[thirdparty/e2fsprogs.git] / e2fsck / jfs_user.h

/*
 * Compatibility header file for e2fsck which should be included
 * instead of linux/jfs.h
 *
 * Copyright (C) 2000 Stephen C. Tweedie
 *
 * This file may be redistributed under the terms of the
 * GNU General Public License version 2 or at your discretion
 * any later version.
 */
#ifndef _JFS_USER_H
#define _JFS_USER_H

#include "config.h"

#ifdef DEBUGFS
#include <stdio.h>
#include <stdlib.h>
#if EXT2_FLAT_INCLUDES
#include "ext2_fs.h"
#include "ext2fs.h"
#include "blkid.h"
#else
#include "ext2fs/ext2_fs.h"
#include "ext2fs/ext2fs.h"
#include "blkid/blkid.h"
#endif
#else
/*
 * Pull in the definition of the e2fsck context structure
 */
#include "e2fsck.h"
#endif

#if __STDC_VERSION__ < 199901L
# if __GNUC__ >= 2 || _MSC_VER >= 1300
#  define __func__ __FUNCTION__
# else
#  define __func__ "<unknown>"
# endif
#endif

struct buffer_head {
#ifdef DEBUGFS
	ext2_filsys	b_fs;
#else
	e2fsck_t	b_ctx;
#endif
	io_channel	b_io;
	int		b_size;
	int		b_err;
	unsigned int	b_dirty:1;
	unsigned int	b_uptodate:1;
	unsigned long long b_blocknr;
	char		b_data[4096];
};

struct inode {
#ifdef DEBUGFS
	ext2_filsys	i_fs;
#else
	e2fsck_t	i_ctx;
#endif
	ext2_ino_t	i_ino;
	struct ext2_inode i_ext2;
};

struct kdev_s {
#ifdef DEBUGFS
	ext2_filsys	k_fs;
#else
	e2fsck_t	k_ctx;
#endif
	int		k_dev;
};

#define K_DEV_FS	1
#define K_DEV_JOURNAL	2

#define lock_buffer(bh) do {} while (0)
#define unlock_buffer(bh) do {} while (0)
#define buffer_req(bh) 1
#define do_readahead(journal, start) do {} while (0)

struct kmem_cache {
	unsigned int	object_size;
};

#define cond_resched()	do { } while (0)

#define __init

/*
 * Now pull in the real linux/jfs.h definitions.
 */
#include <ext2fs/kernel-jbd.h>

/*
 * We use the standard libext2fs portability tricks for inline
 * functions.
 */
#ifdef NO_INLINE_FUNCS
extern struct kmem_cache *kmem_cache_create(const char *name,
					    unsigned int size,
					    unsigned int align,
					    unsigned int flags,
					    void (*ctor)(void *));
extern void kmem_cache_destroy(struct kmem_cache *s);
extern void *kmem_cache_alloc(struct kmem_cache *cachep, gfp_t flags);
extern void kmem_cache_free(struct kmem_cache *s, void *objp);
extern void *kmalloc(size_t size, gfp_t flags);
extern void kfree(const void *objp);
extern size_t journal_tag_bytes(journal_t *journal);
extern __u32 __hash_32(__u32 val);
extern __u32 hash_32(__u32 val, unsigned int bits);
extern __u32 hash_64(__u64 val, unsigned int bits);
extern void *kmalloc_array(unsigned n, unsigned size, int flags);
extern __u32 jbd2_chksum(journal_t *j, __u32 crc, const void *address,
			 unsigned int length);
extern void jbd2_descriptor_block_csum_set(journal_t *j,
					   struct buffer_head *bh);
#endif

#if (defined(E2FSCK_INCLUDE_INLINE_FUNCS) || !defined(NO_INLINE_FUNCS))
#ifdef E2FSCK_INCLUDE_INLINE_FUNCS
#if (__STDC_VERSION__ >= 199901L)
#define _INLINE_ extern inline
#else
#define _INLINE_ inline
#endif
#else /* !E2FSCK_INCLUDE_INLINE FUNCS */
#if (__STDC_VERSION__ >= 199901L)
#define _INLINE_ inline
#else /* not C99 */
#ifdef __GNUC__
#define _INLINE_ extern __inline__
#else				/* For Watcom C */
#define _INLINE_ extern inline
#endif /* __GNUC__ */
#endif /* __STDC_VERSION__ >= 199901L */
#endif /* E2FSCK_INCLUDE_INLINE_FUNCS */

_INLINE_ struct kmem_cache *
kmem_cache_create(const char *name EXT2FS_ATTR((unused)),
		  unsigned int size,
		  unsigned int align EXT2FS_ATTR((unused)),
		  unsigned int flags EXT2FS_ATTR((unused)),
		  void (*ctor)(void *) EXT2FS_ATTR((unused)))
{
	struct kmem_cache *new_cache;

	new_cache = malloc(sizeof(*new_cache));
	if (new_cache)
		new_cache->object_size = size;
	return new_cache;
}

_INLINE_ void kmem_cache_destroy(struct kmem_cache *s)
{
	free(s);
}

_INLINE_ void *kmem_cache_alloc(struct kmem_cache *cachep,
				gfp_t flags EXT2FS_ATTR((unused)))
{
	return malloc(cachep->object_size);
}

_INLINE_ void kmem_cache_free(struct kmem_cache *s EXT2FS_ATTR((unused)),
			      void *objp)
{
	free(objp);
}

_INLINE_ void *kmalloc(size_t size, gfp_t flags EXT2FS_ATTR((unused)))
{
	return malloc(size);
}

_INLINE_ void kfree(const void *objp)
{
#ifdef HAVE_INTPTR_T
	/*
	 * Work around a botch in the C standard, which triggers
	 * compiler warnings.  For better or for worse, the kernel
	 * uses const void * for kfree, while the C standard mandates
	 * the use of void *.  See: https://yarchive.net/comp/const.html
	 */
	free((void *)(intptr_t)objp);
#else
	free((void *)objp);
#endif
}

/* generic hashing taken from the Linux kernel */
#define GOLDEN_RATIO_32 0x61C88647
#define GOLDEN_RATIO_64 0x61C8864680B583EBull

_INLINE_ __u32 __hash_32(__u32 val)
{
	return val * GOLDEN_RATIO_32;
}

_INLINE_ __u32 hash_32(__u32 val, unsigned int bits)
{
	/* High bits are more random, so use them. */
	return __hash_32(val) >> (32 - bits);
}

_INLINE_ __u32 hash_64(__u64 val, unsigned int bits)
{
	if (sizeof(long) >= 8) {
		/* 64x64-bit multiply is efficient on all 64-bit processors */
		return val * GOLDEN_RATIO_64 >> (64 - bits);
	} else {
		/* Hash 64 bits using only 32x32-bit multiply. */
		return hash_32((__u32)val ^ __hash_32(val >> 32), bits);
	}
}

_INLINE_ void *kmalloc_array(unsigned n, unsigned size,
			     int flags EXT2FS_ATTR((unused)))
{
	if (n && (~0U)/n < size)
		return NULL;
	return malloc(n * size);
}

_INLINE_ __u32 jbd2_chksum(journal_t *j EXT2FS_ATTR((unused)),
			   __u32 crc, const void *address,
			   unsigned int length)
{
	return ext2fs_crc32c_le(crc, address, length);
}

_INLINE_ void jbd2_descriptor_block_csum_set(journal_t *j,
					     struct buffer_head *bh)
{
	struct jbd2_journal_block_tail *tail;
	__u32 csum;

	if (!jbd2_journal_has_csum_v2or3(j))
		return;

	tail = (struct jbd2_journal_block_tail *)(bh->b_data + j->j_blocksize -
			sizeof(struct jbd2_journal_block_tail));
	tail->t_checksum = 0;
	csum = jbd2_chksum(j, j->j_csum_seed, bh->b_data, j->j_blocksize);
	tail->t_checksum = cpu_to_be32(csum);
}
#undef _INLINE_
#endif

/*
 * Kernel compatibility functions are defined in journal.c
 */
int jbd2_journal_bmap(journal_t *journal, unsigned long block,
		      unsigned long long *phys);
struct buffer_head *getblk(kdev_t ctx, unsigned long long blocknr,
			   int blocksize);
int sync_blockdev(kdev_t kdev);
void ll_rw_block(int rw, int op_flags, int nr, struct buffer_head *bh[]);
void mark_buffer_dirty(struct buffer_head *bh);
void mark_buffer_uptodate(struct buffer_head *bh, int val);
void brelse(struct buffer_head *bh);
int buffer_uptodate(struct buffer_head *bh);
void wait_on_buffer(struct buffer_head *bh);

/*
 * Define newer 2.5 interfaces
 */
#define __getblk(dev, blocknr, blocksize) getblk(dev, blocknr, blocksize)
#define set_buffer_uptodate(bh) mark_buffer_uptodate(bh, 1)

#ifdef DEBUGFS
#include <assert.h>
#undef J_ASSERT
#define J_ASSERT(x)	assert(x)

#define JSB_HAS_INCOMPAT_FEATURE(jsb, mask)				\
	((jsb)->s_header.h_blocktype == ext2fs_cpu_to_be32(JBD2_SUPERBLOCK_V2) &&	\
	 ((jsb)->s_feature_incompat & ext2fs_cpu_to_be32((mask))))
#else  /* !DEBUGFS */

extern e2fsck_t e2fsck_global_ctx;  /* Try your very best not to use this! */

#define J_ASSERT(assert)						\
	do { if (!(assert)) {						\
		printf ("Assertion failure in %s() at %s line %d: "	\
			"\"%s\"\n",					\
			__func__, __FILE__, __LINE__, # assert);	\
		fatal_error(e2fsck_global_ctx, 0);			\
	} } while (0)

#endif /* DEBUGFS */

#ifndef EFSBADCRC
#define EFSBADCRC	EXT2_ET_BAD_CRC
#endif
#ifndef EFSCORRUPTED
#define EFSCORRUPTED	EXT2_ET_FILESYSTEM_CORRUPTED
#endif

/* recovery.c */
extern int	jbd2_journal_recover    (journal_t *journal);
extern int	jbd2_journal_skip_recovery (journal_t *);

/* revoke.c */
extern int	jbd2_journal_init_revoke(journal_t *, int);
extern void	jbd2_journal_destroy_revoke(journal_t *);
extern void	jbd2_journal_destroy_revoke_record_cache(void);
extern void	jbd2_journal_destroy_revoke_table_cache(void);
extern int	jbd2_journal_init_revoke_record_cache(void);
extern int	jbd2_journal_init_revoke_table_cache(void);


extern int	jbd2_journal_set_revoke(journal_t *, unsigned long long, tid_t);
extern int	jbd2_journal_test_revoke(journal_t *, unsigned long long, tid_t);
extern void	jbd2_journal_clear_revoke(journal_t *);

#endif /* _JFS_USER_H */
Commit	Line	Data
cc7067b4 TT	1	/*
	2	* Compatibility header file for e2fsck which should be included
	3	* instead of linux/jfs.h
	4	*
	5	* Copyright (C) 2000 Stephen C. Tweedie
	6	*
	7	* This file may be redistributed under the terms of the
	8	* GNU General Public License version 2 or at your discretion
	9	* any later version.
	10	*/
759c46cf DW	11	#ifndef _JFS_USER_H
	12	#define _JFS_USER_H
	13
1950b654 CC	14	#include "config.h"
1950b654 CC	15
759c46cf	16	#ifdef DEBUGFS
cbe867f0 TT	17	#include <stdio.h>
cbe867f0 TT	18	#include <stdlib.h>
759c46cf DW	19	#if EXT2_FLAT_INCLUDES
	20	#include "ext2_fs.h"
	21	#include "ext2fs.h"
	22	#include "blkid.h"
	23	#else
	24	#include "ext2fs/ext2_fs.h"
	25	#include "ext2fs/ext2fs.h"
	26	#include "blkid/blkid.h"
	27	#endif
	28	#else
cc7067b4 TT	29	/*
	30	* Pull in the definition of the e2fsck context structure
	31	*/
0e8a9560	32	#include "e2fsck.h"
759c46cf	33	#endif
cc7067b4	34
ac3256fd TT	35	#if __STDC_VERSION__ < 199901L
	36	# if __GNUC__ >= 2 \|\| _MSC_VER >= 1300
	37	# define __func__ __FUNCTION__
	38	# else
	39	# define __func__ "<unknown>"
	40	# endif
	41	#endif
	42
cc7067b4	43	struct buffer_head {
759c46cf DW	44	#ifdef DEBUGFS
	45	ext2_filsys b_fs;
	46	#else
8cf93332	47	e2fsck_t b_ctx;
759c46cf DW	48	#endif
	49	io_channel b_io;
	50	int b_size;
759c46cf	51	int b_err;
c4d54aa2 TT	52	unsigned int b_dirty:1;
	53	unsigned int b_uptodate:1;
	54	unsigned long long b_blocknr;
865221f5	55	char b_data[4096];
cc7067b4 TT	56	};
	57
	58	struct inode {
759c46cf DW	59	#ifdef DEBUGFS
	60	ext2_filsys i_fs;
	61	#else
86c627ec	62	e2fsck_t i_ctx;
759c46cf	63	#endif
86c627ec	64	ext2_ino_t i_ino;
cc7067b4 TT	65	struct ext2_inode i_ext2;
	66	};
	67
8cf93332	68	struct kdev_s {
759c46cf DW	69	#ifdef DEBUGFS
	70	ext2_filsys k_fs;
	71	#else
8cf93332	72	e2fsck_t k_ctx;
759c46cf	73	#endif
8cf93332 TT	74	int k_dev;
8cf93332 TT	75	};
cc7067b4	76
8cf93332 TT	77	#define K_DEV_FS 1
	78	#define K_DEV_JOURNAL 2
	79
759c46cf DW	80	#define lock_buffer(bh) do {} while (0)
759c46cf DW	81	#define unlock_buffer(bh) do {} while (0)
cc7067b4	82	#define buffer_req(bh) 1
759c46cf	83	#define do_readahead(journal, start) do {} while (0)
cc7067b4	84
013e5d86 EB	85	struct kmem_cache {
	86	unsigned int object_size;
	87	};
cc7067b4	88
e5ea6b14 TT	89	#define cond_resched() do { } while (0)
e5ea6b14 TT	90
185c4aea TT	91	#define __init
	92
	93	/*
	94	* Now pull in the real linux/jfs.h definitions.
	95	*/
	96	#include <ext2fs/kernel-jbd.h>
	97
2acad6b4 TT	98	/*
2acad6b4 TT	99	* We use the standard libext2fs portability tricks for inline
efc6f628	100	* functions.
2acad6b4	101	*/
ab3f5c5a	102	#ifdef NO_INLINE_FUNCS
013e5d86 EB	103	extern struct kmem_cache kmem_cache_create(const char name,
	104	unsigned int size,
	105	unsigned int align,
	106	unsigned int flags,
	107	void (ctor)(void ));
	108	extern void kmem_cache_destroy(struct kmem_cache *s);
	109	extern void kmem_cache_alloc(struct kmem_cache cachep, gfp_t flags);
	110	extern void kmem_cache_free(struct kmem_cache s, void objp);
	111	extern void *kmalloc(size_t size, gfp_t flags);
	112	extern void kfree(const void *objp);
2acad6b4	113	extern size_t journal_tag_bytes(journal_t *journal);
ac3256fd TT	114	extern __u32 __hash_32(__u32 val);
	115	extern __u32 hash_32(__u32 val, unsigned int bits);
	116	extern __u32 hash_64(__u64 val, unsigned int bits);
d55f8b8c TT	117	extern void *kmalloc_array(unsigned n, unsigned size, int flags);
	118	extern __u32 jbd2_chksum(journal_t j, __u32 crc, const void address,
	119	unsigned int length);
	120	extern void jbd2_descriptor_block_csum_set(journal_t *j,
	121	struct buffer_head *bh);
ab3f5c5a	122	#endif
efc6f628	123
53ef44c4 TT	124	#if (defined(E2FSCK_INCLUDE_INLINE_FUNCS) \|\| !defined(NO_INLINE_FUNCS))
53ef44c4 TT	125	#ifdef E2FSCK_INCLUDE_INLINE_FUNCS
ab3f5c5a TT	126	#if (__STDC_VERSION__ >= 199901L)
ab3f5c5a TT	127	#define _INLINE_ extern inline
53ef44c4	128	#else
ab3f5c5a TT	129	#define _INLINE_ inline
	130	#endif
	131	#else /* !E2FSCK_INCLUDE_INLINE FUNCS */
	132	#if (__STDC_VERSION__ >= 199901L)
	133	#define _INLINE_ inline
	134	#else /* not C99 */
53ef44c4 TT	135	#ifdef __GNUC__
	136	#define _INLINE_ extern __inline__
	137	#else /* For Watcom C */
	138	#define _INLINE_ extern inline
ab3f5c5a TT	139	#endif /* __GNUC__ */
	140	#endif /* __STDC_VERSION__ >= 199901L */
	141	#endif /* E2FSCK_INCLUDE_INLINE_FUNCS */
	142
013e5d86 EB	143	_INLINE_ struct kmem_cache *
	144	kmem_cache_create(const char *name EXT2FS_ATTR((unused)),
	145	unsigned int size,
	146	unsigned int align EXT2FS_ATTR((unused)),
	147	unsigned int flags EXT2FS_ATTR((unused)),
	148	void (ctor)(void ) EXT2FS_ATTR((unused)))
cc7067b4	149	{
013e5d86	150	struct kmem_cache *new_cache;
759c46cf	151
cc7067b4 TT	152	new_cache = malloc(sizeof(*new_cache));
cc7067b4 TT	153	if (new_cache)
013e5d86	154	new_cache->object_size = size;
cc7067b4 TT	155	return new_cache;
	156	}
	157
013e5d86 EB	158	_INLINE_ void kmem_cache_destroy(struct kmem_cache *s)
	159	{
	160	free(s);
	161	}
	162
	163	_INLINE_ void kmem_cache_alloc(struct kmem_cache cachep,
	164	gfp_t flags EXT2FS_ATTR((unused)))
	165	{
	166	return malloc(cachep->object_size);
	167	}
	168
	169	_INLINE_ void kmem_cache_free(struct kmem_cache *s EXT2FS_ATTR((unused)),
	170	void *objp)
	171	{
	172	free(objp);
	173	}
	174
	175	_INLINE_ void *kmalloc(size_t size, gfp_t flags EXT2FS_ATTR((unused)))
	176	{
	177	return malloc(size);
	178	}
	179
	180	_INLINE_ void kfree(const void *objp)
8cf93332	181	{
d6ed2479 TT	182	#ifdef HAVE_INTPTR_T
	183	/*
	184	* Work around a botch in the C standard, which triggers
	185	* compiler warnings. For better or for worse, the kernel
	186	* uses const void * for kfree, while the C standard mandates
	187	* the use of void *. See: https://yarchive.net/comp/const.html
	188	*/
	189	free((void *)(intptr_t)objp);
	190	#else
013e5d86	191	free((void *)objp);
d6ed2479	192	#endif
8cf93332	193	}
8cf93332	194
c8ca2397 TT	195	/* generic hashing taken from the Linux kernel */
	196	#define GOLDEN_RATIO_32 0x61C88647
	197	#define GOLDEN_RATIO_64 0x61C8864680B583EBull
	198
	199	_INLINE_ __u32 __hash_32(__u32 val)
	200	{
	201	return val * GOLDEN_RATIO_32;
	202	}
	203
	204	_INLINE_ __u32 hash_32(__u32 val, unsigned int bits)
	205	{
	206	/* High bits are more random, so use them. */
	207	return __hash_32(val) >> (32 - bits);
	208	}
	209
	210	_INLINE_ __u32 hash_64(__u64 val, unsigned int bits)
	211	{
	212	if (sizeof(long) >= 8) {
	213	/* 64x64-bit multiply is efficient on all 64-bit processors */
	214	return val * GOLDEN_RATIO_64 >> (64 - bits);
	215	} else {
	216	/* Hash 64 bits using only 32x32-bit multiply. */
	217	return hash_32((__u32)val ^ __hash_32(val >> 32), bits);
	218	}
	219	}
	220
d55f8b8c TT	221	_INLINE_ void *kmalloc_array(unsigned n, unsigned size,
	222	int flags EXT2FS_ATTR((unused)))
	223	{
	224	if (n && (~0U)/n < size)
	225	return NULL;
	226	return malloc(n * size);
	227	}
	228
	229	_INLINE_ __u32 jbd2_chksum(journal_t *j EXT2FS_ATTR((unused)),
	230	__u32 crc, const void *address,
	231	unsigned int length)
	232	{
	233	return ext2fs_crc32c_le(crc, address, length);
	234	}
	235
	236	_INLINE_ void jbd2_descriptor_block_csum_set(journal_t *j,
	237	struct buffer_head *bh)
	238	{
	239	struct jbd2_journal_block_tail *tail;
	240	__u32 csum;
	241
	242	if (!jbd2_journal_has_csum_v2or3(j))
	243	return;
	244
	245	tail = (struct jbd2_journal_block_tail *)(bh->b_data + j->j_blocksize -
	246	sizeof(struct jbd2_journal_block_tail));
	247	tail->t_checksum = 0;
	248	csum = jbd2_chksum(j, j->j_csum_seed, bh->b_data, j->j_blocksize);
	249	tail->t_checksum = cpu_to_be32(csum);
	250	}
185c4aea TT	251	#undef _INLINE_
185c4aea TT	252	#endif
8cf93332 TT	253
	254	/*
	255	* Kernel compatibility functions are defined in journal.c
	256	*/
4305084d	257	int jbd2_journal_bmap(journal_t *journal, unsigned long block,
8335d3c5	258	unsigned long long *phys);
4305084d TT	259	struct buffer_head *getblk(kdev_t ctx, unsigned long long blocknr,
4305084d TT	260	int blocksize);
13af4b93	261	int sync_blockdev(kdev_t kdev);
db113c0e	262	void ll_rw_block(int rw, int op_flags, int nr, struct buffer_head *bh[]);
8cf93332 TT	263	void mark_buffer_dirty(struct buffer_head *bh);
	264	void mark_buffer_uptodate(struct buffer_head *bh, int val);
	265	void brelse(struct buffer_head *bh);
	266	int buffer_uptodate(struct buffer_head *bh);
	267	void wait_on_buffer(struct buffer_head *bh);
3de085dd TT	268
	269	/*
	270	* Define newer 2.5 interfaces
	271	*/
	272	#define __getblk(dev, blocknr, blocksize) getblk(dev, blocknr, blocksize)
	273	#define set_buffer_uptodate(bh) mark_buffer_uptodate(bh, 1)
759c46cf DW	274
	275	#ifdef DEBUGFS
	276	#include <assert.h>
	277	#undef J_ASSERT
	278	#define J_ASSERT(x) assert(x)
	279
	280	#define JSB_HAS_INCOMPAT_FEATURE(jsb, mask) \
8335d3c5	281	((jsb)->s_header.h_blocktype == ext2fs_cpu_to_be32(JBD2_SUPERBLOCK_V2) && \
759c46cf	282	((jsb)->s_feature_incompat & ext2fs_cpu_to_be32((mask))))
759c46cf DW	283	#else /* !DEBUGFS */
	284
	285	extern e2fsck_t e2fsck_global_ctx; /* Try your very best not to use this! */
	286
	287	#define J_ASSERT(assert) \
	288	do { if (!(assert)) { \
	289	printf ("Assertion failure in %s() at %s line %d: " \
	290	"\"%s\"\n", \
ac3256fd	291	__func__, __FILE__, __LINE__, # assert); \
759c46cf DW	292	fatal_error(e2fsck_global_ctx, 0); \
	293	} } while (0)
	294
	295	#endif /* DEBUGFS */
	296
b4f02c9f	297	#ifndef EFSBADCRC
b41a4ffa	298	#define EFSBADCRC EXT2_ET_BAD_CRC
b4f02c9f TT	299	#endif
b4f02c9f TT	300	#ifndef EFSCORRUPTED
b41a4ffa	301	#define EFSCORRUPTED EXT2_ET_FILESYSTEM_CORRUPTED
b4f02c9f TT	302	#endif
b4f02c9f TT	303
81f95d43	304	/* recovery.c */
8335d3c5 TT	305	extern int jbd2_journal_recover (journal_t *journal);
8335d3c5 TT	306	extern int jbd2_journal_skip_recovery (journal_t *);
81f95d43 TT	307
81f95d43 TT	308	/* revoke.c */
8335d3c5 TT	309	extern int jbd2_journal_init_revoke(journal_t *, int);
8335d3c5 TT	310	extern void jbd2_journal_destroy_revoke(journal_t *);
2faf75d2 TT	311	extern void jbd2_journal_destroy_revoke_record_cache(void);
	312	extern void jbd2_journal_destroy_revoke_table_cache(void);
	313	extern int jbd2_journal_init_revoke_record_cache(void);
	314	extern int jbd2_journal_init_revoke_table_cache(void);
	315
8335d3c5 TT	316
	317	extern int jbd2_journal_set_revoke(journal_t *, unsigned long long, tid_t);
	318	extern int jbd2_journal_test_revoke(journal_t *, unsigned long long, tid_t);
	319	extern void jbd2_journal_clear_revoke(journal_t *);
81f95d43	320
759c46cf	321	#endif /* _JFS_USER_H */