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authorDavid Teigland <teigland@redhat.com>2006-01-16 11:50:04 -0500
committerSteven Whitehouse <swhiteho@redhat.com>2006-01-16 11:50:04 -0500
commitb3b94faa5fe5968827ba0640ee9fba4b3e7f736e (patch)
tree70bd6068b050d2c46e338484f8b03fae4365c6c3 /fs/gfs2/incore.h
parentf7825dcf8c7301cfd3724eb40c5b443cc85ab7b8 (diff)
[GFS2] The core of GFS2
This patch contains all the core files for GFS2. Signed-off-by: David Teigland <teigland@redhat.com> Signed-off-by: Steven Whitehouse <swhiteho@redhat.com>
Diffstat (limited to 'fs/gfs2/incore.h')
-rw-r--r--fs/gfs2/incore.h703
1 files changed, 703 insertions, 0 deletions
diff --git a/fs/gfs2/incore.h b/fs/gfs2/incore.h
new file mode 100644
index 000000000000..3ed0a7f26e45
--- /dev/null
+++ b/fs/gfs2/incore.h
@@ -0,0 +1,703 @@
1/*
2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
3 * Copyright (C) 2004-2005 Red Hat, Inc. All rights reserved.
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
23struct gfs2_log_operations;
24struct gfs2_log_element;
25struct gfs2_bitmap;
26struct gfs2_rgrpd;
27struct gfs2_bufdata;
28struct gfs2_databuf;
29struct gfs2_glock_operations;
30struct gfs2_holder;
31struct gfs2_glock;
32struct gfs2_alloc;
33struct gfs2_inode;
34struct gfs2_file;
35struct gfs2_revoke;
36struct gfs2_revoke_replay;
37struct gfs2_unlinked;
38struct gfs2_quota_data;
39struct gfs2_log_buf;
40struct gfs2_trans;
41struct gfs2_ail;
42struct gfs2_jdesc;
43struct gfs2_args;
44struct gfs2_tune;
45struct gfs2_gl_hash_bucket;
46struct gfs2_sbd;
47
48typedef void (*gfs2_glop_bh_t) (struct gfs2_glock *gl, unsigned int ret);
49
50/*
51 * Structure of operations that are associated with each
52 * type of element in the log.
53 */
54
55struct gfs2_log_operations {
56 void (*lo_add) (struct gfs2_sbd *sdp, struct gfs2_log_element *le);
57 void (*lo_incore_commit) (struct gfs2_sbd *sdp, struct gfs2_trans *tr);
58 void (*lo_before_commit) (struct gfs2_sbd *sdp);
59 void (*lo_after_commit) (struct gfs2_sbd *sdp, struct gfs2_ail *ai);
60 void (*lo_before_scan) (struct gfs2_jdesc *jd,
61 struct gfs2_log_header *head, int pass);
62 int (*lo_scan_elements) (struct gfs2_jdesc *jd, unsigned int start,
63 struct gfs2_log_descriptor *ld, __be64 *ptr,
64 int pass);
65 void (*lo_after_scan) (struct gfs2_jdesc *jd, int error, int pass);
66 char *lo_name;
67};
68
69struct gfs2_log_element {
70 struct list_head le_list;
71 struct gfs2_log_operations *le_ops;
72};
73
74struct gfs2_bitmap {
75 struct buffer_head *bi_bh;
76 char *bi_clone;
77 uint32_t bi_offset;
78 uint32_t bi_start;
79 uint32_t bi_len;
80};
81
82struct gfs2_rgrpd {
83 struct list_head rd_list; /* Link with superblock */
84 struct list_head rd_list_mru;
85 struct list_head rd_recent; /* Recently used rgrps */
86 struct gfs2_glock *rd_gl; /* Glock for this rgrp */
87 struct gfs2_rindex rd_ri;
88 struct gfs2_rgrp rd_rg;
89 uint64_t rd_rg_vn;
90 struct gfs2_bitmap *rd_bits;
91 unsigned int rd_bh_count;
92 struct semaphore rd_mutex;
93 uint32_t rd_free_clone;
94 struct gfs2_log_element rd_le;
95 uint32_t rd_last_alloc_data;
96 uint32_t rd_last_alloc_meta;
97 struct gfs2_sbd *rd_sbd;
98};
99
100enum gfs2_state_bits {
101 BH_Pinned = BH_PrivateStart,
102};
103
104BUFFER_FNS(Pinned, pinned)
105TAS_BUFFER_FNS(Pinned, pinned)
106
107struct gfs2_bufdata {
108 struct buffer_head *bd_bh;
109 struct gfs2_glock *bd_gl;
110
111 struct list_head bd_list_tr;
112 struct gfs2_log_element bd_le;
113
114 struct gfs2_ail *bd_ail;
115 struct list_head bd_ail_st_list;
116 struct list_head bd_ail_gl_list;
117};
118
119struct gfs2_databuf {
120 struct gfs2_log_element db_le;
121 struct buffer_head *db_bh;
122};
123
124struct gfs2_glock_operations {
125 void (*go_xmote_th) (struct gfs2_glock * gl, unsigned int state,
126 int flags);
127 void (*go_xmote_bh) (struct gfs2_glock * gl);
128 void (*go_drop_th) (struct gfs2_glock * gl);
129 void (*go_drop_bh) (struct gfs2_glock * gl);
130 void (*go_sync) (struct gfs2_glock * gl, int flags);
131 void (*go_inval) (struct gfs2_glock * gl, int flags);
132 int (*go_demote_ok) (struct gfs2_glock * gl);
133 int (*go_lock) (struct gfs2_holder * gh);
134 void (*go_unlock) (struct gfs2_holder * gh);
135 void (*go_callback) (struct gfs2_glock * gl, unsigned int state);
136 void (*go_greedy) (struct gfs2_glock * gl);
137 int go_type;
138};
139
140enum {
141 /* Actions */
142 HIF_MUTEX = 0,
143 HIF_PROMOTE = 1,
144 HIF_DEMOTE = 2,
145 HIF_GREEDY = 3,
146
147 /* States */
148 HIF_ALLOCED = 4,
149 HIF_DEALLOC = 5,
150 HIF_HOLDER = 6,
151 HIF_FIRST = 7,
152 HIF_RECURSE = 8,
153 HIF_ABORTED = 9,
154};
155
156struct gfs2_holder {
157 struct list_head gh_list;
158
159 struct gfs2_glock *gh_gl;
160 struct task_struct *gh_owner;
161 unsigned int gh_state;
162 int gh_flags;
163
164 int gh_error;
165 unsigned long gh_iflags;
166 struct completion gh_wait;
167};
168
169enum {
170 GLF_PLUG = 0,
171 GLF_LOCK = 1,
172 GLF_STICKY = 2,
173 GLF_PREFETCH = 3,
174 GLF_SYNC = 4,
175 GLF_DIRTY = 5,
176 GLF_SKIP_WAITERS2 = 6,
177 GLF_GREEDY = 7,
178};
179
180struct gfs2_glock {
181 struct list_head gl_list;
182 unsigned long gl_flags; /* GLF_... */
183 struct lm_lockname gl_name;
184 struct kref gl_ref;
185
186 spinlock_t gl_spin;
187
188 unsigned int gl_state;
189 struct list_head gl_holders;
190 struct list_head gl_waiters1; /* HIF_MUTEX */
191 struct list_head gl_waiters2; /* HIF_DEMOTE, HIF_GREEDY */
192 struct list_head gl_waiters3; /* HIF_PROMOTE */
193
194 struct gfs2_glock_operations *gl_ops;
195
196 struct gfs2_holder *gl_req_gh;
197 gfs2_glop_bh_t gl_req_bh;
198
199 lm_lock_t *gl_lock;
200 char *gl_lvb;
201 atomic_t gl_lvb_count;
202
203 uint64_t gl_vn;
204 unsigned long gl_stamp;
205 void *gl_object;
206
207 struct gfs2_gl_hash_bucket *gl_bucket;
208 struct list_head gl_reclaim;
209
210 struct gfs2_sbd *gl_sbd;
211
212 struct inode *gl_aspace;
213 struct gfs2_log_element gl_le;
214 struct list_head gl_ail_list;
215 atomic_t gl_ail_count;
216};
217
218struct gfs2_alloc {
219 /* Quota stuff */
220
221 unsigned int al_qd_num;
222 struct gfs2_quota_data *al_qd[4];
223 struct gfs2_holder al_qd_ghs[4];
224
225 /* Filled in by the caller to gfs2_inplace_reserve() */
226
227 uint32_t al_requested;
228
229 /* Filled in by gfs2_inplace_reserve() */
230
231 char *al_file;
232 unsigned int al_line;
233 struct gfs2_holder al_ri_gh;
234 struct gfs2_holder al_rgd_gh;
235 struct gfs2_rgrpd *al_rgd;
236
237 /* Filled in by gfs2_alloc_*() */
238
239 uint32_t al_alloced;
240};
241
242enum {
243 GIF_MIN_INIT = 0,
244 GIF_QD_LOCKED = 1,
245 GIF_PAGED = 2,
246 GIF_SW_PAGED = 3,
247};
248
249struct gfs2_inode {
250 struct gfs2_inum i_num;
251
252 atomic_t i_count;
253 unsigned long i_flags; /* GIF_... */
254
255 uint64_t i_vn;
256 struct gfs2_dinode i_di;
257
258 struct gfs2_glock *i_gl;
259 struct gfs2_sbd *i_sbd;
260 struct inode *i_vnode;
261
262 struct gfs2_holder i_iopen_gh;
263
264 struct gfs2_alloc i_alloc;
265 uint64_t i_last_rg_alloc;
266
267 spinlock_t i_spin;
268 struct rw_semaphore i_rw_mutex;
269
270 unsigned int i_greedy;
271 unsigned long i_last_pfault;
272
273 struct buffer_head *i_cache[GFS2_MAX_META_HEIGHT];
274};
275
276enum {
277 GFF_DID_DIRECT_ALLOC = 0,
278};
279
280struct gfs2_file {
281 unsigned long f_flags; /* GFF_... */
282
283 struct semaphore f_fl_mutex;
284 struct gfs2_holder f_fl_gh;
285
286 struct gfs2_inode *f_inode;
287 struct file *f_vfile;
288};
289
290struct gfs2_revoke {
291 struct gfs2_log_element rv_le;
292 uint64_t rv_blkno;
293};
294
295struct gfs2_revoke_replay {
296 struct list_head rr_list;
297 uint64_t rr_blkno;
298 unsigned int rr_where;
299};
300
301enum {
302 ULF_LOCKED = 0,
303};
304
305struct gfs2_unlinked {
306 struct list_head ul_list;
307 unsigned int ul_count;
308 struct gfs2_unlinked_tag ul_ut;
309 unsigned long ul_flags; /* ULF_... */
310 unsigned int ul_slot;
311};
312
313enum {
314 QDF_USER = 0,
315 QDF_CHANGE = 1,
316 QDF_LOCKED = 2,
317};
318
319struct gfs2_quota_data {
320 struct list_head qd_list;
321 unsigned int qd_count;
322
323 uint32_t qd_id;
324 unsigned long qd_flags; /* QDF_... */
325
326 int64_t qd_change;
327 int64_t qd_change_sync;
328
329 unsigned int qd_slot;
330 unsigned int qd_slot_count;
331
332 struct buffer_head *qd_bh;
333 struct gfs2_quota_change *qd_bh_qc;
334 unsigned int qd_bh_count;
335
336 struct gfs2_glock *qd_gl;
337 struct gfs2_quota_lvb qd_qb;
338
339 uint64_t qd_sync_gen;
340 unsigned long qd_last_warn;
341 unsigned long qd_last_touched;
342};
343
344struct gfs2_log_buf {
345 struct list_head lb_list;
346 struct buffer_head *lb_bh;
347 struct buffer_head *lb_real;
348};
349
350struct gfs2_trans {
351 char *tr_file;
352 unsigned int tr_line;
353
354 unsigned int tr_blocks;
355 unsigned int tr_revokes;
356 unsigned int tr_reserved;
357
358 struct gfs2_holder *tr_t_gh;
359
360 int tr_touched;
361
362 unsigned int tr_num_buf;
363 unsigned int tr_num_buf_new;
364 unsigned int tr_num_buf_rm;
365 struct list_head tr_list_buf;
366
367 unsigned int tr_num_revoke;
368 unsigned int tr_num_revoke_rm;
369};
370
371struct gfs2_ail {
372 struct list_head ai_list;
373
374 unsigned int ai_first;
375 struct list_head ai_ail1_list;
376 struct list_head ai_ail2_list;
377
378 uint64_t ai_sync_gen;
379};
380
381struct gfs2_jdesc {
382 struct list_head jd_list;
383
384 struct gfs2_inode *jd_inode;
385 unsigned int jd_jid;
386 int jd_dirty;
387
388 unsigned int jd_blocks;
389};
390
391#define GFS2_GLOCKD_DEFAULT 1
392#define GFS2_GLOCKD_MAX 16
393
394#define GFS2_QUOTA_DEFAULT GFS2_QUOTA_OFF
395#define GFS2_QUOTA_OFF 0
396#define GFS2_QUOTA_ACCOUNT 1
397#define GFS2_QUOTA_ON 2
398
399#define GFS2_DATA_DEFAULT GFS2_DATA_ORDERED
400#define GFS2_DATA_WRITEBACK 1
401#define GFS2_DATA_ORDERED 2
402
403struct gfs2_args {
404 char ar_lockproto[GFS2_LOCKNAME_LEN]; /* Name of the Lock Protocol */
405 char ar_locktable[GFS2_LOCKNAME_LEN]; /* Name of the Lock Table */
406 char ar_hostdata[GFS2_LOCKNAME_LEN]; /* Host specific data */
407 int ar_spectator; /* Don't get a journal because we're always RO */
408 int ar_ignore_local_fs; /* Don't optimize even if local_fs is 1 */
409 int ar_localflocks; /* Let the VFS do flock|fcntl locks for us */
410 int ar_localcaching; /* Local-style caching (dangerous on multihost) */
411 int ar_debug; /* Oops on errors instead of trying to be graceful */
412 int ar_upgrade; /* Upgrade ondisk/multihost format */
413 unsigned int ar_num_glockd; /* Number of glockd threads */
414 int ar_posix_acl; /* Enable posix acls */
415 int ar_quota; /* off/account/on */
416 int ar_suiddir; /* suiddir support */
417 int ar_data; /* ordered/writeback */
418};
419
420struct gfs2_tune {
421 spinlock_t gt_spin;
422
423 unsigned int gt_ilimit;
424 unsigned int gt_ilimit_tries;
425 unsigned int gt_ilimit_min;
426 unsigned int gt_demote_secs; /* Cache retention for unheld glock */
427 unsigned int gt_incore_log_blocks;
428 unsigned int gt_log_flush_secs;
429 unsigned int gt_jindex_refresh_secs; /* Check for new journal index */
430
431 unsigned int gt_scand_secs;
432 unsigned int gt_recoverd_secs;
433 unsigned int gt_logd_secs;
434 unsigned int gt_quotad_secs;
435 unsigned int gt_inoded_secs;
436
437 unsigned int gt_quota_simul_sync; /* Max quotavals to sync at once */
438 unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */
439 unsigned int gt_quota_scale_num; /* Numerator */
440 unsigned int gt_quota_scale_den; /* Denominator */
441 unsigned int gt_quota_cache_secs;
442 unsigned int gt_quota_quantum; /* Secs between syncs to quota file */
443 unsigned int gt_atime_quantum; /* Min secs between atime updates */
444 unsigned int gt_new_files_jdata;
445 unsigned int gt_new_files_directio;
446 unsigned int gt_max_atomic_write; /* Split big writes into this size */
447 unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */
448 unsigned int gt_lockdump_size;
449 unsigned int gt_stall_secs; /* Detects trouble! */
450 unsigned int gt_complain_secs;
451 unsigned int gt_reclaim_limit; /* Max num of glocks in reclaim list */
452 unsigned int gt_entries_per_readdir;
453 unsigned int gt_prefetch_secs; /* Usage window for prefetched glocks */
454 unsigned int gt_greedy_default;
455 unsigned int gt_greedy_quantum;
456 unsigned int gt_greedy_max;
457 unsigned int gt_statfs_quantum;
458 unsigned int gt_statfs_slow;
459};
460
461struct gfs2_gl_hash_bucket {
462 rwlock_t hb_lock;
463 struct list_head hb_list;
464};
465
466enum {
467 SDF_JOURNAL_CHECKED = 0,
468 SDF_JOURNAL_LIVE = 1,
469 SDF_SHUTDOWN = 2,
470 SDF_NOATIME = 3,
471};
472
473#define GFS2_GL_HASH_SHIFT 13
474#define GFS2_GL_HASH_SIZE (1 << GFS2_GL_HASH_SHIFT)
475#define GFS2_GL_HASH_MASK (GFS2_GL_HASH_SIZE - 1)
476#define GFS2_FSNAME_LEN 256
477
478struct gfs2_sbd {
479 struct super_block *sd_vfs;
480 struct kobject sd_kobj;
481 unsigned long sd_flags; /* SDF_... */
482 struct gfs2_sb sd_sb;
483
484 /* Constants computed on mount */
485
486 uint32_t sd_fsb2bb;
487 uint32_t sd_fsb2bb_shift;
488 uint32_t sd_diptrs; /* Number of pointers in a dinode */
489 uint32_t sd_inptrs; /* Number of pointers in a indirect block */
490 uint32_t sd_jbsize; /* Size of a journaled data block */
491 uint32_t sd_hash_bsize; /* sizeof(exhash block) */
492 uint32_t sd_hash_bsize_shift;
493 uint32_t sd_hash_ptrs; /* Number of pointers in a hash block */
494 uint32_t sd_ut_per_block;
495 uint32_t sd_qc_per_block;
496 uint32_t sd_max_dirres; /* Max blocks needed to add a directory entry */
497 uint32_t sd_max_height; /* Max height of a file's metadata tree */
498 uint64_t sd_heightsize[GFS2_MAX_META_HEIGHT];
499 uint32_t sd_max_jheight; /* Max height of journaled file's meta tree */
500 uint64_t sd_jheightsize[GFS2_MAX_META_HEIGHT];
501
502 struct gfs2_args sd_args; /* Mount arguments */
503 struct gfs2_tune sd_tune; /* Filesystem tuning structure */
504
505 /* Lock Stuff */
506
507 struct lm_lockstruct sd_lockstruct;
508 struct gfs2_gl_hash_bucket sd_gl_hash[GFS2_GL_HASH_SIZE];
509 struct list_head sd_reclaim_list;
510 spinlock_t sd_reclaim_lock;
511 wait_queue_head_t sd_reclaim_wq;
512 atomic_t sd_reclaim_count;
513 struct gfs2_holder sd_live_gh;
514 struct gfs2_glock *sd_rename_gl;
515 struct gfs2_glock *sd_trans_gl;
516 struct semaphore sd_invalidate_inodes_mutex;
517
518 /* Inode Stuff */
519
520 struct gfs2_inode *sd_master_dir;
521 struct gfs2_inode *sd_jindex;
522 struct gfs2_inode *sd_inum_inode;
523 struct gfs2_inode *sd_statfs_inode;
524 struct gfs2_inode *sd_ir_inode;
525 struct gfs2_inode *sd_sc_inode;
526 struct gfs2_inode *sd_ut_inode;
527 struct gfs2_inode *sd_qc_inode;
528 struct gfs2_inode *sd_rindex;
529 struct gfs2_inode *sd_quota_inode;
530 struct gfs2_inode *sd_root_dir;
531
532 /* Inum stuff */
533
534 struct semaphore sd_inum_mutex;
535
536 /* StatFS stuff */
537
538 spinlock_t sd_statfs_spin;
539 struct semaphore sd_statfs_mutex;
540 struct gfs2_statfs_change sd_statfs_master;
541 struct gfs2_statfs_change sd_statfs_local;
542 unsigned long sd_statfs_sync_time;
543
544 /* Resource group stuff */
545
546 uint64_t sd_rindex_vn;
547 spinlock_t sd_rindex_spin;
548 struct semaphore sd_rindex_mutex;
549 struct list_head sd_rindex_list;
550 struct list_head sd_rindex_mru_list;
551 struct list_head sd_rindex_recent_list;
552 struct gfs2_rgrpd *sd_rindex_forward;
553 unsigned int sd_rgrps;
554
555 /* Journal index stuff */
556
557 struct list_head sd_jindex_list;
558 spinlock_t sd_jindex_spin;
559 struct semaphore sd_jindex_mutex;
560 unsigned int sd_journals;
561 unsigned long sd_jindex_refresh_time;
562
563 struct gfs2_jdesc *sd_jdesc;
564 struct gfs2_holder sd_journal_gh;
565 struct gfs2_holder sd_jinode_gh;
566
567 struct gfs2_holder sd_ir_gh;
568 struct gfs2_holder sd_sc_gh;
569 struct gfs2_holder sd_ut_gh;
570 struct gfs2_holder sd_qc_gh;
571
572 /* Daemon stuff */
573
574 struct task_struct *sd_scand_process;
575 struct task_struct *sd_recoverd_process;
576 struct task_struct *sd_logd_process;
577 struct task_struct *sd_quotad_process;
578 struct task_struct *sd_inoded_process;
579 struct task_struct *sd_glockd_process[GFS2_GLOCKD_MAX];
580 unsigned int sd_glockd_num;
581
582 /* Unlinked inode stuff */
583
584 struct list_head sd_unlinked_list;
585 atomic_t sd_unlinked_count;
586 spinlock_t sd_unlinked_spin;
587 struct semaphore sd_unlinked_mutex;
588
589 unsigned int sd_unlinked_slots;
590 unsigned int sd_unlinked_chunks;
591 unsigned char **sd_unlinked_bitmap;
592
593 /* Quota stuff */
594
595 struct list_head sd_quota_list;
596 atomic_t sd_quota_count;
597 spinlock_t sd_quota_spin;
598 struct semaphore sd_quota_mutex;
599
600 unsigned int sd_quota_slots;
601 unsigned int sd_quota_chunks;
602 unsigned char **sd_quota_bitmap;
603
604 uint64_t sd_quota_sync_gen;
605 unsigned long sd_quota_sync_time;
606
607 /* Log stuff */
608
609 spinlock_t sd_log_lock;
610 atomic_t sd_log_trans_count;
611 wait_queue_head_t sd_log_trans_wq;
612 atomic_t sd_log_flush_count;
613 wait_queue_head_t sd_log_flush_wq;
614
615 unsigned int sd_log_blks_reserved;
616 unsigned int sd_log_commited_buf;
617 unsigned int sd_log_commited_revoke;
618
619 unsigned int sd_log_num_gl;
620 unsigned int sd_log_num_buf;
621 unsigned int sd_log_num_revoke;
622 unsigned int sd_log_num_rg;
623 unsigned int sd_log_num_databuf;
624 struct list_head sd_log_le_gl;
625 struct list_head sd_log_le_buf;
626 struct list_head sd_log_le_revoke;
627 struct list_head sd_log_le_rg;
628 struct list_head sd_log_le_databuf;
629
630 unsigned int sd_log_blks_free;
631 struct list_head sd_log_blks_list;
632 wait_queue_head_t sd_log_blks_wait;
633
634 uint64_t sd_log_sequence;
635 unsigned int sd_log_head;
636 unsigned int sd_log_tail;
637 uint64_t sd_log_wraps;
638 int sd_log_idle;
639
640 unsigned long sd_log_flush_time;
641 struct semaphore sd_log_flush_lock;
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;
663 struct semaphore sd_freeze_lock;
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;
671 atomic_t sd_bufdata_count;
672
673 atomic_t sd_fh2dentry_misses;
674 atomic_t sd_reclaimed;
675 atomic_t sd_log_flush_incore;
676 atomic_t sd_log_flush_ondisk;
677
678 atomic_t sd_glock_nq_calls;
679 atomic_t sd_glock_dq_calls;
680 atomic_t sd_glock_prefetch_calls;
681 atomic_t sd_lm_lock_calls;
682 atomic_t sd_lm_unlock_calls;
683 atomic_t sd_lm_callbacks;
684
685 atomic_t sd_ops_address;
686 atomic_t sd_ops_dentry;
687 atomic_t sd_ops_export;
688 atomic_t sd_ops_file;
689 atomic_t sd_ops_inode;
690 atomic_t sd_ops_super;
691 atomic_t sd_ops_vm;
692
693 char sd_fsname[GFS2_FSNAME_LEN];
694 char sd_table_name[GFS2_FSNAME_LEN];
695 char sd_proto_name[GFS2_FSNAME_LEN];
696
697 /* Debugging crud */
698
699 unsigned long sd_last_warning;
700};
701
702#endif /* __INCORE_DOT_H__ */
703
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-27 14:53:23 -0500