Loading...
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_busy_extent;
36
37typedef 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 */
42 struct xfs_ail *li_ailp; /* ptr to AIL */
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 */
50 const struct xfs_item_ops *li_ops; /* function list */
51
52 /* delayed logging */
53 struct list_head li_cil; /* CIL pointers */
54 struct xfs_log_vec *li_lv; /* active log vector */
55 xfs_lsn_t li_seq; /* CIL commit seq */
56} xfs_log_item_t;
57
58#define XFS_LI_IN_AIL 0x1
59#define XFS_LI_ABORTED 0x2
60
61#define XFS_LI_FLAGS \
62 { XFS_LI_IN_AIL, "IN_AIL" }, \
63 { XFS_LI_ABORTED, "ABORTED" }
64
65struct xfs_item_ops {
66 void (*iop_size)(xfs_log_item_t *, int *, int *);
67 void (*iop_format)(xfs_log_item_t *, struct xfs_log_vec *);
68 void (*iop_pin)(xfs_log_item_t *);
69 void (*iop_unpin)(xfs_log_item_t *, int remove);
70 uint (*iop_push)(struct xfs_log_item *, struct list_head *);
71 void (*iop_unlock)(xfs_log_item_t *);
72 xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t);
73 void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
74};
75
76void xfs_log_item_init(struct xfs_mount *mp, struct xfs_log_item *item,
77 int type, const struct xfs_item_ops *ops);
78
79/*
80 * Return values for the iop_push() routines.
81 */
82#define XFS_ITEM_SUCCESS 0
83#define XFS_ITEM_PINNED 1
84#define XFS_ITEM_LOCKED 2
85#define XFS_ITEM_FLUSHING 3
86
87
88/*
89 * This is the structure maintained for every active transaction.
90 */
91typedef struct xfs_trans {
92 unsigned int t_magic; /* magic number */
93 unsigned int t_type; /* transaction type */
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 */
100 struct xlog_ticket *t_ticket; /* log mgr ticket */
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 */
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 */
114#if defined(DEBUG) || defined(XFS_WARN)
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 */
127 struct list_head t_items; /* log item descriptors */
128 struct list_head t_busy; /* list of busy extents */
129 unsigned long t_pflags; /* saved process flags state */
130} xfs_trans_t;
131
132/*
133 * XFS transaction mechanism exported interfaces that are
134 * actually macros.
135 */
136#define xfs_trans_get_log_res(tp) ((tp)->t_log_res)
137#define xfs_trans_get_log_count(tp) ((tp)->t_log_count)
138#define xfs_trans_get_block_res(tp) ((tp)->t_blk_res)
139#define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC)
140
141#if defined(DEBUG) || defined(XFS_WARN)
142#define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d)
143#define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d)
144#define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d)
145#else
146#define xfs_trans_agblocks_delta(tp, d)
147#define xfs_trans_agflist_delta(tp, d)
148#define xfs_trans_agbtree_delta(tp, d)
149#endif
150
151/*
152 * XFS transaction mechanism exported interfaces.
153 */
154xfs_trans_t *xfs_trans_alloc(struct xfs_mount *, uint);
155xfs_trans_t *_xfs_trans_alloc(struct xfs_mount *, uint, xfs_km_flags_t);
156xfs_trans_t *xfs_trans_dup(xfs_trans_t *);
157int xfs_trans_reserve(struct xfs_trans *, struct xfs_trans_res *,
158 uint, uint);
159void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);
160
161struct xfs_buf *xfs_trans_get_buf_map(struct xfs_trans *tp,
162 struct xfs_buftarg *target,
163 struct xfs_buf_map *map, int nmaps,
164 uint flags);
165
166static inline struct xfs_buf *
167xfs_trans_get_buf(
168 struct xfs_trans *tp,
169 struct xfs_buftarg *target,
170 xfs_daddr_t blkno,
171 int numblks,
172 uint flags)
173{
174 DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
175 return xfs_trans_get_buf_map(tp, target, &map, 1, flags);
176}
177
178int xfs_trans_read_buf_map(struct xfs_mount *mp,
179 struct xfs_trans *tp,
180 struct xfs_buftarg *target,
181 struct xfs_buf_map *map, int nmaps,
182 xfs_buf_flags_t flags,
183 struct xfs_buf **bpp,
184 const struct xfs_buf_ops *ops);
185
186static inline int
187xfs_trans_read_buf(
188 struct xfs_mount *mp,
189 struct xfs_trans *tp,
190 struct xfs_buftarg *target,
191 xfs_daddr_t blkno,
192 int numblks,
193 xfs_buf_flags_t flags,
194 struct xfs_buf **bpp,
195 const struct xfs_buf_ops *ops)
196{
197 DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
198 return xfs_trans_read_buf_map(mp, tp, target, &map, 1,
199 flags, bpp, ops);
200}
201
202struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int);
203
204void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *);
205void xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *);
206void xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *);
207void xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *);
208void xfs_trans_binval(xfs_trans_t *, struct xfs_buf *);
209void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *);
210void xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *);
211void xfs_trans_ordered_buf(xfs_trans_t *, struct xfs_buf *);
212void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint);
213void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *);
214void xfs_trans_ichgtime(struct xfs_trans *, struct xfs_inode *, int);
215void xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *, uint);
216void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint);
217void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint);
218struct xfs_efi_log_item *xfs_trans_get_efi(xfs_trans_t *, uint);
219void xfs_efi_release(struct xfs_efi_log_item *, uint);
220void xfs_trans_log_efi_extent(xfs_trans_t *,
221 struct xfs_efi_log_item *,
222 xfs_fsblock_t,
223 xfs_extlen_t);
224struct xfs_efd_log_item *xfs_trans_get_efd(xfs_trans_t *,
225 struct xfs_efi_log_item *,
226 uint);
227void xfs_trans_log_efd_extent(xfs_trans_t *,
228 struct xfs_efd_log_item *,
229 xfs_fsblock_t,
230 xfs_extlen_t);
231int xfs_trans_commit(xfs_trans_t *, uint flags);
232int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
233void xfs_trans_cancel(xfs_trans_t *, int);
234int xfs_trans_ail_init(struct xfs_mount *);
235void xfs_trans_ail_destroy(struct xfs_mount *);
236
237void xfs_trans_buf_set_type(struct xfs_trans *, struct xfs_buf *,
238 enum xfs_blft);
239void xfs_trans_buf_copy_type(struct xfs_buf *dst_bp,
240 struct xfs_buf *src_bp);
241
242extern kmem_zone_t *xfs_trans_zone;
243extern kmem_zone_t *xfs_log_item_desc_zone;
244
245#endif /* __XFS_TRANS_H__ */
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_busy_extent;
36struct xfs_rud_log_item;
37struct xfs_rui_log_item;
38struct xfs_btree_cur;
39struct xfs_cui_log_item;
40struct xfs_cud_log_item;
41struct xfs_defer_ops;
42struct xfs_bui_log_item;
43struct xfs_bud_log_item;
44
45typedef struct xfs_log_item {
46 struct list_head li_ail; /* AIL pointers */
47 xfs_lsn_t li_lsn; /* last on-disk lsn */
48 struct xfs_log_item_desc *li_desc; /* ptr to current desc*/
49 struct xfs_mount *li_mountp; /* ptr to fs mount */
50 struct xfs_ail *li_ailp; /* ptr to AIL */
51 uint li_type; /* item type */
52 uint li_flags; /* misc flags */
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 */
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
70#define XFS_LI_FLAGS \
71 { XFS_LI_IN_AIL, "IN_AIL" }, \
72 { XFS_LI_ABORTED, "ABORTED" }
73
74struct xfs_item_ops {
75 void (*iop_size)(xfs_log_item_t *, int *, int *);
76 void (*iop_format)(xfs_log_item_t *, struct xfs_log_vec *);
77 void (*iop_pin)(xfs_log_item_t *);
78 void (*iop_unpin)(xfs_log_item_t *, int remove);
79 uint (*iop_push)(struct xfs_log_item *, struct list_head *);
80 void (*iop_unlock)(xfs_log_item_t *);
81 xfs_lsn_t (*iop_committed)(xfs_log_item_t *, xfs_lsn_t);
82 void (*iop_committing)(xfs_log_item_t *, xfs_lsn_t);
83};
84
85void xfs_log_item_init(struct xfs_mount *mp, struct xfs_log_item *item,
86 int type, const struct xfs_item_ops *ops);
87
88/*
89 * Return values for the iop_push() routines.
90 */
91#define XFS_ITEM_SUCCESS 0
92#define XFS_ITEM_PINNED 1
93#define XFS_ITEM_LOCKED 2
94#define XFS_ITEM_FLUSHING 3
95
96
97/*
98 * This is the structure maintained for every active transaction.
99 */
100typedef struct xfs_trans {
101 unsigned int t_magic; /* magic number */
102 unsigned int t_log_res; /* amt of log space resvd */
103 unsigned int t_log_count; /* count for perm log res */
104 unsigned int t_blk_res; /* # of blocks resvd */
105 unsigned int t_blk_res_used; /* # of resvd blocks used */
106 unsigned int t_rtx_res; /* # of rt extents resvd */
107 unsigned int t_rtx_res_used; /* # of resvd rt extents used */
108 struct xlog_ticket *t_ticket; /* log mgr ticket */
109 xfs_lsn_t t_lsn; /* log seq num of start of
110 * transaction. */
111 xfs_lsn_t t_commit_lsn; /* log seq num of end of
112 * transaction. */
113 struct xfs_mount *t_mountp; /* ptr to fs mount struct */
114 struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */
115 unsigned int t_flags; /* misc flags */
116 int64_t t_icount_delta; /* superblock icount change */
117 int64_t t_ifree_delta; /* superblock ifree change */
118 int64_t t_fdblocks_delta; /* superblock fdblocks chg */
119 int64_t t_res_fdblocks_delta; /* on-disk only chg */
120 int64_t t_frextents_delta;/* superblock freextents chg*/
121 int64_t t_res_frextents_delta; /* on-disk only chg */
122#if defined(DEBUG) || defined(XFS_WARN)
123 int64_t t_ag_freeblks_delta; /* debugging counter */
124 int64_t t_ag_flist_delta; /* debugging counter */
125 int64_t t_ag_btree_delta; /* debugging counter */
126#endif
127 int64_t t_dblocks_delta;/* superblock dblocks change */
128 int64_t t_agcount_delta;/* superblock agcount change */
129 int64_t t_imaxpct_delta;/* superblock imaxpct change */
130 int64_t t_rextsize_delta;/* superblock rextsize chg */
131 int64_t t_rbmblocks_delta;/* superblock rbmblocks chg */
132 int64_t t_rblocks_delta;/* superblock rblocks change */
133 int64_t t_rextents_delta;/* superblocks rextents chg */
134 int64_t t_rextslog_delta;/* superblocks rextslog chg */
135 struct list_head t_items; /* log item descriptors */
136 struct list_head t_busy; /* list of busy extents */
137 unsigned long t_pflags; /* saved process flags state */
138} xfs_trans_t;
139
140/*
141 * XFS transaction mechanism exported interfaces that are
142 * actually macros.
143 */
144#define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC)
145
146#if defined(DEBUG) || defined(XFS_WARN)
147#define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d)
148#define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d)
149#define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d)
150#else
151#define xfs_trans_agblocks_delta(tp, d)
152#define xfs_trans_agflist_delta(tp, d)
153#define xfs_trans_agbtree_delta(tp, d)
154#endif
155
156/*
157 * XFS transaction mechanism exported interfaces.
158 */
159int xfs_trans_alloc(struct xfs_mount *mp, struct xfs_trans_res *resp,
160 uint blocks, uint rtextents, uint flags,
161 struct xfs_trans **tpp);
162void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);
163
164struct xfs_buf *xfs_trans_get_buf_map(struct xfs_trans *tp,
165 struct xfs_buftarg *target,
166 struct xfs_buf_map *map, int nmaps,
167 uint flags);
168
169static inline struct xfs_buf *
170xfs_trans_get_buf(
171 struct xfs_trans *tp,
172 struct xfs_buftarg *target,
173 xfs_daddr_t blkno,
174 int numblks,
175 uint flags)
176{
177 DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
178 return xfs_trans_get_buf_map(tp, target, &map, 1, flags);
179}
180
181int xfs_trans_read_buf_map(struct xfs_mount *mp,
182 struct xfs_trans *tp,
183 struct xfs_buftarg *target,
184 struct xfs_buf_map *map, int nmaps,
185 xfs_buf_flags_t flags,
186 struct xfs_buf **bpp,
187 const struct xfs_buf_ops *ops);
188
189static inline int
190xfs_trans_read_buf(
191 struct xfs_mount *mp,
192 struct xfs_trans *tp,
193 struct xfs_buftarg *target,
194 xfs_daddr_t blkno,
195 int numblks,
196 xfs_buf_flags_t flags,
197 struct xfs_buf **bpp,
198 const struct xfs_buf_ops *ops)
199{
200 DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
201 return xfs_trans_read_buf_map(mp, tp, target, &map, 1,
202 flags, bpp, ops);
203}
204
205struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *, int);
206
207void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *);
208void xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *);
209void xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *);
210void xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *);
211void xfs_trans_binval(xfs_trans_t *, struct xfs_buf *);
212void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *);
213void xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *);
214void xfs_trans_ordered_buf(xfs_trans_t *, struct xfs_buf *);
215void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint);
216void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *);
217void xfs_trans_ichgtime(struct xfs_trans *, struct xfs_inode *, int);
218void xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *, uint);
219void xfs_trans_log_buf(xfs_trans_t *, struct xfs_buf *, uint, uint);
220void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint);
221
222void xfs_extent_free_init_defer_op(void);
223struct xfs_efd_log_item *xfs_trans_get_efd(struct xfs_trans *,
224 struct xfs_efi_log_item *,
225 uint);
226int xfs_trans_free_extent(struct xfs_trans *,
227 struct xfs_efd_log_item *, xfs_fsblock_t,
228 xfs_extlen_t, struct xfs_owner_info *);
229int xfs_trans_commit(struct xfs_trans *);
230int __xfs_trans_roll(struct xfs_trans **, struct xfs_inode *, int *);
231int xfs_trans_roll(struct xfs_trans **, struct xfs_inode *);
232void xfs_trans_cancel(xfs_trans_t *);
233int xfs_trans_ail_init(struct xfs_mount *);
234void xfs_trans_ail_destroy(struct xfs_mount *);
235
236void xfs_trans_buf_set_type(struct xfs_trans *, struct xfs_buf *,
237 enum xfs_blft);
238void xfs_trans_buf_copy_type(struct xfs_buf *dst_bp,
239 struct xfs_buf *src_bp);
240
241extern kmem_zone_t *xfs_trans_zone;
242extern kmem_zone_t *xfs_log_item_desc_zone;
243
244/* rmap updates */
245enum xfs_rmap_intent_type;
246
247void xfs_rmap_update_init_defer_op(void);
248struct xfs_rud_log_item *xfs_trans_get_rud(struct xfs_trans *tp,
249 struct xfs_rui_log_item *ruip);
250int xfs_trans_log_finish_rmap_update(struct xfs_trans *tp,
251 struct xfs_rud_log_item *rudp, enum xfs_rmap_intent_type type,
252 __uint64_t owner, int whichfork, xfs_fileoff_t startoff,
253 xfs_fsblock_t startblock, xfs_filblks_t blockcount,
254 xfs_exntst_t state, struct xfs_btree_cur **pcur);
255
256/* refcount updates */
257enum xfs_refcount_intent_type;
258
259void xfs_refcount_update_init_defer_op(void);
260struct xfs_cud_log_item *xfs_trans_get_cud(struct xfs_trans *tp,
261 struct xfs_cui_log_item *cuip);
262int xfs_trans_log_finish_refcount_update(struct xfs_trans *tp,
263 struct xfs_cud_log_item *cudp, struct xfs_defer_ops *dfops,
264 enum xfs_refcount_intent_type type, xfs_fsblock_t startblock,
265 xfs_extlen_t blockcount, xfs_fsblock_t *new_fsb,
266 xfs_extlen_t *new_len, struct xfs_btree_cur **pcur);
267
268/* mapping updates */
269enum xfs_bmap_intent_type;
270
271void xfs_bmap_update_init_defer_op(void);
272struct xfs_bud_log_item *xfs_trans_get_bud(struct xfs_trans *tp,
273 struct xfs_bui_log_item *buip);
274int xfs_trans_log_finish_bmap_update(struct xfs_trans *tp,
275 struct xfs_bud_log_item *rudp, struct xfs_defer_ops *dfops,
276 enum xfs_bmap_intent_type type, struct xfs_inode *ip,
277 int whichfork, xfs_fileoff_t startoff, xfs_fsblock_t startblock,
278 xfs_filblks_t blockcount, xfs_exntst_t state);
279
280#endif /* __XFS_TRANS_H__ */