 @@ -1,285 +1,285 @@
-/*	$NetBSD: fstypes.h,v 1.33 2015/05/06 15:57:08 hannken Exp $	*/
+/*	$NetBSD: fstypes.h,v 1.34 2016/10/08 17:28:17 ast Exp $	*/
 /*
  * Copyright (c) 1989, 1991, 1993
  *	The Regents of the University of California.  All rights reserved.
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
  * 1. Redistributions of source code must retain the above copyright
  *    notice, this list of conditions and the following disclaimer.
  * 2. Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in the
  *    documentation and/or other materials provided with the distribution.
  * 3. Neither the name of the University nor the names of its contributors
  *    may be used to endorse or promote products derived from this software
  *    without specific prior written permission.
+ *
  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  * SUCH DAMAGE.
+ *
  *	@(#)mount.h	8.21 (Berkeley) 5/20/95
  */
 #ifndef _SYS_FSTYPES_H_
 #define	_SYS_FSTYPES_H_
 typedef struct { int32_t __fsid_val[2]; } fsid_t; /* file system id type */
 #if defined(_KERNEL)
 /*
  * File identifier.
  * These are unique per filesystem on a single machine.
  */
 struct fid {
 	unsigned short	fid_len;		/* length of data in bytes */
 	unsigned short	fid_reserved;		/* compat: historic align */
 	char		fid_data[0];		/* data (variable length) */
 };
 /*
  * Generic file handle
  */
 struct fhandle {
 	fsid_t	fh_fsid;	/* File system id of mount point */
 	struct	fid fh_fid;	/* File sys specific id */
 };
 typedef struct fhandle	fhandle_t;
 /*
  * FHANDLE_SIZE_MAX: arbitrary value to prevent unreasonable allocation.
+ *
  * FHANDLE_SIZE_MIN: chosen for compatibility.  smaller handles are zero-padded.
  */
 #define	FHANDLE_SIZE_COMPAT	28
 #define	FHANDLE_SIZE_MAX	1024
 #define	FHANDLE_SIZE_MIN	FHANDLE_SIZE_COMPAT
 #define	FHANDLE_FSID(fh)	(&(fh)->fh_fsid)
 #define	FHANDLE_FILEID(fh)	(&(fh)->fh_fid)
 #define	FHANDLE_SIZE_FROM_FILEID_SIZE(fidsize) \
 	MAX(FHANDLE_SIZE_MIN, (offsetof(fhandle_t, fh_fid) + (fidsize)))
 #define	FHANDLE_SIZE(fh) \
 	FHANDLE_SIZE_FROM_FILEID_SIZE(FHANDLE_FILEID(fh)->fid_len)
 #endif /* defined(_KERNEL) */
 /*
  * Mount flags.  XXX BEWARE: these are not in numerical order!
+ *
  * Unmount uses MNT_FORCE flag.
+ *
  * Note that all mount flags are listed here.  if you need to add one, take
  * one of the __MNT_UNUSED flags.
  */
 #define	__MNT_UNUSED1	0x00200000
 #define	MNT_RDONLY	0x00000001	/* read only filesystem */
 #define	MNT_SYNCHRONOUS	0x00000002	/* file system written synchronously */
 #define	MNT_NOEXEC	0x00000004	/* can't exec from filesystem */
 #define	MNT_NOSUID	0x00000008	/* don't honor setuid bits on fs */
 #define	MNT_NODEV	0x00000010	/* don't interpret special files */
 #define	MNT_UNION	0x00000020	/* union with underlying filesystem */
 #define	MNT_ASYNC	0x00000040	/* file system written asynchronously */
 #define	MNT_NOCOREDUMP	0x00008000	/* don't write core dumps to this FS */
 #define	MNT_RELATIME	0x00020000	/* only update access time if mod/ch */
 #define	MNT_IGNORE	0x00100000	/* don't show entry in df */
 #define	MNT_DISCARD	0x00800000	/* use DISCARD/TRIM if supported */
 #define	MNT_EXTATTR	0x01000000	/* enable extended attributes */
 #define	MNT_LOG		0x02000000	/* Use logging */
 #define	MNT_NOATIME	0x04000000	/* Never update access times in fs */
 #define	MNT_SYMPERM	0x20000000	/* recognize symlink permission */
 #define	MNT_NODEVMTIME	0x40000000	/* Never update mod times for devs */
 #define	MNT_SOFTDEP	0x80000000	/* Use soft dependencies */
 #define	__MNT_BASIC_FLAGS \
 	{ MNT_ASYNC,		0,	"asynchronous" }, \
 	{ MNT_DISCARD,		0,	"discard" }, \
 	{ MNT_EXTATTR,		0,	"extattr" }, \
 	{ MNT_IGNORE,		0,	"hidden" }, \
 	{ MNT_LOG,		0,	"log" }, \
 	{ MNT_NOATIME,		0,	"noatime" }, \
 	{ MNT_NOCOREDUMP,	0,	"nocoredump" }, \
 	{ MNT_NODEV,		0,	"nodev" }, \
 	{ MNT_NODEVMTIME,	0,	"nodevmtime" }, \
 	{ MNT_NOEXEC,		0,	"noexec" }, \
 	{ MNT_NOSUID,		0,	"nosuid" }, \
 	{ MNT_RDONLY,		0,	"read-only" }, \
 	{ MNT_RELATIME,		0,	"relatime" }, \
 	{ MNT_SOFTDEP,		0,	"soft dependencies" }, \
 	{ MNT_SYMPERM,		0,	"symperm" }, \
 	{ MNT_SYNCHRONOUS,	0,	"synchronous" }, \
 	{ MNT_UNION,		0,	"union" }, \
 #define MNT_BASIC_FLAGS (MNT_ASYNC | MNT_DISCARD | MNT_EXTATTR | MNT_LOG | \
     MNT_NOATIME | MNT_NOCOREDUMP | MNT_NODEV | MNT_NODEVMTIME | MNT_NOEXEC | \
     MNT_NOSUID | MNT_RDONLY | MNT_RELATIME | MNT_SOFTDEP | MNT_SYMPERM | \
     MNT_SYNCHRONOUS | MNT_UNION)
 /*
  * exported mount flags.
  */
 #define	MNT_EXRDONLY	0x00000080	/* exported read only */
 #define	MNT_EXPORTED	0x00000100	/* file system is exported */
 #define	MNT_DEFEXPORTED	0x00000200	/* exported to the world */
 #define	MNT_EXPORTANON	0x00000400	/* use anon uid mapping for everyone */
 #define	MNT_EXKERB	0x00000800	/* exported with Kerberos uid mapping */
 #define	MNT_EXNORESPORT	0x08000000	/* don't enforce reserved ports (NFS) */
 #define	MNT_EXPUBLIC	0x10000000	/* public export (WebNFS) */
 #define	__MNT_EXPORTED_FLAGS \
 	{ MNT_EXRDONLY,		1,	"exported read-only" }, \
 	{ MNT_EXPORTED,		0,	"NFS exported" }, \
 	{ MNT_DEFEXPORTED,	1,	"exported to the world" }, \
 	{ MNT_EXPORTANON,	1,	"anon uid mapping" }, \
 	{ MNT_EXKERB,		1,	"kerberos uid mapping" }, \
 	{ MNT_EXNORESPORT,	0,	"non-reserved ports" }, \
 	{ MNT_EXPUBLIC,		0,	"WebNFS exports" },
 /*
  * Flags set by internal operations.
  */
 #define	MNT_LOCAL	0x00001000	/* filesystem is stored locally */
 #define	MNT_QUOTA	0x00002000	/* quotas are enabled on filesystem */
 #define	MNT_ROOTFS	0x00004000	/* identifies the root filesystem */
 #define	__MNT_INTERNAL_FLAGS \
 	{ MNT_LOCAL,		0,	"local" }, \
 	{ MNT_QUOTA,		0,	"with quotas" }, \
 	{ MNT_ROOTFS,		1,	"root file system" },
 /*
  * Mask of flags that are visible to statvfs()
  */
 #define	MNT_VISFLAGMASK	( \
      MNT_RDONLY | \
      MNT_SYNCHRONOUS | \
      MNT_NOEXEC | \
      MNT_NOSUID | \
      MNT_NODEV | \
      MNT_UNION | \
      MNT_ASYNC | \
      MNT_NOCOREDUMP | \
      MNT_IGNORE | \
      MNT_DISCARD | \
      MNT_NOATIME | \
      MNT_SYMPERM | \
      MNT_NODEVMTIME | \
      MNT_SOFTDEP | \
      MNT_EXRDONLY | \
      MNT_EXPORTED | \
      MNT_DEFEXPORTED | \
      MNT_EXPORTANON | \
      MNT_EXKERB | \
      MNT_EXNORESPORT | \
      MNT_EXPUBLIC | \
      MNT_LOCAL | \
      MNT_QUOTA | \
      MNT_ROOTFS | \
      MNT_LOG | \
      MNT_EXTATTR)
 /*
  * External filesystem control flags.
  */
 #define	MNT_UPDATE	0x00010000	/* not a real mount, just an update */
 #define	MNT_RELOAD	0x00040000	/* reload filesystem data */
 #define	MNT_FORCE	0x00080000	/* force unmount or readonly change */
 #define	MNT_GETARGS	0x00400000	/* retrieve file system specific args */
 #define	MNT_OP_FLAGS	(MNT_UPDATE|MNT_RELOAD|MNT_FORCE|MNT_GETARGS)
 #define	__MNT_EXTERNAL_FLAGS \
 	{ MNT_UPDATE,		1,	"being updated" }, \
 	{ MNT_RELOAD,		1,	"reload filesystem data" }, \
 	{ MNT_FORCE,		1,	"force unmount or readonly change" }, \
 	{ MNT_GETARGS,		1,	"retrieve mount arguments" },
 /*
  * Internal filesystem control flags.
  * These are set in struct mount mnt_iflag.
+ *
  * IMNT_UNMOUNT locks the mount entry so that name lookup cannot proceed
  * past the mount point.  This keeps the subtree stable during mounts
  * and unmounts.
  */
 #define	IMNT_GONE	0x00000001	/* filesystem is gone.. */
 #define	IMNT_UNMOUNT	0x00000002	/* unmount in progress */
 #define	IMNT_WANTRDWR	0x00000004	/* upgrade to read/write requested */
 #define	IMNT_DTYPE	0x00000040	/* returns d_type fields */
 #define	IMNT_HAS_TRANS	0x00000080	/* supports transactions */
 #define	IMNT_MPSAFE	0x00000100	/* file system code MP safe */
 #define	IMNT_CAN_RWTORO	0x00000200	/* can downgrade fs to from rw to r/o */
 #define	IMNT_ONWORKLIST	0x00000400	/* on syncer worklist */
 #define	__MNT_FLAGS \
 	__MNT_BASIC_FLAGS \
 	__MNT_EXPORTED_FLAGS \
 	__MNT_INTERNAL_FLAGS \
 	__MNT_EXTERNAL_FLAGS
 #define	__MNT_FLAG_BITS \
 	"\20" \
 	"\40MNT_SOFTDEP" \
 	"\37MNT_NODEVMTIME" \
 	"\36MNT_SYMPERM" \
 	"\35MNT_EXPUBLIC" \
 	"\34MNT_EXNORESPORT" \
 	"\33MNT_NOATIME" \
 	"\32MNT_LOG" \
 	"\31MNT_EXTATTR" \
 	"\30MNT_DISCARD" \
 	"\27MNT_GETARGS" \
 	"\26MNT_UNUSED" \
 	"\25MNT_IGNORE" \
 	"\24MNT_FORCE" \
 	"\23MNT_RELOAD" \
 	"\22MNT_RELATIME" \
 	"\21MNT_UPDATE" \
 	"\20MNT_NOCOREDUMP" \
 	"\17MNT_ROOTFS" \
 	"\16MNT_QUOTA" \
 	"\15MNT_LOCAL" \
 	"\14MNT_EXKERB" \
 	"\13MNT_EXPORTANON" \
 	"\12MNT_DEFEXPORTED" \
 	"\11MNT_EXPORTED" \
 	"\10MNT_EXRDONLY" \
 	"\07MNT_ASYNC" \
 	"\06MNT_UNION" \
 	"\05MNT_NODEV" \
 	"\04MNT_NOSUID" \
 	"\03MNT_NOEXEC" \
 	"\02MNT_SYNCHRONOUS" \
 	"\01MNT_RDONLY"
 #define	__IMNT_FLAG_BITS \
 	"\20" \
 	"\13IMNT_ONWORKLIST" \
 	"\12IMNT_CAN_RWTORO" \
-        "\11IMNT_MPSAFE" \
+	"\11IMNT_MPSAFE" \
 	"\10IMNT_HAS_TRANS" \
 	"\07IMNT_DTYPE" \
 	"\03IMNT_WANTRDWR" \
 	"\02IMNT_UNMOUNT" \
 	"\01IMNT_GONE"
 /*
  * Flags for various system call interfaces.
+ *
  * waitfor flags to vfs_sync() and getvfsstat()
  */
 #define	MNT_WAIT	1	/* synchronously wait for I/O to complete */
 #define	MNT_NOWAIT	2	/* start all I/O, but do not wait for it */
 #define	MNT_LAZY 	3	/* push data not written by filesystem syncer */
 #endif /* _SYS_FSTYPES_H_ */