fs: dcache scale dentry refcount

[linux-2.6.git] / fs / internal.h

diff --git a/fs/internal.h b/fs/internal.h
index c21ecd37b1e79d9104d326a25d5cb4ebba2f576c..e43b9a4dbf4e602e39f9ca4e85a77f364798980b 100644 (file)
--- a/fs/internal.h
+++ b/fs/internal.h
@@ -9,28 +9,102 @@
  * 2 of the License, or (at your option) any later version.
  */
 
-#include <linux/ioctl32.h>
+#include <linux/lglock.h>
+
+struct super_block;
+struct linux_binprm;
+struct path;
 
 /*
  * block_dev.c
  */
+#ifdef CONFIG_BLOCK
 extern struct super_block *blockdev_superblock;
 extern void __init bdev_cache_init(void);
 
+static inline int sb_is_blkdev_sb(struct super_block *sb)
+{
+       return sb == blockdev_superblock;
+}
+
+extern int __sync_blockdev(struct block_device *bdev, int wait);
+
+#else
+static inline void bdev_cache_init(void)
+{
+}
+
+static inline int sb_is_blkdev_sb(struct super_block *sb)
+{
+       return 0;
+}
+
+static inline int __sync_blockdev(struct block_device *bdev, int wait)
+{
+       return 0;
+}
+#endif
+
 /*
  * char_dev.c
  */
 extern void __init chrdev_init(void);
 
 /*
- * compat_ioctl.c
+ * exec.c
  */
-#ifdef CONFIG_COMPAT
-extern struct ioctl_trans ioctl_start[];
-extern int ioctl_table_size;
-#endif
+extern int check_unsafe_exec(struct linux_binprm *);
 
 /*
  * namespace.c
  */
 extern int copy_mount_options(const void __user *, unsigned long *);
+extern int copy_mount_string(const void __user *, char **);
+
+extern void free_vfsmnt(struct vfsmount *);
+extern struct vfsmount *alloc_vfsmnt(const char *);
+extern struct vfsmount *__lookup_mnt(struct vfsmount *, struct dentry *, int);
+extern void mnt_set_mountpoint(struct vfsmount *, struct dentry *,
+                               struct vfsmount *);
+extern void release_mounts(struct list_head *);
+extern void umount_tree(struct vfsmount *, int, struct list_head *);
+extern struct vfsmount *copy_tree(struct vfsmount *, struct dentry *, int);
+
+extern void __init mnt_init(void);
+
+DECLARE_BRLOCK(vfsmount_lock);
+
+
+/*
+ * fs_struct.c
+ */
+extern void chroot_fs_refs(struct path *, struct path *);
+
+/*
+ * file_table.c
+ */
+extern void file_sb_list_add(struct file *f, struct super_block *sb);
+extern void file_sb_list_del(struct file *f);
+extern void mark_files_ro(struct super_block *);
+extern struct file *get_empty_filp(void);
+
+/*
+ * super.c
+ */
+extern int do_remount_sb(struct super_block *, int, void *, int);
+extern void __put_super(struct super_block *sb);
+extern void put_super(struct super_block *sb);
+
+/*
+ * open.c
+ */
+struct nameidata;
+extern struct file *nameidata_to_filp(struct nameidata *);
+extern void release_open_intent(struct nameidata *);
+
+/*
+ * inode.c
+ */
+extern int get_nr_dirty_inodes(void);
+extern void evict_inodes(struct super_block *);
+extern int invalidate_inodes(struct super_block *);