JFIF$        dd7 

Viewing File: /usr/src/kernels/5.14.0-570.30.1.el9_6.x86_64/include/uapi/linux/efs_fs_sb.h

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * efs_fs_sb.h
 *
 * Copyright (c) 1999 Al Smith
 *
 * Portions derived from IRIX header files (c) 1988 Silicon Graphics
 */

#ifndef __EFS_FS_SB_H__
#define __EFS_FS_SB_H__

#include <linux/types.h>
#include <linux/magic.h>

/* EFS superblock magic numbers */
#define EFS_MAGIC	0x072959
#define EFS_NEWMAGIC	0x07295a

#define IS_EFS_MAGIC(x)	((x == EFS_MAGIC) || (x == EFS_NEWMAGIC))

#define EFS_SUPER		1
#define EFS_ROOTINODE		2

/* efs superblock on disk */
struct efs_super {
	__be32		fs_size;        /* size of filesystem, in sectors */
	__be32		fs_firstcg;     /* bb offset to first cg */
	__be32		fs_cgfsize;     /* size of cylinder group in bb's */
	__be16		fs_cgisize;     /* bb's of inodes per cylinder group */
	__be16		fs_sectors;     /* sectors per track */
	__be16		fs_heads;       /* heads per cylinder */
	__be16		fs_ncg;         /* # of cylinder groups in filesystem */
	__be16		fs_dirty;       /* fs needs to be fsck'd */
	__be32		fs_time;        /* last super-block update */
	__be32		fs_magic;       /* magic number */
	char		fs_fname[6];    /* file system name */
	char		fs_fpack[6];    /* file system pack name */
	__be32		fs_bmsize;      /* size of bitmap in bytes */
	__be32		fs_tfree;       /* total free data blocks */
	__be32		fs_tinode;      /* total free inodes */
	__be32		fs_bmblock;     /* bitmap location. */
	__be32		fs_replsb;      /* Location of replicated superblock. */
	__be32		fs_lastialloc;  /* last allocated inode */
	char		fs_spare[20];   /* space for expansion - MUST BE ZERO */
	__be32		fs_checksum;    /* checksum of volume portion of fs */
};

/* efs superblock information in memory */
struct efs_sb_info {
	__u32	fs_magic;	/* superblock magic number */
	__u32	fs_start;	/* first block of filesystem */
	__u32	first_block;	/* first data block in filesystem */
	__u32	total_blocks;	/* total number of blocks in filesystem */
	__u32	group_size;	/* # of blocks a group consists of */ 
	__u32	data_free;	/* # of free data blocks */
	__u32	inode_free;	/* # of free inodes */
	__u16	inode_blocks;	/* # of blocks used for inodes in every grp */
	__u16	total_groups;	/* # of groups */
};

#endif /* __EFS_FS_SB_H__ */
Back to Directory  nL+D550H?Mx ,D"v]qv;6*Zqn)ZP0!1 A "#a$2Qr D8 a Ri[f\mIykIw0cuFcRı?lO7к_f˓[C$殷WF<_W ԣsKcëIzyQy/_LKℂ;C",pFA:/]=H  ~,ls/9ć:[=/#f;)x{ٛEQ )~ =𘙲r*2~ a _V=' kumFD}KYYC)({ *g&f`툪ry`=^cJ.I](*`wq1dđ#̩͑0;H]u搂@:~וKL Nsh}OIR*8:2 !lDJVo(3=M(zȰ+i*NAr6KnSl)!JJӁ* %݉?|D}d5:eP0R;{$X'xF@.ÊB {,WJuQɲRI;9QE琯62fT.DUJ;*cP A\ILNj!J۱+O\͔]ޒS߼Jȧc%ANolՎprULZԛerE2=XDXgVQeӓk yP7U*omQIs,K`)6\G3t?pgjrmۛجwluGtfh9uyP0D;Uڽ"OXlif$)&|ML0Zrm1[HXPlPR0'G=i2N+0e2]]9VTPO׮7h(F*癈'=QVZDF,d߬~TX G[`le69CR(!S2!P <0x<!1AQ "Raq02Br#SCTb ?Ζ"]mH5WR7k.ۛ!}Q~+yԏz|@T20S~Kek *zFf^2X*(@8r?CIuI|֓>^ExLgNUY+{.RѪ τV׸YTD I62'8Y27'\TP.6d&˦@Vqi|8-OΕ]ʔ U=TL8=;6c| !qfF3aů&~$l}'NWUs$Uk^SV:U# 6w++s&r+nڐ{@29 gL u"TÙM=6(^"7r}=6YݾlCuhquympǦ GjhsǜNlɻ}o7#S6aw4!OSrD57%|?x>L |/nD6?/8w#[)L7+6〼T ATg!%5MmZ/c-{1_Je"|^$'O&ޱմTrb$w)R$& N1EtdU3Uȉ1pM"N*(DNyd96.(jQ)X 5cQɎMyW?Q*!R>6=7)Xj5`J]e8%t!+'!1Q5 !1 AQaqё#2"0BRb?Gt^## .llQT $v,,m㵜5ubV =sY+@d{N! dnO<.-B;_wJt6;QJd.Qc%p{ 1,sNDdFHI0ГoXшe黅XۢF:)[FGXƹ/w_cMeD,ʡcc.WDtA$j@:) -# u c1<@ۗ9F)KJ-hpP]_x[qBlbpʖw q"LFGdƶ*s+ډ_Zc"?%t[IP 6J]#=ɺVvvCGsGh1 >)6|ey?Lӣm,4GWUi`]uJVoVDG< SB6ϏQ@ TiUlyOU0kfV~~}SZ@*WUUi##; s/[=!7}"WN]'(L! ~y5g9T̅JkbM' +s:S +B)v@Mj e Cf jE 0Y\QnzG1д~Wo{T9?`Rmyhsy3!HAD]mc1~2LSu7xT;j$`}4->L#vzŏILS ֭T{rjGKC;bpU=-`BsK.SFw4Mq]ZdHS0)tLg