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Commit | Line | Data |
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b3b94faa DT |
1 | /* |
2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | |
3a8a9a10 | 3 | * Copyright (C) 2004-2006 Red Hat, Inc. All rights reserved. |
b3b94faa DT |
4 | * |
5 | * This copyrighted material is made available to anyone wishing to use, | |
6 | * modify, copy, or redistribute it subject to the terms and conditions | |
e9fc2aa0 | 7 | * of the GNU General Public License version 2. |
b3b94faa DT |
8 | */ |
9 | ||
10 | #ifndef __INCORE_DOT_H__ | |
11 | #define __INCORE_DOT_H__ | |
12 | ||
13 | #define DIO_FORCE 0x00000001 | |
14 | #define DIO_CLEAN 0x00000002 | |
15 | #define DIO_DIRTY 0x00000004 | |
16 | #define DIO_START 0x00000008 | |
17 | #define DIO_WAIT 0x00000010 | |
18 | #define DIO_METADATA 0x00000020 | |
19 | #define DIO_DATA 0x00000040 | |
20 | #define DIO_RELEASE 0x00000080 | |
21 | #define DIO_ALL 0x00000100 | |
22 | ||
23 | struct gfs2_log_operations; | |
24 | struct gfs2_log_element; | |
b3b94faa DT |
25 | struct gfs2_holder; |
26 | struct gfs2_glock; | |
b3b94faa | 27 | struct gfs2_quota_data; |
b3b94faa DT |
28 | struct gfs2_trans; |
29 | struct gfs2_ail; | |
30 | struct gfs2_jdesc; | |
b3b94faa DT |
31 | struct gfs2_gl_hash_bucket; |
32 | struct gfs2_sbd; | |
33 | ||
34 | typedef void (*gfs2_glop_bh_t) (struct gfs2_glock *gl, unsigned int ret); | |
35 | ||
36 | /* | |
37 | * Structure of operations that are associated with each | |
38 | * type of element in the log. | |
39 | */ | |
40 | ||
41 | struct gfs2_log_operations { | |
42 | void (*lo_add) (struct gfs2_sbd *sdp, struct gfs2_log_element *le); | |
43 | void (*lo_incore_commit) (struct gfs2_sbd *sdp, struct gfs2_trans *tr); | |
44 | void (*lo_before_commit) (struct gfs2_sbd *sdp); | |
45 | void (*lo_after_commit) (struct gfs2_sbd *sdp, struct gfs2_ail *ai); | |
46 | void (*lo_before_scan) (struct gfs2_jdesc *jd, | |
47 | struct gfs2_log_header *head, int pass); | |
48 | int (*lo_scan_elements) (struct gfs2_jdesc *jd, unsigned int start, | |
49 | struct gfs2_log_descriptor *ld, __be64 *ptr, | |
50 | int pass); | |
51 | void (*lo_after_scan) (struct gfs2_jdesc *jd, int error, int pass); | |
b09e593d | 52 | const char *lo_name; |
b3b94faa DT |
53 | }; |
54 | ||
55 | struct gfs2_log_element { | |
56 | struct list_head le_list; | |
b09e593d | 57 | const struct gfs2_log_operations *le_ops; |
b3b94faa DT |
58 | }; |
59 | ||
60 | struct gfs2_bitmap { | |
61 | struct buffer_head *bi_bh; | |
62 | char *bi_clone; | |
cd915493 SW |
63 | u32 bi_offset; |
64 | u32 bi_start; | |
65 | u32 bi_len; | |
b3b94faa DT |
66 | }; |
67 | ||
68 | struct gfs2_rgrpd { | |
69 | struct list_head rd_list; /* Link with superblock */ | |
70 | struct list_head rd_list_mru; | |
71 | struct list_head rd_recent; /* Recently used rgrps */ | |
72 | struct gfs2_glock *rd_gl; /* Glock for this rgrp */ | |
73 | struct gfs2_rindex rd_ri; | |
74 | struct gfs2_rgrp rd_rg; | |
cd915493 | 75 | u64 rd_rg_vn; |
b3b94faa DT |
76 | struct gfs2_bitmap *rd_bits; |
77 | unsigned int rd_bh_count; | |
f55ab26a | 78 | struct mutex rd_mutex; |
cd915493 | 79 | u32 rd_free_clone; |
b3b94faa | 80 | struct gfs2_log_element rd_le; |
cd915493 SW |
81 | u32 rd_last_alloc_data; |
82 | u32 rd_last_alloc_meta; | |
b3b94faa DT |
83 | struct gfs2_sbd *rd_sbd; |
84 | }; | |
85 | ||
86 | enum gfs2_state_bits { | |
87 | BH_Pinned = BH_PrivateStart, | |
f42faf4f | 88 | BH_Escaped = BH_PrivateStart + 1, |
b3b94faa DT |
89 | }; |
90 | ||
91 | BUFFER_FNS(Pinned, pinned) | |
92 | TAS_BUFFER_FNS(Pinned, pinned) | |
f42faf4f SW |
93 | BUFFER_FNS(Escaped, escaped) |
94 | TAS_BUFFER_FNS(Escaped, escaped) | |
b3b94faa DT |
95 | |
96 | struct gfs2_bufdata { | |
97 | struct buffer_head *bd_bh; | |
98 | struct gfs2_glock *bd_gl; | |
99 | ||
100 | struct list_head bd_list_tr; | |
101 | struct gfs2_log_element bd_le; | |
102 | ||
103 | struct gfs2_ail *bd_ail; | |
104 | struct list_head bd_ail_st_list; | |
105 | struct list_head bd_ail_gl_list; | |
106 | }; | |
107 | ||
b3b94faa DT |
108 | struct gfs2_glock_operations { |
109 | void (*go_xmote_th) (struct gfs2_glock * gl, unsigned int state, | |
110 | int flags); | |
111 | void (*go_xmote_bh) (struct gfs2_glock * gl); | |
112 | void (*go_drop_th) (struct gfs2_glock * gl); | |
113 | void (*go_drop_bh) (struct gfs2_glock * gl); | |
114 | void (*go_sync) (struct gfs2_glock * gl, int flags); | |
115 | void (*go_inval) (struct gfs2_glock * gl, int flags); | |
116 | int (*go_demote_ok) (struct gfs2_glock * gl); | |
117 | int (*go_lock) (struct gfs2_holder * gh); | |
118 | void (*go_unlock) (struct gfs2_holder * gh); | |
119 | void (*go_callback) (struct gfs2_glock * gl, unsigned int state); | |
120 | void (*go_greedy) (struct gfs2_glock * gl); | |
8fb4b536 | 121 | const int go_type; |
b3b94faa DT |
122 | }; |
123 | ||
124 | enum { | |
125 | /* Actions */ | |
126 | HIF_MUTEX = 0, | |
127 | HIF_PROMOTE = 1, | |
128 | HIF_DEMOTE = 2, | |
129 | HIF_GREEDY = 3, | |
130 | ||
131 | /* States */ | |
132 | HIF_ALLOCED = 4, | |
133 | HIF_DEALLOC = 5, | |
134 | HIF_HOLDER = 6, | |
135 | HIF_FIRST = 7, | |
b3b94faa DT |
136 | HIF_ABORTED = 9, |
137 | }; | |
138 | ||
139 | struct gfs2_holder { | |
140 | struct list_head gh_list; | |
141 | ||
142 | struct gfs2_glock *gh_gl; | |
143 | struct task_struct *gh_owner; | |
144 | unsigned int gh_state; | |
fe1bdedc | 145 | unsigned gh_flags; |
b3b94faa DT |
146 | |
147 | int gh_error; | |
695165df | 148 | unsigned long gh_iflags; |
b3b94faa | 149 | struct completion gh_wait; |
d0dc80db | 150 | unsigned long gh_ip; |
b3b94faa DT |
151 | }; |
152 | ||
153 | enum { | |
154 | GLF_PLUG = 0, | |
155 | GLF_LOCK = 1, | |
156 | GLF_STICKY = 2, | |
157 | GLF_PREFETCH = 3, | |
b3b94faa DT |
158 | GLF_DIRTY = 5, |
159 | GLF_SKIP_WAITERS2 = 6, | |
160 | GLF_GREEDY = 7, | |
161 | }; | |
162 | ||
163 | struct gfs2_glock { | |
164 | struct list_head gl_list; | |
165 | unsigned long gl_flags; /* GLF_... */ | |
166 | struct lm_lockname gl_name; | |
167 | struct kref gl_ref; | |
168 | ||
169 | spinlock_t gl_spin; | |
170 | ||
171 | unsigned int gl_state; | |
320dd101 SW |
172 | struct task_struct *gl_owner; |
173 | unsigned long gl_ip; | |
b3b94faa DT |
174 | struct list_head gl_holders; |
175 | struct list_head gl_waiters1; /* HIF_MUTEX */ | |
176 | struct list_head gl_waiters2; /* HIF_DEMOTE, HIF_GREEDY */ | |
177 | struct list_head gl_waiters3; /* HIF_PROMOTE */ | |
178 | ||
8fb4b536 | 179 | const struct gfs2_glock_operations *gl_ops; |
b3b94faa DT |
180 | |
181 | struct gfs2_holder *gl_req_gh; | |
182 | gfs2_glop_bh_t gl_req_bh; | |
183 | ||
184 | lm_lock_t *gl_lock; | |
185 | char *gl_lvb; | |
186 | atomic_t gl_lvb_count; | |
187 | ||
cd915493 | 188 | u64 gl_vn; |
b3b94faa DT |
189 | unsigned long gl_stamp; |
190 | void *gl_object; | |
191 | ||
192 | struct gfs2_gl_hash_bucket *gl_bucket; | |
193 | struct list_head gl_reclaim; | |
194 | ||
195 | struct gfs2_sbd *gl_sbd; | |
196 | ||
197 | struct inode *gl_aspace; | |
198 | struct gfs2_log_element gl_le; | |
199 | struct list_head gl_ail_list; | |
200 | atomic_t gl_ail_count; | |
201 | }; | |
202 | ||
203 | struct gfs2_alloc { | |
204 | /* Quota stuff */ | |
205 | ||
e9fc2aa0 SW |
206 | struct gfs2_quota_data *al_qd[2*MAXQUOTAS]; |
207 | struct gfs2_holder al_qd_ghs[2*MAXQUOTAS]; | |
6b61b072 | 208 | unsigned int al_qd_num; |
b3b94faa | 209 | |
6b61b072 SW |
210 | u32 al_requested; /* Filled in by caller of gfs2_inplace_reserve() */ |
211 | u32 al_alloced; /* Filled in by gfs2_alloc_*() */ | |
b3b94faa DT |
212 | |
213 | /* Filled in by gfs2_inplace_reserve() */ | |
214 | ||
b3b94faa | 215 | unsigned int al_line; |
6b61b072 | 216 | char *al_file; |
b3b94faa DT |
217 | struct gfs2_holder al_ri_gh; |
218 | struct gfs2_holder al_rgd_gh; | |
219 | struct gfs2_rgrpd *al_rgd; | |
220 | ||
b3b94faa DT |
221 | }; |
222 | ||
223 | enum { | |
b3b94faa DT |
224 | GIF_QD_LOCKED = 1, |
225 | GIF_PAGED = 2, | |
226 | GIF_SW_PAGED = 3, | |
227 | }; | |
228 | ||
229 | struct gfs2_inode { | |
320dd101 | 230 | struct inode i_inode; |
b3b94faa DT |
231 | struct gfs2_inum i_num; |
232 | ||
b3b94faa DT |
233 | unsigned long i_flags; /* GIF_... */ |
234 | ||
cd915493 | 235 | u64 i_vn; |
feaa7bba | 236 | struct gfs2_dinode i_di; /* To be replaced by ref to block */ |
b3b94faa | 237 | |
feaa7bba | 238 | struct gfs2_glock *i_gl; /* Move into i_gh? */ |
b3b94faa | 239 | struct gfs2_holder i_iopen_gh; |
f42faf4f | 240 | struct gfs2_holder i_gh; /* for prepare/commit_write only */ |
b3b94faa | 241 | struct gfs2_alloc i_alloc; |
cd915493 | 242 | u64 i_last_rg_alloc; |
b3b94faa DT |
243 | |
244 | spinlock_t i_spin; | |
245 | struct rw_semaphore i_rw_mutex; | |
b3b94faa DT |
246 | unsigned int i_greedy; |
247 | unsigned long i_last_pfault; | |
248 | ||
249 | struct buffer_head *i_cache[GFS2_MAX_META_HEIGHT]; | |
250 | }; | |
251 | ||
feaa7bba SW |
252 | /* |
253 | * Since i_inode is the first element of struct gfs2_inode, | |
254 | * this is effectively a cast. | |
255 | */ | |
320dd101 SW |
256 | static inline struct gfs2_inode *GFS2_I(struct inode *inode) |
257 | { | |
258 | return container_of(inode, struct gfs2_inode, i_inode); | |
259 | } | |
260 | ||
feaa7bba SW |
261 | /* To be removed? */ |
262 | static inline struct gfs2_sbd *GFS2_SB(struct inode *inode) | |
263 | { | |
264 | return inode->i_sb->s_fs_info; | |
265 | } | |
266 | ||
b3b94faa DT |
267 | enum { |
268 | GFF_DID_DIRECT_ALLOC = 0, | |
59a1cc6b | 269 | GFF_EXLOCK = 1, |
b3b94faa DT |
270 | }; |
271 | ||
272 | struct gfs2_file { | |
273 | unsigned long f_flags; /* GFF_... */ | |
f55ab26a | 274 | struct mutex f_fl_mutex; |
b3b94faa | 275 | struct gfs2_holder f_fl_gh; |
b3b94faa DT |
276 | }; |
277 | ||
278 | struct gfs2_revoke { | |
279 | struct gfs2_log_element rv_le; | |
cd915493 | 280 | u64 rv_blkno; |
b3b94faa DT |
281 | }; |
282 | ||
283 | struct gfs2_revoke_replay { | |
284 | struct list_head rr_list; | |
cd915493 | 285 | u64 rr_blkno; |
b3b94faa DT |
286 | unsigned int rr_where; |
287 | }; | |
288 | ||
b3b94faa DT |
289 | enum { |
290 | QDF_USER = 0, | |
291 | QDF_CHANGE = 1, | |
292 | QDF_LOCKED = 2, | |
293 | }; | |
294 | ||
5c676f6d | 295 | struct gfs2_quota_lvb { |
e9fc2aa0 SW |
296 | __be32 qb_magic; |
297 | u32 __pad; | |
298 | __be64 qb_limit; /* Hard limit of # blocks to alloc */ | |
299 | __be64 qb_warn; /* Warn user when alloc is above this # */ | |
300 | __be64 qb_value; /* Current # blocks allocated */ | |
5c676f6d SW |
301 | }; |
302 | ||
b3b94faa DT |
303 | struct gfs2_quota_data { |
304 | struct list_head qd_list; | |
305 | unsigned int qd_count; | |
306 | ||
cd915493 | 307 | u32 qd_id; |
b3b94faa DT |
308 | unsigned long qd_flags; /* QDF_... */ |
309 | ||
cd915493 SW |
310 | s64 qd_change; |
311 | s64 qd_change_sync; | |
b3b94faa DT |
312 | |
313 | unsigned int qd_slot; | |
314 | unsigned int qd_slot_count; | |
315 | ||
316 | struct buffer_head *qd_bh; | |
317 | struct gfs2_quota_change *qd_bh_qc; | |
318 | unsigned int qd_bh_count; | |
319 | ||
320 | struct gfs2_glock *qd_gl; | |
321 | struct gfs2_quota_lvb qd_qb; | |
322 | ||
cd915493 | 323 | u64 qd_sync_gen; |
b3b94faa DT |
324 | unsigned long qd_last_warn; |
325 | unsigned long qd_last_touched; | |
326 | }; | |
327 | ||
328 | struct gfs2_log_buf { | |
329 | struct list_head lb_list; | |
330 | struct buffer_head *lb_bh; | |
331 | struct buffer_head *lb_real; | |
332 | }; | |
333 | ||
334 | struct gfs2_trans { | |
d0dc80db | 335 | unsigned long tr_ip; |
b3b94faa DT |
336 | |
337 | unsigned int tr_blocks; | |
338 | unsigned int tr_revokes; | |
339 | unsigned int tr_reserved; | |
340 | ||
e317ffcb | 341 | struct gfs2_holder tr_t_gh; |
b3b94faa DT |
342 | |
343 | int tr_touched; | |
344 | ||
345 | unsigned int tr_num_buf; | |
346 | unsigned int tr_num_buf_new; | |
347 | unsigned int tr_num_buf_rm; | |
348 | struct list_head tr_list_buf; | |
349 | ||
350 | unsigned int tr_num_revoke; | |
351 | unsigned int tr_num_revoke_rm; | |
352 | }; | |
353 | ||
354 | struct gfs2_ail { | |
355 | struct list_head ai_list; | |
356 | ||
357 | unsigned int ai_first; | |
358 | struct list_head ai_ail1_list; | |
359 | struct list_head ai_ail2_list; | |
360 | ||
cd915493 | 361 | u64 ai_sync_gen; |
b3b94faa DT |
362 | }; |
363 | ||
364 | struct gfs2_jdesc { | |
365 | struct list_head jd_list; | |
366 | ||
7359a19c | 367 | struct inode *jd_inode; |
b3b94faa DT |
368 | unsigned int jd_jid; |
369 | int jd_dirty; | |
370 | ||
371 | unsigned int jd_blocks; | |
372 | }; | |
373 | ||
374 | #define GFS2_GLOCKD_DEFAULT 1 | |
375 | #define GFS2_GLOCKD_MAX 16 | |
376 | ||
377 | #define GFS2_QUOTA_DEFAULT GFS2_QUOTA_OFF | |
378 | #define GFS2_QUOTA_OFF 0 | |
379 | #define GFS2_QUOTA_ACCOUNT 1 | |
380 | #define GFS2_QUOTA_ON 2 | |
381 | ||
382 | #define GFS2_DATA_DEFAULT GFS2_DATA_ORDERED | |
383 | #define GFS2_DATA_WRITEBACK 1 | |
384 | #define GFS2_DATA_ORDERED 2 | |
385 | ||
386 | struct gfs2_args { | |
387 | char ar_lockproto[GFS2_LOCKNAME_LEN]; /* Name of the Lock Protocol */ | |
388 | char ar_locktable[GFS2_LOCKNAME_LEN]; /* Name of the Lock Table */ | |
389 | char ar_hostdata[GFS2_LOCKNAME_LEN]; /* Host specific data */ | |
390 | int ar_spectator; /* Don't get a journal because we're always RO */ | |
391 | int ar_ignore_local_fs; /* Don't optimize even if local_fs is 1 */ | |
392 | int ar_localflocks; /* Let the VFS do flock|fcntl locks for us */ | |
393 | int ar_localcaching; /* Local-style caching (dangerous on multihost) */ | |
394 | int ar_debug; /* Oops on errors instead of trying to be graceful */ | |
395 | int ar_upgrade; /* Upgrade ondisk/multihost format */ | |
396 | unsigned int ar_num_glockd; /* Number of glockd threads */ | |
397 | int ar_posix_acl; /* Enable posix acls */ | |
398 | int ar_quota; /* off/account/on */ | |
399 | int ar_suiddir; /* suiddir support */ | |
400 | int ar_data; /* ordered/writeback */ | |
401 | }; | |
402 | ||
403 | struct gfs2_tune { | |
404 | spinlock_t gt_spin; | |
405 | ||
406 | unsigned int gt_ilimit; | |
407 | unsigned int gt_ilimit_tries; | |
408 | unsigned int gt_ilimit_min; | |
409 | unsigned int gt_demote_secs; /* Cache retention for unheld glock */ | |
410 | unsigned int gt_incore_log_blocks; | |
411 | unsigned int gt_log_flush_secs; | |
412 | unsigned int gt_jindex_refresh_secs; /* Check for new journal index */ | |
413 | ||
414 | unsigned int gt_scand_secs; | |
415 | unsigned int gt_recoverd_secs; | |
416 | unsigned int gt_logd_secs; | |
417 | unsigned int gt_quotad_secs; | |
b3b94faa DT |
418 | |
419 | unsigned int gt_quota_simul_sync; /* Max quotavals to sync at once */ | |
420 | unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */ | |
421 | unsigned int gt_quota_scale_num; /* Numerator */ | |
422 | unsigned int gt_quota_scale_den; /* Denominator */ | |
423 | unsigned int gt_quota_cache_secs; | |
424 | unsigned int gt_quota_quantum; /* Secs between syncs to quota file */ | |
425 | unsigned int gt_atime_quantum; /* Min secs between atime updates */ | |
426 | unsigned int gt_new_files_jdata; | |
427 | unsigned int gt_new_files_directio; | |
428 | unsigned int gt_max_atomic_write; /* Split big writes into this size */ | |
429 | unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */ | |
430 | unsigned int gt_lockdump_size; | |
431 | unsigned int gt_stall_secs; /* Detects trouble! */ | |
432 | unsigned int gt_complain_secs; | |
433 | unsigned int gt_reclaim_limit; /* Max num of glocks in reclaim list */ | |
434 | unsigned int gt_entries_per_readdir; | |
435 | unsigned int gt_prefetch_secs; /* Usage window for prefetched glocks */ | |
436 | unsigned int gt_greedy_default; | |
437 | unsigned int gt_greedy_quantum; | |
438 | unsigned int gt_greedy_max; | |
439 | unsigned int gt_statfs_quantum; | |
440 | unsigned int gt_statfs_slow; | |
441 | }; | |
442 | ||
443 | struct gfs2_gl_hash_bucket { | |
444 | rwlock_t hb_lock; | |
445 | struct list_head hb_list; | |
446 | }; | |
447 | ||
448 | enum { | |
449 | SDF_JOURNAL_CHECKED = 0, | |
450 | SDF_JOURNAL_LIVE = 1, | |
451 | SDF_SHUTDOWN = 2, | |
452 | SDF_NOATIME = 3, | |
453 | }; | |
454 | ||
455 | #define GFS2_GL_HASH_SHIFT 13 | |
456 | #define GFS2_GL_HASH_SIZE (1 << GFS2_GL_HASH_SHIFT) | |
457 | #define GFS2_GL_HASH_MASK (GFS2_GL_HASH_SIZE - 1) | |
458 | #define GFS2_FSNAME_LEN 256 | |
459 | ||
460 | struct gfs2_sbd { | |
461 | struct super_block *sd_vfs; | |
86384605 | 462 | struct super_block *sd_vfs_meta; |
b3b94faa DT |
463 | struct kobject sd_kobj; |
464 | unsigned long sd_flags; /* SDF_... */ | |
465 | struct gfs2_sb sd_sb; | |
466 | ||
467 | /* Constants computed on mount */ | |
468 | ||
cd915493 SW |
469 | u32 sd_fsb2bb; |
470 | u32 sd_fsb2bb_shift; | |
471 | u32 sd_diptrs; /* Number of pointers in a dinode */ | |
472 | u32 sd_inptrs; /* Number of pointers in a indirect block */ | |
473 | u32 sd_jbsize; /* Size of a journaled data block */ | |
474 | u32 sd_hash_bsize; /* sizeof(exhash block) */ | |
475 | u32 sd_hash_bsize_shift; | |
476 | u32 sd_hash_ptrs; /* Number of pointers in a hash block */ | |
477 | u32 sd_qc_per_block; | |
478 | u32 sd_max_dirres; /* Max blocks needed to add a directory entry */ | |
479 | u32 sd_max_height; /* Max height of a file's metadata tree */ | |
480 | u64 sd_heightsize[GFS2_MAX_META_HEIGHT]; | |
481 | u32 sd_max_jheight; /* Max height of journaled file's meta tree */ | |
482 | u64 sd_jheightsize[GFS2_MAX_META_HEIGHT]; | |
b3b94faa DT |
483 | |
484 | struct gfs2_args sd_args; /* Mount arguments */ | |
485 | struct gfs2_tune sd_tune; /* Filesystem tuning structure */ | |
486 | ||
487 | /* Lock Stuff */ | |
488 | ||
489 | struct lm_lockstruct sd_lockstruct; | |
490 | struct gfs2_gl_hash_bucket sd_gl_hash[GFS2_GL_HASH_SIZE]; | |
491 | struct list_head sd_reclaim_list; | |
492 | spinlock_t sd_reclaim_lock; | |
493 | wait_queue_head_t sd_reclaim_wq; | |
494 | atomic_t sd_reclaim_count; | |
495 | struct gfs2_holder sd_live_gh; | |
496 | struct gfs2_glock *sd_rename_gl; | |
497 | struct gfs2_glock *sd_trans_gl; | |
b3b94faa DT |
498 | |
499 | /* Inode Stuff */ | |
500 | ||
f42faf4f SW |
501 | struct inode *sd_master_dir; |
502 | struct inode *sd_jindex; | |
503 | struct inode *sd_inum_inode; | |
504 | struct inode *sd_statfs_inode; | |
505 | struct inode *sd_ir_inode; | |
506 | struct inode *sd_sc_inode; | |
f42faf4f SW |
507 | struct inode *sd_qc_inode; |
508 | struct inode *sd_rindex; | |
509 | struct inode *sd_quota_inode; | |
b3b94faa DT |
510 | |
511 | /* Inum stuff */ | |
512 | ||
f55ab26a | 513 | struct mutex sd_inum_mutex; |
b3b94faa DT |
514 | |
515 | /* StatFS stuff */ | |
516 | ||
517 | spinlock_t sd_statfs_spin; | |
f55ab26a | 518 | struct mutex sd_statfs_mutex; |
b3b94faa DT |
519 | struct gfs2_statfs_change sd_statfs_master; |
520 | struct gfs2_statfs_change sd_statfs_local; | |
521 | unsigned long sd_statfs_sync_time; | |
522 | ||
523 | /* Resource group stuff */ | |
524 | ||
cd915493 | 525 | u64 sd_rindex_vn; |
b3b94faa | 526 | spinlock_t sd_rindex_spin; |
f55ab26a | 527 | struct mutex sd_rindex_mutex; |
b3b94faa DT |
528 | struct list_head sd_rindex_list; |
529 | struct list_head sd_rindex_mru_list; | |
530 | struct list_head sd_rindex_recent_list; | |
531 | struct gfs2_rgrpd *sd_rindex_forward; | |
532 | unsigned int sd_rgrps; | |
533 | ||
534 | /* Journal index stuff */ | |
535 | ||
536 | struct list_head sd_jindex_list; | |
537 | spinlock_t sd_jindex_spin; | |
f55ab26a | 538 | struct mutex sd_jindex_mutex; |
b3b94faa DT |
539 | unsigned int sd_journals; |
540 | unsigned long sd_jindex_refresh_time; | |
541 | ||
542 | struct gfs2_jdesc *sd_jdesc; | |
543 | struct gfs2_holder sd_journal_gh; | |
544 | struct gfs2_holder sd_jinode_gh; | |
545 | ||
546 | struct gfs2_holder sd_ir_gh; | |
547 | struct gfs2_holder sd_sc_gh; | |
b3b94faa DT |
548 | struct gfs2_holder sd_qc_gh; |
549 | ||
550 | /* Daemon stuff */ | |
551 | ||
552 | struct task_struct *sd_scand_process; | |
553 | struct task_struct *sd_recoverd_process; | |
554 | struct task_struct *sd_logd_process; | |
555 | struct task_struct *sd_quotad_process; | |
b3b94faa DT |
556 | struct task_struct *sd_glockd_process[GFS2_GLOCKD_MAX]; |
557 | unsigned int sd_glockd_num; | |
558 | ||
b3b94faa DT |
559 | /* Quota stuff */ |
560 | ||
561 | struct list_head sd_quota_list; | |
562 | atomic_t sd_quota_count; | |
563 | spinlock_t sd_quota_spin; | |
f55ab26a | 564 | struct mutex sd_quota_mutex; |
b3b94faa DT |
565 | |
566 | unsigned int sd_quota_slots; | |
567 | unsigned int sd_quota_chunks; | |
568 | unsigned char **sd_quota_bitmap; | |
569 | ||
cd915493 | 570 | u64 sd_quota_sync_gen; |
b3b94faa DT |
571 | unsigned long sd_quota_sync_time; |
572 | ||
573 | /* Log stuff */ | |
574 | ||
575 | spinlock_t sd_log_lock; | |
b3b94faa DT |
576 | |
577 | unsigned int sd_log_blks_reserved; | |
578 | unsigned int sd_log_commited_buf; | |
579 | unsigned int sd_log_commited_revoke; | |
580 | ||
581 | unsigned int sd_log_num_gl; | |
582 | unsigned int sd_log_num_buf; | |
583 | unsigned int sd_log_num_revoke; | |
584 | unsigned int sd_log_num_rg; | |
585 | unsigned int sd_log_num_databuf; | |
f42faf4f | 586 | unsigned int sd_log_num_jdata; |
b09e593d | 587 | unsigned int sd_log_num_hdrs; |
f42faf4f | 588 | |
b3b94faa DT |
589 | struct list_head sd_log_le_gl; |
590 | struct list_head sd_log_le_buf; | |
591 | struct list_head sd_log_le_revoke; | |
592 | struct list_head sd_log_le_rg; | |
593 | struct list_head sd_log_le_databuf; | |
594 | ||
595 | unsigned int sd_log_blks_free; | |
71b86f56 | 596 | struct mutex sd_log_reserve_mutex; |
b3b94faa | 597 | |
cd915493 | 598 | u64 sd_log_sequence; |
b3b94faa DT |
599 | unsigned int sd_log_head; |
600 | unsigned int sd_log_tail; | |
b3b94faa DT |
601 | int sd_log_idle; |
602 | ||
603 | unsigned long sd_log_flush_time; | |
484adff8 | 604 | struct rw_semaphore sd_log_flush_lock; |
b3b94faa DT |
605 | struct list_head sd_log_flush_list; |
606 | ||
607 | unsigned int sd_log_flush_head; | |
cd915493 | 608 | u64 sd_log_flush_wrapped; |
b3b94faa DT |
609 | |
610 | struct list_head sd_ail1_list; | |
611 | struct list_head sd_ail2_list; | |
cd915493 | 612 | u64 sd_ail_sync_gen; |
b3b94faa DT |
613 | |
614 | /* Replay stuff */ | |
615 | ||
616 | struct list_head sd_revoke_list; | |
617 | unsigned int sd_replay_tail; | |
618 | ||
619 | unsigned int sd_found_blocks; | |
620 | unsigned int sd_found_revokes; | |
621 | unsigned int sd_replayed_blocks; | |
622 | ||
623 | /* For quiescing the filesystem */ | |
624 | ||
625 | struct gfs2_holder sd_freeze_gh; | |
f55ab26a | 626 | struct mutex sd_freeze_lock; |
b3b94faa DT |
627 | unsigned int sd_freeze_count; |
628 | ||
629 | /* Counters */ | |
630 | ||
631 | atomic_t sd_glock_count; | |
632 | atomic_t sd_glock_held_count; | |
633 | atomic_t sd_inode_count; | |
b3b94faa | 634 | atomic_t sd_reclaimed; |
b3b94faa DT |
635 | |
636 | char sd_fsname[GFS2_FSNAME_LEN]; | |
637 | char sd_table_name[GFS2_FSNAME_LEN]; | |
638 | char sd_proto_name[GFS2_FSNAME_LEN]; | |
639 | ||
640 | /* Debugging crud */ | |
641 | ||
642 | unsigned long sd_last_warning; | |
86384605 | 643 | struct vfsmount *sd_gfs2mnt; |
b3b94faa DT |
644 | }; |
645 | ||
646 | #endif /* __INCORE_DOT_H__ */ | |
647 |