[linux.git] / fs / xfs / xfs_trans.h

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
 * All Rights Reserved.
 */
#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_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_bui_log_item;
struct xfs_bud_log_item;

typedef struct xfs_log_item {
	struct list_head		li_ail;		/* AIL pointers */
	struct list_head		li_trans;	/* transaction list */
	xfs_lsn_t			li_lsn;		/* last on-disk lsn */
	struct xfs_mount		*li_mountp;	/* ptr to fs mount */
	struct xfs_ail			*li_ailp;	/* ptr to AIL */
	uint				li_type;	/* item type */
	unsigned long			li_flags;	/* misc flags */
	struct xfs_buf			*li_buf;	/* real buffer pointer */
	struct list_head		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;

/*
 * li_flags use the (set/test/clear)_bit atomic interfaces because updates can
 * race with each other and we don't want to have to use the AIL lock to
 * serialise all updates.
 */
#define	XFS_LI_IN_AIL	0
#define	XFS_LI_ABORTED	1
#define	XFS_LI_FAILED	2
#define	XFS_LI_DIRTY	3	/* log item dirty in transaction */

#define XFS_LI_FLAGS \
	{ (1 << XFS_LI_IN_AIL),		"IN_AIL" }, \
	{ (1 << XFS_LI_ABORTED),	"ABORTED" }, \
	{ (1 << XFS_LI_FAILED),		"FAILED" }, \
	{ (1 << XFS_LI_DIRTY),		"DIRTY" }

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

/*
 * Deferred operation item relogging limits.
 */
#define XFS_DEFER_OPS_NR_INODES	2	/* join up to two inodes */
#define XFS_DEFER_OPS_NR_BUFS	2	/* join up to two buffers */

/*
 * 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 */
	unsigned int		t_flags;	/* misc flags */
	xfs_fsblock_t		t_firstblock;	/* first block allocated */
	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 */
	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 */
	struct list_head	t_dfops;	/* deferred operations */
	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 *);
bool		xfs_trans_buf_is_dirty(struct xfs_buf *bp);
void		xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint);

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,
				      const struct xfs_owner_info *,
				      bool);
int		xfs_trans_commit(struct xfs_trans *);
int		xfs_trans_roll(struct xfs_trans **);
int		xfs_trans_roll_inode(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;

/* rmap updates */
enum xfs_rmap_intent_type;

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;

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,
		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;

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, 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
0b61f8a4	1	// SPDX-License-Identifier: GPL-2.0
1da177e4	2	/*
7b718769 NS	3	* Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
7b718769 NS	4	* All Rights Reserved.
1da177e4 LT	5	*/
	6	#ifndef __XFS_TRANS_H__
	7	#define __XFS_TRANS_H__
	8
7fd36c44	9	/* kernel only transaction subsystem defines */
847fff5c BN	10
	11	struct xfs_buf;
	12	struct xfs_buftarg;
	13	struct xfs_efd_log_item;
	14	struct xfs_efi_log_item;
	15	struct xfs_inode;
	16	struct xfs_item_ops;
	17	struct xfs_log_iovec;
847fff5c BN	18	struct xfs_mount;
847fff5c BN	19	struct xfs_trans;
3d3c8b52	20	struct xfs_trans_res;
847fff5c	21	struct xfs_dquot_acct;
f8dbebef DW	22	struct xfs_rud_log_item;
f8dbebef DW	23	struct xfs_rui_log_item;
9c194644	24	struct xfs_btree_cur;
f997ee21	25	struct xfs_cui_log_item;
33ba6129	26	struct xfs_cud_log_item;
77d61fe4	27	struct xfs_bui_log_item;
9f3afb57	28	struct xfs_bud_log_item;
847fff5c BN	29
	30	typedef struct xfs_log_item {
	31	struct list_head li_ail; /* AIL pointers */
e6631f85	32	struct list_head li_trans; /* transaction list */
847fff5c	33	xfs_lsn_t li_lsn; /* last on-disk lsn */
847fff5c	34	struct xfs_mount li_mountp; / ptr to fs mount */
fc1829f3	35	struct xfs_ail li_ailp; / ptr to AIL */
847fff5c	36	uint li_type; /* item type */
22525c17	37	unsigned long li_flags; /* misc flags */
d3a304b6	38	struct xfs_buf li_buf; / real buffer pointer */
643c8c05	39	struct list_head li_bio_list; /* buffer item list */
847fff5c BN	40	void (li_cb)(struct xfs_buf ,
	41	struct xfs_log_item *);
	42	/* buffer item iodone */
	43	/* callback func */
272e42b2	44	const struct xfs_item_ops li_ops; / function list */
71e330b5 DC	45
	46	/* delayed logging */
	47	struct list_head li_cil; /* CIL pointers */
	48	struct xfs_log_vec li_lv; / active log vector */
b1c5ebb2	49	struct xfs_log_vec li_lv_shadow; / standby vector */
ccf7c23f	50	xfs_lsn_t li_seq; /* CIL commit seq */
847fff5c BN	51	} xfs_log_item_t;
847fff5c BN	52
22525c17 DC	53	/*
	54	* li_flags use the (set/test/clear)_bit atomic interfaces because updates can
	55	* race with each other and we don't want to have to use the AIL lock to
	56	* serialise all updates.
	57	*/
	58	#define XFS_LI_IN_AIL 0
	59	#define XFS_LI_ABORTED 1
	60	#define XFS_LI_FAILED 2
e6631f85	61	#define XFS_LI_DIRTY 3 /* log item dirty in transaction */
847fff5c	62
0b1b213f	63	#define XFS_LI_FLAGS \
22525c17 DC	64	{ (1 << XFS_LI_IN_AIL), "IN_AIL" }, \
22525c17 DC	65	{ (1 << XFS_LI_ABORTED), "ABORTED" }, \
e6631f85 DC	66	{ (1 << XFS_LI_FAILED), "FAILED" }, \
e6631f85 DC	67	{ (1 << XFS_LI_DIRTY), "DIRTY" }
0b1b213f	68
272e42b2	69	struct xfs_item_ops {
166d1368	70	void (iop_size)(xfs_log_item_t , int , int );
bde7cff6	71	void (iop_format)(xfs_log_item_t , struct xfs_log_vec *);
847fff5c	72	void (iop_pin)(xfs_log_item_t );
9412e318	73	void (iop_unpin)(xfs_log_item_t , int remove);
43ff2122	74	uint (iop_push)(struct xfs_log_item , struct list_head *);
847fff5c BN	75	void (iop_unlock)(xfs_log_item_t );
847fff5c BN	76	xfs_lsn_t (iop_committed)(xfs_log_item_t , xfs_lsn_t);
847fff5c	77	void (iop_committing)(xfs_log_item_t , xfs_lsn_t);
0b80ae6e	78	void (iop_error)(xfs_log_item_t , xfs_buf_t *);
272e42b2	79	};
847fff5c	80
239880ef DC	81	void xfs_log_item_init(struct xfs_mount mp, struct xfs_log_item item,
	82	int type, const struct xfs_item_ops *ops);
	83
847fff5c	84	/*
904c17e6	85	* Return values for the iop_push() routines.
847fff5c	86	*/
43ff2122 CH	87	#define XFS_ITEM_SUCCESS 0
	88	#define XFS_ITEM_PINNED 1
	89	#define XFS_ITEM_LOCKED 2
	90	#define XFS_ITEM_FLUSHING 3
847fff5c	91
e021a2e5	92	/*
9d9e6233	93	* Deferred operation item relogging limits.
e021a2e5 BF	94	*/
	95	#define XFS_DEFER_OPS_NR_INODES 2 /* join up to two inodes */
	96	#define XFS_DEFER_OPS_NR_BUFS 2 /* join up to two buffers */
239880ef	97
847fff5c BN	98	/*
	99	* This is the structure maintained for every active transaction.
	100	*/
	101	typedef struct xfs_trans {
	102	unsigned int t_magic; /* magic number */
847fff5c BN	103	unsigned int t_log_res; /* amt of log space resvd */
	104	unsigned int t_log_count; /* count for perm log res */
	105	unsigned int t_blk_res; /* # of blocks resvd */
	106	unsigned int t_blk_res_used; /* # of resvd blocks used */
	107	unsigned int t_rtx_res; /* # of rt extents resvd */
	108	unsigned int t_rtx_res_used; /* # of resvd rt extents used */
44fd2946	109	unsigned int t_flags; /* misc flags */
bba59c5e	110	xfs_fsblock_t t_firstblock; /* first block allocated */
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	int64_t t_icount_delta; /* superblock icount change */
	115	int64_t t_ifree_delta; /* superblock ifree change */
	116	int64_t t_fdblocks_delta; /* superblock fdblocks chg */
	117	int64_t t_res_fdblocks_delta; /* on-disk only chg */
	118	int64_t t_frextents_delta;/* superblock freextents chg*/
	119	int64_t t_res_frextents_delta; /* on-disk only chg */
742ae1e3	120	#if defined(DEBUG) \|\| defined(XFS_WARN)
847fff5c BN	121	int64_t t_ag_freeblks_delta; /* debugging counter */
	122	int64_t t_ag_flist_delta; /* debugging counter */
	123	int64_t t_ag_btree_delta; /* debugging counter */
	124	#endif
	125	int64_t t_dblocks_delta;/* superblock dblocks change */
	126	int64_t t_agcount_delta;/* superblock agcount change */
	127	int64_t t_imaxpct_delta;/* superblock imaxpct change */
	128	int64_t t_rextsize_delta;/* superblock rextsize chg */
	129	int64_t t_rbmblocks_delta;/* superblock rbmblocks chg */
	130	int64_t t_rblocks_delta;/* superblock rblocks change */
	131	int64_t t_rextents_delta;/* superblocks rextents chg */
	132	int64_t t_rextslog_delta;/* superblocks rextslog chg */
e98c414f	133	struct list_head t_items; /* log item descriptors */
ed3b4d6c	134	struct list_head t_busy; /* list of busy extents */
9d9e6233	135	struct list_head t_dfops; /* deferred operations */
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 );
a5814bce	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);
9684010d 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 );
38b6238e	223	bool xfs_trans_buf_is_dirty(struct xfs_buf *bp);
1da177e4	224	void xfs_trans_log_inode(xfs_trans_t , struct xfs_inode , uint);
9749fee8	225
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,
66e3237e DW	231	xfs_extlen_t,
66e3237e DW	232	const struct xfs_owner_info *,
fcb762f5	233	bool);
70393313	234	int xfs_trans_commit(struct xfs_trans *);
411350df CH	235	int xfs_trans_roll(struct xfs_trans **);
411350df CH	236	int xfs_trans_roll_inode(struct xfs_trans *, struct xfs_inode );
4906e215	237	void xfs_trans_cancel(xfs_trans_t *);
249a8c11 DC	238	int xfs_trans_ail_init(struct xfs_mount *);
249a8c11 DC	239	void xfs_trans_ail_destroy(struct xfs_mount *);
1da177e4	240
a4fbe6ab DC	241	void xfs_trans_buf_set_type(struct xfs_trans , struct xfs_buf ,
	242	enum xfs_blft);
	243	void xfs_trans_buf_copy_type(struct xfs_buf *dst_bp,
	244	struct xfs_buf *src_bp);
	245
a8272ce0 DC	246	extern kmem_zone_t *xfs_trans_zone;
a8272ce0 DC	247
f8dbebef	248	/* rmap updates */
9e88b5d8 DW	249	enum xfs_rmap_intent_type;
9e88b5d8 DW	250
9e88b5d8	251	struct xfs_rud_log_item xfs_trans_get_rud(struct xfs_trans tp,
722e2517	252	struct xfs_rui_log_item *ruip);
9e88b5d8 DW	253	int xfs_trans_log_finish_rmap_update(struct xfs_trans *tp,
9e88b5d8 DW	254	struct xfs_rud_log_item *rudp, enum xfs_rmap_intent_type type,
c8ce540d	255	uint64_t owner, int whichfork, xfs_fileoff_t startoff,
9e88b5d8	256	xfs_fsblock_t startblock, xfs_filblks_t blockcount,
9c194644	257	xfs_exntst_t state, struct xfs_btree_cur **pcur);
9e88b5d8	258
f997ee21 DW	259	/* refcount updates */
	260	enum xfs_refcount_intent_type;
	261
	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,
7dbddbac	265	struct xfs_cud_log_item *cudp,
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
77d61fe4 DW	273	struct xfs_bud_log_item xfs_trans_get_bud(struct xfs_trans tp,
	274	struct xfs_bui_log_item *buip);
	275	int xfs_trans_log_finish_bmap_update(struct xfs_trans *tp,
7dbddbac BF	276	struct xfs_bud_log_item *rudp, enum xfs_bmap_intent_type type,
	277	struct xfs_inode *ip, int whichfork, xfs_fileoff_t startoff,
	278	xfs_fsblock_t startblock, xfs_filblks_t *blockcount,
	279	xfs_exntst_t state);
77d61fe4	280
1da177e4	281	#endif /* __XFS_TRANS_H__ */