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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__ */
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__ */