autofs4: merge auto_fs.h and auto_fs4.h

The autofs module has long since been removed so there's no need to have
two separate include files for autofs.

Link: http://lkml.kernel.org/r/152626703024.28589.9571964661718767929.stgit@pluto.themaw.netSigned-off-by: Ian Kent <raven@themaw.net>
Cc: Al Viro <viro@ZenIV.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

fs/autofs4/autofs_i.h

@@ -9,7 +9,7 @@
 
 /* Internal header file for autofs */
 
-#include <linux/auto_fs4.h>
+#include <linux/auto_fs.h>
 #include <linux/auto_dev-ioctl.h>
 
 #include <linux/kernel.h>

fs/compat_ioctl.c

@@ -39,7 +39,6 @@
 #include <linux/if_pppox.h>
 #include <linux/mtio.h>
 #include <linux/auto_fs.h>
-#include <linux/auto_fs4.h>
 #include <linux/tty.h>
 #include <linux/vt_kern.h>
 #include <linux/fb.h>

include/uapi/linux/auto_fs.h

 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
 /*
  * Copyright 1997 Transmeta Corporation - All Rights Reserved
+ * Copyright 1999-2000 Jeremy Fitzhardinge <jeremy@goop.org>
+ * Copyright 2005-2006,2013,2017-2018 Ian Kent <raven@themaw.net>
  *
  * This file is part of the Linux kernel and is made available under
  * the terms of the GNU General Public License, version 2, or at your
@@ -8,7 +10,6 @@
  *
  * ----------------------------------------------------------------------- */
 
-
 #ifndef _UAPI_LINUX_AUTO_FS_H
 #define _UAPI_LINUX_AUTO_FS_H
 
@@ -18,13 +19,11 @@
 #include <sys/ioctl.h>
 #endif /* __KERNEL__ */
 
+#define AUTOFS_PROTO_VERSION		5
+#define AUTOFS_MIN_PROTO_VERSION	3
+#define AUTOFS_MAX_PROTO_VERSION	5
 
-/* This file describes autofs v3 */
-#define AUTOFS_PROTO_VERSION	3
-
-/* Range of protocol versions defined */
-#define AUTOFS_MAX_PROTO_VERSION	AUTOFS_PROTO_VERSION
-#define AUTOFS_MIN_PROTO_VERSION	AUTOFS_PROTO_VERSION
+#define AUTOFS_PROTO_SUBVERSION		2
 
 /*
  * The wait_queue_token (autofs_wqt_t) is part of a structure which is passed
@@ -76,9 +75,155 @@ enum {
 #define AUTOFS_IOC_READY        _IO(AUTOFS_IOCTL, AUTOFS_IOC_READY_CMD)
 #define AUTOFS_IOC_FAIL         _IO(AUTOFS_IOCTL, AUTOFS_IOC_FAIL_CMD)
 #define AUTOFS_IOC_CATATONIC    _IO(AUTOFS_IOCTL, AUTOFS_IOC_CATATONIC_CMD)
-#define AUTOFS_IOC_PROTOVER     _IOR(AUTOFS_IOCTL, AUTOFS_IOC_PROTOVER_CMD, int)
-#define AUTOFS_IOC_SETTIMEOUT32 _IOWR(AUTOFS_IOCTL, AUTOFS_IOC_SETTIMEOUT_CMD, compat_ulong_t)
-#define AUTOFS_IOC_SETTIMEOUT   _IOWR(AUTOFS_IOCTL, AUTOFS_IOC_SETTIMEOUT_CMD, unsigned long)
-#define AUTOFS_IOC_EXPIRE       _IOR(AUTOFS_IOCTL, AUTOFS_IOC_EXPIRE_CMD, struct autofs_packet_expire)
+#define AUTOFS_IOC_PROTOVER     _IOR(AUTOFS_IOCTL, \
+				     AUTOFS_IOC_PROTOVER_CMD, int)
+#define AUTOFS_IOC_SETTIMEOUT32 _IOWR(AUTOFS_IOCTL, \
+				      AUTOFS_IOC_SETTIMEOUT_CMD, \
+				      compat_ulong_t)
+#define AUTOFS_IOC_SETTIMEOUT   _IOWR(AUTOFS_IOCTL, \
+				      AUTOFS_IOC_SETTIMEOUT_CMD, \
+				      unsigned long)
+#define AUTOFS_IOC_EXPIRE       _IOR(AUTOFS_IOCTL, \
+				     AUTOFS_IOC_EXPIRE_CMD, \
+				     struct autofs_packet_expire)
+
+/* autofs version 4 and later definitions */
+
+/* Mask for expire behaviour */
+#define AUTOFS_EXP_IMMEDIATE		1
+#define AUTOFS_EXP_LEAVES		2
+
+#define AUTOFS_TYPE_ANY			0U
+#define AUTOFS_TYPE_INDIRECT		1U
+#define AUTOFS_TYPE_DIRECT		2U
+#define AUTOFS_TYPE_OFFSET		4U
+
+static inline void set_autofs_type_indirect(unsigned int *type)
+{
+	*type = AUTOFS_TYPE_INDIRECT;
+}
+
+static inline unsigned int autofs_type_indirect(unsigned int type)
+{
+	return (type == AUTOFS_TYPE_INDIRECT);
+}
+
+static inline void set_autofs_type_direct(unsigned int *type)
+{
+	*type = AUTOFS_TYPE_DIRECT;
+}
+
+static inline unsigned int autofs_type_direct(unsigned int type)
+{
+	return (type == AUTOFS_TYPE_DIRECT);
+}
+
+static inline void set_autofs_type_offset(unsigned int *type)
+{
+	*type = AUTOFS_TYPE_OFFSET;
+}
+
+static inline unsigned int autofs_type_offset(unsigned int type)
+{
+	return (type == AUTOFS_TYPE_OFFSET);
+}
+
+static inline unsigned int autofs_type_trigger(unsigned int type)
+{
+	return (type == AUTOFS_TYPE_DIRECT || type == AUTOFS_TYPE_OFFSET);
+}
+
+/*
+ * This isn't really a type as we use it to say "no type set" to
+ * indicate we want to search for "any" mount in the
+ * autofs_dev_ioctl_ismountpoint() device ioctl function.
+ */
+static inline void set_autofs_type_any(unsigned int *type)
+{
+	*type = AUTOFS_TYPE_ANY;
+}
+
+static inline unsigned int autofs_type_any(unsigned int type)
+{
+	return (type == AUTOFS_TYPE_ANY);
+}
+
+/* Daemon notification packet types */
+enum autofs_notify {
+	NFY_NONE,
+	NFY_MOUNT,
+	NFY_EXPIRE
+};
+
+/* Kernel protocol version 4 packet types */
+
+/* Expire entry (umount request) */
+#define autofs_ptype_expire_multi	2
+
+/* Kernel protocol version 5 packet types */
+
+/* Indirect mount missing and expire requests. */
+#define autofs_ptype_missing_indirect	3
+#define autofs_ptype_expire_indirect	4
+
+/* Direct mount missing and expire requests */
+#define autofs_ptype_missing_direct	5
+#define autofs_ptype_expire_direct	6
+
+/* v4 multi expire (via pipe) */
+struct autofs_packet_expire_multi {
+	struct autofs_packet_hdr hdr;
+	autofs_wqt_t wait_queue_token;
+	int len;
+	char name[NAME_MAX+1];
+};
+
+union autofs_packet_union {
+	struct autofs_packet_hdr hdr;
+	struct autofs_packet_missing missing;
+	struct autofs_packet_expire expire;
+	struct autofs_packet_expire_multi expire_multi;
+};
+
+/* autofs v5 common packet struct */
+struct autofs_v5_packet {
+	struct autofs_packet_hdr hdr;
+	autofs_wqt_t wait_queue_token;
+	__u32 dev;
+	__u64 ino;
+	__u32 uid;
+	__u32 gid;
+	__u32 pid;
+	__u32 tgid;
+	__u32 len;
+	char name[NAME_MAX+1];
+};
+
+typedef struct autofs_v5_packet autofs_packet_missing_indirect_t;
+typedef struct autofs_v5_packet autofs_packet_expire_indirect_t;
+typedef struct autofs_v5_packet autofs_packet_missing_direct_t;
+typedef struct autofs_v5_packet autofs_packet_expire_direct_t;
+
+union autofs_v5_packet_union {
+	struct autofs_packet_hdr hdr;
+	struct autofs_v5_packet v5_packet;
+	autofs_packet_missing_indirect_t missing_indirect;
+	autofs_packet_expire_indirect_t expire_indirect;
+	autofs_packet_missing_direct_t missing_direct;
+	autofs_packet_expire_direct_t expire_direct;
+};
+
+enum {
+	AUTOFS_IOC_EXPIRE_MULTI_CMD = 0x66, /* AUTOFS_IOC_EXPIRE_CMD + 1 */
+	AUTOFS_IOC_PROTOSUBVER_CMD,
+	AUTOFS_IOC_ASKUMOUNT_CMD = 0x70, /* AUTOFS_DEV_IOCTL_VERSION_CMD - 1 */
+};
+
+#define AUTOFS_IOC_EXPIRE_MULTI		_IOW(AUTOFS_IOCTL, \
+					     AUTOFS_IOC_EXPIRE_MULTI_CMD, int)
+#define AUTOFS_IOC_PROTOSUBVER		_IOR(AUTOFS_IOCTL, \
+					     AUTOFS_IOC_PROTOSUBVER_CMD, int)
+#define AUTOFS_IOC_ASKUMOUNT		_IOR(AUTOFS_IOCTL, \
+					     AUTOFS_IOC_ASKUMOUNT_CMD, int)
 
 #endif /* _UAPI_LINUX_AUTO_FS_H */

include/uapi/linux/auto_fs4.h

@@ -7,156 +7,9 @@
  * option, any later version, incorporated herein by reference.
  */
 
-#ifndef _LINUX_AUTO_FS4_H
-#define _LINUX_AUTO_FS4_H
+#ifndef _UAPI_LINUX_AUTO_FS4_H
+#define _UAPI_LINUX_AUTO_FS4_H
 
-/* Include common v3 definitions */
-#include <linux/types.h>
 #include <linux/auto_fs.h>
 
-/* autofs v4 definitions */
-#undef AUTOFS_PROTO_VERSION
-#undef AUTOFS_MIN_PROTO_VERSION
-#undef AUTOFS_MAX_PROTO_VERSION
-
-#define AUTOFS_PROTO_VERSION		5
-#define AUTOFS_MIN_PROTO_VERSION	3
-#define AUTOFS_MAX_PROTO_VERSION	5
-
-#define AUTOFS_PROTO_SUBVERSION		2
-
-/* Mask for expire behaviour */
-#define AUTOFS_EXP_IMMEDIATE		1
-#define AUTOFS_EXP_LEAVES		2
-
-#define AUTOFS_TYPE_ANY			0U
-#define AUTOFS_TYPE_INDIRECT		1U
-#define AUTOFS_TYPE_DIRECT		2U
-#define AUTOFS_TYPE_OFFSET		4U
-
-static inline void set_autofs_type_indirect(unsigned int *type)
-{
-	*type = AUTOFS_TYPE_INDIRECT;
-}
-
-static inline unsigned int autofs_type_indirect(unsigned int type)
-{
-	return (type == AUTOFS_TYPE_INDIRECT);
-}
-
-static inline void set_autofs_type_direct(unsigned int *type)
-{
-	*type = AUTOFS_TYPE_DIRECT;
-}
-
-static inline unsigned int autofs_type_direct(unsigned int type)
-{
-	return (type == AUTOFS_TYPE_DIRECT);
-}
-
-static inline void set_autofs_type_offset(unsigned int *type)
-{
-	*type = AUTOFS_TYPE_OFFSET;
-}
-
-static inline unsigned int autofs_type_offset(unsigned int type)
-{
-	return (type == AUTOFS_TYPE_OFFSET);
-}
-
-static inline unsigned int autofs_type_trigger(unsigned int type)
-{
-	return (type == AUTOFS_TYPE_DIRECT || type == AUTOFS_TYPE_OFFSET);
-}
-
-/*
- * This isn't really a type as we use it to say "no type set" to
- * indicate we want to search for "any" mount in the
- * autofs_dev_ioctl_ismountpoint() device ioctl function.
- */
-static inline void set_autofs_type_any(unsigned int *type)
-{
-	*type = AUTOFS_TYPE_ANY;
-}
-
-static inline unsigned int autofs_type_any(unsigned int type)
-{
-	return (type == AUTOFS_TYPE_ANY);
-}
-
-/* Daemon notification packet types */
-enum autofs_notify {
-	NFY_NONE,
-	NFY_MOUNT,
-	NFY_EXPIRE
-};
-
-/* Kernel protocol version 4 packet types */
-
-/* Expire entry (umount request) */
-#define autofs_ptype_expire_multi	2
-
-/* Kernel protocol version 5 packet types */
-
-/* Indirect mount missing and expire requests. */
-#define autofs_ptype_missing_indirect	3
-#define autofs_ptype_expire_indirect	4
-
-/* Direct mount missing and expire requests */
-#define autofs_ptype_missing_direct	5
-#define autofs_ptype_expire_direct	6
-
-/* v4 multi expire (via pipe) */
-struct autofs_packet_expire_multi {
-	struct autofs_packet_hdr hdr;
-	autofs_wqt_t wait_queue_token;
-	int len;
-	char name[NAME_MAX+1];
-};
-
-union autofs_packet_union {
-	struct autofs_packet_hdr hdr;
-	struct autofs_packet_missing missing;
-	struct autofs_packet_expire expire;
-	struct autofs_packet_expire_multi expire_multi;
-};
-
-/* autofs v5 common packet struct */
-struct autofs_v5_packet {
-	struct autofs_packet_hdr hdr;
-	autofs_wqt_t wait_queue_token;
-	__u32 dev;
-	__u64 ino;
-	__u32 uid;
-	__u32 gid;
-	__u32 pid;
-	__u32 tgid;
-	__u32 len;
-	char name[NAME_MAX+1];
-};
-
-typedef struct autofs_v5_packet autofs_packet_missing_indirect_t;
-typedef struct autofs_v5_packet autofs_packet_expire_indirect_t;
-typedef struct autofs_v5_packet autofs_packet_missing_direct_t;
-typedef struct autofs_v5_packet autofs_packet_expire_direct_t;
-
-union autofs_v5_packet_union {
-	struct autofs_packet_hdr hdr;
-	struct autofs_v5_packet v5_packet;
-	autofs_packet_missing_indirect_t missing_indirect;
-	autofs_packet_expire_indirect_t expire_indirect;
-	autofs_packet_missing_direct_t missing_direct;
-	autofs_packet_expire_direct_t expire_direct;
-};
-
-enum {
-	AUTOFS_IOC_EXPIRE_MULTI_CMD = 0x66, /* AUTOFS_IOC_EXPIRE_CMD + 1 */
-	AUTOFS_IOC_PROTOSUBVER_CMD,
-	AUTOFS_IOC_ASKUMOUNT_CMD = 0x70, /* AUTOFS_DEV_IOCTL_VERSION_CMD - 1 */
-};
-
-#define AUTOFS_IOC_EXPIRE_MULTI    _IOW(AUTOFS_IOCTL, AUTOFS_IOC_EXPIRE_MULTI_CMD, int)
-#define AUTOFS_IOC_PROTOSUBVER     _IOR(AUTOFS_IOCTL, AUTOFS_IOC_PROTOSUBVER_CMD, int)
-#define AUTOFS_IOC_ASKUMOUNT       _IOR(AUTOFS_IOCTL, AUTOFS_IOC_ASKUMOUNT_CMD, int)
-
-#endif /* _LINUX_AUTO_FS4_H */
+#endif /* _UAPI_LINUX_AUTO_FS4_H */