include/linux/ramfs.h

   1 #ifndef _LINUX_RAMFS_H
   2 #define _LINUX_RAMFS_H
   3
   4 struct inode *ramfs_get_inode(struct super_block *sb, const struct inode *dir,
   5          umode_t mode, dev_t dev);
   6 extern struct dentry *ramfs_mount(struct file_system_type *fs_type,
   7          int flags, const char *dev_name, void *data);
   8
   9 #ifdef CONFIG_MMU
  10 static inline int
  11 ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize)
  12 {
  13         return 0;
  14 }
  15 #else
  16 extern int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize);
  17 extern unsigned long ramfs_nommu_get_unmapped_area(struct file *file,
  18                                                    unsigned long addr,
  19                                                    unsigned long len,
  20                                                    unsigned long pgoff,
  21                                                    unsigned long flags);
  22
  23 extern int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma);
  24 #endif
  25
  26 extern const struct file_operations ramfs_file_operations;
  27 extern const struct vm_operations_struct generic_file_vm_ops;
  28 extern int __init init_rootfs(void);
  29
  30 int ramfs_fill_super(struct super_block *sb, void *data, int silent);
  31
  32 #endif