|  | /* SPDX-License-Identifier: GPL-2.0 */ | 
|  | #ifndef __PROCFS_FD_H__ | 
|  | #define __PROCFS_FD_H__ | 
|  |  | 
|  | #include <linux/fs.h> | 
|  |  | 
|  | extern const struct file_operations proc_fd_operations; | 
|  | extern const struct inode_operations proc_fd_inode_operations; | 
|  |  | 
|  | extern const struct file_operations proc_fdinfo_operations; | 
|  | extern const struct inode_operations proc_fdinfo_inode_operations; | 
|  |  | 
|  | extern int proc_fd_permission(struct mnt_idmap *idmap, | 
|  | struct inode *inode, int mask); | 
|  |  | 
|  | static inline unsigned int proc_fd(struct inode *inode) | 
|  | { | 
|  | return PROC_I(inode)->fd; | 
|  | } | 
|  |  | 
|  | #endif /* __PROCFS_FD_H__ */ |