FM / linux

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/uapi/linux/

/usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/uapi/linux

Name	Size	Mode	Actions
android/	-	0755	rm
byteorder/	-	0755	rm
caif/	-	0755	rm
can/	-	0755	rm
cifs/	-	0755	rm
dvb/	-	0755	rm
genwqe/	-	0755	rm
hdlc/	-	0755	rm
hsi/	-	0755	rm
iio/	-	0755	rm
isdn/	-	0755	rm
mmc/	-	0755	rm
netfilter/	-	0755	rm
netfilter_arp/	-	0755	rm
netfilter_bridge/	-	0755	rm
netfilter_ipv4/	-	0755	rm
netfilter_ipv6/	-	0755	rm
nfsd/	-	0755	rm
raid/	-	0755	rm
sched/	-	0755	rm
spi/	-	0755	rm
sunrpc/	-	0755	rm
tc_act/	-	0755	rm
tc_ematch/	-	0755	rm
usb/	-	0755	rm
wimax/	-	0755	rm
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audit.h	20409	0644	edit dl rm
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blkpg.h	953	0644	edit dl rm
blktrace_api.h	4716	0644	edit dl rm
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bpfilter.h	480	0644	edit dl rm
bpf_common.h	1382	0644	edit dl rm
bpf_perf_event.h	544	0644	edit dl rm
bpqether.h	981	0644	edit dl rm
bsg.h	2509	0644	edit dl rm
bt-bmc.h	587	0644	edit dl rm
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capability.h	13576	0644	edit dl rm
capi.h	3157	0644	edit dl rm
cciss_defs.h	3281	0644	edit dl rm
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cdrom.h	28902	0644	edit dl rm
cec-funcs.h	53293	0644	edit dl rm
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cfm_bridge.h	1466	0644	edit dl rm
cgroupstats.h	2219	0644	edit dl rm
chio.h	5351	0644	edit dl rm
close_range.h	392	0644	edit dl rm
cm4000_cs.h	1821	0644	edit dl rm
cn_proc.h	3471	0644	edit dl rm
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coda_psdev.h	798	0644	edit dl rm
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connector.h	2268	0644	edit dl rm
const.h	803	0644	edit dl rm
coresight-stm.h	674	0644	edit dl rm
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cuda.h	920	0644	edit dl rm
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dlm.h	2568	0644	edit dl rm
dlmconstants.h	5080	0644	edit dl rm
dlm_device.h	2599	0644	edit dl rm
dlm_netlink.h	1159	0644	edit dl rm
dlm_plock.h	909	0644	edit dl rm
dm-ioctl.h	11400	0644	edit dl rm
dm-log-userspace.h	15191	0644	edit dl rm
dma-buf.h	5247	0644	edit dl rm
dn.h	4642	0644	edit dl rm
dqblk_xfs.h	9245	0644	edit dl rm
edd.h	5619	0644	edit dl rm
efs_fs_sb.h	2227	0644	edit dl rm
elf-em.h	2187	0644	edit dl rm
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elf.h	13486	0644	edit dl rm
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erspan.h	1074	0644	edit dl rm
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fdreg.h	5420	0644	edit dl rm
fib_rules.h	2036	0644	edit dl rm
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filter.h	2265	0644	edit dl rm
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firewire-constants.h	3231	0644	edit dl rm
flat.h	2163	0644	edit dl rm
fou.h	709	0644	edit dl rm
fpga-dfl.h	8743	0644	edit dl rm
fs.h	13511	0644	edit dl rm
fsl_hypervisor.h	7316	0644	edit dl rm
fsmap.h	4385	0644	edit dl rm
fuse.h	23529	0644	edit dl rm
futex.h	5049	0644	edit dl rm
gameport.h	912	0644	edit dl rm
genetlink.h	2190	0644	edit dl rm
gen_stats.h	1526	0644	edit dl rm
gfs2_ondisk.h	14739	0644	edit dl rm
gigaset_dev.h	1442	0644	edit dl rm
gpio.h	6766	0644	edit dl rm
gsmmux.h	1041	0644	edit dl rm
gtp.h	696	0644	edit dl rm
hash_info.h	936	0644	edit dl rm
hdlc.h	652	0644	edit dl rm
hdlcdrv.h	2923	0644	edit dl rm
hdreg.h	22945	0644	edit dl rm
hid.h	1916	0644	edit dl rm
hiddev.h	6360	0644	edit dl rm
hidraw.h	2008	0644	edit dl rm
hpet.h	785	0644	edit dl rm
hsr_netlink.h	1081	0644	edit dl rm
hw_breakpoint.h	757	0644	edit dl rm
hyperv.h	11167	0644	edit dl rm
hysdn_if.h	1382	0644	edit dl rm
i2c-dev.h	2668	0644	edit dl rm
i2c.h	7147	0644	edit dl rm
i2o-dev.h	11646	0644	edit dl rm
i8k.h	1528	0644	edit dl rm
icmp.h	2990	0644	edit dl rm
icmpv6.h	4053	0644	edit dl rm
idxd.h	8461	0644	edit dl rm
if.h	10984	0644	edit dl rm
ife.h	351	0644	edit dl rm
if_addr.h	1912	0644	edit dl rm
if_addrlabel.h	721	0644	edit dl rm
if_alg.h	946	0644	edit dl rm
if_arcnet.h	3717	0644	edit dl rm
if_arp.h	6592	0644	edit dl rm
if_bonding.h	5291	0644	edit dl rm
if_bridge.h	19529	0644	edit dl rm
if_cablemodem.h	986	0644	edit dl rm
if_eql.h	1364	0644	edit dl rm
if_ether.h	8263	0644	edit dl rm
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if_ltalk.h	225	0644	edit dl rm
if_macsec.h	5847	0644	edit dl rm
if_packet.h	7919	0644	edit dl rm
if_phonet.h	439	0644	edit dl rm
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if_ppp.h	29	0644	edit dl rm
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if_slip.h	872	0644	edit dl rm
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if_tunnel.h	4535	0644	edit dl rm
if_vlan.h	1846	0644	edit dl rm
if_x25.h	881	0644	edit dl rm
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igmp.h	3079	0644	edit dl rm
ila.h	1261	0644	edit dl rm
in.h	10137	0644	edit dl rm
in6.h	7453	0644	edit dl rm
inet_diag.h	4687	0644	edit dl rm
inotify.h	3307	0644	edit dl rm
input-event-codes.h	28616	0644	edit dl rm
input.h	16033	0644	edit dl rm
in_route.h	936	0644	edit dl rm
ioctl.h	163	0644	edit dl rm
iommu.h	4919	0644	edit dl rm
io_uring.h	6207	0644	edit dl rm
ip.h	4826	0644	edit dl rm
ip6_tunnel.h	1953	0644	edit dl rm
ipc.h	2123	0644	edit dl rm
ipmi.h	15505	0644	edit dl rm
ipmi_bmc.h	479	0644	edit dl rm
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ipmi_ssif_bmc.h	456	0644	edit dl rm
ipsec.h	947	0644	edit dl rm
ipv6.h	3982	0644	edit dl rm
ipv6_route.h	1923	0644	edit dl rm
ipx.h	2347	0644	edit dl rm
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irqnr.h	104	0644	edit dl rm
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iso_fs.h	6485	0644	edit dl rm
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ivtv.h	3063	0644	edit dl rm
ivtvfb.h	1241	0644	edit dl rm
jffs2.h	7018	0644	edit dl rm
joystick.h	3449	0644	edit dl rm
Kbuild	352	0644	edit dl rm
kcm.h	822	0644	edit dl rm
kcmp.h	537	0644	edit dl rm
kcov.h	1099	0644	edit dl rm
kd.h	6316	0644	edit dl rm
kdev_t.h	441	0644	edit dl rm
kernel-page-flags.h	915	0644	edit dl rm
kernel.h	453	0644	edit dl rm
kernelcapi.h	1034	0644	edit dl rm
kexec.h	1893	0644	edit dl rm
keyboard.h	12798	0644	edit dl rm
keyctl.h	3514	0644	edit dl rm
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pci.h	1395	0644	edit dl rm
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pci_regs.h	57827	0644	edit dl rm
perf_event.h	40595	0644	edit dl rm
personality.h	2112	0644	edit dl rm
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phantom.h	1654	0644	edit dl rm
phonet.h	4640	0644	edit dl rm
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serio.h	2052	0644	edit dl rm
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signal.h	403	0644	edit dl rm
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sonet.h	2305	0644	edit dl rm
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string.h	296	0644	edit dl rm
suspend_ioctls.h	1431	0644	edit dl rm
swab.h	7018	0644	edit dl rm
switchtec_ioctl.h	5272	0644	edit dl rm
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sysinfo.h	1049	0644	edit dl rm
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taskstats.h	7180	0644	edit dl rm
tcp.h	9935	0644	edit dl rm
tcp_metrics.h	1549	0644	edit dl rm
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Edit: /usr/src/kernels/4.18.0-553.121.1.el8_10.x86_64/include/uapi/linux/gfs2_ondisk.h (14739B)

/* SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note */
/*
 * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
 * Copyright (C) 2004-2006 Red Hat, Inc.  All rights reserved.
 *
 * This copyrighted material is made available to anyone wishing to use,
 * modify, copy, or redistribute it subject to the terms and conditions
 * of the GNU General Public License v.2.
 */

#ifndef __GFS2_ONDISK_DOT_H__
#define __GFS2_ONDISK_DOT_H__

#include <linux/types.h>

#define GFS2_MAGIC		0x01161970
#define GFS2_BASIC_BLOCK	512
#define GFS2_BASIC_BLOCK_SHIFT	9

/* Lock numbers of the LM_TYPE_NONDISK type */

#define GFS2_MOUNT_LOCK		0
#define GFS2_LIVE_LOCK		1
#define GFS2_FREEZE_LOCK	2
#define GFS2_RENAME_LOCK	3
#define GFS2_CONTROL_LOCK	4
#define GFS2_MOUNTED_LOCK	5

/* Format numbers for various metadata types */

#define GFS2_FORMAT_NONE	0
#define GFS2_FORMAT_SB		100
#define GFS2_FORMAT_RG		200
#define GFS2_FORMAT_RB		300
#define GFS2_FORMAT_DI		400
#define GFS2_FORMAT_IN		500
#define GFS2_FORMAT_LF		600
#define GFS2_FORMAT_JD		700
#define GFS2_FORMAT_LH		800
#define GFS2_FORMAT_LD		900
#define GFS2_FORMAT_LB		1000
#define GFS2_FORMAT_EA		1600
#define GFS2_FORMAT_ED		1700
#define GFS2_FORMAT_QC		1400
/* These are format numbers for entities contained in files */
#define GFS2_FORMAT_RI		1100
#define GFS2_FORMAT_DE		1200
#define GFS2_FORMAT_QU		1500
/* These are part of the superblock */
#define GFS2_FORMAT_FS		1801
#define GFS2_FORMAT_MULTI	1900

/*
 * An on-disk inode number
 */

struct gfs2_inum {
	__be64 no_formal_ino;
	__be64 no_addr;
};

/*
 * Generic metadata head structure
 * Every inplace buffer logged in the journal must start with this.
 */

#define GFS2_METATYPE_NONE	0
#define GFS2_METATYPE_SB	1
#define GFS2_METATYPE_RG	2
#define GFS2_METATYPE_RB	3
#define GFS2_METATYPE_DI	4
#define GFS2_METATYPE_IN	5
#define GFS2_METATYPE_LF	6
#define GFS2_METATYPE_JD	7
#define GFS2_METATYPE_LH	8
#define GFS2_METATYPE_LD	9
#define GFS2_METATYPE_LB	12
#define GFS2_METATYPE_EA	10
#define GFS2_METATYPE_ED	11
#define GFS2_METATYPE_QC	14

struct gfs2_meta_header {
	__be32 mh_magic;
	__be32 mh_type;
	__be64 __pad0;		/* Was generation number in gfs1 */
	__be32 mh_format;
	/* This union is to keep userspace happy */
	union {
		__be32 mh_jid;		/* Was incarnation number in gfs1 */
		__be32 __pad1;
	};
};

/*
 * super-block structure
 *
 * It's probably good if SIZEOF_SB <= GFS2_BASIC_BLOCK (512 bytes)
 *
 * Order is important, need to be able to read old superblocks to do on-disk
 * version upgrades.
 */

/* Address of superblock in GFS2 basic blocks */
#define GFS2_SB_ADDR		128

/* The lock number for the superblock (must be zero) */
#define GFS2_SB_LOCK		0

/* Requirement:  GFS2_LOCKNAME_LEN % 8 == 0
   Includes: the fencing zero at the end */
#define GFS2_LOCKNAME_LEN	64

struct gfs2_sb {
	struct gfs2_meta_header sb_header;

__be32 sb_fs_format;
	__be32 sb_multihost_format;
	__u32  __pad0;	/* Was superblock flags in gfs1 */

__be32 sb_bsize;
	__be32 sb_bsize_shift;
	__u32 __pad1;	/* Was journal segment size in gfs1 */

struct gfs2_inum sb_master_dir; /* Was jindex dinode in gfs1 */
	struct gfs2_inum __pad2; /* Was rindex dinode in gfs1 */
	struct gfs2_inum sb_root_dir;

char sb_lockproto[GFS2_LOCKNAME_LEN];
	char sb_locktable[GFS2_LOCKNAME_LEN];

struct gfs2_inum __pad3; /* Was quota inode in gfs1 */
	struct gfs2_inum __pad4; /* Was licence inode in gfs1 */
#define GFS2_HAS_UUID 1
	__u8 sb_uuid[16]; /* The UUID, maybe 0 for backwards compat */
};

/*
 * resource index structure
 */

struct gfs2_rindex {
	__be64 ri_addr;	/* grp block disk address */
	__be32 ri_length;	/* length of rgrp header in fs blocks */
	__u32 __pad;

__be64 ri_data0;	/* first data location */
	__be32 ri_data;	/* num of data blocks in rgrp */

__be32 ri_bitbytes;	/* number of bytes in data bitmaps */

__u8 ri_reserved[64];
};

/*
 * resource group header structure
 */

/* Number of blocks per byte in rgrp */
#define GFS2_NBBY		4
#define GFS2_BIT_SIZE		2
#define GFS2_BIT_MASK		0x00000003

#define GFS2_BLKST_FREE		0
#define GFS2_BLKST_USED		1
#define GFS2_BLKST_UNLINKED	2
#define GFS2_BLKST_DINODE	3

#define GFS2_RGF_JOURNAL	0x00000001
#define GFS2_RGF_METAONLY	0x00000002
#define GFS2_RGF_DATAONLY	0x00000004
#define GFS2_RGF_NOALLOC	0x00000008
#define GFS2_RGF_TRIMMED	0x00000010

struct gfs2_inode_lvb {
	__be32 ri_magic;
	__be32 __pad;
	__be64 ri_generation_deleted;
};

struct gfs2_rgrp_lvb {
	__be32 rl_magic;
	__be32 rl_flags;
	__be32 rl_free;
	__be32 rl_dinodes;
	__be64 rl_igeneration;
	__be32 rl_unlinked;
	__be32 __pad;
};

struct gfs2_rgrp {
	struct gfs2_meta_header rg_header;

__be32 rg_flags;
	__be32 rg_free;
	__be32 rg_dinodes;
	union {
		__be32 __pad;
		__be32 rg_skip; /* Distance to the next rgrp in fs blocks */
	};
	__be64 rg_igeneration;
	/* The following 3 fields are duplicated from gfs2_rindex to reduce
	   reliance on the rindex */
	__be64 rg_data0;     /* First data location */
	__be32 rg_data;      /* Number of data blocks in rgrp */
	__be32 rg_bitbytes;  /* Number of bytes in data bitmaps */
	__be32 rg_crc;       /* crc32 of the structure with this field 0 */

__u8 rg_reserved[60]; /* Several fields from gfs1 now reserved */
};

/*
 * quota structure
 */

struct gfs2_quota {
	__be64 qu_limit;
	__be64 qu_warn;
	__be64 qu_value;
	__u8 qu_reserved[64];
};

/*
 * dinode structure
 */

#define GFS2_MAX_META_HEIGHT	10
#define GFS2_DIR_MAX_DEPTH	17

#define DT2IF(dt) (((dt) << 12) & S_IFMT)
#define IF2DT(sif) (((sif) & S_IFMT) >> 12)

enum {
	gfs2fl_Jdata		= 0,
	gfs2fl_ExHash		= 1,
	gfs2fl_Unused		= 2,
	gfs2fl_EaIndirect	= 3,
	gfs2fl_Directio		= 4,
	gfs2fl_Immutable	= 5,
	gfs2fl_AppendOnly	= 6,
	gfs2fl_NoAtime		= 7,
	gfs2fl_Sync		= 8,
	gfs2fl_System		= 9,
	gfs2fl_TopLevel		= 10,
	gfs2fl_TruncInProg	= 29,
	gfs2fl_InheritDirectio	= 30,
	gfs2fl_InheritJdata	= 31,
};

/* Dinode flags */
#define GFS2_DIF_JDATA			0x00000001
#define GFS2_DIF_EXHASH			0x00000002
#define GFS2_DIF_UNUSED			0x00000004  /* only in gfs1 */
#define GFS2_DIF_EA_INDIRECT		0x00000008
#define GFS2_DIF_DIRECTIO		0x00000010
#define GFS2_DIF_IMMUTABLE		0x00000020
#define GFS2_DIF_APPENDONLY		0x00000040
#define GFS2_DIF_NOATIME		0x00000080
#define GFS2_DIF_SYNC			0x00000100
#define GFS2_DIF_SYSTEM			0x00000200 /* New in gfs2 */
#define GFS2_DIF_TOPDIR			0x00000400 /* New in gfs2 */
#define GFS2_DIF_TRUNC_IN_PROG		0x20000000 /* New in gfs2 */
#define GFS2_DIF_INHERIT_DIRECTIO	0x40000000 /* only in gfs1 */
#define GFS2_DIF_INHERIT_JDATA		0x80000000

struct gfs2_dinode {
	struct gfs2_meta_header di_header;

struct gfs2_inum di_num;

__be32 di_mode;	/* mode of file */
	__be32 di_uid;	/* owner's user id */
	__be32 di_gid;	/* owner's group id */
	__be32 di_nlink;	/* number of links to this file */
	__be64 di_size;	/* number of bytes in file */
	__be64 di_blocks;	/* number of blocks in file */
	__be64 di_atime;	/* time last accessed */
	__be64 di_mtime;	/* time last modified */
	__be64 di_ctime;	/* time last changed */
	__be32 di_major;	/* device major number */
	__be32 di_minor;	/* device minor number */

/* This section varies from gfs1. Padding added to align with
         * remainder of dinode
	 */
	__be64 di_goal_meta;	/* rgrp to alloc from next */
	__be64 di_goal_data;	/* data block goal */
	__be64 di_generation;	/* generation number for NFS */

__be32 di_flags;	/* GFS2_DIF_... */
	__be32 di_payload_format;  /* GFS2_FORMAT_... */
	__u16 __pad1;	/* Was ditype in gfs1 */
	__be16 di_height;	/* height of metadata */
	__u32 __pad2;	/* Unused incarnation number from gfs1 */

/* These only apply to directories  */
	__u16 __pad3;	/* Padding */
	__be16 di_depth;	/* Number of bits in the table */
	__be32 di_entries;	/* The number of entries in the directory */

struct gfs2_inum __pad4; /* Unused even in current gfs1 */

__be64 di_eattr;	/* extended attribute block number */
	__be32 di_atime_nsec;   /* nsec portion of atime */
	__be32 di_mtime_nsec;   /* nsec portion of mtime */
	__be32 di_ctime_nsec;   /* nsec portion of ctime */

__u8 di_reserved[44];
};

/*
 * directory structure - many of these per directory file
 */

#define GFS2_FNAMESIZE		255
#define GFS2_DIRENT_SIZE(name_len) ((sizeof(struct gfs2_dirent) + (name_len) + 7) & ~7)
#define GFS2_MIN_DIRENT_SIZE (GFS2_DIRENT_SIZE(1))

struct gfs2_dirent {
	struct gfs2_inum de_inum;
	__be32 de_hash;
	__be16 de_rec_len;
	__be16 de_name_len;
	__be16 de_type;
	__be16 de_rahead;
	union {
		__u8 __pad[12];
		struct {
			__u32 de_cookie; /* ondisk value not used */
			__u8 pad3[8];
		};
	};
};

/*
 * Header of leaf directory nodes
 */

struct gfs2_leaf {
	struct gfs2_meta_header lf_header;

__be16 lf_depth;		/* Depth of leaf */
	__be16 lf_entries;		/* Number of dirents in leaf */
	__be32 lf_dirent_format;	/* Format of the dirents */
	__be64 lf_next;			/* Next leaf, if overflow */

union {
		__u8 lf_reserved[64];
		struct {
			__be64 lf_inode;	/* Dir inode number */
			__be32 lf_dist;		/* Dist from inode on chain */
			__be32 lf_nsec;		/* Last ins/del usecs */
			__be64 lf_sec;		/* Last ins/del in secs */
			__u8 lf_reserved2[40];
		};
	};
};

/*
 * Extended attribute header format
 *
 * This works in a similar way to dirents. There is a fixed size header
 * followed by a variable length section made up of the name and the
 * associated data. In the case of a "stuffed" entry, the value is
 * inline directly after the name, the ea_num_ptrs entry will be
 * zero in that case. For non-"stuffed" entries, there will be
 * a set of pointers (aligned to 8 byte boundary) to the block(s)
 * containing the value.
 *
 * The blocks containing the values and the blocks containing the
 * extended attribute headers themselves all start with the common
 * metadata header. Each inode, if it has extended attributes, will
 * have either a single block containing the extended attribute headers
 * or a single indirect block pointing to blocks containing the
 * extended attribute headers.
 *
 * The maximum size of the data part of an extended attribute is 64k
 * so the number of blocks required depends upon block size. Since the
 * block size also determines the number of pointers in an indirect
 * block, its a fairly complicated calculation to work out the maximum
 * number of blocks that an inode may have relating to extended attributes.
 *
 */

#define GFS2_EA_MAX_NAME_LEN	255
#define GFS2_EA_MAX_DATA_LEN	65536

#define GFS2_EATYPE_UNUSED	0
#define GFS2_EATYPE_USR		1
#define GFS2_EATYPE_SYS		2
#define GFS2_EATYPE_SECURITY	3

#define GFS2_EATYPE_LAST	3
#define GFS2_EATYPE_VALID(x)	((x) <= GFS2_EATYPE_LAST)

#define GFS2_EAFLAG_LAST	0x01	/* last ea in block */

struct gfs2_ea_header {
	__be32 ea_rec_len;
	__be32 ea_data_len;
	__u8 ea_name_len;	/* no NULL pointer after the string */
	__u8 ea_type;		/* GFS2_EATYPE_... */
	__u8 ea_flags;		/* GFS2_EAFLAG_... */
	__u8 ea_num_ptrs;
	__u32 __pad;
};

/*
 * Log header structure
 */

#define GFS2_LOG_HEAD_UNMOUNT		0x00000001 /* log is clean */
#define GFS2_LOG_HEAD_FLUSH_NORMAL	0x00000002 /* normal log flush */
#define GFS2_LOG_HEAD_FLUSH_SYNC	0x00000004 /* Sync log flush */
#define GFS2_LOG_HEAD_FLUSH_SHUTDOWN	0x00000008 /* Shutdown log flush */
#define GFS2_LOG_HEAD_FLUSH_FREEZE	0x00000010 /* Freeze flush */
#define GFS2_LOG_HEAD_RECOVERY		0x00000020 /* Journal recovery */
#define GFS2_LOG_HEAD_USERSPACE		0x80000000 /* Written by gfs2-utils */

/* Log flush callers */
#define GFS2_LFC_SHUTDOWN		0x00000100
#define GFS2_LFC_JDATA_WPAGES		0x00000200
#define GFS2_LFC_SET_FLAGS		0x00000400
#define GFS2_LFC_AIL_EMPTY_GL		0x00000800
#define GFS2_LFC_AIL_FLUSH		0x00001000
#define GFS2_LFC_RGRP_GO_SYNC		0x00002000
#define GFS2_LFC_INODE_GO_SYNC		0x00004000
#define GFS2_LFC_INODE_GO_INVAL		0x00008000
#define GFS2_LFC_FREEZE_GO_SYNC		0x00010000
#define GFS2_LFC_KILL_SB		0x00020000
#define GFS2_LFC_DO_SYNC		0x00040000
#define GFS2_LFC_INPLACE_RESERVE	0x00080000
#define GFS2_LFC_WRITE_INODE		0x00100000
#define GFS2_LFC_MAKE_FS_RO		0x00200000
#define GFS2_LFC_SYNC_FS		0x00400000
#define GFS2_LFC_EVICT_INODE		0x00800000
#define GFS2_LFC_TRANS_END		0x01000000
#define GFS2_LFC_LOGD_JFLUSH_REQD	0x02000000
#define GFS2_LFC_LOGD_AIL_FLUSH_REQD	0x04000000

#define LH_V1_SIZE (offsetofend(struct gfs2_log_header, lh_hash))

struct gfs2_log_header {
	struct gfs2_meta_header lh_header;

__be64 lh_sequence;	/* Sequence number of this transaction */
	__be32 lh_flags;	/* GFS2_LOG_HEAD_... */
	__be32 lh_tail;		/* Block number of log tail */
	__be32 lh_blkno;
	__be32 lh_hash;		/* crc up to here with this field 0 */

/* Version 2 additional fields start here */
	__be32 lh_crc;		/* crc32c from lh_nsec to end of block */
	__be32 lh_nsec;		/* Nanoseconds of timestamp */
	__be64 lh_sec;		/* Seconds of timestamp */
	__be64 lh_addr;		/* Block addr of this log header (absolute) */
	__be64 lh_jinode;	/* Journal inode number */
	__be64 lh_statfs_addr;	/* Local statfs inode number */
	__be64 lh_quota_addr;	/* Local quota change inode number */

/* Statfs local changes (i.e. diff from global statfs) */
	__be64 lh_local_total;
	__be64 lh_local_free;
	__be64 lh_local_dinodes;
};

/*
 * Log type descriptor
 */

#define GFS2_LOG_DESC_METADATA	300
/* ld_data1 is the number of metadata blocks in the descriptor.
   ld_data2 is unused. */

#define GFS2_LOG_DESC_REVOKE	301
/* ld_data1 is the number of revoke blocks in the descriptor.
   ld_data2 is unused. */

#define GFS2_LOG_DESC_JDATA	302
/* ld_data1 is the number of data blocks in the descriptor.
   ld_data2 is unused. */

struct gfs2_log_descriptor {
	struct gfs2_meta_header ld_header;

__be32 ld_type;		/* GFS2_LOG_DESC_... */
	__be32 ld_length;	/* Number of buffers in this chunk */
	__be32 ld_data1;	/* descriptor-specific field */
	__be32 ld_data2;	/* descriptor-specific field */

__u8 ld_reserved[32];
};

/*
 * Inum Range
 * Describe a range of formal inode numbers allocated to
 * one machine to assign to inodes.
 */

#define GFS2_INUM_QUANTUM	1048576

struct gfs2_inum_range {
	__be64 ir_start;
	__be64 ir_length;
};

/*
 * Statfs change
 * Describes an change to the pool of free and allocated
 * blocks.
 */

struct gfs2_statfs_change {
	__be64 sc_total;
	__be64 sc_free;
	__be64 sc_dinodes;
};

/*
 * Quota change
 * Describes an allocation change for a particular
 * user or group.
 */

#define GFS2_QCF_USER		0x00000001

struct gfs2_quota_change {
	__be64 qc_change;
	__be32 qc_flags;	/* GFS2_QCF_... */
	__be32 qc_id;
};

struct gfs2_quota_lvb {
        __be32 qb_magic;
        __u32 __pad;
        __be64 qb_limit;      /* Hard limit of # blocks to alloc */
        __be64 qb_warn;       /* Warn user when alloc is above this # */
        __be64 qb_value;       /* Current # blocks allocated */
};

#endif /* __GFS2_ONDISK_DOT_H__ */

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