Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2)  * Copyright (c) 2000-2001 Christoph Hellwig.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  * Copyright (c) 2016 Krzysztof Blaszkowski
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  * All rights reserved.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6)  * Redistribution and use in source and binary forms, with or without
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7)  * modification, are permitted provided that the following conditions
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8)  * are met:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9)  * 1. Redistributions of source code must retain the above copyright
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10)  *    notice, this list of conditions, and the following disclaimer,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  *    without modification.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  * 2. The name of the author may not be used to endorse or promote products
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13)  *    derived from this software without specific prior written permission.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15)  * Alternatively, this software may be distributed under the terms of the
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16)  * GNU General Public License ("GPL").
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20)  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21)  * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22)  * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23)  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24)  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25)  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26)  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27)  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28)  * SUCH DAMAGE.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) #ifndef _VXFS_SUPER_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) #define _VXFS_SUPER_H_
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35)  * Veritas filesystem driver - superblock structure.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37)  * This file contains the definition of the disk and core
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38)  * superblocks of the Veritas Filesystem.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) #include <linux/types.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43)  * Superblock magic number (vxfs_super->vs_magic).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) #define VXFS_SUPER_MAGIC	0xa501FCF5
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48)  * The root inode.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) #define VXFS_ROOT_INO		2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53)  * Num of entries in free extent array
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) #define VXFS_NEFREE		32
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) enum vxfs_byte_order {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 	VXFS_BO_LE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) 	VXFS_BO_BE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) typedef __u16 __bitwise __fs16;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) typedef __u32 __bitwise __fs32;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) typedef __u64 __bitwise __fs64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67)  * VxFS superblock (disk).
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) struct vxfs_sb {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) 	 * Readonly fields for the version 1 superblock.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) 	 * Lots of this fields are no more used by version 2
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) 	 * and never filesystems.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 	__fs32		vs_magic;		/* Magic number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) 	__fs32		vs_version;		/* VxFS version */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 	__fs32		vs_ctime;		/* create time - secs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) 	__fs32		vs_cutime;		/* create time - usecs */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80) 	__fs32		__unused1;		/* unused */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81) 	__fs32		__unused2;		/* unused */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) 	__fs32		vs_old_logstart;	/* obsolete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	__fs32		vs_old_logend;		/* obsolete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 	__fs32		vs_bsize;		/* block size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 	__fs32		vs_size;		/* number of blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	__fs32		vs_dsize;		/* number of data blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 	__fs32		vs_old_ninode;		/* obsolete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	__fs32		vs_old_nau;		/* obsolete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	__fs32		__unused3;		/* unused */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 	__fs32		vs_old_defiextsize;	/* obsolete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	__fs32		vs_old_ilbsize;		/* obsolete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	__fs32		vs_immedlen;		/* size of immediate data area */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	__fs32		vs_ndaddr;		/* number of direct extentes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 	__fs32		vs_firstau;		/* address of first AU */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	__fs32		vs_emap;		/* offset of extent map in AU */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) 	__fs32		vs_imap;		/* offset of inode map in AU */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 	__fs32		vs_iextop;		/* offset of ExtOp. map in AU */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) 	__fs32		vs_istart;		/* offset of inode list in AU */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 	__fs32		vs_bstart;		/* offset of fdblock in AU */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) 	__fs32		vs_femap;		/* aufirst + emap */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) 	__fs32		vs_fimap;		/* aufirst + imap */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) 	__fs32		vs_fiextop;		/* aufirst + iextop */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) 	__fs32		vs_fistart;		/* aufirst + istart */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) 	__fs32		vs_fbstart;		/* aufirst + bstart */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) 	__fs32		vs_nindir;		/* number of entries in indir */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) 	__fs32		vs_aulen;		/* length of AU in blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) 	__fs32		vs_auimlen;		/* length of imap in blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) 	__fs32		vs_auemlen;		/* length of emap in blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) 	__fs32		vs_auilen;		/* length of ilist in blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) 	__fs32		vs_aupad;		/* length of pad in blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) 	__fs32		vs_aublocks;		/* data blocks in AU */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) 	__fs32		vs_maxtier;		/* log base 2 of aublocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) 	__fs32		vs_inopb;		/* number of inodes per blk */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) 	__fs32		vs_old_inopau;		/* obsolete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) 	__fs32		vs_old_inopilb;		/* obsolete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) 	__fs32		vs_old_ndiripau;	/* obsolete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 	__fs32		vs_iaddrlen;		/* size of indirect addr ext. */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) 	__fs32		vs_bshift;		/* log base 2 of bsize */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) 	__fs32		vs_inoshift;		/* log base 2 of inobp */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120) 	__fs32		vs_bmask;		/* ~( bsize - 1 ) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) 	__fs32		vs_boffmask;		/* bsize - 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) 	__fs32		vs_old_inomask;		/* old_inopilb - 1 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) 	__fs32		vs_checksum;		/* checksum of V1 data */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) 	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) 	 * Version 1, writable
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) 	__fs32		vs_free;		/* number of free blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) 	__fs32		vs_ifree;		/* number of free inodes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 	__fs32		vs_efree[VXFS_NEFREE];	/* number of free extents by size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) 	__fs32		vs_flags;		/* flags ?!? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) 	__u8		vs_mod;			/* filesystem has been changed */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) 	__u8		vs_clean;		/* clean FS */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) 	__fs16		__unused4;		/* unused */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) 	__fs32		vs_firstlogid;		/* mount time log ID */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) 	__fs32		vs_wtime;		/* last time written - sec */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) 	__fs32		vs_wutime;		/* last time written - usec */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) 	__u8		vs_fname[6];		/* FS name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) 	__u8		vs_fpack[6];		/* FS pack name */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) 	__fs32		vs_logversion;		/* log format version */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) 	__u32		__unused5;		/* unused */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 	
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144) 	 * Version 2, Read-only
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) 	__fs32		vs_oltext[2];		/* OLT extent and replica */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) 	__fs32		vs_oltsize;		/* OLT extent size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) 	__fs32		vs_iauimlen;		/* size of inode map */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) 	__fs32		vs_iausize;		/* size of IAU in blocks */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	__fs32		vs_dinosize;		/* size of inode in bytes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	__fs32		vs_old_dniaddr;		/* indir levels per inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) 	__fs32		vs_checksum2;		/* checksum of V2 RO */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) 	 * Actually much more...
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161)  * In core superblock filesystem private data for VxFS.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) struct vxfs_sb_info {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	struct vxfs_sb		*vsi_raw;	/* raw (on disk) superblock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	struct buffer_head	*vsi_bp;	/* buffer for raw superblock*/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	struct inode		*vsi_fship;	/* fileset header inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 	struct inode		*vsi_ilist;	/* inode list inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	struct inode		*vsi_stilist;	/* structural inode list inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) 	u_long			vsi_iext;	/* initial inode list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 	ino_t			vsi_fshino;	/* fileset header inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) 	daddr_t			vsi_oltext;	/* OLT extent */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 	daddr_t			vsi_oltsize;	/* OLT size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) 	enum vxfs_byte_order	byte_order;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) static inline u16 fs16_to_cpu(struct vxfs_sb_info *sbi, __fs16 a)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 	if (sbi->byte_order == VXFS_BO_BE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 		return be16_to_cpu((__force __be16)a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 		return le16_to_cpu((__force __le16)a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) static inline u32 fs32_to_cpu(struct vxfs_sb_info *sbi, __fs32 a)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	if (sbi->byte_order == VXFS_BO_BE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 		return be32_to_cpu((__force __be32)a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 		return le32_to_cpu((__force __le32)a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) static inline u64 fs64_to_cpu(struct vxfs_sb_info *sbi, __fs64 a)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) 	if (sbi->byte_order == VXFS_BO_BE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) 		return be64_to_cpu((__force __be64)a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) 	else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) 		return le64_to_cpu((__force __le64)a);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)  * File modes.  File types above 0xf000 are vxfs internal only, they should
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)  * not be passed back to higher levels of the system.  vxfs file types must
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)  * never have one of the regular file type bits set.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) enum vxfs_mode {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 	VXFS_ISUID = 0x00000800,	/* setuid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	VXFS_ISGID = 0x00000400,	/* setgid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	VXFS_ISVTX = 0x00000200,	/* sticky bit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 	VXFS_IREAD = 0x00000100,	/* read */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	VXFS_IWRITE = 0x00000080,	/* write */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	VXFS_IEXEC = 0x00000040,	/* exec */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 	VXFS_IFIFO = 0x00001000,	/* Named pipe */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 	VXFS_IFCHR = 0x00002000,	/* Character device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	VXFS_IFDIR = 0x00004000,	/* Directory */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) 	VXFS_IFNAM = 0x00005000,	/* Xenix device ?? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 	VXFS_IFBLK = 0x00006000,	/* Block device */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) 	VXFS_IFREG = 0x00008000,	/* Regular file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) 	VXFS_IFCMP = 0x00009000,	/* Compressed file ?!? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) 	VXFS_IFLNK = 0x0000a000,	/* Symlink */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) 	VXFS_IFSOC = 0x0000c000,	/* Socket */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) 	/* VxFS internal */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) 	VXFS_IFFSH = 0x10000000,	/* Fileset header */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) 	VXFS_IFILT = 0x20000000,	/* Inode list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) 	VXFS_IFIAU = 0x30000000,	/* Inode allocation unit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) 	VXFS_IFCUT = 0x40000000,	/* Current usage table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) 	VXFS_IFATT = 0x50000000,	/* Attr. inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 	VXFS_IFLCT = 0x60000000,	/* Link count table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) 	VXFS_IFIAT = 0x70000000,	/* Indirect attribute file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 	VXFS_IFEMR = 0x80000000,	/* Extent map reorg file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) 	VXFS_IFQUO = 0x90000000,	/* BSD quota file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	VXFS_IFPTI = 0xa0000000,	/* "Pass through" inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 	VXFS_IFLAB = 0x11000000,	/* Device label file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	VXFS_IFOLT = 0x12000000,	/* OLT file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	VXFS_IFLOG = 0x13000000,	/* Log file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 	VXFS_IFEMP = 0x14000000,	/* Extent map file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	VXFS_IFEAU = 0x15000000,	/* Extent AU file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	VXFS_IFAUS = 0x16000000,	/* Extent AU summary file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	VXFS_IFDEV = 0x17000000,	/* Device config file */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) #define	VXFS_TYPE_MASK		0xfffff000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) #define VXFS_IS_TYPE(ip,type)	(((ip)->vii_mode & VXFS_TYPE_MASK) == (type))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) #define VXFS_ISFIFO(x)		VXFS_IS_TYPE((x),VXFS_IFIFO)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) #define VXFS_ISCHR(x)		VXFS_IS_TYPE((x),VXFS_IFCHR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) #define VXFS_ISDIR(x)		VXFS_IS_TYPE((x),VXFS_IFDIR)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) #define VXFS_ISNAM(x)		VXFS_IS_TYPE((x),VXFS_IFNAM)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) #define VXFS_ISBLK(x)		VXFS_IS_TYPE((x),VXFS_IFBLK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) #define VXFS_ISLNK(x)		VXFS_IS_TYPE((x),VXFS_IFLNK)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) #define VXFS_ISREG(x)		VXFS_IS_TYPE((x),VXFS_IFREG)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) #define VXFS_ISCMP(x)		VXFS_IS_TYPE((x),VXFS_IFCMP)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) #define VXFS_ISSOC(x)		VXFS_IS_TYPE((x),VXFS_IFSOC)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) #define VXFS_ISFSH(x)		VXFS_IS_TYPE((x),VXFS_IFFSH)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) #define VXFS_ISILT(x)		VXFS_IS_TYPE((x),VXFS_IFILT)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)  * Inmode organisation types.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) enum {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	VXFS_ORG_NONE	= 0,	/* Inode has *no* format ?!? */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 	VXFS_ORG_EXT4	= 1,	/* Ext4 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	VXFS_ORG_IMMED	= 2,	/* All data stored in inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	VXFS_ORG_TYPED	= 3,	/* Typed extents */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) #define VXFS_IS_ORG(ip,org)	((ip)->vii_orgtype == (org))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) #define VXFS_ISNONE(ip)		VXFS_IS_ORG((ip), VXFS_ORG_NONE)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) #define VXFS_ISEXT4(ip)		VXFS_IS_ORG((ip), VXFS_ORG_EXT4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) #define VXFS_ISIMMED(ip)	VXFS_IS_ORG((ip), VXFS_ORG_IMMED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) #define VXFS_ISTYPED(ip)	VXFS_IS_ORG((ip), VXFS_ORG_TYPED)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277)  * Get filesystem private data from VFS superblock.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) #define VXFS_SBI(sbp) \
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) 	((struct vxfs_sb_info *)(sbp)->s_fs_info)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) #endif /* _VXFS_SUPER_H_ */