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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 | ||
f2f7ba52 | 13 | #include <linux/fs.h> |
c4f68a13 | 14 | #include <linux/workqueue.h> |
f2f7ba52 | 15 | |
b3b94faa DT |
16 | #define DIO_WAIT 0x00000010 |
17 | #define DIO_METADATA 0x00000020 | |
b3b94faa DT |
18 | #define DIO_ALL 0x00000100 |
19 | ||
20 | struct gfs2_log_operations; | |
21 | struct gfs2_log_element; | |
b3b94faa DT |
22 | struct gfs2_holder; |
23 | struct gfs2_glock; | |
b3b94faa | 24 | struct gfs2_quota_data; |
b3b94faa DT |
25 | struct gfs2_trans; |
26 | struct gfs2_ail; | |
27 | struct gfs2_jdesc; | |
b3b94faa DT |
28 | struct gfs2_sbd; |
29 | ||
30 | typedef void (*gfs2_glop_bh_t) (struct gfs2_glock *gl, unsigned int ret); | |
31 | ||
bb8d8a6f SW |
32 | struct gfs2_log_header_host { |
33 | u64 lh_sequence; /* Sequence number of this transaction */ | |
34 | u32 lh_flags; /* GFS2_LOG_HEAD_... */ | |
35 | u32 lh_tail; /* Block number of log tail */ | |
36 | u32 lh_blkno; | |
37 | u32 lh_hash; | |
38 | }; | |
39 | ||
b3b94faa DT |
40 | /* |
41 | * Structure of operations that are associated with each | |
42 | * type of element in the log. | |
43 | */ | |
44 | ||
45 | struct gfs2_log_operations { | |
46 | void (*lo_add) (struct gfs2_sbd *sdp, struct gfs2_log_element *le); | |
47 | void (*lo_incore_commit) (struct gfs2_sbd *sdp, struct gfs2_trans *tr); | |
48 | void (*lo_before_commit) (struct gfs2_sbd *sdp); | |
49 | void (*lo_after_commit) (struct gfs2_sbd *sdp, struct gfs2_ail *ai); | |
50 | void (*lo_before_scan) (struct gfs2_jdesc *jd, | |
55167622 | 51 | struct gfs2_log_header_host *head, int pass); |
b3b94faa DT |
52 | int (*lo_scan_elements) (struct gfs2_jdesc *jd, unsigned int start, |
53 | struct gfs2_log_descriptor *ld, __be64 *ptr, | |
54 | int pass); | |
55 | void (*lo_after_scan) (struct gfs2_jdesc *jd, int error, int pass); | |
b09e593d | 56 | const char *lo_name; |
b3b94faa DT |
57 | }; |
58 | ||
59 | struct gfs2_log_element { | |
60 | struct list_head le_list; | |
b09e593d | 61 | const struct gfs2_log_operations *le_ops; |
b3b94faa DT |
62 | }; |
63 | ||
64 | struct gfs2_bitmap { | |
65 | struct buffer_head *bi_bh; | |
66 | char *bi_clone; | |
cd915493 SW |
67 | u32 bi_offset; |
68 | u32 bi_start; | |
69 | u32 bi_len; | |
b3b94faa DT |
70 | }; |
71 | ||
bb8d8a6f SW |
72 | struct gfs2_rgrp_host { |
73 | u32 rg_flags; | |
74 | u32 rg_free; | |
75 | u32 rg_dinodes; | |
76 | u64 rg_igeneration; | |
77 | }; | |
78 | ||
b3b94faa DT |
79 | struct gfs2_rgrpd { |
80 | struct list_head rd_list; /* Link with superblock */ | |
81 | struct list_head rd_list_mru; | |
82 | struct list_head rd_recent; /* Recently used rgrps */ | |
83 | struct gfs2_glock *rd_gl; /* Glock for this rgrp */ | |
bb8d8a6f SW |
84 | u64 rd_addr; /* grp block disk address */ |
85 | u64 rd_data0; /* first data location */ | |
86 | u32 rd_length; /* length of rgrp header in fs blocks */ | |
87 | u32 rd_data; /* num of data blocks in rgrp */ | |
88 | u32 rd_bitbytes; /* number of bytes in data bitmaps */ | |
68826664 | 89 | struct gfs2_rgrp_host rd_rg; |
cd915493 | 90 | u64 rd_rg_vn; |
b3b94faa DT |
91 | struct gfs2_bitmap *rd_bits; |
92 | unsigned int rd_bh_count; | |
f55ab26a | 93 | struct mutex rd_mutex; |
cd915493 | 94 | u32 rd_free_clone; |
b3b94faa | 95 | struct gfs2_log_element rd_le; |
cd915493 SW |
96 | u32 rd_last_alloc_data; |
97 | u32 rd_last_alloc_meta; | |
b3b94faa | 98 | struct gfs2_sbd *rd_sbd; |
c8cdf479 SW |
99 | unsigned long rd_flags; |
100 | #define GFS2_RDF_CHECK 0x0001 /* Need to check for unlinked inodes */ | |
b3b94faa DT |
101 | }; |
102 | ||
103 | enum gfs2_state_bits { | |
104 | BH_Pinned = BH_PrivateStart, | |
f42faf4f | 105 | BH_Escaped = BH_PrivateStart + 1, |
b3b94faa DT |
106 | }; |
107 | ||
108 | BUFFER_FNS(Pinned, pinned) | |
109 | TAS_BUFFER_FNS(Pinned, pinned) | |
f42faf4f SW |
110 | BUFFER_FNS(Escaped, escaped) |
111 | TAS_BUFFER_FNS(Escaped, escaped) | |
b3b94faa DT |
112 | |
113 | struct gfs2_bufdata { | |
114 | struct buffer_head *bd_bh; | |
115 | struct gfs2_glock *bd_gl; | |
116 | ||
82e86087 SW |
117 | union { |
118 | struct list_head list_tr; | |
119 | u64 blkno; | |
120 | } u; | |
121 | #define bd_list_tr u.list_tr | |
122 | #define bd_blkno u.blkno | |
123 | ||
b3b94faa DT |
124 | struct gfs2_log_element bd_le; |
125 | ||
126 | struct gfs2_ail *bd_ail; | |
127 | struct list_head bd_ail_st_list; | |
128 | struct list_head bd_ail_gl_list; | |
129 | }; | |
130 | ||
b3b94faa | 131 | struct gfs2_glock_operations { |
b5d32bea | 132 | void (*go_xmote_th) (struct gfs2_glock *gl); |
1a14d3a6 SW |
133 | void (*go_xmote_bh) (struct gfs2_glock *gl); |
134 | void (*go_drop_th) (struct gfs2_glock *gl); | |
1a14d3a6 SW |
135 | void (*go_inval) (struct gfs2_glock *gl, int flags); |
136 | int (*go_demote_ok) (struct gfs2_glock *gl); | |
137 | int (*go_lock) (struct gfs2_holder *gh); | |
138 | void (*go_unlock) (struct gfs2_holder *gh); | |
8fb4b536 | 139 | const int go_type; |
c4f68a13 | 140 | const unsigned long go_min_hold_time; |
b3b94faa DT |
141 | }; |
142 | ||
143 | enum { | |
144 | /* Actions */ | |
145 | HIF_MUTEX = 0, | |
146 | HIF_PROMOTE = 1, | |
b3b94faa DT |
147 | |
148 | /* States */ | |
b3b94faa DT |
149 | HIF_HOLDER = 6, |
150 | HIF_FIRST = 7, | |
b3b94faa | 151 | HIF_ABORTED = 9, |
fee852e3 | 152 | HIF_WAIT = 10, |
b3b94faa DT |
153 | }; |
154 | ||
155 | struct gfs2_holder { | |
156 | struct list_head gh_list; | |
157 | ||
158 | struct gfs2_glock *gh_gl; | |
04b933f2 | 159 | pid_t gh_owner_pid; |
b3b94faa | 160 | unsigned int gh_state; |
fe1bdedc | 161 | unsigned gh_flags; |
b3b94faa DT |
162 | |
163 | int gh_error; | |
695165df | 164 | unsigned long gh_iflags; |
d0dc80db | 165 | unsigned long gh_ip; |
b3b94faa DT |
166 | }; |
167 | ||
168 | enum { | |
b3b94faa DT |
169 | GLF_LOCK = 1, |
170 | GLF_STICKY = 2, | |
3b8249f6 | 171 | GLF_DEMOTE = 3, |
c4f68a13 | 172 | GLF_PENDING_DEMOTE = 4, |
b3b94faa | 173 | GLF_DIRTY = 5, |
cc7e79b1 | 174 | GLF_DEMOTE_IN_PROGRESS = 6, |
b3b94faa DT |
175 | }; |
176 | ||
177 | struct gfs2_glock { | |
b6397893 | 178 | struct hlist_node gl_list; |
b3b94faa DT |
179 | unsigned long gl_flags; /* GLF_... */ |
180 | struct lm_lockname gl_name; | |
16feb9fe | 181 | atomic_t gl_ref; |
b3b94faa DT |
182 | |
183 | spinlock_t gl_spin; | |
184 | ||
185 | unsigned int gl_state; | |
37b2fa6a | 186 | unsigned int gl_hash; |
3b8249f6 SW |
187 | unsigned int gl_demote_state; /* state requested by remote node */ |
188 | unsigned long gl_demote_time; /* time of first demote request */ | |
04b933f2 | 189 | pid_t gl_owner_pid; |
320dd101 | 190 | unsigned long gl_ip; |
b3b94faa DT |
191 | struct list_head gl_holders; |
192 | struct list_head gl_waiters1; /* HIF_MUTEX */ | |
b3b94faa | 193 | struct list_head gl_waiters3; /* HIF_PROMOTE */ |
cc7e79b1 | 194 | int gl_waiters2; /* GIF_DEMOTE */ |
b3b94faa | 195 | |
8fb4b536 | 196 | const struct gfs2_glock_operations *gl_ops; |
b3b94faa DT |
197 | |
198 | struct gfs2_holder *gl_req_gh; | |
199 | gfs2_glop_bh_t gl_req_bh; | |
200 | ||
9b47c11d | 201 | void *gl_lock; |
b3b94faa DT |
202 | char *gl_lvb; |
203 | atomic_t gl_lvb_count; | |
204 | ||
cd915493 | 205 | u64 gl_vn; |
b3b94faa | 206 | unsigned long gl_stamp; |
c4f68a13 | 207 | unsigned long gl_tchange; |
b3b94faa DT |
208 | void *gl_object; |
209 | ||
b3b94faa DT |
210 | struct list_head gl_reclaim; |
211 | ||
212 | struct gfs2_sbd *gl_sbd; | |
213 | ||
214 | struct inode *gl_aspace; | |
215 | struct gfs2_log_element gl_le; | |
216 | struct list_head gl_ail_list; | |
217 | atomic_t gl_ail_count; | |
c4f68a13 | 218 | struct delayed_work gl_work; |
b3b94faa DT |
219 | }; |
220 | ||
221 | struct gfs2_alloc { | |
222 | /* Quota stuff */ | |
223 | ||
e9fc2aa0 SW |
224 | struct gfs2_quota_data *al_qd[2*MAXQUOTAS]; |
225 | struct gfs2_holder al_qd_ghs[2*MAXQUOTAS]; | |
6b61b072 | 226 | unsigned int al_qd_num; |
b3b94faa | 227 | |
6b61b072 SW |
228 | u32 al_requested; /* Filled in by caller of gfs2_inplace_reserve() */ |
229 | u32 al_alloced; /* Filled in by gfs2_alloc_*() */ | |
b3b94faa DT |
230 | |
231 | /* Filled in by gfs2_inplace_reserve() */ | |
232 | ||
b3b94faa | 233 | unsigned int al_line; |
6b61b072 | 234 | char *al_file; |
b3b94faa DT |
235 | struct gfs2_holder al_ri_gh; |
236 | struct gfs2_holder al_rgd_gh; | |
237 | struct gfs2_rgrpd *al_rgd; | |
238 | ||
b3b94faa DT |
239 | }; |
240 | ||
241 | enum { | |
bfded27b | 242 | GIF_INVALID = 0, |
b3b94faa | 243 | GIF_QD_LOCKED = 1, |
b3b94faa DT |
244 | GIF_SW_PAGED = 3, |
245 | }; | |
246 | ||
bb8d8a6f SW |
247 | struct gfs2_dinode_host { |
248 | u64 di_size; /* number of bytes in file */ | |
249 | u64 di_blocks; /* number of blocks in file */ | |
250 | u64 di_goal_meta; /* rgrp to alloc from next */ | |
251 | u64 di_goal_data; /* data block goal */ | |
252 | u64 di_generation; /* generation number for NFS */ | |
253 | u32 di_flags; /* GFS2_DIF_... */ | |
254 | u16 di_height; /* height of metadata */ | |
255 | /* These only apply to directories */ | |
256 | u16 di_depth; /* Number of bits in the table */ | |
257 | u32 di_entries; /* The number of entries in the directory */ | |
258 | u64 di_eattr; /* extended attribute block number */ | |
259 | }; | |
260 | ||
b3b94faa | 261 | struct gfs2_inode { |
320dd101 | 262 | struct inode i_inode; |
dbb7cae2 SW |
263 | u64 i_no_addr; |
264 | u64 i_no_formal_ino; | |
b3b94faa DT |
265 | unsigned long i_flags; /* GIF_... */ |
266 | ||
5c6edb57 | 267 | struct gfs2_dinode_host i_di; /* To be replaced by ref to block */ |
b3b94faa | 268 | |
feaa7bba | 269 | struct gfs2_glock *i_gl; /* Move into i_gh? */ |
b3b94faa | 270 | struct gfs2_holder i_iopen_gh; |
f42faf4f | 271 | struct gfs2_holder i_gh; /* for prepare/commit_write only */ |
b3b94faa | 272 | struct gfs2_alloc i_alloc; |
cd915493 | 273 | u64 i_last_rg_alloc; |
b3b94faa DT |
274 | |
275 | spinlock_t i_spin; | |
276 | struct rw_semaphore i_rw_mutex; | |
b3b94faa DT |
277 | }; |
278 | ||
feaa7bba SW |
279 | /* |
280 | * Since i_inode is the first element of struct gfs2_inode, | |
281 | * this is effectively a cast. | |
282 | */ | |
320dd101 SW |
283 | static inline struct gfs2_inode *GFS2_I(struct inode *inode) |
284 | { | |
285 | return container_of(inode, struct gfs2_inode, i_inode); | |
286 | } | |
287 | ||
feaa7bba SW |
288 | static inline struct gfs2_sbd *GFS2_SB(struct inode *inode) |
289 | { | |
290 | return inode->i_sb->s_fs_info; | |
291 | } | |
292 | ||
b3b94faa | 293 | struct gfs2_file { |
f55ab26a | 294 | struct mutex f_fl_mutex; |
b3b94faa | 295 | struct gfs2_holder f_fl_gh; |
b3b94faa DT |
296 | }; |
297 | ||
b3b94faa DT |
298 | struct gfs2_revoke_replay { |
299 | struct list_head rr_list; | |
cd915493 | 300 | u64 rr_blkno; |
b3b94faa DT |
301 | unsigned int rr_where; |
302 | }; | |
303 | ||
b3b94faa DT |
304 | enum { |
305 | QDF_USER = 0, | |
306 | QDF_CHANGE = 1, | |
307 | QDF_LOCKED = 2, | |
308 | }; | |
309 | ||
310 | struct gfs2_quota_data { | |
311 | struct list_head qd_list; | |
312 | unsigned int qd_count; | |
313 | ||
cd915493 | 314 | u32 qd_id; |
b3b94faa DT |
315 | unsigned long qd_flags; /* QDF_... */ |
316 | ||
cd915493 SW |
317 | s64 qd_change; |
318 | s64 qd_change_sync; | |
b3b94faa DT |
319 | |
320 | unsigned int qd_slot; | |
321 | unsigned int qd_slot_count; | |
322 | ||
323 | struct buffer_head *qd_bh; | |
324 | struct gfs2_quota_change *qd_bh_qc; | |
325 | unsigned int qd_bh_count; | |
326 | ||
327 | struct gfs2_glock *qd_gl; | |
328 | struct gfs2_quota_lvb qd_qb; | |
329 | ||
cd915493 | 330 | u64 qd_sync_gen; |
b3b94faa DT |
331 | unsigned long qd_last_warn; |
332 | unsigned long qd_last_touched; | |
333 | }; | |
334 | ||
b3b94faa | 335 | struct gfs2_trans { |
d0dc80db | 336 | unsigned long tr_ip; |
b3b94faa DT |
337 | |
338 | unsigned int tr_blocks; | |
339 | unsigned int tr_revokes; | |
340 | unsigned int tr_reserved; | |
341 | ||
e317ffcb | 342 | struct gfs2_holder tr_t_gh; |
b3b94faa DT |
343 | |
344 | int tr_touched; | |
345 | ||
346 | unsigned int tr_num_buf; | |
347 | unsigned int tr_num_buf_new; | |
2332c443 | 348 | unsigned int tr_num_databuf_new; |
b3b94faa | 349 | unsigned int tr_num_buf_rm; |
2332c443 | 350 | unsigned int tr_num_databuf_rm; |
b3b94faa DT |
351 | struct list_head tr_list_buf; |
352 | ||
353 | unsigned int tr_num_revoke; | |
354 | unsigned int tr_num_revoke_rm; | |
355 | }; | |
356 | ||
357 | struct gfs2_ail { | |
358 | struct list_head ai_list; | |
359 | ||
360 | unsigned int ai_first; | |
361 | struct list_head ai_ail1_list; | |
362 | struct list_head ai_ail2_list; | |
363 | ||
cd915493 | 364 | u64 ai_sync_gen; |
b3b94faa DT |
365 | }; |
366 | ||
367 | struct gfs2_jdesc { | |
368 | struct list_head jd_list; | |
369 | ||
7359a19c | 370 | struct inode *jd_inode; |
b3b94faa DT |
371 | unsigned int jd_jid; |
372 | int jd_dirty; | |
373 | ||
374 | unsigned int jd_blocks; | |
375 | }; | |
376 | ||
bb8d8a6f SW |
377 | struct gfs2_statfs_change_host { |
378 | s64 sc_total; | |
379 | s64 sc_free; | |
380 | s64 sc_dinodes; | |
381 | }; | |
382 | ||
b3b94faa DT |
383 | #define GFS2_GLOCKD_DEFAULT 1 |
384 | #define GFS2_GLOCKD_MAX 16 | |
385 | ||
386 | #define GFS2_QUOTA_DEFAULT GFS2_QUOTA_OFF | |
387 | #define GFS2_QUOTA_OFF 0 | |
388 | #define GFS2_QUOTA_ACCOUNT 1 | |
389 | #define GFS2_QUOTA_ON 2 | |
390 | ||
391 | #define GFS2_DATA_DEFAULT GFS2_DATA_ORDERED | |
392 | #define GFS2_DATA_WRITEBACK 1 | |
393 | #define GFS2_DATA_ORDERED 2 | |
394 | ||
395 | struct gfs2_args { | |
396 | char ar_lockproto[GFS2_LOCKNAME_LEN]; /* Name of the Lock Protocol */ | |
397 | char ar_locktable[GFS2_LOCKNAME_LEN]; /* Name of the Lock Table */ | |
398 | char ar_hostdata[GFS2_LOCKNAME_LEN]; /* Host specific data */ | |
399 | int ar_spectator; /* Don't get a journal because we're always RO */ | |
400 | int ar_ignore_local_fs; /* Don't optimize even if local_fs is 1 */ | |
401 | int ar_localflocks; /* Let the VFS do flock|fcntl locks for us */ | |
402 | int ar_localcaching; /* Local-style caching (dangerous on multihost) */ | |
403 | int ar_debug; /* Oops on errors instead of trying to be graceful */ | |
404 | int ar_upgrade; /* Upgrade ondisk/multihost format */ | |
405 | unsigned int ar_num_glockd; /* Number of glockd threads */ | |
406 | int ar_posix_acl; /* Enable posix acls */ | |
407 | int ar_quota; /* off/account/on */ | |
408 | int ar_suiddir; /* suiddir support */ | |
409 | int ar_data; /* ordered/writeback */ | |
410 | }; | |
411 | ||
412 | struct gfs2_tune { | |
413 | spinlock_t gt_spin; | |
414 | ||
415 | unsigned int gt_ilimit; | |
416 | unsigned int gt_ilimit_tries; | |
417 | unsigned int gt_ilimit_min; | |
418 | unsigned int gt_demote_secs; /* Cache retention for unheld glock */ | |
419 | unsigned int gt_incore_log_blocks; | |
420 | unsigned int gt_log_flush_secs; | |
421 | unsigned int gt_jindex_refresh_secs; /* Check for new journal index */ | |
422 | ||
b3b94faa DT |
423 | unsigned int gt_recoverd_secs; |
424 | unsigned int gt_logd_secs; | |
425 | unsigned int gt_quotad_secs; | |
b3b94faa DT |
426 | |
427 | unsigned int gt_quota_simul_sync; /* Max quotavals to sync at once */ | |
428 | unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */ | |
429 | unsigned int gt_quota_scale_num; /* Numerator */ | |
430 | unsigned int gt_quota_scale_den; /* Denominator */ | |
431 | unsigned int gt_quota_cache_secs; | |
432 | unsigned int gt_quota_quantum; /* Secs between syncs to quota file */ | |
433 | unsigned int gt_atime_quantum; /* Min secs between atime updates */ | |
434 | unsigned int gt_new_files_jdata; | |
435 | unsigned int gt_new_files_directio; | |
b3b94faa DT |
436 | unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */ |
437 | unsigned int gt_lockdump_size; | |
438 | unsigned int gt_stall_secs; /* Detects trouble! */ | |
439 | unsigned int gt_complain_secs; | |
440 | unsigned int gt_reclaim_limit; /* Max num of glocks in reclaim list */ | |
b3b94faa DT |
441 | unsigned int gt_statfs_quantum; |
442 | unsigned int gt_statfs_slow; | |
443 | }; | |
444 | ||
b3b94faa DT |
445 | enum { |
446 | SDF_JOURNAL_CHECKED = 0, | |
447 | SDF_JOURNAL_LIVE = 1, | |
448 | SDF_SHUTDOWN = 2, | |
449 | SDF_NOATIME = 3, | |
450 | }; | |
451 | ||
b3b94faa DT |
452 | #define GFS2_FSNAME_LEN 256 |
453 | ||
bb8d8a6f SW |
454 | struct gfs2_inum_host { |
455 | u64 no_formal_ino; | |
456 | u64 no_addr; | |
457 | }; | |
458 | ||
459 | struct gfs2_sb_host { | |
460 | u32 sb_magic; | |
461 | u32 sb_type; | |
462 | u32 sb_format; | |
463 | ||
464 | u32 sb_fs_format; | |
465 | u32 sb_multihost_format; | |
466 | u32 sb_bsize; | |
467 | u32 sb_bsize_shift; | |
468 | ||
469 | struct gfs2_inum_host sb_master_dir; | |
470 | struct gfs2_inum_host sb_root_dir; | |
471 | ||
472 | char sb_lockproto[GFS2_LOCKNAME_LEN]; | |
473 | char sb_locktable[GFS2_LOCKNAME_LEN]; | |
474 | }; | |
475 | ||
b3b94faa DT |
476 | struct gfs2_sbd { |
477 | struct super_block *sd_vfs; | |
86384605 | 478 | struct super_block *sd_vfs_meta; |
b3b94faa DT |
479 | struct kobject sd_kobj; |
480 | unsigned long sd_flags; /* SDF_... */ | |
f50dfaf7 | 481 | struct gfs2_sb_host sd_sb; |
b3b94faa DT |
482 | |
483 | /* Constants computed on mount */ | |
484 | ||
cd915493 SW |
485 | u32 sd_fsb2bb; |
486 | u32 sd_fsb2bb_shift; | |
487 | u32 sd_diptrs; /* Number of pointers in a dinode */ | |
488 | u32 sd_inptrs; /* Number of pointers in a indirect block */ | |
489 | u32 sd_jbsize; /* Size of a journaled data block */ | |
490 | u32 sd_hash_bsize; /* sizeof(exhash block) */ | |
491 | u32 sd_hash_bsize_shift; | |
492 | u32 sd_hash_ptrs; /* Number of pointers in a hash block */ | |
493 | u32 sd_qc_per_block; | |
494 | u32 sd_max_dirres; /* Max blocks needed to add a directory entry */ | |
495 | u32 sd_max_height; /* Max height of a file's metadata tree */ | |
496 | u64 sd_heightsize[GFS2_MAX_META_HEIGHT]; | |
497 | u32 sd_max_jheight; /* Max height of journaled file's meta tree */ | |
498 | u64 sd_jheightsize[GFS2_MAX_META_HEIGHT]; | |
b3b94faa DT |
499 | |
500 | struct gfs2_args sd_args; /* Mount arguments */ | |
501 | struct gfs2_tune sd_tune; /* Filesystem tuning structure */ | |
502 | ||
503 | /* Lock Stuff */ | |
504 | ||
505 | struct lm_lockstruct sd_lockstruct; | |
b3b94faa DT |
506 | struct list_head sd_reclaim_list; |
507 | spinlock_t sd_reclaim_lock; | |
508 | wait_queue_head_t sd_reclaim_wq; | |
509 | atomic_t sd_reclaim_count; | |
510 | struct gfs2_holder sd_live_gh; | |
511 | struct gfs2_glock *sd_rename_gl; | |
512 | struct gfs2_glock *sd_trans_gl; | |
b3b94faa DT |
513 | |
514 | /* Inode Stuff */ | |
515 | ||
f42faf4f SW |
516 | struct inode *sd_master_dir; |
517 | struct inode *sd_jindex; | |
518 | struct inode *sd_inum_inode; | |
519 | struct inode *sd_statfs_inode; | |
520 | struct inode *sd_ir_inode; | |
521 | struct inode *sd_sc_inode; | |
f42faf4f SW |
522 | struct inode *sd_qc_inode; |
523 | struct inode *sd_rindex; | |
524 | struct inode *sd_quota_inode; | |
b3b94faa DT |
525 | |
526 | /* Inum stuff */ | |
527 | ||
f55ab26a | 528 | struct mutex sd_inum_mutex; |
b3b94faa DT |
529 | |
530 | /* StatFS stuff */ | |
531 | ||
532 | spinlock_t sd_statfs_spin; | |
f55ab26a | 533 | struct mutex sd_statfs_mutex; |
bd209cc0 AV |
534 | struct gfs2_statfs_change_host sd_statfs_master; |
535 | struct gfs2_statfs_change_host sd_statfs_local; | |
b3b94faa DT |
536 | unsigned long sd_statfs_sync_time; |
537 | ||
538 | /* Resource group stuff */ | |
539 | ||
cd915493 | 540 | u64 sd_rindex_vn; |
b3b94faa | 541 | spinlock_t sd_rindex_spin; |
f55ab26a | 542 | struct mutex sd_rindex_mutex; |
b3b94faa DT |
543 | struct list_head sd_rindex_list; |
544 | struct list_head sd_rindex_mru_list; | |
545 | struct list_head sd_rindex_recent_list; | |
546 | struct gfs2_rgrpd *sd_rindex_forward; | |
547 | unsigned int sd_rgrps; | |
548 | ||
549 | /* Journal index stuff */ | |
550 | ||
551 | struct list_head sd_jindex_list; | |
552 | spinlock_t sd_jindex_spin; | |
f55ab26a | 553 | struct mutex sd_jindex_mutex; |
b3b94faa DT |
554 | unsigned int sd_journals; |
555 | unsigned long sd_jindex_refresh_time; | |
556 | ||
557 | struct gfs2_jdesc *sd_jdesc; | |
558 | struct gfs2_holder sd_journal_gh; | |
559 | struct gfs2_holder sd_jinode_gh; | |
560 | ||
561 | struct gfs2_holder sd_ir_gh; | |
562 | struct gfs2_holder sd_sc_gh; | |
b3b94faa DT |
563 | struct gfs2_holder sd_qc_gh; |
564 | ||
565 | /* Daemon stuff */ | |
566 | ||
b3b94faa DT |
567 | struct task_struct *sd_recoverd_process; |
568 | struct task_struct *sd_logd_process; | |
569 | struct task_struct *sd_quotad_process; | |
b3b94faa DT |
570 | struct task_struct *sd_glockd_process[GFS2_GLOCKD_MAX]; |
571 | unsigned int sd_glockd_num; | |
572 | ||
b3b94faa DT |
573 | /* Quota stuff */ |
574 | ||
575 | struct list_head sd_quota_list; | |
576 | atomic_t sd_quota_count; | |
577 | spinlock_t sd_quota_spin; | |
f55ab26a | 578 | struct mutex sd_quota_mutex; |
b3b94faa DT |
579 | |
580 | unsigned int sd_quota_slots; | |
581 | unsigned int sd_quota_chunks; | |
582 | unsigned char **sd_quota_bitmap; | |
583 | ||
cd915493 | 584 | u64 sd_quota_sync_gen; |
b3b94faa DT |
585 | unsigned long sd_quota_sync_time; |
586 | ||
587 | /* Log stuff */ | |
588 | ||
589 | spinlock_t sd_log_lock; | |
b3b94faa DT |
590 | |
591 | unsigned int sd_log_blks_reserved; | |
592 | unsigned int sd_log_commited_buf; | |
2332c443 | 593 | unsigned int sd_log_commited_databuf; |
b3b94faa DT |
594 | unsigned int sd_log_commited_revoke; |
595 | ||
596 | unsigned int sd_log_num_gl; | |
597 | unsigned int sd_log_num_buf; | |
598 | unsigned int sd_log_num_revoke; | |
599 | unsigned int sd_log_num_rg; | |
600 | unsigned int sd_log_num_databuf; | |
f42faf4f | 601 | |
b3b94faa DT |
602 | struct list_head sd_log_le_gl; |
603 | struct list_head sd_log_le_buf; | |
604 | struct list_head sd_log_le_revoke; | |
605 | struct list_head sd_log_le_rg; | |
606 | struct list_head sd_log_le_databuf; | |
d7b616e2 | 607 | struct list_head sd_log_le_ordered; |
b3b94faa DT |
608 | |
609 | unsigned int sd_log_blks_free; | |
71b86f56 | 610 | struct mutex sd_log_reserve_mutex; |
b3b94faa | 611 | |
cd915493 | 612 | u64 sd_log_sequence; |
b3b94faa DT |
613 | unsigned int sd_log_head; |
614 | unsigned int sd_log_tail; | |
b3b94faa DT |
615 | int sd_log_idle; |
616 | ||
617 | unsigned long sd_log_flush_time; | |
484adff8 | 618 | struct rw_semaphore sd_log_flush_lock; |
16615be1 SW |
619 | atomic_t sd_log_in_flight; |
620 | wait_queue_head_t sd_log_flush_wait; | |
b3b94faa DT |
621 | |
622 | unsigned int sd_log_flush_head; | |
cd915493 | 623 | u64 sd_log_flush_wrapped; |
b3b94faa DT |
624 | |
625 | struct list_head sd_ail1_list; | |
626 | struct list_head sd_ail2_list; | |
cd915493 | 627 | u64 sd_ail_sync_gen; |
b3b94faa DT |
628 | |
629 | /* Replay stuff */ | |
630 | ||
631 | struct list_head sd_revoke_list; | |
632 | unsigned int sd_replay_tail; | |
633 | ||
634 | unsigned int sd_found_blocks; | |
635 | unsigned int sd_found_revokes; | |
636 | unsigned int sd_replayed_blocks; | |
637 | ||
638 | /* For quiescing the filesystem */ | |
639 | ||
640 | struct gfs2_holder sd_freeze_gh; | |
f55ab26a | 641 | struct mutex sd_freeze_lock; |
b3b94faa DT |
642 | unsigned int sd_freeze_count; |
643 | ||
644 | /* Counters */ | |
645 | ||
646 | atomic_t sd_glock_count; | |
647 | atomic_t sd_glock_held_count; | |
648 | atomic_t sd_inode_count; | |
b3b94faa | 649 | atomic_t sd_reclaimed; |
b3b94faa DT |
650 | |
651 | char sd_fsname[GFS2_FSNAME_LEN]; | |
652 | char sd_table_name[GFS2_FSNAME_LEN]; | |
653 | char sd_proto_name[GFS2_FSNAME_LEN]; | |
654 | ||
655 | /* Debugging crud */ | |
656 | ||
657 | unsigned long sd_last_warning; | |
86384605 | 658 | struct vfsmount *sd_gfs2mnt; |
5f882096 RP |
659 | struct dentry *debugfs_dir; /* debugfs directory */ |
660 | struct dentry *debugfs_dentry_glocks; /* for debugfs */ | |
b3b94faa DT |
661 | }; |
662 | ||
663 | #endif /* __INCORE_DOT_H__ */ | |
664 |