[mirror_ubuntu-zesty-kernel.git] / fs / xfs / xfs_trans.h

/*
 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
 * All Rights Reserved.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License as
 * published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it would be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write the Free Software Foundation,
 * Inc.,  51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
 */
#ifndef	__XFS_TRANS_H__
#define	__XFS_TRANS_H__

/* kernel only transaction subsystem defines */

struct xfs_buf;
struct xfs_buftarg;
struct xfs_efd_log_item;
struct xfs_efi_log_item;
struct xfs_inode;
struct xfs_item_ops;
struct xfs_log_iovec;
struct xfs_log_item_desc;
struct xfs_mount;
struct xfs_trans;
struct xfs_trans_res;
struct xfs_dquot_acct;
struct xfs_busy_extent;

typedef struct xfs_log_item {
	struct list_head		li_ail;		/* AIL pointers */
	xfs_lsn_t			li_lsn;		/* last on-disk lsn */
	struct xfs_log_item_desc	*li_desc;	/* ptr to current desc*/
	struct xfs_mount		*li_mountp;	/* ptr to fs mount */
	struct xfs_ail			*li_ailp;	/* ptr to AIL */
	uint				li_type;	/* item type */
	uint				li_flags;	/* misc flags */
	struct xfs_log_item		*li_bio_list;	/* buffer item list */
	void				(*li_cb)(struct xfs_buf *,
						 struct xfs_log_item *);
							/* buffer item iodone */
							/* callback func */
	const struct xfs_item_ops	*li_ops;	/* function list */

	/* delayed logging */
	struct list_head		li_cil;		/* CIL pointers */
	struct xfs_log_vec		*li_lv;		/* active log vector */
	struct xfs_log_vec		*li_lv_shadow;	/* standby vector */
	xfs_lsn_t			li_seq;		/* CIL commit seq */
} xfs_log_item_t;

#define	XFS_LI_IN_AIL	0x1
#define XFS_LI_ABORTED	0x2

#define XFS_LI_FLAGS \
	{ XFS_LI_IN_AIL,	"IN_AIL" }, \
	{ XFS_LI_ABORTED,	"ABORTED" }

struct xfs_item_ops {
	void (*iop_size)(xfs_log_item_t *, int *, int *);
	void (*iop_format)(xfs_log_item_t *, struct xfs_log_vec *);
	void (*iop_pin)(xfs_log_item_t *);
	void (*iop_unpin)(xfs_log_item_t *, int remove);
	uint (*iop_push)(struct xfs_log_item *, struct list_head *);
	void (*iop_unlock)(xfs_log_item_t *);
	xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t);
	void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
};

void	xfs_log_item_init(struct xfs_mount *mp, struct xfs_log_item *item,
			  int type, const struct xfs_item_ops *ops);

/*
 * Return values for the iop_push() routines.
 */
#define XFS_ITEM_SUCCESS	0
#define XFS_ITEM_PINNED		1
#define XFS_ITEM_LOCKED		2
#define XFS_ITEM_FLUSHING	3


/*
 * This is the structure maintained for every active transaction.
 */
typedef struct xfs_trans {
	unsigned int		t_magic;	/* magic number */
	unsigned int		t_log_res;	/* amt of log space resvd */
	unsigned int		t_log_count;	/* count for perm log res */
	unsigned int		t_blk_res;	/* # of blocks resvd */
	unsigned int		t_blk_res_used;	/* # of resvd blocks used */
	unsigned int		t_rtx_res;	/* # of rt extents resvd */
	unsigned int		t_rtx_res_used;	/* # of resvd rt extents used */
	struct xlog_ticket	*t_ticket;	/* log mgr ticket */
	xfs_lsn_t		t_lsn;		/* log seq num of start of
						 * transaction. */
	xfs_lsn_t		t_commit_lsn;	/* log seq num of end of
						 * transaction. */
	struct xfs_mount	*t_mountp;	/* ptr to fs mount struct */
	struct xfs_dquot_acct   *t_dqinfo;	/* acctg info for dquots */
	unsigned int		t_flags;	/* misc flags */
	int64_t			t_icount_delta;	/* superblock icount change */
	int64_t			t_ifree_delta;	/* superblock ifree change */
	int64_t			t_fdblocks_delta; /* superblock fdblocks chg */
	int64_t			t_res_fdblocks_delta; /* on-disk only chg */
	int64_t			t_frextents_delta;/* superblock freextents chg*/
	int64_t			t_res_frextents_delta; /* on-disk only chg */
#if defined(DEBUG) || defined(XFS_WARN)
	int64_t			t_ag_freeblks_delta; /* debugging counter */
	int64_t			t_ag_flist_delta; /* debugging counter */
	int64_t			t_ag_btree_delta; /* debugging counter */
#endif
	int64_t			t_dblocks_delta;/* superblock dblocks change */
	int64_t			t_agcount_delta;/* superblock agcount change */
	int64_t			t_imaxpct_delta;/* superblock imaxpct change */
	int64_t			t_rextsize_delta;/* superblock rextsize chg */
	int64_t			t_rbmblocks_delta;/* superblock rbmblocks chg */
	int64_t			t_rblocks_delta;/* superblock rblocks change */
	int64_t			t_rextents_delta;/* superblocks rextents chg */
	int64_t			t_rextslog_delta;/* superblocks rextslog chg */
	struct list_head	t_items;	/* log item descriptors */
	struct list_head	t_busy;		/* list of busy extents */
	unsigned long		t_pflags;	/* saved process flags state */
} xfs_trans_t;

/*
 * XFS transaction mechanism exported interfaces that are
 * actually macros.
 */
#define	xfs_trans_set_sync(tp)		((tp)->t_flags |= XFS_TRANS_SYNC)

#if defined(DEBUG) || defined(XFS_WARN)
#define	xfs_trans_agblocks_delta(tp, d)	((tp)->t_ag_freeblks_delta += (int64_t)d)
#define	xfs_trans_agflist_delta(tp, d)	((tp)->t_ag_flist_delta += (int64_t)d)
#define	xfs_trans_agbtree_delta(tp, d)	((tp)->t_ag_btree_delta += (int64_t)d)
#else
#define	xfs_trans_agblocks_delta(tp, d)
#define	xfs_trans_agflist_delta(tp, d)
#define	xfs_trans_agbtree_delta(tp, d)
#endif

/*
 * XFS transaction mechanism exported interfaces.
 */
int		xfs_trans_alloc(struct xfs_mount *mp, struct xfs_trans_res *resp,
			uint blocks, uint rtextents, uint flags,
			struct xfs_trans **tpp);
void		xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);

struct xfs_buf	*xfs_trans_get_buf_map(struct xfs_trans *tp,
				       struct xfs_buftarg *target,
				       struct xfs_buf_map *map, int nmaps,
				       uint flags);

static inline struct xfs_buf *
xfs_trans_get_buf(
	struct xfs_trans	*tp,
	struct xfs_buftarg	*target,
	xfs_daddr_t		blkno,
	int			numblks,
	uint			flags)
{
	DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
	return xfs_trans_get_buf_map(tp, target, &map, 1, flags);
}

int		xfs_trans_read_buf_map(struct xfs_mount *mp,
				       struct xfs_trans *tp,
				       struct xfs_buftarg *target,
				       struct xfs_buf_map *map, int nmaps,
				       xfs_buf_flags_t flags,
				       struct xfs_buf **bpp,
				       const struct xfs_buf_ops *ops);

static inline int
xfs_trans_read_buf(
	struct xfs_mount	*mp,
	struct xfs_trans	*tp,
	struct xfs_buftarg	*target,
	xfs_daddr_t		blkno,
	int			numblks,
	xfs_buf_flags_t		flags,
	struct xfs_buf		**bpp,
	const struct xfs_buf_ops *ops)
{
	DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
	return xfs_trans_read_buf_map(mp, tp, target, &map, 1,
				      flags, bpp, ops);
}

struct xfs_buf	*xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int);

void		xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *);
void		xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *);
void		xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *);
void		xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *);
void		xfs_trans_binval(xfs_trans_t *, struct xfs_buf *);
void		xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *);
void		xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *);
void		xfs_trans_ordered_buf(xfs_trans_t *, struct xfs_buf *);
void		xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint);
void		xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *);
void		xfs_trans_ichgtime(struct xfs_trans *, struct xfs_inode *, int);
void		xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *, uint);
void		xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint);
void		xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint);

void		xfs_extent_free_init_defer_op(void);
struct xfs_efd_log_item	*xfs_trans_get_efd(struct xfs_trans *,
				  struct xfs_efi_log_item *,
				  uint);
int		xfs_trans_free_extent(struct xfs_trans *,
				      struct xfs_efd_log_item *, xfs_fsblock_t,
				      xfs_extlen_t, struct xfs_owner_info *);
int		xfs_trans_commit(struct xfs_trans *);
int		__xfs_trans_roll(struct xfs_trans **, struct xfs_inode *, int *);
int		xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
void		xfs_trans_cancel(xfs_trans_t *);
int		xfs_trans_ail_init(struct xfs_mount *);
void		xfs_trans_ail_destroy(struct xfs_mount *);

void		xfs_trans_buf_set_type(struct xfs_trans *, struct xfs_buf *,
				       enum xfs_blft);
void		xfs_trans_buf_copy_type(struct xfs_buf *dst_bp,
					struct xfs_buf *src_bp);

extern kmem_zone_t	*xfs_trans_zone;
extern kmem_zone_t	*xfs_log_item_desc_zone;

#endif	/* __XFS_TRANS_H__ */
Commit	Line	Data
1da177e4	1	/*
7b718769 NS	2	* Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
7b718769 NS	3	* All Rights Reserved.
1da177e4	4	*
7b718769 NS	5	* This program is free software; you can redistribute it and/or
7b718769 NS	6	* modify it under the terms of the GNU General Public License as
1da177e4 LT	7	* published by the Free Software Foundation.
1da177e4 LT	8	*
7b718769 NS	9	* This program is distributed in the hope that it would be useful,
	10	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	11	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	12	* GNU General Public License for more details.
1da177e4	13	*
7b718769 NS	14	* You should have received a copy of the GNU General Public License
	15	* along with this program; if not, write the Free Software Foundation,
	16	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
1da177e4 LT	17	*/
	18	#ifndef __XFS_TRANS_H__
	19	#define __XFS_TRANS_H__
	20
7fd36c44	21	/* kernel only transaction subsystem defines */
847fff5c BN	22
	23	struct xfs_buf;
	24	struct xfs_buftarg;
	25	struct xfs_efd_log_item;
	26	struct xfs_efi_log_item;
	27	struct xfs_inode;
	28	struct xfs_item_ops;
	29	struct xfs_log_iovec;
	30	struct xfs_log_item_desc;
	31	struct xfs_mount;
	32	struct xfs_trans;
3d3c8b52	33	struct xfs_trans_res;
847fff5c	34	struct xfs_dquot_acct;
ed3b4d6c	35	struct xfs_busy_extent;
847fff5c BN	36
	37	typedef struct xfs_log_item {
	38	struct list_head li_ail; /* AIL pointers */
	39	xfs_lsn_t li_lsn; /* last on-disk lsn */
	40	struct xfs_log_item_desc li_desc; / ptr to current desc*/
	41	struct xfs_mount li_mountp; / ptr to fs mount */
fc1829f3	42	struct xfs_ail li_ailp; / ptr to AIL */
847fff5c BN	43	uint li_type; /* item type */
	44	uint li_flags; /* misc flags */
	45	struct xfs_log_item li_bio_list; / buffer item list */
	46	void (li_cb)(struct xfs_buf ,
	47	struct xfs_log_item *);
	48	/* buffer item iodone */
	49	/* callback func */
272e42b2	50	const struct xfs_item_ops li_ops; / function list */
71e330b5 DC	51
	52	/* delayed logging */
	53	struct list_head li_cil; /* CIL pointers */
	54	struct xfs_log_vec li_lv; / active log vector */
b1c5ebb2	55	struct xfs_log_vec li_lv_shadow; / standby vector */
ccf7c23f	56	xfs_lsn_t li_seq; /* CIL commit seq */
847fff5c BN	57	} xfs_log_item_t;
	58
	59	#define XFS_LI_IN_AIL 0x1
	60	#define XFS_LI_ABORTED 0x2
	61
0b1b213f CH	62	#define XFS_LI_FLAGS \
	63	{ XFS_LI_IN_AIL, "IN_AIL" }, \
	64	{ XFS_LI_ABORTED, "ABORTED" }
	65
272e42b2	66	struct xfs_item_ops {
166d1368	67	void (iop_size)(xfs_log_item_t , int , int );
bde7cff6	68	void (iop_format)(xfs_log_item_t , struct xfs_log_vec *);
847fff5c	69	void (iop_pin)(xfs_log_item_t );
9412e318	70	void (iop_unpin)(xfs_log_item_t , int remove);
43ff2122	71	uint (iop_push)(struct xfs_log_item , struct list_head *);
847fff5c BN	72	void (iop_unlock)(xfs_log_item_t );
847fff5c BN	73	xfs_lsn_t (iop_committed)(xfs_log_item_t , xfs_lsn_t);
847fff5c	74	void (iop_committing)(xfs_log_item_t , xfs_lsn_t);
272e42b2	75	};
847fff5c	76
239880ef DC	77	void xfs_log_item_init(struct xfs_mount mp, struct xfs_log_item item,
	78	int type, const struct xfs_item_ops *ops);
	79
847fff5c	80	/*
904c17e6	81	* Return values for the iop_push() routines.
847fff5c	82	*/
43ff2122 CH	83	#define XFS_ITEM_SUCCESS 0
	84	#define XFS_ITEM_PINNED 1
	85	#define XFS_ITEM_LOCKED 2
	86	#define XFS_ITEM_FLUSHING 3
847fff5c	87
239880ef	88
847fff5c BN	89	/*
	90	* This is the structure maintained for every active transaction.
	91	*/
	92	typedef struct xfs_trans {
	93	unsigned int t_magic; /* magic number */
847fff5c BN	94	unsigned int t_log_res; /* amt of log space resvd */
	95	unsigned int t_log_count; /* count for perm log res */
	96	unsigned int t_blk_res; /* # of blocks resvd */
	97	unsigned int t_blk_res_used; /* # of resvd blocks used */
	98	unsigned int t_rtx_res; /* # of rt extents resvd */
	99	unsigned int t_rtx_res_used; /* # of resvd rt extents used */
35a8a72f	100	struct xlog_ticket t_ticket; / log mgr ticket */
847fff5c BN	101	xfs_lsn_t t_lsn; /* log seq num of start of
	102	* transaction. */
	103	xfs_lsn_t t_commit_lsn; /* log seq num of end of
	104	* transaction. */
	105	struct xfs_mount t_mountp; / ptr to fs mount struct */
	106	struct xfs_dquot_acct t_dqinfo; / acctg info for dquots */
847fff5c BN	107	unsigned int t_flags; /* misc flags */
	108	int64_t t_icount_delta; /* superblock icount change */
	109	int64_t t_ifree_delta; /* superblock ifree change */
	110	int64_t t_fdblocks_delta; /* superblock fdblocks chg */
	111	int64_t t_res_fdblocks_delta; /* on-disk only chg */
	112	int64_t t_frextents_delta;/* superblock freextents chg*/
	113	int64_t t_res_frextents_delta; /* on-disk only chg */
742ae1e3	114	#if defined(DEBUG) \|\| defined(XFS_WARN)
847fff5c BN	115	int64_t t_ag_freeblks_delta; /* debugging counter */
	116	int64_t t_ag_flist_delta; /* debugging counter */
	117	int64_t t_ag_btree_delta; /* debugging counter */
	118	#endif
	119	int64_t t_dblocks_delta;/* superblock dblocks change */
	120	int64_t t_agcount_delta;/* superblock agcount change */
	121	int64_t t_imaxpct_delta;/* superblock imaxpct change */
	122	int64_t t_rextsize_delta;/* superblock rextsize chg */
	123	int64_t t_rbmblocks_delta;/* superblock rbmblocks chg */
	124	int64_t t_rblocks_delta;/* superblock rblocks change */
	125	int64_t t_rextents_delta;/* superblocks rextents chg */
	126	int64_t t_rextslog_delta;/* superblocks rextslog chg */
e98c414f	127	struct list_head t_items; /* log item descriptors */
ed3b4d6c	128	struct list_head t_busy; /* list of busy extents */
847fff5c BN	129	unsigned long t_pflags; /* saved process flags state */
	130	} xfs_trans_t;
	131
1da177e4 LT	132	/*
	133	* XFS transaction mechanism exported interfaces that are
	134	* actually macros.
	135	*/
1da177e4 LT	136	#define xfs_trans_set_sync(tp) ((tp)->t_flags \|= XFS_TRANS_SYNC)
1da177e4 LT	137
742ae1e3	138	#if defined(DEBUG) \|\| defined(XFS_WARN)
20f4ebf2 DC	139	#define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d)
	140	#define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d)
	141	#define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d)
1da177e4 LT	142	#else
	143	#define xfs_trans_agblocks_delta(tp, d)
	144	#define xfs_trans_agflist_delta(tp, d)
	145	#define xfs_trans_agbtree_delta(tp, d)
	146	#endif
	147
	148	/*
	149	* XFS transaction mechanism exported interfaces.
	150	*/
253f4911 CH	151	int xfs_trans_alloc(struct xfs_mount mp, struct xfs_trans_res resp,
	152	uint blocks, uint rtextents, uint flags,
	153	struct xfs_trans **tpp);
20f4ebf2	154	void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);
de2a4f59 DC	155
	156	struct xfs_buf xfs_trans_get_buf_map(struct xfs_trans tp,
	157	struct xfs_buftarg *target,
	158	struct xfs_buf_map *map, int nmaps,
	159	uint flags);
	160
	161	static inline struct xfs_buf *
	162	xfs_trans_get_buf(
	163	struct xfs_trans *tp,
	164	struct xfs_buftarg *target,
	165	xfs_daddr_t blkno,
	166	int numblks,
	167	uint flags)
	168	{
c3f8fc73	169	DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
de2a4f59 DC	170	return xfs_trans_get_buf_map(tp, target, &map, 1, flags);
	171	}
	172
	173	int xfs_trans_read_buf_map(struct xfs_mount *mp,
	174	struct xfs_trans *tp,
	175	struct xfs_buftarg *target,
	176	struct xfs_buf_map *map, int nmaps,
	177	xfs_buf_flags_t flags,
c3f8fc73	178	struct xfs_buf **bpp,
1813dd64	179	const struct xfs_buf_ops *ops);
de2a4f59 DC	180
	181	static inline int
	182	xfs_trans_read_buf(
	183	struct xfs_mount *mp,
	184	struct xfs_trans *tp,
	185	struct xfs_buftarg *target,
	186	xfs_daddr_t blkno,
	187	int numblks,
	188	xfs_buf_flags_t flags,
c3f8fc73	189	struct xfs_buf **bpp,
1813dd64	190	const struct xfs_buf_ops *ops)
de2a4f59	191	{
c3f8fc73 DC	192	DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
c3f8fc73 DC	193	return xfs_trans_read_buf_map(mp, tp, target, &map, 1,
1813dd64	194	flags, bpp, ops);
de2a4f59 DC	195	}
de2a4f59 DC	196
1da177e4 LT	197	struct xfs_buf xfs_trans_getsb(xfs_trans_t , struct xfs_mount *, int);
	198
	199	void xfs_trans_brelse(xfs_trans_t , struct xfs_buf );
	200	void xfs_trans_bjoin(xfs_trans_t , struct xfs_buf );
	201	void xfs_trans_bhold(xfs_trans_t , struct xfs_buf );
efa092f3	202	void xfs_trans_bhold_release(xfs_trans_t , struct xfs_buf );
1da177e4 LT	203	void xfs_trans_binval(xfs_trans_t , struct xfs_buf );
1da177e4 LT	204	void xfs_trans_inode_buf(xfs_trans_t , struct xfs_buf );
1da177e4	205	void xfs_trans_stale_inode_buf(xfs_trans_t , struct xfs_buf );
5f6bed76	206	void xfs_trans_ordered_buf(xfs_trans_t , struct xfs_buf );
1da177e4 LT	207	void xfs_trans_dquot_buf(xfs_trans_t , struct xfs_buf , uint);
1da177e4 LT	208	void xfs_trans_inode_alloc_buf(xfs_trans_t , struct xfs_buf );
dcd79a14	209	void xfs_trans_ichgtime(struct xfs_trans , struct xfs_inode , int);
ddc3415a	210	void xfs_trans_ijoin(struct xfs_trans , struct xfs_inode , uint);
1da177e4 LT	211	void xfs_trans_log_buf(xfs_trans_t , struct xfs_buf , uint, uint);
1da177e4 LT	212	void xfs_trans_log_inode(xfs_trans_t , struct xfs_inode , uint);
9749fee8 DW	213
9749fee8 DW	214	void xfs_extent_free_init_defer_op(void);
bba61cbf	215	struct xfs_efd_log_item xfs_trans_get_efd(struct xfs_trans ,
1da177e4 LT	216	struct xfs_efi_log_item *,
1da177e4 LT	217	uint);
6bc43af3 BF	218	int xfs_trans_free_extent(struct xfs_trans *,
6bc43af3 BF	219	struct xfs_efd_log_item *, xfs_fsblock_t,
340785cc	220	xfs_extlen_t, struct xfs_owner_info *);
70393313	221	int xfs_trans_commit(struct xfs_trans *);
d43ac29b	222	int __xfs_trans_roll(struct xfs_trans *, struct xfs_inode , int *);
239880ef	223	int xfs_trans_roll(struct xfs_trans *, struct xfs_inode );
4906e215	224	void xfs_trans_cancel(xfs_trans_t *);
249a8c11 DC	225	int xfs_trans_ail_init(struct xfs_mount *);
249a8c11 DC	226	void xfs_trans_ail_destroy(struct xfs_mount *);
1da177e4	227
a4fbe6ab DC	228	void xfs_trans_buf_set_type(struct xfs_trans , struct xfs_buf ,
	229	enum xfs_blft);
	230	void xfs_trans_buf_copy_type(struct xfs_buf *dst_bp,
	231	struct xfs_buf *src_bp);
	232
a8272ce0	233	extern kmem_zone_t *xfs_trans_zone;
e98c414f	234	extern kmem_zone_t *xfs_log_item_desc_zone;
a8272ce0	235
1da177e4	236	#endif /* __XFS_TRANS_H__ */