Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/tglx/linux-2.6-x86

[linux-2.6-omap-h63xx.git] / include / linux / file.h

diff --git a/include/linux/file.h b/include/linux/file.h
index 6e77b9177f9e86ffd552fd9dcae491bc6715a6b1..56023c74e9fd65ec1b3c559da66a271435f15067 100644 (file)
--- a/include/linux/file.h
+++ b/include/linux/file.h
@@ -26,19 +26,12 @@ struct embedded_fd_set {
        unsigned long fds_bits[1];
 };
 
-/*
- * More than this number of fds: we use a separately allocated fd_set
- */
-#define EMBEDDED_FD_SET_SIZE (BITS_PER_BYTE * sizeof(struct embedded_fd_set))
-
 struct fdtable {
        unsigned int max_fds;
-       int max_fdset;
        struct file ** fd;      /* current fd array */
        fd_set *close_on_exec;
        fd_set *open_fds;
        struct rcu_head rcu;
-       struct files_struct *free_files;
        struct fdtable *next;
 };
 
@@ -69,6 +62,15 @@ extern struct kmem_cache *filp_cachep;
 extern void FASTCALL(__fput(struct file *));
 extern void FASTCALL(fput(struct file *));
 
+struct file_operations;
+struct vfsmount;
+struct dentry;
+extern int init_file(struct file *, struct vfsmount *mnt,
+               struct dentry *dentry, mode_t mode,
+               const struct file_operations *fop);
+extern struct file *alloc_file(struct vfsmount *, struct dentry *dentry,
+               mode_t mode, const struct file_operations *fop);
+
 static inline void fput_light(struct file *file, int fput_needed)
 {
        if (unlikely(fput_needed))
@@ -80,19 +82,19 @@ extern struct file * FASTCALL(fget_light(unsigned int fd, int *fput_needed));
 extern void FASTCALL(set_close_on_exec(unsigned int fd, int flag));
 extern void put_filp(struct file *);
 extern int get_unused_fd(void);
+extern int get_unused_fd_flags(int flags);
 extern void FASTCALL(put_unused_fd(unsigned int fd));
 struct kmem_cache;
 
-extern struct file ** alloc_fd_array(int);
-extern void free_fd_array(struct file **, int);
-
-extern fd_set *alloc_fdset(int);
-extern void free_fdset(fd_set *, int);
-
 extern int expand_files(struct files_struct *, int nr);
-extern void free_fdtable(struct fdtable *fdt);
+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;