new helper: daemonize_descriptors()

[platform/adaptation/renesas_rcar/renesas_kernel.git] / include / linux / fdtable.h

diff --git a/include/linux/fdtable.h b/include/linux/fdtable.h
index 158a41e..45052aa 100644 (file)
--- a/include/linux/fdtable.h
+++ b/include/linux/fdtable.h
@@ -30,31 +30,11 @@ struct fdtable {
        struct fdtable *next;
 };
 
-static inline void __set_close_on_exec(int fd, struct fdtable *fdt)
-{
-       __set_bit(fd, fdt->close_on_exec);
-}
-
-static inline void __clear_close_on_exec(int fd, struct fdtable *fdt)
-{
-       __clear_bit(fd, fdt->close_on_exec);
-}
-
 static inline bool close_on_exec(int fd, const struct fdtable *fdt)
 {
        return test_bit(fd, fdt->close_on_exec);
 }
 
-static inline void __set_open_fd(int fd, struct fdtable *fdt)
-{
-       __set_bit(fd, fdt->open_fds);
-}
-
-static inline void __clear_open_fd(int fd, struct fdtable *fdt)
-{
-       __clear_bit(fd, fdt->open_fds);
-}
-
 static inline bool fd_is_open(int fd, const struct fdtable *fdt)
 {
        return test_bit(fd, fdt->open_fds);
@@ -93,15 +73,8 @@ struct file_operations;
 struct vfsmount;
 struct dentry;
 
-extern int expand_files(struct files_struct *, int nr);
-extern void free_fdtable_rcu(struct rcu_head *rcu);
 extern void __init files_defer_init(void);
 
-static inline void free_fdtable(struct fdtable *fdt)
-{
-       call_rcu(&fdt->rcu, free_fdtable_rcu);
-}
-
 static inline struct file * fcheck_files(struct files_struct *files, unsigned int fd)
 {
        struct file * file = NULL;
@@ -122,8 +95,20 @@ struct task_struct;
 struct files_struct *get_files_struct(struct task_struct *);
 void put_files_struct(struct files_struct *fs);
 void reset_files_struct(struct files_struct *);
+void daemonize_descriptors(void);
 int unshare_files(struct files_struct **);
 struct files_struct *dup_fd(struct files_struct *, int *);
+void do_close_on_exec(struct files_struct *);
+int iterate_fd(struct files_struct *, unsigned,
+               int (*)(const void *, struct file *, unsigned),
+               const void *);
+
+extern int __alloc_fd(struct files_struct *files,
+                     unsigned start, unsigned end, unsigned flags);
+extern void __fd_install(struct files_struct *files,
+                     unsigned int fd, struct file *file);
+extern int __close_fd(struct files_struct *files,
+                     unsigned int fd);
 
 extern struct kmem_cache *files_cachep;