1 /* -*- linux-c -*- --------------------------------------------------------- *
2  *
3  * linux/fs/devpts/devpts_i.h
4  *
5  *  Copyright 1998 H. Peter Anvin -- All Rights Reserved
6  *
7  * This file is part of the Linux kernel and is made available under
8  * the terms of the GNU General Public License, version 2, or at your
9  * option, any later version, incorporated herein by reference.
10  *
11  * ------------------------------------------------------------------------- */
12 
13 #include <linux/fs.h>
14 #include <linux/tty.h>
15 #include <linux/types.h>
16 
17 #define BUILDING_DEVPTS 1
18 #include <linux/devpts_fs.h>
19 
20 struct devpts_sb_info {
21 	u32 magic;
22 	int setuid;
23 	int setgid;
24 	uid_t   uid;
25 	gid_t   gid;
26 	umode_t mode;
27 
28 	unsigned int max_ptys;
29 	struct inode **inodes;
30 };
31 
32 #define DEVPTS_SUPER_MAGIC 0x1cd1
33 #define DEVPTS_SBI_MAGIC   0x01da1d02
34 
SBI(struct super_block * sb)35 extern inline struct devpts_sb_info *SBI(struct super_block *sb)
36 {
37 	return (struct devpts_sb_info *)(sb->u.generic_sbp);
38 }
39 
40 extern struct inode_operations devpts_root_inode_operations;
41 extern struct file_operations devpts_root_operations;
42