1#ifndef __INTERMEZZO_KML_H
2#define __INTERMEZZO_KML_H
3
4#include <linux/version.h>
5#include <linux/intermezzo_psdev.h>
6#include <linux/fs.h>
7#include <linux/intermezzo_journal.h>
8
9#define PRESTO_KML_MAJOR_VERSION 0x00010000
10#define PRESTO_KML_MINOR_VERSION 0x00002001
11#define PRESTO_OP_NOOP 0
12#define PRESTO_OP_CREATE 1
13#define PRESTO_OP_MKDIR 2
14#define PRESTO_OP_UNLINK 3
15#define PRESTO_OP_RMDIR 4
16#define PRESTO_OP_CLOSE 5
17#define PRESTO_OP_SYMLINK 6
18#define PRESTO_OP_RENAME 7
19#define PRESTO_OP_SETATTR 8
20#define PRESTO_OP_LINK 9
21#define PRESTO_OP_OPEN 10
22#define PRESTO_OP_MKNOD 11
23#define PRESTO_OP_WRITE 12
24#define PRESTO_OP_RELEASE 13
25#define PRESTO_OP_TRUNC 14
26#define PRESTO_OP_SETEXTATTR 15
27#define PRESTO_OP_DELEXTATTR 16
28
29#define PRESTO_LML_DONE 1
30#define KML_KOP_MARK 0xffff
31
32struct presto_lml_data {
33 loff_t rec_offset;
34};
35
36struct big_journal_prefix {
37 u32 len;
38 u32 version;
39 u32 pid;
40 u32 uid;
41 u32 fsuid;
42 u32 fsgid;
43 u32 opcode;
44 u32 ngroups;
45 u32 groups[NGROUPS_MAX];
46};
47
48enum kml_opcode {
49 KML_CREATE = 1,
50 KML_MKDIR,
51 KML_UNLINK,
52 KML_RMDIR,
53 KML_CLOSE,
54 KML_SYMLINK,
55 KML_RENAME,
56 KML_SETATTR,
57 KML_LINK,
58 KML_OPEN,
59 KML_MKNOD,
60 KML_ENDMARK = 0xff
61};
62
63struct kml_create {
64 char *path;
65 struct presto_version new_objectv,
66 old_parentv,
67 new_parentv;
68 int mode;
69 int uid;
70 int gid;
71};
72
73struct kml_open {
74};
75
76struct kml_mkdir {
77 char *path;
78 struct presto_version new_objectv,
79 old_parentv,
80 new_parentv;
81 int mode;
82 int uid;
83 int gid;
84};
85
86struct kml_unlink {
87 char *path,
88 *name;
89 struct presto_version old_tgtv,
90 old_parentv,
91 new_parentv;
92};
93
94struct kml_rmdir {
95 char *path,
96 *name;
97 struct presto_version old_tgtv,
98 old_parentv,
99 new_parentv;
100};
101
102struct kml_close {
103 int open_mode,
104 open_uid,
105 open_gid;
106 char *path;
107 struct presto_version new_objectv;
108 __u64 ino;
109 int generation;
110};
111
112struct kml_symlink {
113 char *sourcepath,
114 *targetpath;
115 struct presto_version new_objectv,
116 old_parentv,
117 new_parentv;
118 int uid;
119 int gid;
120};
121
122struct kml_rename {
123 char *sourcepath,
124 *targetpath;
125 struct presto_version old_objectv,
126 new_objectv,
127 old_tgtv,
128 new_tgtv;
129};
130
131struct kml_setattr {
132 char *path;
133 struct presto_version old_objectv;
134 struct iattr iattr;
135};
136
137struct kml_link {
138 char *sourcepath,
139 *targetpath;
140 struct presto_version new_objectv,
141 old_parentv,
142 new_parentv;
143};
144
145struct kml_mknod {
146 char *path;
147 struct presto_version new_objectv,
148 old_parentv,
149 new_parentv;
150 int mode;
151 int uid;
152 int gid;
153 int major;
154 int minor;
155};
156
157
158struct kml_kop_node
159{
160 u32 kml_recno;
161 u32 kml_flag;
162 u32 kml_op;
163 nlink_t i_nlink;
164 u32 i_ino;
165};
166
167struct kml_kop_lnode
168{
169 struct list_head chains;
170 struct kml_kop_node node;
171};
172
173struct kml_endmark {
174 u32 total;
175 struct kml_kop_node *kop;
176};
177
178
179#define KML_REC_DELETE 1
180#define KML_REC_EXIST 0
181
182struct kml_optimize {
183 struct list_head kml_chains;
184 u32 kml_flag;
185 u32 kml_op;
186 nlink_t i_nlink;
187 u32 i_ino;
188};
189
190struct kml_rec {
191
192 int rec_size;
193 int rec_kml_offset;
194
195 struct big_journal_prefix rec_head;
196 union {
197 struct kml_create create;
198 struct kml_open open;
199 struct kml_mkdir mkdir;
200 struct kml_unlink unlink;
201 struct kml_rmdir rmdir;
202 struct kml_close close;
203 struct kml_symlink symlink;
204 struct kml_rename rename;
205 struct kml_setattr setattr;
206 struct kml_mknod mknod;
207 struct kml_link link;
208 struct kml_endmark endmark;
209 } rec_kml;
210 struct journal_suffix rec_tail;
211
212
213 struct kml_optimize kml_optimize;
214};
215
216
217extern void kml_kop_init (struct presto_file_set *fset);
218extern void kml_kop_addrec (struct presto_file_set *fset,
219 struct inode *ino, u32 op, u32 flag);
220extern int kml_kop_flush (struct presto_file_set *fset);
221
222
223extern int kml_init (struct presto_file_set *fset);
224extern int kml_cleanup (struct presto_file_set *fset);
225
226
227extern int begin_kml_reint (struct file *file, unsigned long arg);
228extern int do_kml_reint (struct file *file, unsigned long arg);
229extern int end_kml_reint (struct file *file, unsigned long arg);
230
231
232extern char *dlogit (void *tbuf, const void *sbuf, int size);
233extern char * bdup_printf (char *format, ...);
234
235
236
237#define PRINT_KML_PREFIX 0x1
238#define PRINT_KML_SUFFIX 0x2
239#define PRINT_KML_REC 0x4
240#define PRINT_KML_OPTIMIZE 0x8
241#define PRINT_KML_EXIST 0x10
242#define PRINT_KML_DELETE 0x20
243extern void kml_printrec (struct kml_rec *rec, int printop);
244extern int print_allkmlrec (struct list_head *head, int printop);
245extern int delete_kmlrec (struct list_head *head);
246extern int kml_decoderec (char *buf, int pos, int buflen, int *size,
247 struct kml_rec **newrec);
248extern int decode_kmlrec (struct list_head *head, char *kml_buf, int buflen);
249extern void kml_freerec (struct kml_rec *rec);
250
251
252#define KML_CLOSE_BACKFETCH 1
253extern int kml_reintbuf (struct kml_fsdata *kml_fsdata,
254 char *mtpt, struct kml_rec **rec);
255
256
257extern int kml_init (struct presto_file_set *fset);
258extern int kml_cleanup (struct presto_file_set *fset);
259
260#endif
261
262
