]>
Commit | Line | Data |
---|---|---|
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 | |
7 | * of the GNU General Public License v.2. | |
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; | |
25 | struct gfs2_bitmap; | |
26 | struct gfs2_rgrpd; | |
27 | struct gfs2_bufdata; | |
b3b94faa DT |
28 | struct gfs2_glock_operations; |
29 | struct gfs2_holder; | |
30 | struct gfs2_glock; | |
31 | struct gfs2_alloc; | |
32 | struct gfs2_inode; | |
33 | struct gfs2_file; | |
34 | struct gfs2_revoke; | |
35 | struct gfs2_revoke_replay; | |
36 | struct gfs2_unlinked; | |
37 | struct gfs2_quota_data; | |
38 | struct gfs2_log_buf; | |
39 | struct gfs2_trans; | |
40 | struct gfs2_ail; | |
41 | struct gfs2_jdesc; | |
42 | struct gfs2_args; | |
43 | struct gfs2_tune; | |
44 | struct gfs2_gl_hash_bucket; | |
45 | struct gfs2_sbd; | |
46 | ||
47 | typedef void (*gfs2_glop_bh_t) (struct gfs2_glock *gl, unsigned int ret); | |
48 | ||
49 | /* | |
50 | * Structure of operations that are associated with each | |
51 | * type of element in the log. | |
52 | */ | |
53 | ||
54 | struct gfs2_log_operations { | |
55 | void (*lo_add) (struct gfs2_sbd *sdp, struct gfs2_log_element *le); | |
56 | void (*lo_incore_commit) (struct gfs2_sbd *sdp, struct gfs2_trans *tr); | |
57 | void (*lo_before_commit) (struct gfs2_sbd *sdp); | |
58 | void (*lo_after_commit) (struct gfs2_sbd *sdp, struct gfs2_ail *ai); | |
59 | void (*lo_before_scan) (struct gfs2_jdesc *jd, | |
60 | struct gfs2_log_header *head, int pass); | |
61 | int (*lo_scan_elements) (struct gfs2_jdesc *jd, unsigned int start, | |
62 | struct gfs2_log_descriptor *ld, __be64 *ptr, | |
63 | int pass); | |
64 | void (*lo_after_scan) (struct gfs2_jdesc *jd, int error, int pass); | |
b09e593d | 65 | const char *lo_name; |
b3b94faa DT |
66 | }; |
67 | ||
68 | struct gfs2_log_element { | |
69 | struct list_head le_list; | |
b09e593d | 70 | const struct gfs2_log_operations *le_ops; |
b3b94faa DT |
71 | }; |
72 | ||
73 | struct gfs2_bitmap { | |
74 | struct buffer_head *bi_bh; | |
75 | char *bi_clone; | |
76 | uint32_t bi_offset; | |
77 | uint32_t bi_start; | |
78 | uint32_t bi_len; | |
79 | }; | |
80 | ||
81 | struct gfs2_rgrpd { | |
82 | struct list_head rd_list; /* Link with superblock */ | |
83 | struct list_head rd_list_mru; | |
84 | struct list_head rd_recent; /* Recently used rgrps */ | |
85 | struct gfs2_glock *rd_gl; /* Glock for this rgrp */ | |
86 | struct gfs2_rindex rd_ri; | |
87 | struct gfs2_rgrp rd_rg; | |
88 | uint64_t rd_rg_vn; | |
89 | struct gfs2_bitmap *rd_bits; | |
90 | unsigned int rd_bh_count; | |
f55ab26a | 91 | struct mutex rd_mutex; |
b3b94faa DT |
92 | uint32_t rd_free_clone; |
93 | struct gfs2_log_element rd_le; | |
94 | uint32_t rd_last_alloc_data; | |
95 | uint32_t rd_last_alloc_meta; | |
96 | struct gfs2_sbd *rd_sbd; | |
97 | }; | |
98 | ||
99 | enum gfs2_state_bits { | |
100 | BH_Pinned = BH_PrivateStart, | |
f42faf4f | 101 | BH_Escaped = BH_PrivateStart + 1, |
b3b94faa DT |
102 | }; |
103 | ||
104 | BUFFER_FNS(Pinned, pinned) | |
105 | TAS_BUFFER_FNS(Pinned, pinned) | |
f42faf4f SW |
106 | BUFFER_FNS(Escaped, escaped) |
107 | TAS_BUFFER_FNS(Escaped, escaped) | |
b3b94faa DT |
108 | |
109 | struct gfs2_bufdata { | |
110 | struct buffer_head *bd_bh; | |
111 | struct gfs2_glock *bd_gl; | |
112 | ||
113 | struct list_head bd_list_tr; | |
114 | struct gfs2_log_element bd_le; | |
115 | ||
116 | struct gfs2_ail *bd_ail; | |
117 | struct list_head bd_ail_st_list; | |
118 | struct list_head bd_ail_gl_list; | |
119 | }; | |
120 | ||
b3b94faa DT |
121 | struct gfs2_glock_operations { |
122 | void (*go_xmote_th) (struct gfs2_glock * gl, unsigned int state, | |
123 | int flags); | |
124 | void (*go_xmote_bh) (struct gfs2_glock * gl); | |
125 | void (*go_drop_th) (struct gfs2_glock * gl); | |
126 | void (*go_drop_bh) (struct gfs2_glock * gl); | |
127 | void (*go_sync) (struct gfs2_glock * gl, int flags); | |
128 | void (*go_inval) (struct gfs2_glock * gl, int flags); | |
129 | int (*go_demote_ok) (struct gfs2_glock * gl); | |
130 | int (*go_lock) (struct gfs2_holder * gh); | |
131 | void (*go_unlock) (struct gfs2_holder * gh); | |
132 | void (*go_callback) (struct gfs2_glock * gl, unsigned int state); | |
133 | void (*go_greedy) (struct gfs2_glock * gl); | |
134 | int go_type; | |
135 | }; | |
136 | ||
137 | enum { | |
138 | /* Actions */ | |
139 | HIF_MUTEX = 0, | |
140 | HIF_PROMOTE = 1, | |
141 | HIF_DEMOTE = 2, | |
142 | HIF_GREEDY = 3, | |
143 | ||
144 | /* States */ | |
145 | HIF_ALLOCED = 4, | |
146 | HIF_DEALLOC = 5, | |
147 | HIF_HOLDER = 6, | |
148 | HIF_FIRST = 7, | |
b3b94faa DT |
149 | HIF_ABORTED = 9, |
150 | }; | |
151 | ||
152 | struct gfs2_holder { | |
153 | struct list_head gh_list; | |
154 | ||
155 | struct gfs2_glock *gh_gl; | |
156 | struct task_struct *gh_owner; | |
157 | unsigned int gh_state; | |
fe1bdedc | 158 | unsigned gh_flags; |
b3b94faa DT |
159 | |
160 | int gh_error; | |
6b61b072 | 161 | unsigned gh_iflags; |
b3b94faa | 162 | struct completion gh_wait; |
d0dc80db | 163 | unsigned long gh_ip; |
b3b94faa DT |
164 | }; |
165 | ||
166 | enum { | |
167 | GLF_PLUG = 0, | |
168 | GLF_LOCK = 1, | |
169 | GLF_STICKY = 2, | |
170 | GLF_PREFETCH = 3, | |
171 | GLF_SYNC = 4, | |
172 | GLF_DIRTY = 5, | |
173 | GLF_SKIP_WAITERS2 = 6, | |
174 | GLF_GREEDY = 7, | |
175 | }; | |
176 | ||
177 | struct gfs2_glock { | |
178 | struct list_head gl_list; | |
179 | unsigned long gl_flags; /* GLF_... */ | |
180 | struct lm_lockname gl_name; | |
181 | struct kref gl_ref; | |
182 | ||
183 | spinlock_t gl_spin; | |
184 | ||
185 | unsigned int gl_state; | |
320dd101 SW |
186 | struct task_struct *gl_owner; |
187 | unsigned long gl_ip; | |
b3b94faa DT |
188 | struct list_head gl_holders; |
189 | struct list_head gl_waiters1; /* HIF_MUTEX */ | |
190 | struct list_head gl_waiters2; /* HIF_DEMOTE, HIF_GREEDY */ | |
191 | struct list_head gl_waiters3; /* HIF_PROMOTE */ | |
192 | ||
193 | struct gfs2_glock_operations *gl_ops; | |
194 | ||
195 | struct gfs2_holder *gl_req_gh; | |
196 | gfs2_glop_bh_t gl_req_bh; | |
197 | ||
198 | lm_lock_t *gl_lock; | |
199 | char *gl_lvb; | |
200 | atomic_t gl_lvb_count; | |
201 | ||
202 | uint64_t gl_vn; | |
203 | unsigned long gl_stamp; | |
204 | void *gl_object; | |
205 | ||
206 | struct gfs2_gl_hash_bucket *gl_bucket; | |
207 | struct list_head gl_reclaim; | |
208 | ||
209 | struct gfs2_sbd *gl_sbd; | |
210 | ||
211 | struct inode *gl_aspace; | |
212 | struct gfs2_log_element gl_le; | |
213 | struct list_head gl_ail_list; | |
214 | atomic_t gl_ail_count; | |
215 | }; | |
216 | ||
217 | struct gfs2_alloc { | |
218 | /* Quota stuff */ | |
219 | ||
b3b94faa DT |
220 | struct gfs2_quota_data *al_qd[4]; |
221 | struct gfs2_holder al_qd_ghs[4]; | |
6b61b072 | 222 | unsigned int al_qd_num; |
b3b94faa | 223 | |
6b61b072 SW |
224 | u32 al_requested; /* Filled in by caller of gfs2_inplace_reserve() */ |
225 | u32 al_alloced; /* Filled in by gfs2_alloc_*() */ | |
b3b94faa DT |
226 | |
227 | /* Filled in by gfs2_inplace_reserve() */ | |
228 | ||
b3b94faa | 229 | unsigned int al_line; |
6b61b072 | 230 | char *al_file; |
b3b94faa DT |
231 | struct gfs2_holder al_ri_gh; |
232 | struct gfs2_holder al_rgd_gh; | |
233 | struct gfs2_rgrpd *al_rgd; | |
234 | ||
b3b94faa DT |
235 | }; |
236 | ||
237 | enum { | |
238 | GIF_MIN_INIT = 0, | |
239 | GIF_QD_LOCKED = 1, | |
240 | GIF_PAGED = 2, | |
241 | GIF_SW_PAGED = 3, | |
242 | }; | |
243 | ||
244 | struct gfs2_inode { | |
320dd101 | 245 | struct inode i_inode; |
b3b94faa DT |
246 | struct gfs2_inum i_num; |
247 | ||
248 | atomic_t i_count; | |
249 | unsigned long i_flags; /* GIF_... */ | |
250 | ||
251 | uint64_t i_vn; | |
252 | struct gfs2_dinode i_di; | |
253 | ||
254 | struct gfs2_glock *i_gl; | |
255 | struct gfs2_sbd *i_sbd; | |
256 | struct inode *i_vnode; | |
257 | ||
258 | struct gfs2_holder i_iopen_gh; | |
f42faf4f | 259 | struct gfs2_holder i_gh; /* for prepare/commit_write only */ |
b3b94faa DT |
260 | struct gfs2_alloc i_alloc; |
261 | uint64_t i_last_rg_alloc; | |
262 | ||
263 | spinlock_t i_spin; | |
264 | struct rw_semaphore i_rw_mutex; | |
265 | ||
266 | unsigned int i_greedy; | |
267 | unsigned long i_last_pfault; | |
268 | ||
269 | struct buffer_head *i_cache[GFS2_MAX_META_HEIGHT]; | |
270 | }; | |
271 | ||
320dd101 SW |
272 | static inline struct gfs2_inode *GFS2_I(struct inode *inode) |
273 | { | |
274 | return container_of(inode, struct gfs2_inode, i_inode); | |
275 | } | |
276 | ||
b3b94faa DT |
277 | enum { |
278 | GFF_DID_DIRECT_ALLOC = 0, | |
279 | }; | |
280 | ||
281 | struct gfs2_file { | |
282 | unsigned long f_flags; /* GFF_... */ | |
f55ab26a | 283 | struct mutex f_fl_mutex; |
b3b94faa | 284 | struct gfs2_holder f_fl_gh; |
b3b94faa DT |
285 | }; |
286 | ||
287 | struct gfs2_revoke { | |
288 | struct gfs2_log_element rv_le; | |
289 | uint64_t rv_blkno; | |
290 | }; | |
291 | ||
292 | struct gfs2_revoke_replay { | |
293 | struct list_head rr_list; | |
294 | uint64_t rr_blkno; | |
295 | unsigned int rr_where; | |
296 | }; | |
297 | ||
298 | enum { | |
299 | ULF_LOCKED = 0, | |
300 | }; | |
301 | ||
302 | struct gfs2_unlinked { | |
303 | struct list_head ul_list; | |
304 | unsigned int ul_count; | |
305 | struct gfs2_unlinked_tag ul_ut; | |
306 | unsigned long ul_flags; /* ULF_... */ | |
307 | unsigned int ul_slot; | |
308 | }; | |
309 | ||
310 | enum { | |
311 | QDF_USER = 0, | |
312 | QDF_CHANGE = 1, | |
313 | QDF_LOCKED = 2, | |
314 | }; | |
315 | ||
5c676f6d SW |
316 | struct gfs2_quota_lvb { |
317 | uint32_t qb_magic; | |
318 | uint32_t __pad; | |
319 | uint64_t qb_limit; /* Hard limit of # blocks to alloc */ | |
320 | uint64_t qb_warn; /* Warn user when alloc is above this # */ | |
321 | int64_t qb_value; /* Current # blocks allocated */ | |
322 | }; | |
323 | ||
b3b94faa DT |
324 | struct gfs2_quota_data { |
325 | struct list_head qd_list; | |
326 | unsigned int qd_count; | |
327 | ||
328 | uint32_t qd_id; | |
329 | unsigned long qd_flags; /* QDF_... */ | |
330 | ||
331 | int64_t qd_change; | |
332 | int64_t qd_change_sync; | |
333 | ||
334 | unsigned int qd_slot; | |
335 | unsigned int qd_slot_count; | |
336 | ||
337 | struct buffer_head *qd_bh; | |
338 | struct gfs2_quota_change *qd_bh_qc; | |
339 | unsigned int qd_bh_count; | |
340 | ||
341 | struct gfs2_glock *qd_gl; | |
342 | struct gfs2_quota_lvb qd_qb; | |
343 | ||
344 | uint64_t qd_sync_gen; | |
345 | unsigned long qd_last_warn; | |
346 | unsigned long qd_last_touched; | |
347 | }; | |
348 | ||
349 | struct gfs2_log_buf { | |
350 | struct list_head lb_list; | |
351 | struct buffer_head *lb_bh; | |
352 | struct buffer_head *lb_real; | |
353 | }; | |
354 | ||
355 | struct gfs2_trans { | |
d0dc80db | 356 | unsigned long tr_ip; |
b3b94faa DT |
357 | |
358 | unsigned int tr_blocks; | |
359 | unsigned int tr_revokes; | |
360 | unsigned int tr_reserved; | |
361 | ||
e317ffcb | 362 | struct gfs2_holder tr_t_gh; |
b3b94faa DT |
363 | |
364 | int tr_touched; | |
365 | ||
366 | unsigned int tr_num_buf; | |
367 | unsigned int tr_num_buf_new; | |
368 | unsigned int tr_num_buf_rm; | |
369 | struct list_head tr_list_buf; | |
370 | ||
371 | unsigned int tr_num_revoke; | |
372 | unsigned int tr_num_revoke_rm; | |
373 | }; | |
374 | ||
375 | struct gfs2_ail { | |
376 | struct list_head ai_list; | |
377 | ||
378 | unsigned int ai_first; | |
379 | struct list_head ai_ail1_list; | |
380 | struct list_head ai_ail2_list; | |
381 | ||
382 | uint64_t ai_sync_gen; | |
383 | }; | |
384 | ||
385 | struct gfs2_jdesc { | |
386 | struct list_head jd_list; | |
387 | ||
7359a19c | 388 | struct inode *jd_inode; |
b3b94faa DT |
389 | unsigned int jd_jid; |
390 | int jd_dirty; | |
391 | ||
392 | unsigned int jd_blocks; | |
393 | }; | |
394 | ||
395 | #define GFS2_GLOCKD_DEFAULT 1 | |
396 | #define GFS2_GLOCKD_MAX 16 | |
397 | ||
398 | #define GFS2_QUOTA_DEFAULT GFS2_QUOTA_OFF | |
399 | #define GFS2_QUOTA_OFF 0 | |
400 | #define GFS2_QUOTA_ACCOUNT 1 | |
401 | #define GFS2_QUOTA_ON 2 | |
402 | ||
403 | #define GFS2_DATA_DEFAULT GFS2_DATA_ORDERED | |
404 | #define GFS2_DATA_WRITEBACK 1 | |
405 | #define GFS2_DATA_ORDERED 2 | |
406 | ||
407 | struct gfs2_args { | |
408 | char ar_lockproto[GFS2_LOCKNAME_LEN]; /* Name of the Lock Protocol */ | |
409 | char ar_locktable[GFS2_LOCKNAME_LEN]; /* Name of the Lock Table */ | |
410 | char ar_hostdata[GFS2_LOCKNAME_LEN]; /* Host specific data */ | |
411 | int ar_spectator; /* Don't get a journal because we're always RO */ | |
412 | int ar_ignore_local_fs; /* Don't optimize even if local_fs is 1 */ | |
413 | int ar_localflocks; /* Let the VFS do flock|fcntl locks for us */ | |
414 | int ar_localcaching; /* Local-style caching (dangerous on multihost) */ | |
415 | int ar_debug; /* Oops on errors instead of trying to be graceful */ | |
416 | int ar_upgrade; /* Upgrade ondisk/multihost format */ | |
417 | unsigned int ar_num_glockd; /* Number of glockd threads */ | |
418 | int ar_posix_acl; /* Enable posix acls */ | |
419 | int ar_quota; /* off/account/on */ | |
420 | int ar_suiddir; /* suiddir support */ | |
421 | int ar_data; /* ordered/writeback */ | |
422 | }; | |
423 | ||
424 | struct gfs2_tune { | |
425 | spinlock_t gt_spin; | |
426 | ||
427 | unsigned int gt_ilimit; | |
428 | unsigned int gt_ilimit_tries; | |
429 | unsigned int gt_ilimit_min; | |
430 | unsigned int gt_demote_secs; /* Cache retention for unheld glock */ | |
431 | unsigned int gt_incore_log_blocks; | |
432 | unsigned int gt_log_flush_secs; | |
433 | unsigned int gt_jindex_refresh_secs; /* Check for new journal index */ | |
434 | ||
435 | unsigned int gt_scand_secs; | |
436 | unsigned int gt_recoverd_secs; | |
437 | unsigned int gt_logd_secs; | |
438 | unsigned int gt_quotad_secs; | |
439 | unsigned int gt_inoded_secs; | |
440 | ||
441 | unsigned int gt_quota_simul_sync; /* Max quotavals to sync at once */ | |
442 | unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */ | |
443 | unsigned int gt_quota_scale_num; /* Numerator */ | |
444 | unsigned int gt_quota_scale_den; /* Denominator */ | |
445 | unsigned int gt_quota_cache_secs; | |
446 | unsigned int gt_quota_quantum; /* Secs between syncs to quota file */ | |
447 | unsigned int gt_atime_quantum; /* Min secs between atime updates */ | |
448 | unsigned int gt_new_files_jdata; | |
449 | unsigned int gt_new_files_directio; | |
450 | unsigned int gt_max_atomic_write; /* Split big writes into this size */ | |
451 | unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */ | |
452 | unsigned int gt_lockdump_size; | |
453 | unsigned int gt_stall_secs; /* Detects trouble! */ | |
454 | unsigned int gt_complain_secs; | |
455 | unsigned int gt_reclaim_limit; /* Max num of glocks in reclaim list */ | |
456 | unsigned int gt_entries_per_readdir; | |
457 | unsigned int gt_prefetch_secs; /* Usage window for prefetched glocks */ | |
458 | unsigned int gt_greedy_default; | |
459 | unsigned int gt_greedy_quantum; | |
460 | unsigned int gt_greedy_max; | |
461 | unsigned int gt_statfs_quantum; | |
462 | unsigned int gt_statfs_slow; | |
463 | }; | |
464 | ||
465 | struct gfs2_gl_hash_bucket { | |
466 | rwlock_t hb_lock; | |
467 | struct list_head hb_list; | |
468 | }; | |
469 | ||
470 | enum { | |
471 | SDF_JOURNAL_CHECKED = 0, | |
472 | SDF_JOURNAL_LIVE = 1, | |
473 | SDF_SHUTDOWN = 2, | |
474 | SDF_NOATIME = 3, | |
475 | }; | |
476 | ||
477 | #define GFS2_GL_HASH_SHIFT 13 | |
478 | #define GFS2_GL_HASH_SIZE (1 << GFS2_GL_HASH_SHIFT) | |
479 | #define GFS2_GL_HASH_MASK (GFS2_GL_HASH_SIZE - 1) | |
480 | #define GFS2_FSNAME_LEN 256 | |
481 | ||
482 | struct gfs2_sbd { | |
483 | struct super_block *sd_vfs; | |
484 | struct kobject sd_kobj; | |
485 | unsigned long sd_flags; /* SDF_... */ | |
486 | struct gfs2_sb sd_sb; | |
487 | ||
488 | /* Constants computed on mount */ | |
489 | ||
490 | uint32_t sd_fsb2bb; | |
491 | uint32_t sd_fsb2bb_shift; | |
492 | uint32_t sd_diptrs; /* Number of pointers in a dinode */ | |
493 | uint32_t sd_inptrs; /* Number of pointers in a indirect block */ | |
494 | uint32_t sd_jbsize; /* Size of a journaled data block */ | |
495 | uint32_t sd_hash_bsize; /* sizeof(exhash block) */ | |
496 | uint32_t sd_hash_bsize_shift; | |
497 | uint32_t sd_hash_ptrs; /* Number of pointers in a hash block */ | |
498 | uint32_t sd_ut_per_block; | |
499 | uint32_t sd_qc_per_block; | |
500 | uint32_t sd_max_dirres; /* Max blocks needed to add a directory entry */ | |
501 | uint32_t sd_max_height; /* Max height of a file's metadata tree */ | |
502 | uint64_t sd_heightsize[GFS2_MAX_META_HEIGHT]; | |
503 | uint32_t sd_max_jheight; /* Max height of journaled file's meta tree */ | |
504 | uint64_t sd_jheightsize[GFS2_MAX_META_HEIGHT]; | |
505 | ||
506 | struct gfs2_args sd_args; /* Mount arguments */ | |
507 | struct gfs2_tune sd_tune; /* Filesystem tuning structure */ | |
508 | ||
509 | /* Lock Stuff */ | |
510 | ||
511 | struct lm_lockstruct sd_lockstruct; | |
512 | struct gfs2_gl_hash_bucket sd_gl_hash[GFS2_GL_HASH_SIZE]; | |
513 | struct list_head sd_reclaim_list; | |
514 | spinlock_t sd_reclaim_lock; | |
515 | wait_queue_head_t sd_reclaim_wq; | |
516 | atomic_t sd_reclaim_count; | |
517 | struct gfs2_holder sd_live_gh; | |
518 | struct gfs2_glock *sd_rename_gl; | |
519 | struct gfs2_glock *sd_trans_gl; | |
f55ab26a | 520 | struct mutex sd_invalidate_inodes_mutex; |
b3b94faa DT |
521 | |
522 | /* Inode Stuff */ | |
523 | ||
f42faf4f SW |
524 | struct inode *sd_master_dir; |
525 | struct inode *sd_jindex; | |
526 | struct inode *sd_inum_inode; | |
527 | struct inode *sd_statfs_inode; | |
528 | struct inode *sd_ir_inode; | |
529 | struct inode *sd_sc_inode; | |
530 | struct inode *sd_ut_inode; | |
531 | struct inode *sd_qc_inode; | |
532 | struct inode *sd_rindex; | |
533 | struct inode *sd_quota_inode; | |
b3b94faa DT |
534 | |
535 | /* Inum stuff */ | |
536 | ||
f55ab26a | 537 | struct mutex sd_inum_mutex; |
b3b94faa DT |
538 | |
539 | /* StatFS stuff */ | |
540 | ||
541 | spinlock_t sd_statfs_spin; | |
f55ab26a | 542 | struct mutex sd_statfs_mutex; |
b3b94faa DT |
543 | struct gfs2_statfs_change sd_statfs_master; |
544 | struct gfs2_statfs_change sd_statfs_local; | |
545 | unsigned long sd_statfs_sync_time; | |
546 | ||
547 | /* Resource group stuff */ | |
548 | ||
549 | uint64_t sd_rindex_vn; | |
550 | spinlock_t sd_rindex_spin; | |
f55ab26a | 551 | struct mutex sd_rindex_mutex; |
b3b94faa DT |
552 | struct list_head sd_rindex_list; |
553 | struct list_head sd_rindex_mru_list; | |
554 | struct list_head sd_rindex_recent_list; | |
555 | struct gfs2_rgrpd *sd_rindex_forward; | |
556 | unsigned int sd_rgrps; | |
557 | ||
558 | /* Journal index stuff */ | |
559 | ||
560 | struct list_head sd_jindex_list; | |
561 | spinlock_t sd_jindex_spin; | |
f55ab26a | 562 | struct mutex sd_jindex_mutex; |
b3b94faa DT |
563 | unsigned int sd_journals; |
564 | unsigned long sd_jindex_refresh_time; | |
565 | ||
566 | struct gfs2_jdesc *sd_jdesc; | |
567 | struct gfs2_holder sd_journal_gh; | |
568 | struct gfs2_holder sd_jinode_gh; | |
569 | ||
570 | struct gfs2_holder sd_ir_gh; | |
571 | struct gfs2_holder sd_sc_gh; | |
572 | struct gfs2_holder sd_ut_gh; | |
573 | struct gfs2_holder sd_qc_gh; | |
574 | ||
575 | /* Daemon stuff */ | |
576 | ||
577 | struct task_struct *sd_scand_process; | |
578 | struct task_struct *sd_recoverd_process; | |
579 | struct task_struct *sd_logd_process; | |
580 | struct task_struct *sd_quotad_process; | |
581 | struct task_struct *sd_inoded_process; | |
582 | struct task_struct *sd_glockd_process[GFS2_GLOCKD_MAX]; | |
583 | unsigned int sd_glockd_num; | |
584 | ||
585 | /* Unlinked inode stuff */ | |
586 | ||
587 | struct list_head sd_unlinked_list; | |
588 | atomic_t sd_unlinked_count; | |
589 | spinlock_t sd_unlinked_spin; | |
f55ab26a | 590 | struct mutex sd_unlinked_mutex; |
b3b94faa DT |
591 | |
592 | unsigned int sd_unlinked_slots; | |
593 | unsigned int sd_unlinked_chunks; | |
594 | unsigned char **sd_unlinked_bitmap; | |
595 | ||
596 | /* Quota stuff */ | |
597 | ||
598 | struct list_head sd_quota_list; | |
599 | atomic_t sd_quota_count; | |
600 | spinlock_t sd_quota_spin; | |
f55ab26a | 601 | struct mutex sd_quota_mutex; |
b3b94faa DT |
602 | |
603 | unsigned int sd_quota_slots; | |
604 | unsigned int sd_quota_chunks; | |
605 | unsigned char **sd_quota_bitmap; | |
606 | ||
607 | uint64_t sd_quota_sync_gen; | |
608 | unsigned long sd_quota_sync_time; | |
609 | ||
610 | /* Log stuff */ | |
611 | ||
612 | spinlock_t sd_log_lock; | |
b3b94faa DT |
613 | |
614 | unsigned int sd_log_blks_reserved; | |
615 | unsigned int sd_log_commited_buf; | |
616 | unsigned int sd_log_commited_revoke; | |
617 | ||
618 | unsigned int sd_log_num_gl; | |
619 | unsigned int sd_log_num_buf; | |
620 | unsigned int sd_log_num_revoke; | |
621 | unsigned int sd_log_num_rg; | |
622 | unsigned int sd_log_num_databuf; | |
f42faf4f | 623 | unsigned int sd_log_num_jdata; |
b09e593d | 624 | unsigned int sd_log_num_hdrs; |
f42faf4f | 625 | |
b3b94faa DT |
626 | struct list_head sd_log_le_gl; |
627 | struct list_head sd_log_le_buf; | |
628 | struct list_head sd_log_le_revoke; | |
629 | struct list_head sd_log_le_rg; | |
630 | struct list_head sd_log_le_databuf; | |
631 | ||
632 | unsigned int sd_log_blks_free; | |
71b86f56 | 633 | struct mutex sd_log_reserve_mutex; |
b3b94faa DT |
634 | |
635 | uint64_t sd_log_sequence; | |
636 | unsigned int sd_log_head; | |
637 | unsigned int sd_log_tail; | |
b3b94faa DT |
638 | int sd_log_idle; |
639 | ||
640 | unsigned long sd_log_flush_time; | |
484adff8 | 641 | struct rw_semaphore sd_log_flush_lock; |
b3b94faa DT |
642 | struct list_head sd_log_flush_list; |
643 | ||
644 | unsigned int sd_log_flush_head; | |
645 | uint64_t sd_log_flush_wrapped; | |
646 | ||
647 | struct list_head sd_ail1_list; | |
648 | struct list_head sd_ail2_list; | |
649 | uint64_t sd_ail_sync_gen; | |
650 | ||
651 | /* Replay stuff */ | |
652 | ||
653 | struct list_head sd_revoke_list; | |
654 | unsigned int sd_replay_tail; | |
655 | ||
656 | unsigned int sd_found_blocks; | |
657 | unsigned int sd_found_revokes; | |
658 | unsigned int sd_replayed_blocks; | |
659 | ||
660 | /* For quiescing the filesystem */ | |
661 | ||
662 | struct gfs2_holder sd_freeze_gh; | |
f55ab26a | 663 | struct mutex sd_freeze_lock; |
b3b94faa DT |
664 | unsigned int sd_freeze_count; |
665 | ||
666 | /* Counters */ | |
667 | ||
668 | atomic_t sd_glock_count; | |
669 | atomic_t sd_glock_held_count; | |
670 | atomic_t sd_inode_count; | |
b3b94faa | 671 | atomic_t sd_reclaimed; |
b3b94faa DT |
672 | |
673 | char sd_fsname[GFS2_FSNAME_LEN]; | |
674 | char sd_table_name[GFS2_FSNAME_LEN]; | |
675 | char sd_proto_name[GFS2_FSNAME_LEN]; | |
676 | ||
677 | /* Debugging crud */ | |
678 | ||
679 | unsigned long sd_last_warning; | |
680 | }; | |
681 | ||
682 | #endif /* __INCORE_DOT_H__ */ | |
683 |