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v4.17
 
  1/*
  2 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
  3 * All Rights Reserved.
  4 *
  5 * This program is free software; you can redistribute it and/or
  6 * modify it under the terms of the GNU General Public License as
  7 * published by the Free Software Foundation.
  8 *
  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.
 13 *
 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
 17 */
 18#ifndef	__XFS_TRANS_H__
 19#define	__XFS_TRANS_H__
 20
 21/* kernel only transaction subsystem defines */
 22
 23struct xfs_buf;
 24struct xfs_buftarg;
 25struct xfs_efd_log_item;
 26struct xfs_efi_log_item;
 27struct xfs_inode;
 28struct xfs_item_ops;
 29struct xfs_log_iovec;
 30struct xfs_log_item_desc;
 31struct xfs_mount;
 32struct xfs_trans;
 33struct xfs_trans_res;
 34struct xfs_dquot_acct;
 35struct xfs_rud_log_item;
 36struct xfs_rui_log_item;
 37struct xfs_btree_cur;
 38struct xfs_cui_log_item;
 39struct xfs_cud_log_item;
 40struct xfs_defer_ops;
 41struct xfs_bui_log_item;
 42struct xfs_bud_log_item;
 43
 44typedef 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 */
 49	struct xfs_ail			*li_ailp;	/* ptr to AIL */
 50	uint				li_type;	/* item type */
 51	uint				li_flags;	/* misc flags */
 52	struct xfs_buf			*li_buf;	/* real buffer pointer */
 53	struct list_head		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 */
 58	const struct xfs_item_ops	*li_ops;	/* function list */
 59
 60	/* delayed logging */
 61	struct list_head		li_cil;		/* CIL pointers */
 62	struct xfs_log_vec		*li_lv;		/* active log vector */
 63	struct xfs_log_vec		*li_lv_shadow;	/* standby vector */
 64	xfs_lsn_t			li_seq;		/* CIL commit seq */
 65} xfs_log_item_t;
 66
 67#define	XFS_LI_IN_AIL	0x1
 68#define	XFS_LI_ABORTED	0x2
 69#define	XFS_LI_FAILED	0x4
 
 
 
 
 
 
 70
 71#define XFS_LI_FLAGS \
 72	{ XFS_LI_IN_AIL,	"IN_AIL" }, \
 73	{ XFS_LI_ABORTED,	"ABORTED" }, \
 74	{ XFS_LI_FAILED,	"FAILED" }
 
 75
 76struct xfs_item_ops {
 77	void (*iop_size)(xfs_log_item_t *, int *, int *);
 78	void (*iop_format)(xfs_log_item_t *, struct xfs_log_vec *);
 79	void (*iop_pin)(xfs_log_item_t *);
 80	void (*iop_unpin)(xfs_log_item_t *, int remove);
 
 81	uint (*iop_push)(struct xfs_log_item *, struct list_head *);
 82	void (*iop_unlock)(xfs_log_item_t *);
 83	xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t);
 84	void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
 85	void (*iop_error)(xfs_log_item_t *, xfs_buf_t *);
 86};
 87
 
 
 
 
 
 
 88void	xfs_log_item_init(struct xfs_mount *mp, struct xfs_log_item *item,
 89			  int type, const struct xfs_item_ops *ops);
 90
 91/*
 92 * Return values for the iop_push() routines.
 93 */
 94#define XFS_ITEM_SUCCESS	0
 95#define XFS_ITEM_PINNED		1
 96#define XFS_ITEM_LOCKED		2
 97#define XFS_ITEM_FLUSHING	3
 98
 
 
 
 
 
 99
100/*
101 * This is the structure maintained for every active transaction.
102 */
103typedef struct xfs_trans {
104	unsigned int		t_magic;	/* magic number */
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 */
 
 
111	struct xlog_ticket	*t_ticket;	/* log mgr ticket */
112	struct xfs_mount	*t_mountp;	/* ptr to fs mount struct */
113	struct xfs_dquot_acct   *t_dqinfo;	/* acctg info for dquots */
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 */
121#if defined(DEBUG) || defined(XFS_WARN)
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 */
134	struct list_head	t_items;	/* log item descriptors */
135	struct list_head	t_busy;		/* list of busy extents */
 
136	unsigned long		t_pflags;	/* saved process flags state */
137} xfs_trans_t;
138
139/*
140 * XFS transaction mechanism exported interfaces that are
141 * actually macros.
142 */
143#define	xfs_trans_set_sync(tp)		((tp)->t_flags |= XFS_TRANS_SYNC)
144
145#if defined(DEBUG) || defined(XFS_WARN)
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)
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 */
158int		xfs_trans_alloc(struct xfs_mount *mp, struct xfs_trans_res *resp,
159			uint blocks, uint rtextents, uint flags,
160			struct xfs_trans **tpp);
161int		xfs_trans_alloc_empty(struct xfs_mount *mp,
162			struct xfs_trans **tpp);
163void		xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);
164
165struct 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
170static inline struct xfs_buf *
171xfs_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{
178	DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
179	return xfs_trans_get_buf_map(tp, target, &map, 1, flags);
180}
181
182int		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,
187				       struct xfs_buf **bpp,
188				       const struct xfs_buf_ops *ops);
189
190static inline int
191xfs_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,
198	struct xfs_buf		**bpp,
199	const struct xfs_buf_ops *ops)
200{
201	DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
202	return xfs_trans_read_buf_map(mp, tp, target, &map, 1,
203				      flags, bpp, ops);
204}
205
206struct xfs_buf	*xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int);
207
208void		xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *);
209void		xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *);
210void		xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *);
211void		xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *);
212void		xfs_trans_binval(xfs_trans_t *, struct xfs_buf *);
213void		xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *);
214void		xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *);
215bool		xfs_trans_ordered_buf(xfs_trans_t *, struct xfs_buf *);
216void		xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint);
217void		xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *);
218void		xfs_trans_ichgtime(struct xfs_trans *, struct xfs_inode *, int);
219void		xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *, uint);
220void		xfs_trans_log_buf(struct xfs_trans *, struct xfs_buf *, uint,
221				  uint);
222void		xfs_trans_dirty_buf(struct xfs_trans *, struct xfs_buf *);
 
223void		xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint);
224
225void		xfs_extent_free_init_defer_op(void);
226struct xfs_efd_log_item	*xfs_trans_get_efd(struct xfs_trans *,
227				  struct xfs_efi_log_item *,
228				  uint);
229int		xfs_trans_free_extent(struct xfs_trans *,
230				      struct xfs_efd_log_item *, xfs_fsblock_t,
231				      xfs_extlen_t, struct xfs_owner_info *);
232int		xfs_trans_commit(struct xfs_trans *);
233int		xfs_trans_roll(struct xfs_trans **);
234int		xfs_trans_roll_inode(struct xfs_trans **, struct xfs_inode *);
235void		xfs_trans_cancel(xfs_trans_t *);
236int		xfs_trans_ail_init(struct xfs_mount *);
237void		xfs_trans_ail_destroy(struct xfs_mount *);
238
239void		xfs_trans_buf_set_type(struct xfs_trans *, struct xfs_buf *,
240				       enum xfs_blft);
241void		xfs_trans_buf_copy_type(struct xfs_buf *dst_bp,
242					struct xfs_buf *src_bp);
243
244extern kmem_zone_t	*xfs_trans_zone;
245extern kmem_zone_t	*xfs_log_item_desc_zone;
246
247/* rmap updates */
248enum xfs_rmap_intent_type;
249
250void xfs_rmap_update_init_defer_op(void);
251struct xfs_rud_log_item *xfs_trans_get_rud(struct xfs_trans *tp,
252		struct xfs_rui_log_item *ruip);
253int xfs_trans_log_finish_rmap_update(struct xfs_trans *tp,
254		struct xfs_rud_log_item *rudp, enum xfs_rmap_intent_type type,
255		uint64_t owner, int whichfork, xfs_fileoff_t startoff,
256		xfs_fsblock_t startblock, xfs_filblks_t blockcount,
257		xfs_exntst_t state, struct xfs_btree_cur **pcur);
258
259/* refcount updates */
260enum xfs_refcount_intent_type;
261
262void xfs_refcount_update_init_defer_op(void);
263struct xfs_cud_log_item *xfs_trans_get_cud(struct xfs_trans *tp,
264		struct xfs_cui_log_item *cuip);
265int xfs_trans_log_finish_refcount_update(struct xfs_trans *tp,
266		struct xfs_cud_log_item *cudp, struct xfs_defer_ops *dfops,
267		enum xfs_refcount_intent_type type, xfs_fsblock_t startblock,
268		xfs_extlen_t blockcount, xfs_fsblock_t *new_fsb,
269		xfs_extlen_t *new_len, struct xfs_btree_cur **pcur);
270
271/* mapping updates */
272enum xfs_bmap_intent_type;
273
274void xfs_bmap_update_init_defer_op(void);
275struct xfs_bud_log_item *xfs_trans_get_bud(struct xfs_trans *tp,
276		struct xfs_bui_log_item *buip);
277int xfs_trans_log_finish_bmap_update(struct xfs_trans *tp,
278		struct xfs_bud_log_item *rudp, struct xfs_defer_ops *dfops,
279		enum xfs_bmap_intent_type type, struct xfs_inode *ip,
280		int whichfork, xfs_fileoff_t startoff, xfs_fsblock_t startblock,
281		xfs_filblks_t *blockcount, xfs_exntst_t state);
282
283#endif	/* __XFS_TRANS_H__ */
v5.4
  1// SPDX-License-Identifier: GPL-2.0
  2/*
  3 * Copyright (c) 2000-2002,2005 Silicon Graphics, Inc.
  4 * All Rights Reserved.
 
 
 
 
 
 
 
 
 
 
 
 
 
  5 */
  6#ifndef	__XFS_TRANS_H__
  7#define	__XFS_TRANS_H__
  8
  9/* kernel only transaction subsystem defines */
 10
 11struct xfs_buf;
 12struct xfs_buftarg;
 13struct xfs_efd_log_item;
 14struct xfs_efi_log_item;
 15struct xfs_inode;
 16struct xfs_item_ops;
 17struct xfs_log_iovec;
 
 18struct xfs_mount;
 19struct xfs_trans;
 20struct xfs_trans_res;
 21struct xfs_dquot_acct;
 22struct xfs_rud_log_item;
 23struct xfs_rui_log_item;
 24struct xfs_btree_cur;
 25struct xfs_cui_log_item;
 26struct xfs_cud_log_item;
 
 27struct xfs_bui_log_item;
 28struct xfs_bud_log_item;
 29
 30struct xfs_log_item {
 31	struct list_head		li_ail;		/* AIL pointers */
 32	struct list_head		li_trans;	/* transaction list */
 33	xfs_lsn_t			li_lsn;		/* last on-disk lsn */
 
 34	struct xfs_mount		*li_mountp;	/* ptr to fs mount */
 35	struct xfs_ail			*li_ailp;	/* ptr to AIL */
 36	uint				li_type;	/* item type */
 37	unsigned long			li_flags;	/* misc flags */
 38	struct xfs_buf			*li_buf;	/* real buffer pointer */
 39	struct list_head		li_bio_list;	/* buffer item list */
 40	void				(*li_cb)(struct xfs_buf *,
 41						 struct xfs_log_item *);
 42							/* buffer item iodone */
 43							/* callback func */
 44	const struct xfs_item_ops	*li_ops;	/* function list */
 45
 46	/* delayed logging */
 47	struct list_head		li_cil;		/* CIL pointers */
 48	struct xfs_log_vec		*li_lv;		/* active log vector */
 49	struct xfs_log_vec		*li_lv_shadow;	/* standby vector */
 50	xfs_lsn_t			li_seq;		/* CIL commit seq */
 51};
 52
 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
 61#define	XFS_LI_DIRTY	3	/* log item dirty in transaction */
 62
 63#define XFS_LI_FLAGS \
 64	{ (1 << XFS_LI_IN_AIL),		"IN_AIL" }, \
 65	{ (1 << XFS_LI_ABORTED),	"ABORTED" }, \
 66	{ (1 << XFS_LI_FAILED),		"FAILED" }, \
 67	{ (1 << XFS_LI_DIRTY),		"DIRTY" }
 68
 69struct xfs_item_ops {
 70	unsigned flags;
 71	void (*iop_size)(struct xfs_log_item *, int *, int *);
 72	void (*iop_format)(struct xfs_log_item *, struct xfs_log_vec *);
 73	void (*iop_pin)(struct xfs_log_item *);
 74	void (*iop_unpin)(struct xfs_log_item *, int remove);
 75	uint (*iop_push)(struct xfs_log_item *, struct list_head *);
 76	void (*iop_committing)(struct xfs_log_item *, xfs_lsn_t commit_lsn);
 77	void (*iop_release)(struct xfs_log_item *);
 78	xfs_lsn_t (*iop_committed)(struct xfs_log_item *, xfs_lsn_t);
 79	void (*iop_error)(struct xfs_log_item *, xfs_buf_t *);
 80};
 81
 82/*
 83 * Release the log item as soon as committed.  This is for items just logging
 84 * intents that never need to be written back in place.
 85 */
 86#define XFS_ITEM_RELEASE_WHEN_COMMITTED	(1 << 0)
 87
 88void	xfs_log_item_init(struct xfs_mount *mp, struct xfs_log_item *item,
 89			  int type, const struct xfs_item_ops *ops);
 90
 91/*
 92 * Return values for the iop_push() routines.
 93 */
 94#define XFS_ITEM_SUCCESS	0
 95#define XFS_ITEM_PINNED		1
 96#define XFS_ITEM_LOCKED		2
 97#define XFS_ITEM_FLUSHING	3
 98
 99/*
100 * Deferred operation item relogging limits.
101 */
102#define XFS_DEFER_OPS_NR_INODES	2	/* join up to two inodes */
103#define XFS_DEFER_OPS_NR_BUFS	2	/* join up to two buffers */
104
105/*
106 * This is the structure maintained for every active transaction.
107 */
108typedef struct xfs_trans {
109	unsigned int		t_magic;	/* magic number */
110	unsigned int		t_log_res;	/* amt of log space resvd */
111	unsigned int		t_log_count;	/* count for perm log res */
112	unsigned int		t_blk_res;	/* # of blocks resvd */
113	unsigned int		t_blk_res_used;	/* # of resvd blocks used */
114	unsigned int		t_rtx_res;	/* # of rt extents resvd */
115	unsigned int		t_rtx_res_used;	/* # of resvd rt extents used */
116	unsigned int		t_flags;	/* misc flags */
117	xfs_fsblock_t		t_firstblock;	/* first block allocated */
118	struct xlog_ticket	*t_ticket;	/* log mgr ticket */
119	struct xfs_mount	*t_mountp;	/* ptr to fs mount struct */
120	struct xfs_dquot_acct   *t_dqinfo;	/* acctg info for dquots */
 
121	int64_t			t_icount_delta;	/* superblock icount change */
122	int64_t			t_ifree_delta;	/* superblock ifree change */
123	int64_t			t_fdblocks_delta; /* superblock fdblocks chg */
124	int64_t			t_res_fdblocks_delta; /* on-disk only chg */
125	int64_t			t_frextents_delta;/* superblock freextents chg*/
126	int64_t			t_res_frextents_delta; /* on-disk only chg */
127#if defined(DEBUG) || defined(XFS_WARN)
128	int64_t			t_ag_freeblks_delta; /* debugging counter */
129	int64_t			t_ag_flist_delta; /* debugging counter */
130	int64_t			t_ag_btree_delta; /* debugging counter */
131#endif
132	int64_t			t_dblocks_delta;/* superblock dblocks change */
133	int64_t			t_agcount_delta;/* superblock agcount change */
134	int64_t			t_imaxpct_delta;/* superblock imaxpct change */
135	int64_t			t_rextsize_delta;/* superblock rextsize chg */
136	int64_t			t_rbmblocks_delta;/* superblock rbmblocks chg */
137	int64_t			t_rblocks_delta;/* superblock rblocks change */
138	int64_t			t_rextents_delta;/* superblocks rextents chg */
139	int64_t			t_rextslog_delta;/* superblocks rextslog chg */
140	struct list_head	t_items;	/* log item descriptors */
141	struct list_head	t_busy;		/* list of busy extents */
142	struct list_head	t_dfops;	/* deferred operations */
143	unsigned long		t_pflags;	/* saved process flags state */
144} xfs_trans_t;
145
146/*
147 * XFS transaction mechanism exported interfaces that are
148 * actually macros.
149 */
150#define	xfs_trans_set_sync(tp)		((tp)->t_flags |= XFS_TRANS_SYNC)
151
152#if defined(DEBUG) || defined(XFS_WARN)
153#define	xfs_trans_agblocks_delta(tp, d)	((tp)->t_ag_freeblks_delta += (int64_t)d)
154#define	xfs_trans_agflist_delta(tp, d)	((tp)->t_ag_flist_delta += (int64_t)d)
155#define	xfs_trans_agbtree_delta(tp, d)	((tp)->t_ag_btree_delta += (int64_t)d)
156#else
157#define	xfs_trans_agblocks_delta(tp, d)
158#define	xfs_trans_agflist_delta(tp, d)
159#define	xfs_trans_agbtree_delta(tp, d)
160#endif
161
162/*
163 * XFS transaction mechanism exported interfaces.
164 */
165int		xfs_trans_alloc(struct xfs_mount *mp, struct xfs_trans_res *resp,
166			uint blocks, uint rtextents, uint flags,
167			struct xfs_trans **tpp);
168int		xfs_trans_alloc_empty(struct xfs_mount *mp,
169			struct xfs_trans **tpp);
170void		xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);
171
172struct xfs_buf	*xfs_trans_get_buf_map(struct xfs_trans *tp,
173				       struct xfs_buftarg *target,
174				       struct xfs_buf_map *map, int nmaps,
175				       uint flags);
176
177static inline struct xfs_buf *
178xfs_trans_get_buf(
179	struct xfs_trans	*tp,
180	struct xfs_buftarg	*target,
181	xfs_daddr_t		blkno,
182	int			numblks,
183	uint			flags)
184{
185	DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
186	return xfs_trans_get_buf_map(tp, target, &map, 1, flags);
187}
188
189int		xfs_trans_read_buf_map(struct xfs_mount *mp,
190				       struct xfs_trans *tp,
191				       struct xfs_buftarg *target,
192				       struct xfs_buf_map *map, int nmaps,
193				       xfs_buf_flags_t flags,
194				       struct xfs_buf **bpp,
195				       const struct xfs_buf_ops *ops);
196
197static inline int
198xfs_trans_read_buf(
199	struct xfs_mount	*mp,
200	struct xfs_trans	*tp,
201	struct xfs_buftarg	*target,
202	xfs_daddr_t		blkno,
203	int			numblks,
204	xfs_buf_flags_t		flags,
205	struct xfs_buf		**bpp,
206	const struct xfs_buf_ops *ops)
207{
208	DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
209	return xfs_trans_read_buf_map(mp, tp, target, &map, 1,
210				      flags, bpp, ops);
211}
212
213struct xfs_buf	*xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *);
214
215void		xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *);
216void		xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *);
217void		xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *);
218void		xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *);
219void		xfs_trans_binval(xfs_trans_t *, struct xfs_buf *);
220void		xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *);
221void		xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *);
222bool		xfs_trans_ordered_buf(xfs_trans_t *, struct xfs_buf *);
223void		xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint);
224void		xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *);
225void		xfs_trans_ichgtime(struct xfs_trans *, struct xfs_inode *, int);
226void		xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *, uint);
227void		xfs_trans_log_buf(struct xfs_trans *, struct xfs_buf *, uint,
228				  uint);
229void		xfs_trans_dirty_buf(struct xfs_trans *, struct xfs_buf *);
230bool		xfs_trans_buf_is_dirty(struct xfs_buf *bp);
231void		xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint);
232
 
 
 
 
 
 
 
233int		xfs_trans_commit(struct xfs_trans *);
234int		xfs_trans_roll(struct xfs_trans **);
235int		xfs_trans_roll_inode(struct xfs_trans **, struct xfs_inode *);
236void		xfs_trans_cancel(xfs_trans_t *);
237int		xfs_trans_ail_init(struct xfs_mount *);
238void		xfs_trans_ail_destroy(struct xfs_mount *);
239
240void		xfs_trans_buf_set_type(struct xfs_trans *, struct xfs_buf *,
241				       enum xfs_blft);
242void		xfs_trans_buf_copy_type(struct xfs_buf *dst_bp,
243					struct xfs_buf *src_bp);
244
245extern kmem_zone_t	*xfs_trans_zone;
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
246
247#endif	/* __XFS_TRANS_H__ */