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 | |
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; | |
b3b94faa DT |
36 | struct gfs2_quota_data; |
37 | struct gfs2_log_buf; | |
38 | struct gfs2_trans; | |
39 | struct gfs2_ail; | |
40 | struct gfs2_jdesc; | |
41 | struct gfs2_args; | |
42 | struct gfs2_tune; | |
43 | struct gfs2_gl_hash_bucket; | |
44 | struct gfs2_sbd; | |
45 | ||
46 | typedef void (*gfs2_glop_bh_t) (struct gfs2_glock *gl, unsigned int ret); | |
47 | ||
48 | /* | |
49 | * Structure of operations that are associated with each | |
50 | * type of element in the log. | |
51 | */ | |
52 | ||
53 | struct gfs2_log_operations { | |
54 | void (*lo_add) (struct gfs2_sbd *sdp, struct gfs2_log_element *le); | |
55 | void (*lo_incore_commit) (struct gfs2_sbd *sdp, struct gfs2_trans *tr); | |
56 | void (*lo_before_commit) (struct gfs2_sbd *sdp); | |
57 | void (*lo_after_commit) (struct gfs2_sbd *sdp, struct gfs2_ail *ai); | |
58 | void (*lo_before_scan) (struct gfs2_jdesc *jd, | |
59 | struct gfs2_log_header *head, int pass); | |
60 | int (*lo_scan_elements) (struct gfs2_jdesc *jd, unsigned int start, | |
61 | struct gfs2_log_descriptor *ld, __be64 *ptr, | |
62 | int pass); | |
63 | void (*lo_after_scan) (struct gfs2_jdesc *jd, int error, int pass); | |
b09e593d | 64 | const char *lo_name; |
b3b94faa DT |
65 | }; |
66 | ||
67 | struct gfs2_log_element { | |
68 | struct list_head le_list; | |
b09e593d | 69 | const struct gfs2_log_operations *le_ops; |
b3b94faa DT |
70 | }; |
71 | ||
72 | struct gfs2_bitmap { | |
73 | struct buffer_head *bi_bh; | |
74 | char *bi_clone; | |
75 | uint32_t bi_offset; | |
76 | uint32_t bi_start; | |
77 | uint32_t bi_len; | |
78 | }; | |
79 | ||
80 | struct gfs2_rgrpd { | |
81 | struct list_head rd_list; /* Link with superblock */ | |
82 | struct list_head rd_list_mru; | |
83 | struct list_head rd_recent; /* Recently used rgrps */ | |
84 | struct gfs2_glock *rd_gl; /* Glock for this rgrp */ | |
85 | struct gfs2_rindex rd_ri; | |
86 | struct gfs2_rgrp rd_rg; | |
87 | uint64_t rd_rg_vn; | |
88 | struct gfs2_bitmap *rd_bits; | |
89 | unsigned int rd_bh_count; | |
f55ab26a | 90 | struct mutex rd_mutex; |
b3b94faa DT |
91 | uint32_t rd_free_clone; |
92 | struct gfs2_log_element rd_le; | |
93 | uint32_t rd_last_alloc_data; | |
94 | uint32_t rd_last_alloc_meta; | |
95 | struct gfs2_sbd *rd_sbd; | |
96 | }; | |
97 | ||
98 | enum gfs2_state_bits { | |
99 | BH_Pinned = BH_PrivateStart, | |
f42faf4f | 100 | BH_Escaped = BH_PrivateStart + 1, |
b3b94faa DT |
101 | }; |
102 | ||
103 | BUFFER_FNS(Pinned, pinned) | |
104 | TAS_BUFFER_FNS(Pinned, pinned) | |
f42faf4f SW |
105 | BUFFER_FNS(Escaped, escaped) |
106 | TAS_BUFFER_FNS(Escaped, escaped) | |
b3b94faa DT |
107 | |
108 | struct gfs2_bufdata { | |
109 | struct buffer_head *bd_bh; | |
110 | struct gfs2_glock *bd_gl; | |
111 | ||
112 | struct list_head bd_list_tr; | |
113 | struct gfs2_log_element bd_le; | |
114 | ||
115 | struct gfs2_ail *bd_ail; | |
116 | struct list_head bd_ail_st_list; | |
117 | struct list_head bd_ail_gl_list; | |
118 | }; | |
119 | ||
b3b94faa DT |
120 | struct gfs2_glock_operations { |
121 | void (*go_xmote_th) (struct gfs2_glock * gl, unsigned int state, | |
122 | int flags); | |
123 | void (*go_xmote_bh) (struct gfs2_glock * gl); | |
124 | void (*go_drop_th) (struct gfs2_glock * gl); | |
125 | void (*go_drop_bh) (struct gfs2_glock * gl); | |
126 | void (*go_sync) (struct gfs2_glock * gl, int flags); | |
127 | void (*go_inval) (struct gfs2_glock * gl, int flags); | |
128 | int (*go_demote_ok) (struct gfs2_glock * gl); | |
129 | int (*go_lock) (struct gfs2_holder * gh); | |
130 | void (*go_unlock) (struct gfs2_holder * gh); | |
131 | void (*go_callback) (struct gfs2_glock * gl, unsigned int state); | |
132 | void (*go_greedy) (struct gfs2_glock * gl); | |
8fb4b536 | 133 | const int go_type; |
b3b94faa DT |
134 | }; |
135 | ||
136 | enum { | |
137 | /* Actions */ | |
138 | HIF_MUTEX = 0, | |
139 | HIF_PROMOTE = 1, | |
140 | HIF_DEMOTE = 2, | |
141 | HIF_GREEDY = 3, | |
142 | ||
143 | /* States */ | |
144 | HIF_ALLOCED = 4, | |
145 | HIF_DEALLOC = 5, | |
146 | HIF_HOLDER = 6, | |
147 | HIF_FIRST = 7, | |
b3b94faa DT |
148 | HIF_ABORTED = 9, |
149 | }; | |
150 | ||
151 | struct gfs2_holder { | |
152 | struct list_head gh_list; | |
153 | ||
154 | struct gfs2_glock *gh_gl; | |
155 | struct task_struct *gh_owner; | |
156 | unsigned int gh_state; | |
fe1bdedc | 157 | unsigned gh_flags; |
b3b94faa DT |
158 | |
159 | int gh_error; | |
695165df | 160 | unsigned long gh_iflags; |
b3b94faa | 161 | struct completion gh_wait; |
d0dc80db | 162 | unsigned long gh_ip; |
b3b94faa DT |
163 | }; |
164 | ||
165 | enum { | |
166 | GLF_PLUG = 0, | |
167 | GLF_LOCK = 1, | |
168 | GLF_STICKY = 2, | |
169 | GLF_PREFETCH = 3, | |
b3b94faa DT |
170 | GLF_DIRTY = 5, |
171 | GLF_SKIP_WAITERS2 = 6, | |
172 | GLF_GREEDY = 7, | |
173 | }; | |
174 | ||
175 | struct gfs2_glock { | |
176 | struct list_head gl_list; | |
177 | unsigned long gl_flags; /* GLF_... */ | |
178 | struct lm_lockname gl_name; | |
179 | struct kref gl_ref; | |
180 | ||
181 | spinlock_t gl_spin; | |
182 | ||
183 | unsigned int gl_state; | |
320dd101 SW |
184 | struct task_struct *gl_owner; |
185 | unsigned long gl_ip; | |
b3b94faa DT |
186 | struct list_head gl_holders; |
187 | struct list_head gl_waiters1; /* HIF_MUTEX */ | |
188 | struct list_head gl_waiters2; /* HIF_DEMOTE, HIF_GREEDY */ | |
189 | struct list_head gl_waiters3; /* HIF_PROMOTE */ | |
190 | ||
8fb4b536 | 191 | const struct gfs2_glock_operations *gl_ops; |
b3b94faa DT |
192 | |
193 | struct gfs2_holder *gl_req_gh; | |
194 | gfs2_glop_bh_t gl_req_bh; | |
195 | ||
196 | lm_lock_t *gl_lock; | |
197 | char *gl_lvb; | |
198 | atomic_t gl_lvb_count; | |
199 | ||
200 | uint64_t gl_vn; | |
201 | unsigned long gl_stamp; | |
202 | void *gl_object; | |
203 | ||
204 | struct gfs2_gl_hash_bucket *gl_bucket; | |
205 | struct list_head gl_reclaim; | |
206 | ||
207 | struct gfs2_sbd *gl_sbd; | |
208 | ||
209 | struct inode *gl_aspace; | |
210 | struct gfs2_log_element gl_le; | |
211 | struct list_head gl_ail_list; | |
212 | atomic_t gl_ail_count; | |
213 | }; | |
214 | ||
215 | struct gfs2_alloc { | |
216 | /* Quota stuff */ | |
217 | ||
b3b94faa DT |
218 | struct gfs2_quota_data *al_qd[4]; |
219 | struct gfs2_holder al_qd_ghs[4]; | |
6b61b072 | 220 | unsigned int al_qd_num; |
b3b94faa | 221 | |
6b61b072 SW |
222 | u32 al_requested; /* Filled in by caller of gfs2_inplace_reserve() */ |
223 | u32 al_alloced; /* Filled in by gfs2_alloc_*() */ | |
b3b94faa DT |
224 | |
225 | /* Filled in by gfs2_inplace_reserve() */ | |
226 | ||
b3b94faa | 227 | unsigned int al_line; |
6b61b072 | 228 | char *al_file; |
b3b94faa DT |
229 | struct gfs2_holder al_ri_gh; |
230 | struct gfs2_holder al_rgd_gh; | |
231 | struct gfs2_rgrpd *al_rgd; | |
232 | ||
b3b94faa DT |
233 | }; |
234 | ||
235 | enum { | |
b3b94faa DT |
236 | GIF_QD_LOCKED = 1, |
237 | GIF_PAGED = 2, | |
238 | GIF_SW_PAGED = 3, | |
239 | }; | |
240 | ||
241 | struct gfs2_inode { | |
320dd101 | 242 | struct inode i_inode; |
b3b94faa DT |
243 | struct gfs2_inum i_num; |
244 | ||
b3b94faa DT |
245 | unsigned long i_flags; /* GIF_... */ |
246 | ||
247 | uint64_t i_vn; | |
feaa7bba | 248 | struct gfs2_dinode i_di; /* To be replaced by ref to block */ |
b3b94faa | 249 | |
feaa7bba | 250 | struct gfs2_glock *i_gl; /* Move into i_gh? */ |
b3b94faa | 251 | struct gfs2_holder i_iopen_gh; |
f42faf4f | 252 | struct gfs2_holder i_gh; /* for prepare/commit_write only */ |
b3b94faa DT |
253 | struct gfs2_alloc i_alloc; |
254 | uint64_t i_last_rg_alloc; | |
255 | ||
256 | spinlock_t i_spin; | |
257 | struct rw_semaphore i_rw_mutex; | |
b3b94faa DT |
258 | unsigned int i_greedy; |
259 | unsigned long i_last_pfault; | |
260 | ||
261 | struct buffer_head *i_cache[GFS2_MAX_META_HEIGHT]; | |
262 | }; | |
263 | ||
feaa7bba SW |
264 | /* |
265 | * Since i_inode is the first element of struct gfs2_inode, | |
266 | * this is effectively a cast. | |
267 | */ | |
320dd101 SW |
268 | static inline struct gfs2_inode *GFS2_I(struct inode *inode) |
269 | { | |
270 | return container_of(inode, struct gfs2_inode, i_inode); | |
271 | } | |
272 | ||
feaa7bba SW |
273 | /* To be removed? */ |
274 | static inline struct gfs2_sbd *GFS2_SB(struct inode *inode) | |
275 | { | |
276 | return inode->i_sb->s_fs_info; | |
277 | } | |
278 | ||
b3b94faa DT |
279 | enum { |
280 | GFF_DID_DIRECT_ALLOC = 0, | |
59a1cc6b | 281 | GFF_EXLOCK = 1, |
b3b94faa DT |
282 | }; |
283 | ||
284 | struct gfs2_file { | |
285 | unsigned long f_flags; /* GFF_... */ | |
f55ab26a | 286 | struct mutex f_fl_mutex; |
b3b94faa | 287 | struct gfs2_holder f_fl_gh; |
b3b94faa DT |
288 | }; |
289 | ||
290 | struct gfs2_revoke { | |
291 | struct gfs2_log_element rv_le; | |
292 | uint64_t rv_blkno; | |
293 | }; | |
294 | ||
295 | struct gfs2_revoke_replay { | |
296 | struct list_head rr_list; | |
297 | uint64_t rr_blkno; | |
298 | unsigned int rr_where; | |
299 | }; | |
300 | ||
b3b94faa DT |
301 | enum { |
302 | QDF_USER = 0, | |
303 | QDF_CHANGE = 1, | |
304 | QDF_LOCKED = 2, | |
305 | }; | |
306 | ||
5c676f6d SW |
307 | struct gfs2_quota_lvb { |
308 | uint32_t qb_magic; | |
309 | uint32_t __pad; | |
310 | uint64_t qb_limit; /* Hard limit of # blocks to alloc */ | |
311 | uint64_t qb_warn; /* Warn user when alloc is above this # */ | |
312 | int64_t qb_value; /* Current # blocks allocated */ | |
313 | }; | |
314 | ||
b3b94faa DT |
315 | struct gfs2_quota_data { |
316 | struct list_head qd_list; | |
317 | unsigned int qd_count; | |
318 | ||
319 | uint32_t qd_id; | |
320 | unsigned long qd_flags; /* QDF_... */ | |
321 | ||
322 | int64_t qd_change; | |
323 | int64_t qd_change_sync; | |
324 | ||
325 | unsigned int qd_slot; | |
326 | unsigned int qd_slot_count; | |
327 | ||
328 | struct buffer_head *qd_bh; | |
329 | struct gfs2_quota_change *qd_bh_qc; | |
330 | unsigned int qd_bh_count; | |
331 | ||
332 | struct gfs2_glock *qd_gl; | |
333 | struct gfs2_quota_lvb qd_qb; | |
334 | ||
335 | uint64_t qd_sync_gen; | |
336 | unsigned long qd_last_warn; | |
337 | unsigned long qd_last_touched; | |
338 | }; | |
339 | ||
340 | struct gfs2_log_buf { | |
341 | struct list_head lb_list; | |
342 | struct buffer_head *lb_bh; | |
343 | struct buffer_head *lb_real; | |
344 | }; | |
345 | ||
346 | struct gfs2_trans { | |
d0dc80db | 347 | unsigned long tr_ip; |
b3b94faa DT |
348 | |
349 | unsigned int tr_blocks; | |
350 | unsigned int tr_revokes; | |
351 | unsigned int tr_reserved; | |
352 | ||
e317ffcb | 353 | struct gfs2_holder tr_t_gh; |
b3b94faa DT |
354 | |
355 | int tr_touched; | |
356 | ||
357 | unsigned int tr_num_buf; | |
358 | unsigned int tr_num_buf_new; | |
359 | unsigned int tr_num_buf_rm; | |
360 | struct list_head tr_list_buf; | |
361 | ||
362 | unsigned int tr_num_revoke; | |
363 | unsigned int tr_num_revoke_rm; | |
364 | }; | |
365 | ||
366 | struct gfs2_ail { | |
367 | struct list_head ai_list; | |
368 | ||
369 | unsigned int ai_first; | |
370 | struct list_head ai_ail1_list; | |
371 | struct list_head ai_ail2_list; | |
372 | ||
373 | uint64_t ai_sync_gen; | |
374 | }; | |
375 | ||
376 | struct gfs2_jdesc { | |
377 | struct list_head jd_list; | |
378 | ||
7359a19c | 379 | struct inode *jd_inode; |
b3b94faa DT |
380 | unsigned int jd_jid; |
381 | int jd_dirty; | |
382 | ||
383 | unsigned int jd_blocks; | |
384 | }; | |
385 | ||
386 | #define GFS2_GLOCKD_DEFAULT 1 | |
387 | #define GFS2_GLOCKD_MAX 16 | |
388 | ||
389 | #define GFS2_QUOTA_DEFAULT GFS2_QUOTA_OFF | |
390 | #define GFS2_QUOTA_OFF 0 | |
391 | #define GFS2_QUOTA_ACCOUNT 1 | |
392 | #define GFS2_QUOTA_ON 2 | |
393 | ||
394 | #define GFS2_DATA_DEFAULT GFS2_DATA_ORDERED | |
395 | #define GFS2_DATA_WRITEBACK 1 | |
396 | #define GFS2_DATA_ORDERED 2 | |
397 | ||
398 | struct gfs2_args { | |
399 | char ar_lockproto[GFS2_LOCKNAME_LEN]; /* Name of the Lock Protocol */ | |
400 | char ar_locktable[GFS2_LOCKNAME_LEN]; /* Name of the Lock Table */ | |
401 | char ar_hostdata[GFS2_LOCKNAME_LEN]; /* Host specific data */ | |
402 | int ar_spectator; /* Don't get a journal because we're always RO */ | |
403 | int ar_ignore_local_fs; /* Don't optimize even if local_fs is 1 */ | |
404 | int ar_localflocks; /* Let the VFS do flock|fcntl locks for us */ | |
405 | int ar_localcaching; /* Local-style caching (dangerous on multihost) */ | |
406 | int ar_debug; /* Oops on errors instead of trying to be graceful */ | |
407 | int ar_upgrade; /* Upgrade ondisk/multihost format */ | |
408 | unsigned int ar_num_glockd; /* Number of glockd threads */ | |
409 | int ar_posix_acl; /* Enable posix acls */ | |
410 | int ar_quota; /* off/account/on */ | |
411 | int ar_suiddir; /* suiddir support */ | |
412 | int ar_data; /* ordered/writeback */ | |
413 | }; | |
414 | ||
415 | struct gfs2_tune { | |
416 | spinlock_t gt_spin; | |
417 | ||
418 | unsigned int gt_ilimit; | |
419 | unsigned int gt_ilimit_tries; | |
420 | unsigned int gt_ilimit_min; | |
421 | unsigned int gt_demote_secs; /* Cache retention for unheld glock */ | |
422 | unsigned int gt_incore_log_blocks; | |
423 | unsigned int gt_log_flush_secs; | |
424 | unsigned int gt_jindex_refresh_secs; /* Check for new journal index */ | |
425 | ||
426 | unsigned int gt_scand_secs; | |
427 | unsigned int gt_recoverd_secs; | |
428 | unsigned int gt_logd_secs; | |
429 | unsigned int gt_quotad_secs; | |
b3b94faa DT |
430 | |
431 | unsigned int gt_quota_simul_sync; /* Max quotavals to sync at once */ | |
432 | unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */ | |
433 | unsigned int gt_quota_scale_num; /* Numerator */ | |
434 | unsigned int gt_quota_scale_den; /* Denominator */ | |
435 | unsigned int gt_quota_cache_secs; | |
436 | unsigned int gt_quota_quantum; /* Secs between syncs to quota file */ | |
437 | unsigned int gt_atime_quantum; /* Min secs between atime updates */ | |
438 | unsigned int gt_new_files_jdata; | |
439 | unsigned int gt_new_files_directio; | |
440 | unsigned int gt_max_atomic_write; /* Split big writes into this size */ | |
441 | unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */ | |
442 | unsigned int gt_lockdump_size; | |
443 | unsigned int gt_stall_secs; /* Detects trouble! */ | |
444 | unsigned int gt_complain_secs; | |
445 | unsigned int gt_reclaim_limit; /* Max num of glocks in reclaim list */ | |
446 | unsigned int gt_entries_per_readdir; | |
447 | unsigned int gt_prefetch_secs; /* Usage window for prefetched glocks */ | |
448 | unsigned int gt_greedy_default; | |
449 | unsigned int gt_greedy_quantum; | |
450 | unsigned int gt_greedy_max; | |
451 | unsigned int gt_statfs_quantum; | |
452 | unsigned int gt_statfs_slow; | |
453 | }; | |
454 | ||
455 | struct gfs2_gl_hash_bucket { | |
456 | rwlock_t hb_lock; | |
457 | struct list_head hb_list; | |
458 | }; | |
459 | ||
460 | enum { | |
461 | SDF_JOURNAL_CHECKED = 0, | |
462 | SDF_JOURNAL_LIVE = 1, | |
463 | SDF_SHUTDOWN = 2, | |
464 | SDF_NOATIME = 3, | |
465 | }; | |
466 | ||
467 | #define GFS2_GL_HASH_SHIFT 13 | |
468 | #define GFS2_GL_HASH_SIZE (1 << GFS2_GL_HASH_SHIFT) | |
469 | #define GFS2_GL_HASH_MASK (GFS2_GL_HASH_SIZE - 1) | |
470 | #define GFS2_FSNAME_LEN 256 | |
471 | ||
472 | struct gfs2_sbd { | |
473 | struct super_block *sd_vfs; | |
86384605 | 474 | struct super_block *sd_vfs_meta; |
b3b94faa DT |
475 | struct kobject sd_kobj; |
476 | unsigned long sd_flags; /* SDF_... */ | |
477 | struct gfs2_sb sd_sb; | |
478 | ||
479 | /* Constants computed on mount */ | |
480 | ||
481 | uint32_t sd_fsb2bb; | |
482 | uint32_t sd_fsb2bb_shift; | |
483 | uint32_t sd_diptrs; /* Number of pointers in a dinode */ | |
484 | uint32_t sd_inptrs; /* Number of pointers in a indirect block */ | |
485 | uint32_t sd_jbsize; /* Size of a journaled data block */ | |
486 | uint32_t sd_hash_bsize; /* sizeof(exhash block) */ | |
487 | uint32_t sd_hash_bsize_shift; | |
488 | uint32_t sd_hash_ptrs; /* Number of pointers in a hash block */ | |
b3b94faa DT |
489 | uint32_t sd_qc_per_block; |
490 | uint32_t sd_max_dirres; /* Max blocks needed to add a directory entry */ | |
491 | uint32_t sd_max_height; /* Max height of a file's metadata tree */ | |
492 | uint64_t sd_heightsize[GFS2_MAX_META_HEIGHT]; | |
493 | uint32_t sd_max_jheight; /* Max height of journaled file's meta tree */ | |
494 | uint64_t sd_jheightsize[GFS2_MAX_META_HEIGHT]; | |
495 | ||
496 | struct gfs2_args sd_args; /* Mount arguments */ | |
497 | struct gfs2_tune sd_tune; /* Filesystem tuning structure */ | |
498 | ||
499 | /* Lock Stuff */ | |
500 | ||
501 | struct lm_lockstruct sd_lockstruct; | |
502 | struct gfs2_gl_hash_bucket sd_gl_hash[GFS2_GL_HASH_SIZE]; | |
503 | struct list_head sd_reclaim_list; | |
504 | spinlock_t sd_reclaim_lock; | |
505 | wait_queue_head_t sd_reclaim_wq; | |
506 | atomic_t sd_reclaim_count; | |
507 | struct gfs2_holder sd_live_gh; | |
508 | struct gfs2_glock *sd_rename_gl; | |
509 | struct gfs2_glock *sd_trans_gl; | |
b3b94faa DT |
510 | |
511 | /* Inode Stuff */ | |
512 | ||
f42faf4f SW |
513 | struct inode *sd_master_dir; |
514 | struct inode *sd_jindex; | |
515 | struct inode *sd_inum_inode; | |
516 | struct inode *sd_statfs_inode; | |
517 | struct inode *sd_ir_inode; | |
518 | struct inode *sd_sc_inode; | |
f42faf4f SW |
519 | struct inode *sd_qc_inode; |
520 | struct inode *sd_rindex; | |
521 | struct inode *sd_quota_inode; | |
b3b94faa DT |
522 | |
523 | /* Inum stuff */ | |
524 | ||
f55ab26a | 525 | struct mutex sd_inum_mutex; |
b3b94faa DT |
526 | |
527 | /* StatFS stuff */ | |
528 | ||
529 | spinlock_t sd_statfs_spin; | |
f55ab26a | 530 | struct mutex sd_statfs_mutex; |
b3b94faa DT |
531 | struct gfs2_statfs_change sd_statfs_master; |
532 | struct gfs2_statfs_change sd_statfs_local; | |
533 | unsigned long sd_statfs_sync_time; | |
534 | ||
535 | /* Resource group stuff */ | |
536 | ||
537 | uint64_t sd_rindex_vn; | |
538 | spinlock_t sd_rindex_spin; | |
f55ab26a | 539 | struct mutex sd_rindex_mutex; |
b3b94faa DT |
540 | struct list_head sd_rindex_list; |
541 | struct list_head sd_rindex_mru_list; | |
542 | struct list_head sd_rindex_recent_list; | |
543 | struct gfs2_rgrpd *sd_rindex_forward; | |
544 | unsigned int sd_rgrps; | |
545 | ||
546 | /* Journal index stuff */ | |
547 | ||
548 | struct list_head sd_jindex_list; | |
549 | spinlock_t sd_jindex_spin; | |
f55ab26a | 550 | struct mutex sd_jindex_mutex; |
b3b94faa DT |
551 | unsigned int sd_journals; |
552 | unsigned long sd_jindex_refresh_time; | |
553 | ||
554 | struct gfs2_jdesc *sd_jdesc; | |
555 | struct gfs2_holder sd_journal_gh; | |
556 | struct gfs2_holder sd_jinode_gh; | |
557 | ||
558 | struct gfs2_holder sd_ir_gh; | |
559 | struct gfs2_holder sd_sc_gh; | |
b3b94faa DT |
560 | struct gfs2_holder sd_qc_gh; |
561 | ||
562 | /* Daemon stuff */ | |
563 | ||
564 | struct task_struct *sd_scand_process; | |
565 | struct task_struct *sd_recoverd_process; | |
566 | struct task_struct *sd_logd_process; | |
567 | struct task_struct *sd_quotad_process; | |
b3b94faa DT |
568 | struct task_struct *sd_glockd_process[GFS2_GLOCKD_MAX]; |
569 | unsigned int sd_glockd_num; | |
570 | ||
b3b94faa DT |
571 | /* Quota stuff */ |
572 | ||
573 | struct list_head sd_quota_list; | |
574 | atomic_t sd_quota_count; | |
575 | spinlock_t sd_quota_spin; | |
f55ab26a | 576 | struct mutex sd_quota_mutex; |
b3b94faa DT |
577 | |
578 | unsigned int sd_quota_slots; | |
579 | unsigned int sd_quota_chunks; | |
580 | unsigned char **sd_quota_bitmap; | |
581 | ||
582 | uint64_t sd_quota_sync_gen; | |
583 | unsigned long sd_quota_sync_time; | |
584 | ||
585 | /* Log stuff */ | |
586 | ||
587 | spinlock_t sd_log_lock; | |
b3b94faa DT |
588 | |
589 | unsigned int sd_log_blks_reserved; | |
590 | unsigned int sd_log_commited_buf; | |
591 | unsigned int sd_log_commited_revoke; | |
592 | ||
593 | unsigned int sd_log_num_gl; | |
594 | unsigned int sd_log_num_buf; | |
595 | unsigned int sd_log_num_revoke; | |
596 | unsigned int sd_log_num_rg; | |
597 | unsigned int sd_log_num_databuf; | |
f42faf4f | 598 | unsigned int sd_log_num_jdata; |
b09e593d | 599 | unsigned int sd_log_num_hdrs; |
f42faf4f | 600 | |
b3b94faa DT |
601 | struct list_head sd_log_le_gl; |
602 | struct list_head sd_log_le_buf; | |
603 | struct list_head sd_log_le_revoke; | |
604 | struct list_head sd_log_le_rg; | |
605 | struct list_head sd_log_le_databuf; | |
606 | ||
607 | unsigned int sd_log_blks_free; | |
71b86f56 | 608 | struct mutex sd_log_reserve_mutex; |
b3b94faa DT |
609 | |
610 | uint64_t sd_log_sequence; | |
611 | unsigned int sd_log_head; | |
612 | unsigned int sd_log_tail; | |
b3b94faa DT |
613 | int sd_log_idle; |
614 | ||
615 | unsigned long sd_log_flush_time; | |
484adff8 | 616 | struct rw_semaphore sd_log_flush_lock; |
b3b94faa DT |
617 | struct list_head sd_log_flush_list; |
618 | ||
619 | unsigned int sd_log_flush_head; | |
620 | uint64_t sd_log_flush_wrapped; | |
621 | ||
622 | struct list_head sd_ail1_list; | |
623 | struct list_head sd_ail2_list; | |
624 | uint64_t sd_ail_sync_gen; | |
625 | ||
626 | /* Replay stuff */ | |
627 | ||
628 | struct list_head sd_revoke_list; | |
629 | unsigned int sd_replay_tail; | |
630 | ||
631 | unsigned int sd_found_blocks; | |
632 | unsigned int sd_found_revokes; | |
633 | unsigned int sd_replayed_blocks; | |
634 | ||
635 | /* For quiescing the filesystem */ | |
636 | ||
637 | struct gfs2_holder sd_freeze_gh; | |
f55ab26a | 638 | struct mutex sd_freeze_lock; |
b3b94faa DT |
639 | unsigned int sd_freeze_count; |
640 | ||
641 | /* Counters */ | |
642 | ||
643 | atomic_t sd_glock_count; | |
644 | atomic_t sd_glock_held_count; | |
645 | atomic_t sd_inode_count; | |
b3b94faa | 646 | atomic_t sd_reclaimed; |
b3b94faa DT |
647 | |
648 | char sd_fsname[GFS2_FSNAME_LEN]; | |
649 | char sd_table_name[GFS2_FSNAME_LEN]; | |
650 | char sd_proto_name[GFS2_FSNAME_LEN]; | |
651 | ||
652 | /* Debugging crud */ | |
653 | ||
654 | unsigned long sd_last_warning; | |
86384605 | 655 | struct vfsmount *sd_gfs2mnt; |
b3b94faa DT |
656 | }; |
657 | ||
658 | #endif /* __INCORE_DOT_H__ */ | |
659 |