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18#ifndef __XFS_TRANS_H__
19#define __XFS_TRANS_H__
20
21
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;
46 xfs_lsn_t li_lsn;
47 struct xfs_log_item_desc *li_desc;
48 struct xfs_mount *li_mountp;
49 struct xfs_ail *li_ailp;
50 uint li_type;
51 uint li_flags;
52 struct xfs_buf *li_buf;
53 struct list_head li_bio_list;
54 void (*li_cb)(struct xfs_buf *,
55 struct xfs_log_item *);
56
57
58 const struct xfs_item_ops *li_ops;
59
60
61 struct list_head li_cil;
62 struct xfs_log_vec *li_lv;
63 struct xfs_log_vec *li_lv_shadow;
64 xfs_lsn_t li_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
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
102
103typedef struct xfs_trans {
104 unsigned int t_magic;
105 unsigned int t_log_res;
106 unsigned int t_log_count;
107 unsigned int t_blk_res;
108 unsigned int t_blk_res_used;
109 unsigned int t_rtx_res;
110 unsigned int t_rtx_res_used;
111 struct xlog_ticket *t_ticket;
112 struct xfs_mount *t_mountp;
113 struct xfs_dquot_acct *t_dqinfo;
114 unsigned int t_flags;
115 int64_t t_icount_delta;
116 int64_t t_ifree_delta;
117 int64_t t_fdblocks_delta;
118 int64_t t_res_fdblocks_delta;
119 int64_t t_frextents_delta;
120 int64_t t_res_frextents_delta;
121#if defined(DEBUG) || defined(XFS_WARN)
122 int64_t t_ag_freeblks_delta;
123 int64_t t_ag_flist_delta;
124 int64_t t_ag_btree_delta;
125#endif
126 int64_t t_dblocks_delta;
127 int64_t t_agcount_delta;
128 int64_t t_imaxpct_delta;
129 int64_t t_rextsize_delta;
130 int64_t t_rbmblocks_delta;
131 int64_t t_rblocks_delta;
132 int64_t t_rextents_delta;
133 int64_t t_rextslog_delta;
134 struct list_head t_items;
135 struct list_head t_busy;
136 unsigned long t_pflags;
137} xfs_trans_t;
138
139
140
141
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
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
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
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
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
284