_put_link(struct inode *, void *);
-extern void free_page_put_link(struct inode *, void *);
+extern void kfree_link(void *);
 extern int generic_readlink(struct dentry *, char __user *, int);
 extern void generic_fillattr(struct inode *, struct kstat *);
 int vfs_getattr_nosec(struct path *path, struct kstat *stat);
@@ -2754,7 +2760,8 @@ void __inode_sub_bytes(struct inode *inode, loff_t bytes);
 void inode_sub_bytes(struct inode *inode, loff_t bytes);
 loff_t inode_get_bytes(struct inode *inode);
 void inode_set_bytes(struct inode *inode, loff_t bytes);
-const char *simple_follow_link(struct dentry *, void **);
+const char *simple_get_link(struct dentry *, struct inode *,
+                           struct delayed_call *);
 extern const struct inode_operations simple_symlink_inode_operations;
 
 extern int iterate_dir(struct file *, struct dir_context *);
@@ -2764,8 +2771,6 @@ extern int vfs_lstat(const char __user *, struct kstat *);
 extern int vfs_fstat(unsigned int, struct kstat *);
 extern int vfs_fstatat(int , const char __user *, struct kstat *, int);
 
-extern int do_vfs_ioctl(struct file *filp, unsigned int fd, unsigned int cmd,
-                   unsigned long arg);
 extern int __generic_block_fiemap(struct inode *inode,
                                  struct fiemap_extent_info *fieinfo,
                                  loff_t start, loff_t len,
@@ -3025,5 +3030,6 @@ static inline bool dir_relax(struct inode *inode)
 }
 
 extern bool path_noexec(const struct path *path);
+extern void inode_nohighmem(struct inode *inode);
 
 #endif /* _LINUX_FS_H */