1#ifndef _LINUX_RAMFS_H 2#define _LINUX_RAMFS_H 3 4struct inode *ramfs_get_inode(struct super_block *sb, int mode, dev_t dev); 5extern int ramfs_get_sb(struct file_system_type *fs_type, 6 int flags, const char *dev_name, void *data, struct vfsmount *mnt); 7 8#ifndef CONFIG_MMU 9extern int ramfs_nommu_expand_for_mapping(struct inode *inode, size_t newsize); 10extern unsigned long ramfs_nommu_get_unmapped_area(struct file *file, 11 unsigned long addr, 12 unsigned long len, 13 unsigned long pgoff, 14 unsigned long flags); 15 16extern int ramfs_nommu_mmap(struct file *file, struct vm_area_struct *vma); 17#endif 18 19extern const struct file_operations ramfs_file_operations; 20extern const struct vm_operations_struct generic_file_vm_ops; 21extern int __init init_rootfs(void); 22 23#endif 24