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;
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__ */
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 const struct xfs_item_ops *li_ops; /* function list */
41
42 /* delayed logging */
43 struct list_head li_cil; /* CIL pointers */
44 struct xfs_log_vec *li_lv; /* active log vector */
45 struct xfs_log_vec *li_lv_shadow; /* standby vector */
46 xfs_lsn_t li_seq; /* CIL commit seq */
47};
48
49/*
50 * li_flags use the (set/test/clear)_bit atomic interfaces because updates can
51 * race with each other and we don't want to have to use the AIL lock to
52 * serialise all updates.
53 */
54#define XFS_LI_IN_AIL 0
55#define XFS_LI_ABORTED 1
56#define XFS_LI_FAILED 2
57#define XFS_LI_DIRTY 3 /* log item dirty in transaction */
58#define XFS_LI_RECOVERED 4 /* log intent item has been recovered */
59
60#define XFS_LI_FLAGS \
61 { (1 << XFS_LI_IN_AIL), "IN_AIL" }, \
62 { (1 << XFS_LI_ABORTED), "ABORTED" }, \
63 { (1 << XFS_LI_FAILED), "FAILED" }, \
64 { (1 << XFS_LI_DIRTY), "DIRTY" }, \
65 { (1 << XFS_LI_RECOVERED), "RECOVERED" }
66
67struct xfs_item_ops {
68 unsigned flags;
69 void (*iop_size)(struct xfs_log_item *, int *, int *);
70 void (*iop_format)(struct xfs_log_item *, struct xfs_log_vec *);
71 void (*iop_pin)(struct xfs_log_item *);
72 void (*iop_unpin)(struct xfs_log_item *, int remove);
73 uint (*iop_push)(struct xfs_log_item *, struct list_head *);
74 void (*iop_committing)(struct xfs_log_item *, xfs_lsn_t commit_lsn);
75 void (*iop_release)(struct xfs_log_item *);
76 xfs_lsn_t (*iop_committed)(struct xfs_log_item *, xfs_lsn_t);
77 int (*iop_recover)(struct xfs_log_item *lip, struct xfs_trans *tp);
78 bool (*iop_match)(struct xfs_log_item *item, uint64_t id);
79};
80
81/*
82 * Release the log item as soon as committed. This is for items just logging
83 * intents that never need to be written back in place.
84 */
85#define XFS_ITEM_RELEASE_WHEN_COMMITTED (1 << 0)
86
87void xfs_log_item_init(struct xfs_mount *mp, struct xfs_log_item *item,
88 int type, const struct xfs_item_ops *ops);
89
90/*
91 * Return values for the iop_push() routines.
92 */
93#define XFS_ITEM_SUCCESS 0
94#define XFS_ITEM_PINNED 1
95#define XFS_ITEM_LOCKED 2
96#define XFS_ITEM_FLUSHING 3
97
98/*
99 * Deferred operation item relogging limits.
100 */
101#define XFS_DEFER_OPS_NR_INODES 2 /* join up to two inodes */
102#define XFS_DEFER_OPS_NR_BUFS 2 /* join up to two buffers */
103
104/*
105 * This is the structure maintained for every active transaction.
106 */
107typedef struct xfs_trans {
108 unsigned int t_magic; /* magic number */
109 unsigned int t_log_res; /* amt of log space resvd */
110 unsigned int t_log_count; /* count for perm log res */
111 unsigned int t_blk_res; /* # of blocks resvd */
112 unsigned int t_blk_res_used; /* # of resvd blocks used */
113 unsigned int t_rtx_res; /* # of rt extents resvd */
114 unsigned int t_rtx_res_used; /* # of resvd rt extents used */
115 unsigned int t_flags; /* misc flags */
116 xfs_fsblock_t t_firstblock; /* first block allocated */
117 struct xlog_ticket *t_ticket; /* log mgr ticket */
118 struct xfs_mount *t_mountp; /* ptr to fs mount struct */
119 struct xfs_dquot_acct *t_dqinfo; /* acctg info for dquots */
120 int64_t t_icount_delta; /* superblock icount change */
121 int64_t t_ifree_delta; /* superblock ifree change */
122 int64_t t_fdblocks_delta; /* superblock fdblocks chg */
123 int64_t t_res_fdblocks_delta; /* on-disk only chg */
124 int64_t t_frextents_delta;/* superblock freextents chg*/
125 int64_t t_res_frextents_delta; /* on-disk only chg */
126#if defined(DEBUG) || defined(XFS_WARN)
127 int64_t t_ag_freeblks_delta; /* debugging counter */
128 int64_t t_ag_flist_delta; /* debugging counter */
129 int64_t t_ag_btree_delta; /* debugging counter */
130#endif
131 int64_t t_dblocks_delta;/* superblock dblocks change */
132 int64_t t_agcount_delta;/* superblock agcount change */
133 int64_t t_imaxpct_delta;/* superblock imaxpct change */
134 int64_t t_rextsize_delta;/* superblock rextsize chg */
135 int64_t t_rbmblocks_delta;/* superblock rbmblocks chg */
136 int64_t t_rblocks_delta;/* superblock rblocks change */
137 int64_t t_rextents_delta;/* superblocks rextents chg */
138 int64_t t_rextslog_delta;/* superblocks rextslog chg */
139 struct list_head t_items; /* log item descriptors */
140 struct list_head t_busy; /* list of busy extents */
141 struct list_head t_dfops; /* deferred operations */
142 unsigned long t_pflags; /* saved process flags state */
143} xfs_trans_t;
144
145/*
146 * XFS transaction mechanism exported interfaces that are
147 * actually macros.
148 */
149#define xfs_trans_set_sync(tp) ((tp)->t_flags |= XFS_TRANS_SYNC)
150
151#if defined(DEBUG) || defined(XFS_WARN)
152#define xfs_trans_agblocks_delta(tp, d) ((tp)->t_ag_freeblks_delta += (int64_t)d)
153#define xfs_trans_agflist_delta(tp, d) ((tp)->t_ag_flist_delta += (int64_t)d)
154#define xfs_trans_agbtree_delta(tp, d) ((tp)->t_ag_btree_delta += (int64_t)d)
155#else
156#define xfs_trans_agblocks_delta(tp, d)
157#define xfs_trans_agflist_delta(tp, d)
158#define xfs_trans_agbtree_delta(tp, d)
159#endif
160
161/*
162 * XFS transaction mechanism exported interfaces.
163 */
164int xfs_trans_alloc(struct xfs_mount *mp, struct xfs_trans_res *resp,
165 uint blocks, uint rtextents, uint flags,
166 struct xfs_trans **tpp);
167int xfs_trans_alloc_empty(struct xfs_mount *mp,
168 struct xfs_trans **tpp);
169void xfs_trans_mod_sb(xfs_trans_t *, uint, int64_t);
170
171int xfs_trans_get_buf_map(struct xfs_trans *tp, struct xfs_buftarg *target,
172 struct xfs_buf_map *map, int nmaps, xfs_buf_flags_t flags,
173 struct xfs_buf **bpp);
174
175static inline int
176xfs_trans_get_buf(
177 struct xfs_trans *tp,
178 struct xfs_buftarg *target,
179 xfs_daddr_t blkno,
180 int numblks,
181 uint flags,
182 struct xfs_buf **bpp)
183{
184 DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
185 return xfs_trans_get_buf_map(tp, target, &map, 1, flags, bpp);
186}
187
188int xfs_trans_read_buf_map(struct xfs_mount *mp,
189 struct xfs_trans *tp,
190 struct xfs_buftarg *target,
191 struct xfs_buf_map *map, int nmaps,
192 xfs_buf_flags_t flags,
193 struct xfs_buf **bpp,
194 const struct xfs_buf_ops *ops);
195
196static inline int
197xfs_trans_read_buf(
198 struct xfs_mount *mp,
199 struct xfs_trans *tp,
200 struct xfs_buftarg *target,
201 xfs_daddr_t blkno,
202 int numblks,
203 xfs_buf_flags_t flags,
204 struct xfs_buf **bpp,
205 const struct xfs_buf_ops *ops)
206{
207 DEFINE_SINGLE_BUF_MAP(map, blkno, numblks);
208 return xfs_trans_read_buf_map(mp, tp, target, &map, 1,
209 flags, bpp, ops);
210}
211
212struct xfs_buf *xfs_trans_getsb(xfs_trans_t *, struct xfs_mount *);
213
214void xfs_trans_brelse(xfs_trans_t *, struct xfs_buf *);
215void xfs_trans_bjoin(xfs_trans_t *, struct xfs_buf *);
216void xfs_trans_bhold(xfs_trans_t *, struct xfs_buf *);
217void xfs_trans_bhold_release(xfs_trans_t *, struct xfs_buf *);
218void xfs_trans_binval(xfs_trans_t *, struct xfs_buf *);
219void xfs_trans_inode_buf(xfs_trans_t *, struct xfs_buf *);
220void xfs_trans_stale_inode_buf(xfs_trans_t *, struct xfs_buf *);
221bool xfs_trans_ordered_buf(xfs_trans_t *, struct xfs_buf *);
222void xfs_trans_dquot_buf(xfs_trans_t *, struct xfs_buf *, uint);
223void xfs_trans_inode_alloc_buf(xfs_trans_t *, struct xfs_buf *);
224void xfs_trans_ichgtime(struct xfs_trans *, struct xfs_inode *, int);
225void xfs_trans_ijoin(struct xfs_trans *, struct xfs_inode *, uint);
226void xfs_trans_log_buf(struct xfs_trans *, struct xfs_buf *, uint,
227 uint);
228void xfs_trans_dirty_buf(struct xfs_trans *, struct xfs_buf *);
229bool xfs_trans_buf_is_dirty(struct xfs_buf *bp);
230void xfs_trans_log_inode(xfs_trans_t *, struct xfs_inode *, uint);
231
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;
245
246#endif /* __XFS_TRANS_H__ */