1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * Copyright 2018 Google LLC 4*4882a593Smuzhiyun */ 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun #ifndef _INCFS_VFS_H 7*4882a593Smuzhiyun #define _INCFS_VFS_H 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun extern const struct file_operations incfs_file_ops; 10*4882a593Smuzhiyun extern const struct inode_operations incfs_file_inode_ops; 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun void incfs_kill_sb(struct super_block *sb); 13*4882a593Smuzhiyun struct dentry *incfs_mount_fs(struct file_system_type *type, int flags, 14*4882a593Smuzhiyun const char *dev_name, void *data); 15*4882a593Smuzhiyun int incfs_link(struct dentry *what, struct dentry *where); 16*4882a593Smuzhiyun int incfs_unlink(struct dentry *dentry); 17*4882a593Smuzhiyun get_mount_info(struct super_block * sb)18*4882a593Smuzhiyunstatic inline struct mount_info *get_mount_info(struct super_block *sb) 19*4882a593Smuzhiyun { 20*4882a593Smuzhiyun struct mount_info *result = sb->s_fs_info; 21*4882a593Smuzhiyun 22*4882a593Smuzhiyun WARN_ON(!result); 23*4882a593Smuzhiyun return result; 24*4882a593Smuzhiyun } 25*4882a593Smuzhiyun file_superblock(struct file * f)26*4882a593Smuzhiyunstatic inline struct super_block *file_superblock(struct file *f) 27*4882a593Smuzhiyun { 28*4882a593Smuzhiyun struct inode *inode = file_inode(f); 29*4882a593Smuzhiyun 30*4882a593Smuzhiyun return inode->i_sb; 31*4882a593Smuzhiyun } 32*4882a593Smuzhiyun 33*4882a593Smuzhiyun #endif 34