[mirror_ubuntu-artful-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_rud_log_item;
struct xfs_rui_log_item;
struct xfs_btree_cur;
struct xfs_cui_log_item;
struct xfs_cud_log_item;
struct xfs_defer_ops;
struct xfs_bui_log_item;
struct xfs_bud_log_item;

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_buf			*li_buf;	/* real buffer pointer */
	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_FAILED	0x4

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

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 (*iop_error)(xfs_log_item_t *, xfs_buf_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 */
	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);
int		xfs_trans_alloc_empty(struct xfs_mount *mp,
			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 *);
bool		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(struct xfs_trans *, struct xfs_buf *, uint,
				  uint);
void		xfs_trans_dirty_buf(struct xfs_trans *, struct xfs_buf *);
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 *);
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;

/* rmap updates */
enum xfs_rmap_intent_type;

void xfs_rmap_update_init_defer_op(void);
struct xfs_rud_log_item *xfs_trans_get_rud(struct xfs_trans *tp,
		struct xfs_rui_log_item *ruip);
int xfs_trans_log_finish_rmap_update(struct xfs_trans *tp,
		struct xfs_rud_log_item *rudp, enum xfs_rmap_intent_type type,
		uint64_t owner, int whichfork, xfs_fileoff_t startoff,
		xfs_fsblock_t startblock, xfs_filblks_t blockcount,
		xfs_exntst_t state, struct xfs_btree_cur **pcur);

/* refcount updates */
enum xfs_refcount_intent_type;

void xfs_refcount_update_init_defer_op(void);
struct xfs_cud_log_item *xfs_trans_get_cud(struct xfs_trans *tp,
		struct xfs_cui_log_item *cuip);
int xfs_trans_log_finish_refcount_update(struct xfs_trans *tp,
		struct xfs_cud_log_item *cudp, struct xfs_defer_ops *dfops,
		enum xfs_refcount_intent_type type, xfs_fsblock_t startblock,
		xfs_extlen_t blockcount, xfs_fsblock_t *new_fsb,
		xfs_extlen_t *new_len, struct xfs_btree_cur **pcur);

/* mapping updates */
enum xfs_bmap_intent_type;

void xfs_bmap_update_init_defer_op(void);
struct xfs_bud_log_item *xfs_trans_get_bud(struct xfs_trans *tp,
		struct xfs_bui_log_item *buip);
int xfs_trans_log_finish_bmap_update(struct xfs_trans *tp,
		struct xfs_bud_log_item *rudp, struct xfs_defer_ops *dfops,
		enum xfs_bmap_intent_type type, struct xfs_inode *ip,
		int whichfork, xfs_fileoff_t startoff, xfs_fsblock_t startblock,
		xfs_filblks_t *blockcount, xfs_exntst_t state);

#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;
f8dbebef DW	35	struct xfs_rud_log_item;
f8dbebef DW	36	struct xfs_rui_log_item;
9c194644	37	struct xfs_btree_cur;
f997ee21	38	struct xfs_cui_log_item;
33ba6129 DW	39	struct xfs_cud_log_item;
33ba6129 DW	40	struct xfs_defer_ops;
77d61fe4	41	struct xfs_bui_log_item;
9f3afb57	42	struct xfs_bud_log_item;
847fff5c BN	43
	44	typedef struct xfs_log_item {
	45	struct list_head li_ail; /* AIL pointers */
	46	xfs_lsn_t li_lsn; /* last on-disk lsn */
	47	struct xfs_log_item_desc li_desc; / ptr to current desc*/
	48	struct xfs_mount li_mountp; / ptr to fs mount */
fc1829f3	49	struct xfs_ail li_ailp; / ptr to AIL */
847fff5c BN	50	uint li_type; /* item type */
847fff5c BN	51	uint li_flags; /* misc flags */
4f6d4e8f	52	struct xfs_buf li_buf; / real buffer pointer */
847fff5c BN	53	struct xfs_log_item li_bio_list; / buffer item list */
	54	void (li_cb)(struct xfs_buf ,
	55	struct xfs_log_item *);
	56	/* buffer item iodone */
	57	/* callback func */
272e42b2	58	const struct xfs_item_ops li_ops; / function list */
71e330b5 DC	59
	60	/* delayed logging */
	61	struct list_head li_cil; /* CIL pointers */
	62	struct xfs_log_vec li_lv; / active log vector */
b1c5ebb2	63	struct xfs_log_vec li_lv_shadow; / standby vector */
ccf7c23f	64	xfs_lsn_t li_seq; /* CIL commit seq */
847fff5c BN	65	} xfs_log_item_t;
	66
	67	#define XFS_LI_IN_AIL 0x1
1618ea8c CM	68	#define XFS_LI_ABORTED 0x2
1618ea8c CM	69	#define XFS_LI_FAILED 0x4
847fff5c	70
0b1b213f CH	71	#define XFS_LI_FLAGS \
0b1b213f CH	72	{ XFS_LI_IN_AIL, "IN_AIL" }, \
1618ea8c CM	73	{ XFS_LI_ABORTED, "ABORTED" }, \
1618ea8c CM	74	{ XFS_LI_FAILED, "FAILED" }
0b1b213f	75
272e42b2	76	struct xfs_item_ops {
166d1368	77	void (iop_size)(xfs_log_item_t , int , int );
bde7cff6	78	void (iop_format)(xfs_log_item_t , struct xfs_log_vec *);
847fff5c	79	void (iop_pin)(xfs_log_item_t );
9412e318	80	void (iop_unpin)(xfs_log_item_t , int remove);
43ff2122	81	uint (iop_push)(struct xfs_log_item , struct list_head *);
847fff5c BN	82	void (iop_unlock)(xfs_log_item_t );
847fff5c BN	83	xfs_lsn_t (iop_committed)(xfs_log_item_t , xfs_lsn_t);
847fff5c	84	void (iop_committing)(xfs_log_item_t , xfs_lsn_t);
1618ea8c	85	void (iop_error)(xfs_log_item_t , xfs_buf_t *);
272e42b2	86	};
847fff5c	87
239880ef DC	88	void xfs_log_item_init(struct xfs_mount mp, struct xfs_log_item item,
	89	int type, const struct xfs_item_ops *ops);
	90
847fff5c	91	/*
904c17e6	92	* Return values for the iop_push() routines.
847fff5c	93	*/
43ff2122 CH	94	#define XFS_ITEM_SUCCESS 0
	95	#define XFS_ITEM_PINNED 1
	96	#define XFS_ITEM_LOCKED 2
	97	#define XFS_ITEM_FLUSHING 3
847fff5c	98
239880ef	99
847fff5c BN	100	/*
	101	* This is the structure maintained for every active transaction.
	102	*/
	103	typedef struct xfs_trans {
	104	unsigned int t_magic; /* magic number */
847fff5c BN	105	unsigned int t_log_res; /* amt of log space resvd */
	106	unsigned int t_log_count; /* count for perm log res */
	107	unsigned int t_blk_res; /* # of blocks resvd */
	108	unsigned int t_blk_res_used; /* # of resvd blocks used */
	109	unsigned int t_rtx_res; /* # of rt extents resvd */
	110	unsigned int t_rtx_res_used; /* # of resvd rt extents used */
35a8a72f	111	struct xlog_ticket t_ticket; / log mgr ticket */
847fff5c BN	112	struct xfs_mount t_mountp; / ptr to fs mount struct */
847fff5c BN	113	struct xfs_dquot_acct t_dqinfo; / acctg info for dquots */
847fff5c BN	114	unsigned int t_flags; /* misc flags */
	115	int64_t t_icount_delta; /* superblock icount change */
	116	int64_t t_ifree_delta; /* superblock ifree change */
	117	int64_t t_fdblocks_delta; /* superblock fdblocks chg */
	118	int64_t t_res_fdblocks_delta; /* on-disk only chg */
	119	int64_t t_frextents_delta;/* superblock freextents chg*/
	120	int64_t t_res_frextents_delta; /* on-disk only chg */
742ae1e3	121	#if defined(DEBUG) \|\| defined(XFS_WARN)
847fff5c BN	122	int64_t t_ag_freeblks_delta; /* debugging counter */
	123	int64_t t_ag_flist_delta; /* debugging counter */
	124	int64_t t_ag_btree_delta; /* debugging counter */
	125	#endif
	126	int64_t t_dblocks_delta;/* superblock dblocks change */
	127	int64_t t_agcount_delta;/* superblock agcount change */
	128	int64_t t_imaxpct_delta;/* superblock imaxpct change */
	129	int64_t t_rextsize_delta;/* superblock rextsize chg */
	130	int64_t t_rbmblocks_delta;/* superblock rbmblocks chg */
	131	int64_t t_rblocks_delta;/* superblock rblocks change */
	132	int64_t t_rextents_delta;/* superblocks rextents chg */
	133	int64_t t_rextslog_delta;/* superblocks rextslog chg */
e98c414f	134	struct list_head t_items; /* log item descriptors */
ed3b4d6c	135	struct list_head t_busy; /* list of busy extents */
847fff5c BN	136	unsigned long t_pflags; /* saved process flags state */
	137	} xfs_trans_t;
	138
1da177e4 LT	139	/*
	140	* XFS transaction mechanism exported interfaces that are
	141	* actually macros.
	142	*/
1da177e4 LT	143	#define xfs_trans_set_sync(tp) ((tp)->t_flags \|= XFS_TRANS_SYNC)
1da177e4 LT	144
742ae1e3	145	#if defined(DEBUG) \|\| defined(XFS_WARN)
20f4ebf2 DC	146	#define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d)
	147	#define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d)
	148	#define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d)
1da177e4 LT	149	#else
	150	#define xfs_trans_agblocks_delta(tp, d)
	151	#define xfs_trans_agflist_delta(tp, d)
	152	#define xfs_trans_agbtree_delta(tp, d)
	153	#endif
	154
	155	/*
	156	* XFS transaction mechanism exported interfaces.
	157	*/
253f4911 CH	158	int xfs_trans_alloc(struct xfs_mount mp, struct xfs_trans_res resp,
	159	uint blocks, uint rtextents, uint flags,
	160	struct xfs_trans **tpp);
e89c0413 DW	161	int xfs_trans_alloc_empty(struct xfs_mount *mp,
e89c0413 DW	162	struct xfs_trans **tpp);
20f4ebf2	163	void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);
de2a4f59 DC	164
	165	struct xfs_buf xfs_trans_get_buf_map(struct xfs_trans tp,
	166	struct xfs_buftarg *target,
	167	struct xfs_buf_map *map, int nmaps,
	168	uint flags);
	169
	170	static inline struct xfs_buf *
	171	xfs_trans_get_buf(
	172	struct xfs_trans *tp,
	173	struct xfs_buftarg *target,
	174	xfs_daddr_t blkno,
	175	int numblks,
	176	uint flags)
	177	{
c3f8fc73	178	DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
de2a4f59 DC	179	return xfs_trans_get_buf_map(tp, target, &map, 1, flags);
	180	}
	181
	182	int xfs_trans_read_buf_map(struct xfs_mount *mp,
	183	struct xfs_trans *tp,
	184	struct xfs_buftarg *target,
	185	struct xfs_buf_map *map, int nmaps,
	186	xfs_buf_flags_t flags,
c3f8fc73	187	struct xfs_buf **bpp,
1813dd64	188	const struct xfs_buf_ops *ops);
de2a4f59 DC	189
	190	static inline int
	191	xfs_trans_read_buf(
	192	struct xfs_mount *mp,
	193	struct xfs_trans *tp,
	194	struct xfs_buftarg *target,
	195	xfs_daddr_t blkno,
	196	int numblks,
	197	xfs_buf_flags_t flags,
c3f8fc73	198	struct xfs_buf **bpp,
1813dd64	199	const struct xfs_buf_ops *ops)
de2a4f59	200	{
c3f8fc73 DC	201	DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
c3f8fc73 DC	202	return xfs_trans_read_buf_map(mp, tp, target, &map, 1,
1813dd64	203	flags, bpp, ops);
de2a4f59 DC	204	}
de2a4f59 DC	205
1da177e4 LT	206	struct xfs_buf xfs_trans_getsb(xfs_trans_t , struct xfs_mount *, int);
	207
	208	void xfs_trans_brelse(xfs_trans_t , struct xfs_buf );
	209	void xfs_trans_bjoin(xfs_trans_t , struct xfs_buf );
	210	void xfs_trans_bhold(xfs_trans_t , struct xfs_buf );
efa092f3	211	void xfs_trans_bhold_release(xfs_trans_t , struct xfs_buf );
1da177e4 LT	212	void xfs_trans_binval(xfs_trans_t , struct xfs_buf );
1da177e4 LT	213	void xfs_trans_inode_buf(xfs_trans_t , struct xfs_buf );
1da177e4	214	void xfs_trans_stale_inode_buf(xfs_trans_t , struct xfs_buf );
cd48e41e	215	bool xfs_trans_ordered_buf(xfs_trans_t , struct xfs_buf );
1da177e4 LT	216	void xfs_trans_dquot_buf(xfs_trans_t , struct xfs_buf , uint);
1da177e4 LT	217	void xfs_trans_inode_alloc_buf(xfs_trans_t , struct xfs_buf );
dcd79a14	218	void xfs_trans_ichgtime(struct xfs_trans , struct xfs_inode , int);
ddc3415a	219	void xfs_trans_ijoin(struct xfs_trans , struct xfs_inode , uint);
0845234f BF	220	void xfs_trans_log_buf(struct xfs_trans , struct xfs_buf , uint,
	221	uint);
	222	void xfs_trans_dirty_buf(struct xfs_trans , struct xfs_buf );
1da177e4	223	void xfs_trans_log_inode(xfs_trans_t , struct xfs_inode , uint);
9749fee8 DW	224
9749fee8 DW	225	void xfs_extent_free_init_defer_op(void);
bba61cbf	226	struct xfs_efd_log_item xfs_trans_get_efd(struct xfs_trans ,
1da177e4 LT	227	struct xfs_efi_log_item *,
1da177e4 LT	228	uint);
6bc43af3 BF	229	int xfs_trans_free_extent(struct xfs_trans *,
6bc43af3 BF	230	struct xfs_efd_log_item *, xfs_fsblock_t,
340785cc	231	xfs_extlen_t, struct xfs_owner_info *);
70393313	232	int xfs_trans_commit(struct xfs_trans *);
239880ef	233	int xfs_trans_roll(struct xfs_trans *, struct xfs_inode );
4906e215	234	void xfs_trans_cancel(xfs_trans_t *);
249a8c11 DC	235	int xfs_trans_ail_init(struct xfs_mount *);
249a8c11 DC	236	void xfs_trans_ail_destroy(struct xfs_mount *);
1da177e4	237
a4fbe6ab DC	238	void xfs_trans_buf_set_type(struct xfs_trans , struct xfs_buf ,
	239	enum xfs_blft);
	240	void xfs_trans_buf_copy_type(struct xfs_buf *dst_bp,
	241	struct xfs_buf *src_bp);
	242
a8272ce0	243	extern kmem_zone_t *xfs_trans_zone;
e98c414f	244	extern kmem_zone_t *xfs_log_item_desc_zone;
a8272ce0	245
f8dbebef	246	/* rmap updates */
9e88b5d8 DW	247	enum xfs_rmap_intent_type;
9e88b5d8 DW	248
f8dbebef	249	void xfs_rmap_update_init_defer_op(void);
9e88b5d8	250	struct xfs_rud_log_item xfs_trans_get_rud(struct xfs_trans tp,
722e2517	251	struct xfs_rui_log_item *ruip);
9e88b5d8 DW	252	int xfs_trans_log_finish_rmap_update(struct xfs_trans *tp,
9e88b5d8 DW	253	struct xfs_rud_log_item *rudp, enum xfs_rmap_intent_type type,
c8ce540d	254	uint64_t owner, int whichfork, xfs_fileoff_t startoff,
9e88b5d8	255	xfs_fsblock_t startblock, xfs_filblks_t blockcount,
9c194644	256	xfs_exntst_t state, struct xfs_btree_cur **pcur);
9e88b5d8	257
f997ee21 DW	258	/* refcount updates */
	259	enum xfs_refcount_intent_type;
	260
33ba6129	261	void xfs_refcount_update_init_defer_op(void);
f997ee21 DW	262	struct xfs_cud_log_item xfs_trans_get_cud(struct xfs_trans tp,
	263	struct xfs_cui_log_item *cuip);
	264	int xfs_trans_log_finish_refcount_update(struct xfs_trans *tp,
33ba6129	265	struct xfs_cud_log_item cudp, struct xfs_defer_ops dfops,
f997ee21	266	enum xfs_refcount_intent_type type, xfs_fsblock_t startblock,
33ba6129 DW	267	xfs_extlen_t blockcount, xfs_fsblock_t *new_fsb,
33ba6129 DW	268	xfs_extlen_t new_len, struct xfs_btree_cur *pcur);
f997ee21	269
77d61fe4 DW	270	/* mapping updates */
	271	enum xfs_bmap_intent_type;
	272
	273	void xfs_bmap_update_init_defer_op(void);
	274	struct xfs_bud_log_item xfs_trans_get_bud(struct xfs_trans tp,
	275	struct xfs_bui_log_item *buip);
	276	int xfs_trans_log_finish_bmap_update(struct xfs_trans *tp,
	277	struct xfs_bud_log_item rudp, struct xfs_defer_ops dfops,
	278	enum xfs_bmap_intent_type type, struct xfs_inode *ip,
	279	int whichfork, xfs_fileoff_t startoff, xfs_fsblock_t startblock,
e1a4e37c	280	xfs_filblks_t *blockcount, xfs_exntst_t state);
77d61fe4	281
1da177e4	282	#endif /* __XFS_TRANS_H__ */