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 | |
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 | ||
f2f7ba52 SW |
13 | #include <linux/fs.h> |
14 | ||
b3b94faa DT |
15 | #define DIO_FORCE 0x00000001 |
16 | #define DIO_CLEAN 0x00000002 | |
17 | #define DIO_DIRTY 0x00000004 | |
18 | #define DIO_START 0x00000008 | |
19 | #define DIO_WAIT 0x00000010 | |
20 | #define DIO_METADATA 0x00000020 | |
21 | #define DIO_DATA 0x00000040 | |
22 | #define DIO_RELEASE 0x00000080 | |
23 | #define DIO_ALL 0x00000100 | |
24 | ||
25 | struct gfs2_log_operations; | |
26 | struct gfs2_log_element; | |
b3b94faa DT |
27 | struct gfs2_holder; |
28 | struct gfs2_glock; | |
b3b94faa | 29 | struct gfs2_quota_data; |
b3b94faa DT |
30 | struct gfs2_trans; |
31 | struct gfs2_ail; | |
32 | struct gfs2_jdesc; | |
b3b94faa DT |
33 | struct gfs2_sbd; |
34 | ||
35 | typedef void (*gfs2_glop_bh_t) (struct gfs2_glock *gl, unsigned int ret); | |
36 | ||
37 | /* | |
38 | * Structure of operations that are associated with each | |
39 | * type of element in the log. | |
40 | */ | |
41 | ||
42 | struct gfs2_log_operations { | |
43 | void (*lo_add) (struct gfs2_sbd *sdp, struct gfs2_log_element *le); | |
44 | void (*lo_incore_commit) (struct gfs2_sbd *sdp, struct gfs2_trans *tr); | |
45 | void (*lo_before_commit) (struct gfs2_sbd *sdp); | |
46 | void (*lo_after_commit) (struct gfs2_sbd *sdp, struct gfs2_ail *ai); | |
47 | void (*lo_before_scan) (struct gfs2_jdesc *jd, | |
48 | struct gfs2_log_header *head, int pass); | |
49 | int (*lo_scan_elements) (struct gfs2_jdesc *jd, unsigned int start, | |
50 | struct gfs2_log_descriptor *ld, __be64 *ptr, | |
51 | int pass); | |
52 | void (*lo_after_scan) (struct gfs2_jdesc *jd, int error, int pass); | |
b09e593d | 53 | const char *lo_name; |
b3b94faa DT |
54 | }; |
55 | ||
56 | struct gfs2_log_element { | |
57 | struct list_head le_list; | |
b09e593d | 58 | const struct gfs2_log_operations *le_ops; |
b3b94faa DT |
59 | }; |
60 | ||
61 | struct gfs2_bitmap { | |
62 | struct buffer_head *bi_bh; | |
63 | char *bi_clone; | |
cd915493 SW |
64 | u32 bi_offset; |
65 | u32 bi_start; | |
66 | u32 bi_len; | |
b3b94faa DT |
67 | }; |
68 | ||
69 | struct gfs2_rgrpd { | |
70 | struct list_head rd_list; /* Link with superblock */ | |
71 | struct list_head rd_list_mru; | |
72 | struct list_head rd_recent; /* Recently used rgrps */ | |
73 | struct gfs2_glock *rd_gl; /* Glock for this rgrp */ | |
74 | struct gfs2_rindex rd_ri; | |
75 | struct gfs2_rgrp rd_rg; | |
cd915493 | 76 | u64 rd_rg_vn; |
b3b94faa DT |
77 | struct gfs2_bitmap *rd_bits; |
78 | unsigned int rd_bh_count; | |
f55ab26a | 79 | struct mutex rd_mutex; |
cd915493 | 80 | u32 rd_free_clone; |
b3b94faa | 81 | struct gfs2_log_element rd_le; |
cd915493 SW |
82 | u32 rd_last_alloc_data; |
83 | u32 rd_last_alloc_meta; | |
b3b94faa DT |
84 | struct gfs2_sbd *rd_sbd; |
85 | }; | |
86 | ||
87 | enum gfs2_state_bits { | |
88 | BH_Pinned = BH_PrivateStart, | |
f42faf4f | 89 | BH_Escaped = BH_PrivateStart + 1, |
b3b94faa DT |
90 | }; |
91 | ||
92 | BUFFER_FNS(Pinned, pinned) | |
93 | TAS_BUFFER_FNS(Pinned, pinned) | |
f42faf4f SW |
94 | BUFFER_FNS(Escaped, escaped) |
95 | TAS_BUFFER_FNS(Escaped, escaped) | |
b3b94faa DT |
96 | |
97 | struct gfs2_bufdata { | |
98 | struct buffer_head *bd_bh; | |
99 | struct gfs2_glock *bd_gl; | |
100 | ||
101 | struct list_head bd_list_tr; | |
102 | struct gfs2_log_element bd_le; | |
103 | ||
104 | struct gfs2_ail *bd_ail; | |
105 | struct list_head bd_ail_st_list; | |
106 | struct list_head bd_ail_gl_list; | |
107 | }; | |
108 | ||
85d1da67 SW |
109 | struct gfs2_gl_hash_bucket { |
110 | rwlock_t hb_lock; | |
111 | struct list_head hb_list; | |
112 | }; | |
113 | ||
b3b94faa DT |
114 | struct gfs2_glock_operations { |
115 | void (*go_xmote_th) (struct gfs2_glock * gl, unsigned int state, | |
116 | int flags); | |
117 | void (*go_xmote_bh) (struct gfs2_glock * gl); | |
118 | void (*go_drop_th) (struct gfs2_glock * gl); | |
119 | void (*go_drop_bh) (struct gfs2_glock * gl); | |
120 | void (*go_sync) (struct gfs2_glock * gl, int flags); | |
121 | void (*go_inval) (struct gfs2_glock * gl, int flags); | |
122 | int (*go_demote_ok) (struct gfs2_glock * gl); | |
123 | int (*go_lock) (struct gfs2_holder * gh); | |
124 | void (*go_unlock) (struct gfs2_holder * gh); | |
125 | void (*go_callback) (struct gfs2_glock * gl, unsigned int state); | |
126 | void (*go_greedy) (struct gfs2_glock * gl); | |
8fb4b536 | 127 | const int go_type; |
b3b94faa DT |
128 | }; |
129 | ||
130 | enum { | |
131 | /* Actions */ | |
132 | HIF_MUTEX = 0, | |
133 | HIF_PROMOTE = 1, | |
134 | HIF_DEMOTE = 2, | |
135 | HIF_GREEDY = 3, | |
136 | ||
137 | /* States */ | |
138 | HIF_ALLOCED = 4, | |
139 | HIF_DEALLOC = 5, | |
140 | HIF_HOLDER = 6, | |
141 | HIF_FIRST = 7, | |
b3b94faa DT |
142 | HIF_ABORTED = 9, |
143 | }; | |
144 | ||
145 | struct gfs2_holder { | |
146 | struct list_head gh_list; | |
147 | ||
148 | struct gfs2_glock *gh_gl; | |
149 | struct task_struct *gh_owner; | |
150 | unsigned int gh_state; | |
fe1bdedc | 151 | unsigned gh_flags; |
b3b94faa DT |
152 | |
153 | int gh_error; | |
695165df | 154 | unsigned long gh_iflags; |
b3b94faa | 155 | struct completion gh_wait; |
d0dc80db | 156 | unsigned long gh_ip; |
b3b94faa DT |
157 | }; |
158 | ||
159 | enum { | |
160 | GLF_PLUG = 0, | |
161 | GLF_LOCK = 1, | |
162 | GLF_STICKY = 2, | |
163 | GLF_PREFETCH = 3, | |
b3b94faa DT |
164 | GLF_DIRTY = 5, |
165 | GLF_SKIP_WAITERS2 = 6, | |
166 | GLF_GREEDY = 7, | |
167 | }; | |
168 | ||
169 | struct gfs2_glock { | |
170 | struct list_head gl_list; | |
171 | unsigned long gl_flags; /* GLF_... */ | |
172 | struct lm_lockname gl_name; | |
173 | struct kref gl_ref; | |
174 | ||
175 | spinlock_t gl_spin; | |
176 | ||
177 | unsigned int gl_state; | |
320dd101 SW |
178 | struct task_struct *gl_owner; |
179 | unsigned long gl_ip; | |
b3b94faa DT |
180 | struct list_head gl_holders; |
181 | struct list_head gl_waiters1; /* HIF_MUTEX */ | |
182 | struct list_head gl_waiters2; /* HIF_DEMOTE, HIF_GREEDY */ | |
183 | struct list_head gl_waiters3; /* HIF_PROMOTE */ | |
184 | ||
8fb4b536 | 185 | const struct gfs2_glock_operations *gl_ops; |
b3b94faa DT |
186 | |
187 | struct gfs2_holder *gl_req_gh; | |
188 | gfs2_glop_bh_t gl_req_bh; | |
189 | ||
9b47c11d | 190 | void *gl_lock; |
b3b94faa DT |
191 | char *gl_lvb; |
192 | atomic_t gl_lvb_count; | |
193 | ||
cd915493 | 194 | u64 gl_vn; |
b3b94faa DT |
195 | unsigned long gl_stamp; |
196 | void *gl_object; | |
197 | ||
198 | struct gfs2_gl_hash_bucket *gl_bucket; | |
199 | struct list_head gl_reclaim; | |
200 | ||
201 | struct gfs2_sbd *gl_sbd; | |
202 | ||
203 | struct inode *gl_aspace; | |
204 | struct gfs2_log_element gl_le; | |
205 | struct list_head gl_ail_list; | |
206 | atomic_t gl_ail_count; | |
207 | }; | |
208 | ||
209 | struct gfs2_alloc { | |
210 | /* Quota stuff */ | |
211 | ||
e9fc2aa0 SW |
212 | struct gfs2_quota_data *al_qd[2*MAXQUOTAS]; |
213 | struct gfs2_holder al_qd_ghs[2*MAXQUOTAS]; | |
6b61b072 | 214 | unsigned int al_qd_num; |
b3b94faa | 215 | |
6b61b072 SW |
216 | u32 al_requested; /* Filled in by caller of gfs2_inplace_reserve() */ |
217 | u32 al_alloced; /* Filled in by gfs2_alloc_*() */ | |
b3b94faa DT |
218 | |
219 | /* Filled in by gfs2_inplace_reserve() */ | |
220 | ||
b3b94faa | 221 | unsigned int al_line; |
6b61b072 | 222 | char *al_file; |
b3b94faa DT |
223 | struct gfs2_holder al_ri_gh; |
224 | struct gfs2_holder al_rgd_gh; | |
225 | struct gfs2_rgrpd *al_rgd; | |
226 | ||
b3b94faa DT |
227 | }; |
228 | ||
229 | enum { | |
b3b94faa DT |
230 | GIF_QD_LOCKED = 1, |
231 | GIF_PAGED = 2, | |
232 | GIF_SW_PAGED = 3, | |
233 | }; | |
234 | ||
235 | struct gfs2_inode { | |
320dd101 | 236 | struct inode i_inode; |
b3b94faa DT |
237 | struct gfs2_inum i_num; |
238 | ||
b3b94faa DT |
239 | unsigned long i_flags; /* GIF_... */ |
240 | ||
cd915493 | 241 | u64 i_vn; |
feaa7bba | 242 | struct gfs2_dinode i_di; /* To be replaced by ref to block */ |
b3b94faa | 243 | |
feaa7bba | 244 | struct gfs2_glock *i_gl; /* Move into i_gh? */ |
b3b94faa | 245 | struct gfs2_holder i_iopen_gh; |
f42faf4f | 246 | struct gfs2_holder i_gh; /* for prepare/commit_write only */ |
b3b94faa | 247 | struct gfs2_alloc i_alloc; |
cd915493 | 248 | u64 i_last_rg_alloc; |
b3b94faa DT |
249 | |
250 | spinlock_t i_spin; | |
251 | struct rw_semaphore i_rw_mutex; | |
b3b94faa DT |
252 | unsigned int i_greedy; |
253 | unsigned long i_last_pfault; | |
254 | ||
255 | struct buffer_head *i_cache[GFS2_MAX_META_HEIGHT]; | |
256 | }; | |
257 | ||
feaa7bba SW |
258 | /* |
259 | * Since i_inode is the first element of struct gfs2_inode, | |
260 | * this is effectively a cast. | |
261 | */ | |
320dd101 SW |
262 | static inline struct gfs2_inode *GFS2_I(struct inode *inode) |
263 | { | |
264 | return container_of(inode, struct gfs2_inode, i_inode); | |
265 | } | |
266 | ||
feaa7bba SW |
267 | /* To be removed? */ |
268 | static inline struct gfs2_sbd *GFS2_SB(struct inode *inode) | |
269 | { | |
270 | return inode->i_sb->s_fs_info; | |
271 | } | |
272 | ||
b3b94faa DT |
273 | enum { |
274 | GFF_DID_DIRECT_ALLOC = 0, | |
59a1cc6b | 275 | GFF_EXLOCK = 1, |
b3b94faa DT |
276 | }; |
277 | ||
278 | struct gfs2_file { | |
279 | unsigned long f_flags; /* GFF_... */ | |
f55ab26a | 280 | struct mutex f_fl_mutex; |
b3b94faa | 281 | struct gfs2_holder f_fl_gh; |
b3b94faa DT |
282 | }; |
283 | ||
284 | struct gfs2_revoke { | |
285 | struct gfs2_log_element rv_le; | |
cd915493 | 286 | u64 rv_blkno; |
b3b94faa DT |
287 | }; |
288 | ||
289 | struct gfs2_revoke_replay { | |
290 | struct list_head rr_list; | |
cd915493 | 291 | u64 rr_blkno; |
b3b94faa DT |
292 | unsigned int rr_where; |
293 | }; | |
294 | ||
b3b94faa DT |
295 | enum { |
296 | QDF_USER = 0, | |
297 | QDF_CHANGE = 1, | |
298 | QDF_LOCKED = 2, | |
299 | }; | |
300 | ||
5c676f6d | 301 | struct gfs2_quota_lvb { |
e9fc2aa0 SW |
302 | __be32 qb_magic; |
303 | u32 __pad; | |
304 | __be64 qb_limit; /* Hard limit of # blocks to alloc */ | |
305 | __be64 qb_warn; /* Warn user when alloc is above this # */ | |
306 | __be64 qb_value; /* Current # blocks allocated */ | |
5c676f6d SW |
307 | }; |
308 | ||
b3b94faa DT |
309 | struct gfs2_quota_data { |
310 | struct list_head qd_list; | |
311 | unsigned int qd_count; | |
312 | ||
cd915493 | 313 | u32 qd_id; |
b3b94faa DT |
314 | unsigned long qd_flags; /* QDF_... */ |
315 | ||
cd915493 SW |
316 | s64 qd_change; |
317 | s64 qd_change_sync; | |
b3b94faa DT |
318 | |
319 | unsigned int qd_slot; | |
320 | unsigned int qd_slot_count; | |
321 | ||
322 | struct buffer_head *qd_bh; | |
323 | struct gfs2_quota_change *qd_bh_qc; | |
324 | unsigned int qd_bh_count; | |
325 | ||
326 | struct gfs2_glock *qd_gl; | |
327 | struct gfs2_quota_lvb qd_qb; | |
328 | ||
cd915493 | 329 | u64 qd_sync_gen; |
b3b94faa DT |
330 | unsigned long qd_last_warn; |
331 | unsigned long qd_last_touched; | |
332 | }; | |
333 | ||
334 | struct gfs2_log_buf { | |
335 | struct list_head lb_list; | |
336 | struct buffer_head *lb_bh; | |
337 | struct buffer_head *lb_real; | |
338 | }; | |
339 | ||
340 | struct gfs2_trans { | |
d0dc80db | 341 | unsigned long tr_ip; |
b3b94faa DT |
342 | |
343 | unsigned int tr_blocks; | |
344 | unsigned int tr_revokes; | |
345 | unsigned int tr_reserved; | |
346 | ||
e317ffcb | 347 | struct gfs2_holder tr_t_gh; |
b3b94faa DT |
348 | |
349 | int tr_touched; | |
350 | ||
351 | unsigned int tr_num_buf; | |
352 | unsigned int tr_num_buf_new; | |
353 | unsigned int tr_num_buf_rm; | |
354 | struct list_head tr_list_buf; | |
355 | ||
356 | unsigned int tr_num_revoke; | |
357 | unsigned int tr_num_revoke_rm; | |
358 | }; | |
359 | ||
360 | struct gfs2_ail { | |
361 | struct list_head ai_list; | |
362 | ||
363 | unsigned int ai_first; | |
364 | struct list_head ai_ail1_list; | |
365 | struct list_head ai_ail2_list; | |
366 | ||
cd915493 | 367 | u64 ai_sync_gen; |
b3b94faa DT |
368 | }; |
369 | ||
370 | struct gfs2_jdesc { | |
371 | struct list_head jd_list; | |
372 | ||
7359a19c | 373 | struct inode *jd_inode; |
b3b94faa DT |
374 | unsigned int jd_jid; |
375 | int jd_dirty; | |
376 | ||
377 | unsigned int jd_blocks; | |
378 | }; | |
379 | ||
380 | #define GFS2_GLOCKD_DEFAULT 1 | |
381 | #define GFS2_GLOCKD_MAX 16 | |
382 | ||
383 | #define GFS2_QUOTA_DEFAULT GFS2_QUOTA_OFF | |
384 | #define GFS2_QUOTA_OFF 0 | |
385 | #define GFS2_QUOTA_ACCOUNT 1 | |
386 | #define GFS2_QUOTA_ON 2 | |
387 | ||
388 | #define GFS2_DATA_DEFAULT GFS2_DATA_ORDERED | |
389 | #define GFS2_DATA_WRITEBACK 1 | |
390 | #define GFS2_DATA_ORDERED 2 | |
391 | ||
392 | struct gfs2_args { | |
393 | char ar_lockproto[GFS2_LOCKNAME_LEN]; /* Name of the Lock Protocol */ | |
394 | char ar_locktable[GFS2_LOCKNAME_LEN]; /* Name of the Lock Table */ | |
395 | char ar_hostdata[GFS2_LOCKNAME_LEN]; /* Host specific data */ | |
396 | int ar_spectator; /* Don't get a journal because we're always RO */ | |
397 | int ar_ignore_local_fs; /* Don't optimize even if local_fs is 1 */ | |
398 | int ar_localflocks; /* Let the VFS do flock|fcntl locks for us */ | |
399 | int ar_localcaching; /* Local-style caching (dangerous on multihost) */ | |
400 | int ar_debug; /* Oops on errors instead of trying to be graceful */ | |
401 | int ar_upgrade; /* Upgrade ondisk/multihost format */ | |
402 | unsigned int ar_num_glockd; /* Number of glockd threads */ | |
403 | int ar_posix_acl; /* Enable posix acls */ | |
404 | int ar_quota; /* off/account/on */ | |
405 | int ar_suiddir; /* suiddir support */ | |
406 | int ar_data; /* ordered/writeback */ | |
407 | }; | |
408 | ||
409 | struct gfs2_tune { | |
410 | spinlock_t gt_spin; | |
411 | ||
412 | unsigned int gt_ilimit; | |
413 | unsigned int gt_ilimit_tries; | |
414 | unsigned int gt_ilimit_min; | |
415 | unsigned int gt_demote_secs; /* Cache retention for unheld glock */ | |
416 | unsigned int gt_incore_log_blocks; | |
417 | unsigned int gt_log_flush_secs; | |
418 | unsigned int gt_jindex_refresh_secs; /* Check for new journal index */ | |
419 | ||
420 | unsigned int gt_scand_secs; | |
421 | unsigned int gt_recoverd_secs; | |
422 | unsigned int gt_logd_secs; | |
423 | unsigned int gt_quotad_secs; | |
b3b94faa DT |
424 | |
425 | unsigned int gt_quota_simul_sync; /* Max quotavals to sync at once */ | |
426 | unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */ | |
427 | unsigned int gt_quota_scale_num; /* Numerator */ | |
428 | unsigned int gt_quota_scale_den; /* Denominator */ | |
429 | unsigned int gt_quota_cache_secs; | |
430 | unsigned int gt_quota_quantum; /* Secs between syncs to quota file */ | |
431 | unsigned int gt_atime_quantum; /* Min secs between atime updates */ | |
432 | unsigned int gt_new_files_jdata; | |
433 | unsigned int gt_new_files_directio; | |
434 | unsigned int gt_max_atomic_write; /* Split big writes into this size */ | |
435 | unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */ | |
436 | unsigned int gt_lockdump_size; | |
437 | unsigned int gt_stall_secs; /* Detects trouble! */ | |
438 | unsigned int gt_complain_secs; | |
439 | unsigned int gt_reclaim_limit; /* Max num of glocks in reclaim list */ | |
440 | unsigned int gt_entries_per_readdir; | |
441 | unsigned int gt_prefetch_secs; /* Usage window for prefetched glocks */ | |
442 | unsigned int gt_greedy_default; | |
443 | unsigned int gt_greedy_quantum; | |
444 | unsigned int gt_greedy_max; | |
445 | unsigned int gt_statfs_quantum; | |
446 | unsigned int gt_statfs_slow; | |
447 | }; | |
448 | ||
b3b94faa DT |
449 | enum { |
450 | SDF_JOURNAL_CHECKED = 0, | |
451 | SDF_JOURNAL_LIVE = 1, | |
452 | SDF_SHUTDOWN = 2, | |
453 | SDF_NOATIME = 3, | |
454 | }; | |
455 | ||
456 | #define GFS2_GL_HASH_SHIFT 13 | |
457 | #define GFS2_GL_HASH_SIZE (1 << GFS2_GL_HASH_SHIFT) | |
458 | #define GFS2_GL_HASH_MASK (GFS2_GL_HASH_SIZE - 1) | |
459 | #define GFS2_FSNAME_LEN 256 | |
460 | ||
461 | struct gfs2_sbd { | |
462 | struct super_block *sd_vfs; | |
86384605 | 463 | struct super_block *sd_vfs_meta; |
b3b94faa DT |
464 | struct kobject sd_kobj; |
465 | unsigned long sd_flags; /* SDF_... */ | |
466 | struct gfs2_sb sd_sb; | |
467 | ||
468 | /* Constants computed on mount */ | |
469 | ||
cd915493 SW |
470 | u32 sd_fsb2bb; |
471 | u32 sd_fsb2bb_shift; | |
472 | u32 sd_diptrs; /* Number of pointers in a dinode */ | |
473 | u32 sd_inptrs; /* Number of pointers in a indirect block */ | |
474 | u32 sd_jbsize; /* Size of a journaled data block */ | |
475 | u32 sd_hash_bsize; /* sizeof(exhash block) */ | |
476 | u32 sd_hash_bsize_shift; | |
477 | u32 sd_hash_ptrs; /* Number of pointers in a hash block */ | |
478 | u32 sd_qc_per_block; | |
479 | u32 sd_max_dirres; /* Max blocks needed to add a directory entry */ | |
480 | u32 sd_max_height; /* Max height of a file's metadata tree */ | |
481 | u64 sd_heightsize[GFS2_MAX_META_HEIGHT]; | |
482 | u32 sd_max_jheight; /* Max height of journaled file's meta tree */ | |
483 | u64 sd_jheightsize[GFS2_MAX_META_HEIGHT]; | |
b3b94faa DT |
484 | |
485 | struct gfs2_args sd_args; /* Mount arguments */ | |
486 | struct gfs2_tune sd_tune; /* Filesystem tuning structure */ | |
487 | ||
488 | /* Lock Stuff */ | |
489 | ||
490 | struct lm_lockstruct sd_lockstruct; | |
b3b94faa DT |
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 |