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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 SW |
13 | #include <linux/fs.h> |
14 | ||
b3b94faa DT |
15 | #define DIO_WAIT 0x00000010 |
16 | #define DIO_METADATA 0x00000020 | |
b3b94faa DT |
17 | #define DIO_ALL 0x00000100 |
18 | ||
19 | struct gfs2_log_operations; | |
20 | struct gfs2_log_element; | |
b3b94faa DT |
21 | struct gfs2_holder; |
22 | struct gfs2_glock; | |
b3b94faa | 23 | struct gfs2_quota_data; |
b3b94faa DT |
24 | struct gfs2_trans; |
25 | struct gfs2_ail; | |
26 | struct gfs2_jdesc; | |
b3b94faa DT |
27 | struct gfs2_sbd; |
28 | ||
29 | typedef void (*gfs2_glop_bh_t) (struct gfs2_glock *gl, unsigned int ret); | |
30 | ||
bb8d8a6f SW |
31 | struct gfs2_log_header_host { |
32 | u64 lh_sequence; /* Sequence number of this transaction */ | |
33 | u32 lh_flags; /* GFS2_LOG_HEAD_... */ | |
34 | u32 lh_tail; /* Block number of log tail */ | |
35 | u32 lh_blkno; | |
36 | u32 lh_hash; | |
37 | }; | |
38 | ||
b3b94faa DT |
39 | /* |
40 | * Structure of operations that are associated with each | |
41 | * type of element in the log. | |
42 | */ | |
43 | ||
44 | struct gfs2_log_operations { | |
45 | void (*lo_add) (struct gfs2_sbd *sdp, struct gfs2_log_element *le); | |
46 | void (*lo_incore_commit) (struct gfs2_sbd *sdp, struct gfs2_trans *tr); | |
47 | void (*lo_before_commit) (struct gfs2_sbd *sdp); | |
48 | void (*lo_after_commit) (struct gfs2_sbd *sdp, struct gfs2_ail *ai); | |
49 | void (*lo_before_scan) (struct gfs2_jdesc *jd, | |
55167622 | 50 | struct gfs2_log_header_host *head, int pass); |
b3b94faa DT |
51 | int (*lo_scan_elements) (struct gfs2_jdesc *jd, unsigned int start, |
52 | struct gfs2_log_descriptor *ld, __be64 *ptr, | |
53 | int pass); | |
54 | void (*lo_after_scan) (struct gfs2_jdesc *jd, int error, int pass); | |
b09e593d | 55 | const char *lo_name; |
b3b94faa DT |
56 | }; |
57 | ||
58 | struct gfs2_log_element { | |
59 | struct list_head le_list; | |
b09e593d | 60 | const struct gfs2_log_operations *le_ops; |
b3b94faa DT |
61 | }; |
62 | ||
63 | struct gfs2_bitmap { | |
64 | struct buffer_head *bi_bh; | |
65 | char *bi_clone; | |
cd915493 SW |
66 | u32 bi_offset; |
67 | u32 bi_start; | |
68 | u32 bi_len; | |
b3b94faa DT |
69 | }; |
70 | ||
bb8d8a6f SW |
71 | struct gfs2_rgrp_host { |
72 | u32 rg_flags; | |
73 | u32 rg_free; | |
74 | u32 rg_dinodes; | |
75 | u64 rg_igeneration; | |
76 | }; | |
77 | ||
b3b94faa DT |
78 | struct gfs2_rgrpd { |
79 | struct list_head rd_list; /* Link with superblock */ | |
80 | struct list_head rd_list_mru; | |
81 | struct list_head rd_recent; /* Recently used rgrps */ | |
82 | struct gfs2_glock *rd_gl; /* Glock for this rgrp */ | |
bb8d8a6f SW |
83 | u64 rd_addr; /* grp block disk address */ |
84 | u64 rd_data0; /* first data location */ | |
85 | u32 rd_length; /* length of rgrp header in fs blocks */ | |
86 | u32 rd_data; /* num of data blocks in rgrp */ | |
87 | u32 rd_bitbytes; /* number of bytes in data bitmaps */ | |
68826664 | 88 | struct gfs2_rgrp_host rd_rg; |
cd915493 | 89 | u64 rd_rg_vn; |
b3b94faa DT |
90 | struct gfs2_bitmap *rd_bits; |
91 | unsigned int rd_bh_count; | |
f55ab26a | 92 | struct mutex rd_mutex; |
cd915493 | 93 | u32 rd_free_clone; |
b3b94faa | 94 | struct gfs2_log_element rd_le; |
cd915493 SW |
95 | u32 rd_last_alloc_data; |
96 | u32 rd_last_alloc_meta; | |
b3b94faa | 97 | struct gfs2_sbd *rd_sbd; |
c8cdf479 SW |
98 | unsigned long rd_flags; |
99 | #define GFS2_RDF_CHECK 0x0001 /* Need to check for unlinked inodes */ | |
b3b94faa DT |
100 | }; |
101 | ||
102 | enum gfs2_state_bits { | |
103 | BH_Pinned = BH_PrivateStart, | |
f42faf4f | 104 | BH_Escaped = BH_PrivateStart + 1, |
b3b94faa DT |
105 | }; |
106 | ||
107 | BUFFER_FNS(Pinned, pinned) | |
108 | TAS_BUFFER_FNS(Pinned, pinned) | |
f42faf4f SW |
109 | BUFFER_FNS(Escaped, escaped) |
110 | TAS_BUFFER_FNS(Escaped, escaped) | |
b3b94faa DT |
111 | |
112 | struct gfs2_bufdata { | |
113 | struct buffer_head *bd_bh; | |
114 | struct gfs2_glock *bd_gl; | |
115 | ||
116 | struct list_head bd_list_tr; | |
117 | struct gfs2_log_element bd_le; | |
118 | ||
119 | struct gfs2_ail *bd_ail; | |
120 | struct list_head bd_ail_st_list; | |
121 | struct list_head bd_ail_gl_list; | |
122 | }; | |
123 | ||
b3b94faa | 124 | struct gfs2_glock_operations { |
b5d32bea | 125 | void (*go_xmote_th) (struct gfs2_glock *gl); |
1a14d3a6 SW |
126 | void (*go_xmote_bh) (struct gfs2_glock *gl); |
127 | void (*go_drop_th) (struct gfs2_glock *gl); | |
1a14d3a6 SW |
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); | |
8fb4b536 | 132 | const int go_type; |
b3b94faa DT |
133 | }; |
134 | ||
135 | enum { | |
136 | /* Actions */ | |
137 | HIF_MUTEX = 0, | |
138 | HIF_PROMOTE = 1, | |
b3b94faa DT |
139 | |
140 | /* States */ | |
b3b94faa DT |
141 | HIF_HOLDER = 6, |
142 | HIF_FIRST = 7, | |
b3b94faa | 143 | HIF_ABORTED = 9, |
fee852e3 | 144 | HIF_WAIT = 10, |
b3b94faa DT |
145 | }; |
146 | ||
147 | struct gfs2_holder { | |
148 | struct list_head gh_list; | |
149 | ||
150 | struct gfs2_glock *gh_gl; | |
04b933f2 | 151 | pid_t gh_owner_pid; |
b3b94faa | 152 | unsigned int gh_state; |
fe1bdedc | 153 | unsigned gh_flags; |
b3b94faa DT |
154 | |
155 | int gh_error; | |
695165df | 156 | unsigned long gh_iflags; |
d0dc80db | 157 | unsigned long gh_ip; |
b3b94faa DT |
158 | }; |
159 | ||
160 | enum { | |
b3b94faa DT |
161 | GLF_LOCK = 1, |
162 | GLF_STICKY = 2, | |
3b8249f6 | 163 | GLF_DEMOTE = 3, |
b3b94faa | 164 | GLF_DIRTY = 5, |
b3b94faa DT |
165 | }; |
166 | ||
167 | struct gfs2_glock { | |
b6397893 | 168 | struct hlist_node gl_list; |
b3b94faa DT |
169 | unsigned long gl_flags; /* GLF_... */ |
170 | struct lm_lockname gl_name; | |
16feb9fe | 171 | atomic_t gl_ref; |
b3b94faa DT |
172 | |
173 | spinlock_t gl_spin; | |
174 | ||
175 | unsigned int gl_state; | |
37b2fa6a | 176 | unsigned int gl_hash; |
3b8249f6 SW |
177 | unsigned int gl_demote_state; /* state requested by remote node */ |
178 | unsigned long gl_demote_time; /* time of first demote request */ | |
04b933f2 | 179 | pid_t gl_owner_pid; |
320dd101 | 180 | unsigned long gl_ip; |
b3b94faa DT |
181 | struct list_head gl_holders; |
182 | struct list_head gl_waiters1; /* HIF_MUTEX */ | |
b3b94faa DT |
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 | ||
b3b94faa DT |
198 | struct list_head gl_reclaim; |
199 | ||
200 | struct gfs2_sbd *gl_sbd; | |
201 | ||
202 | struct inode *gl_aspace; | |
203 | struct gfs2_log_element gl_le; | |
204 | struct list_head gl_ail_list; | |
205 | atomic_t gl_ail_count; | |
206 | }; | |
207 | ||
208 | struct gfs2_alloc { | |
209 | /* Quota stuff */ | |
210 | ||
e9fc2aa0 SW |
211 | struct gfs2_quota_data *al_qd[2*MAXQUOTAS]; |
212 | struct gfs2_holder al_qd_ghs[2*MAXQUOTAS]; | |
6b61b072 | 213 | unsigned int al_qd_num; |
b3b94faa | 214 | |
6b61b072 SW |
215 | u32 al_requested; /* Filled in by caller of gfs2_inplace_reserve() */ |
216 | u32 al_alloced; /* Filled in by gfs2_alloc_*() */ | |
b3b94faa DT |
217 | |
218 | /* Filled in by gfs2_inplace_reserve() */ | |
219 | ||
b3b94faa | 220 | unsigned int al_line; |
6b61b072 | 221 | char *al_file; |
b3b94faa DT |
222 | struct gfs2_holder al_ri_gh; |
223 | struct gfs2_holder al_rgd_gh; | |
224 | struct gfs2_rgrpd *al_rgd; | |
225 | ||
b3b94faa DT |
226 | }; |
227 | ||
228 | enum { | |
bfded27b | 229 | GIF_INVALID = 0, |
b3b94faa DT |
230 | GIF_QD_LOCKED = 1, |
231 | GIF_PAGED = 2, | |
232 | GIF_SW_PAGED = 3, | |
233 | }; | |
234 | ||
bb8d8a6f SW |
235 | struct gfs2_dinode_host { |
236 | u64 di_size; /* number of bytes in file */ | |
237 | u64 di_blocks; /* number of blocks in file */ | |
238 | u64 di_goal_meta; /* rgrp to alloc from next */ | |
239 | u64 di_goal_data; /* data block goal */ | |
240 | u64 di_generation; /* generation number for NFS */ | |
241 | u32 di_flags; /* GFS2_DIF_... */ | |
242 | u16 di_height; /* height of metadata */ | |
243 | /* These only apply to directories */ | |
244 | u16 di_depth; /* Number of bits in the table */ | |
245 | u32 di_entries; /* The number of entries in the directory */ | |
246 | u64 di_eattr; /* extended attribute block number */ | |
247 | }; | |
248 | ||
b3b94faa | 249 | struct gfs2_inode { |
320dd101 | 250 | struct inode i_inode; |
dbb7cae2 SW |
251 | u64 i_no_addr; |
252 | u64 i_no_formal_ino; | |
b3b94faa DT |
253 | unsigned long i_flags; /* GIF_... */ |
254 | ||
5c6edb57 | 255 | struct gfs2_dinode_host i_di; /* To be replaced by ref to block */ |
b3b94faa | 256 | |
feaa7bba | 257 | struct gfs2_glock *i_gl; /* Move into i_gh? */ |
b3b94faa | 258 | struct gfs2_holder i_iopen_gh; |
f42faf4f | 259 | struct gfs2_holder i_gh; /* for prepare/commit_write only */ |
b3b94faa | 260 | struct gfs2_alloc i_alloc; |
cd915493 | 261 | u64 i_last_rg_alloc; |
b3b94faa DT |
262 | |
263 | spinlock_t i_spin; | |
264 | struct rw_semaphore i_rw_mutex; | |
b3b94faa DT |
265 | unsigned long i_last_pfault; |
266 | ||
267 | struct buffer_head *i_cache[GFS2_MAX_META_HEIGHT]; | |
268 | }; | |
269 | ||
feaa7bba SW |
270 | /* |
271 | * Since i_inode is the first element of struct gfs2_inode, | |
272 | * this is effectively a cast. | |
273 | */ | |
320dd101 SW |
274 | static inline struct gfs2_inode *GFS2_I(struct inode *inode) |
275 | { | |
276 | return container_of(inode, struct gfs2_inode, i_inode); | |
277 | } | |
278 | ||
feaa7bba SW |
279 | /* To be removed? */ |
280 | static inline struct gfs2_sbd *GFS2_SB(struct inode *inode) | |
281 | { | |
282 | return inode->i_sb->s_fs_info; | |
283 | } | |
284 | ||
b3b94faa DT |
285 | enum { |
286 | GFF_DID_DIRECT_ALLOC = 0, | |
59a1cc6b | 287 | GFF_EXLOCK = 1, |
b3b94faa DT |
288 | }; |
289 | ||
290 | struct gfs2_file { | |
291 | unsigned long f_flags; /* GFF_... */ | |
f55ab26a | 292 | struct mutex f_fl_mutex; |
b3b94faa | 293 | struct gfs2_holder f_fl_gh; |
b3b94faa DT |
294 | }; |
295 | ||
296 | struct gfs2_revoke { | |
297 | struct gfs2_log_element rv_le; | |
cd915493 | 298 | u64 rv_blkno; |
b3b94faa DT |
299 | }; |
300 | ||
301 | struct gfs2_revoke_replay { | |
302 | struct list_head rr_list; | |
cd915493 | 303 | u64 rr_blkno; |
b3b94faa DT |
304 | unsigned int rr_where; |
305 | }; | |
306 | ||
b3b94faa DT |
307 | enum { |
308 | QDF_USER = 0, | |
309 | QDF_CHANGE = 1, | |
310 | QDF_LOCKED = 2, | |
311 | }; | |
312 | ||
313 | struct gfs2_quota_data { | |
314 | struct list_head qd_list; | |
315 | unsigned int qd_count; | |
316 | ||
cd915493 | 317 | u32 qd_id; |
b3b94faa DT |
318 | unsigned long qd_flags; /* QDF_... */ |
319 | ||
cd915493 SW |
320 | s64 qd_change; |
321 | s64 qd_change_sync; | |
b3b94faa DT |
322 | |
323 | unsigned int qd_slot; | |
324 | unsigned int qd_slot_count; | |
325 | ||
326 | struct buffer_head *qd_bh; | |
327 | struct gfs2_quota_change *qd_bh_qc; | |
328 | unsigned int qd_bh_count; | |
329 | ||
330 | struct gfs2_glock *qd_gl; | |
331 | struct gfs2_quota_lvb qd_qb; | |
332 | ||
cd915493 | 333 | u64 qd_sync_gen; |
b3b94faa DT |
334 | unsigned long qd_last_warn; |
335 | unsigned long qd_last_touched; | |
336 | }; | |
337 | ||
338 | struct gfs2_log_buf { | |
339 | struct list_head lb_list; | |
340 | struct buffer_head *lb_bh; | |
341 | struct buffer_head *lb_real; | |
342 | }; | |
343 | ||
344 | struct gfs2_trans { | |
d0dc80db | 345 | unsigned long tr_ip; |
b3b94faa DT |
346 | |
347 | unsigned int tr_blocks; | |
348 | unsigned int tr_revokes; | |
349 | unsigned int tr_reserved; | |
350 | ||
e317ffcb | 351 | struct gfs2_holder tr_t_gh; |
b3b94faa DT |
352 | |
353 | int tr_touched; | |
354 | ||
355 | unsigned int tr_num_buf; | |
356 | unsigned int tr_num_buf_new; | |
2332c443 | 357 | unsigned int tr_num_databuf_new; |
b3b94faa | 358 | unsigned int tr_num_buf_rm; |
2332c443 | 359 | unsigned int tr_num_databuf_rm; |
b3b94faa DT |
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 | ||
cd915493 | 373 | u64 ai_sync_gen; |
b3b94faa DT |
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 | ||
bb8d8a6f SW |
386 | struct gfs2_statfs_change_host { |
387 | s64 sc_total; | |
388 | s64 sc_free; | |
389 | s64 sc_dinodes; | |
390 | }; | |
391 | ||
b3b94faa DT |
392 | #define GFS2_GLOCKD_DEFAULT 1 |
393 | #define GFS2_GLOCKD_MAX 16 | |
394 | ||
395 | #define GFS2_QUOTA_DEFAULT GFS2_QUOTA_OFF | |
396 | #define GFS2_QUOTA_OFF 0 | |
397 | #define GFS2_QUOTA_ACCOUNT 1 | |
398 | #define GFS2_QUOTA_ON 2 | |
399 | ||
400 | #define GFS2_DATA_DEFAULT GFS2_DATA_ORDERED | |
401 | #define GFS2_DATA_WRITEBACK 1 | |
402 | #define GFS2_DATA_ORDERED 2 | |
403 | ||
404 | struct gfs2_args { | |
405 | char ar_lockproto[GFS2_LOCKNAME_LEN]; /* Name of the Lock Protocol */ | |
406 | char ar_locktable[GFS2_LOCKNAME_LEN]; /* Name of the Lock Table */ | |
407 | char ar_hostdata[GFS2_LOCKNAME_LEN]; /* Host specific data */ | |
408 | int ar_spectator; /* Don't get a journal because we're always RO */ | |
409 | int ar_ignore_local_fs; /* Don't optimize even if local_fs is 1 */ | |
410 | int ar_localflocks; /* Let the VFS do flock|fcntl locks for us */ | |
411 | int ar_localcaching; /* Local-style caching (dangerous on multihost) */ | |
412 | int ar_debug; /* Oops on errors instead of trying to be graceful */ | |
413 | int ar_upgrade; /* Upgrade ondisk/multihost format */ | |
414 | unsigned int ar_num_glockd; /* Number of glockd threads */ | |
415 | int ar_posix_acl; /* Enable posix acls */ | |
416 | int ar_quota; /* off/account/on */ | |
417 | int ar_suiddir; /* suiddir support */ | |
418 | int ar_data; /* ordered/writeback */ | |
419 | }; | |
420 | ||
421 | struct gfs2_tune { | |
422 | spinlock_t gt_spin; | |
423 | ||
424 | unsigned int gt_ilimit; | |
425 | unsigned int gt_ilimit_tries; | |
426 | unsigned int gt_ilimit_min; | |
427 | unsigned int gt_demote_secs; /* Cache retention for unheld glock */ | |
428 | unsigned int gt_incore_log_blocks; | |
429 | unsigned int gt_log_flush_secs; | |
430 | unsigned int gt_jindex_refresh_secs; /* Check for new journal index */ | |
431 | ||
b3b94faa DT |
432 | unsigned int gt_recoverd_secs; |
433 | unsigned int gt_logd_secs; | |
434 | unsigned int gt_quotad_secs; | |
b3b94faa DT |
435 | |
436 | unsigned int gt_quota_simul_sync; /* Max quotavals to sync at once */ | |
437 | unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */ | |
438 | unsigned int gt_quota_scale_num; /* Numerator */ | |
439 | unsigned int gt_quota_scale_den; /* Denominator */ | |
440 | unsigned int gt_quota_cache_secs; | |
441 | unsigned int gt_quota_quantum; /* Secs between syncs to quota file */ | |
442 | unsigned int gt_atime_quantum; /* Min secs between atime updates */ | |
443 | unsigned int gt_new_files_jdata; | |
444 | unsigned int gt_new_files_directio; | |
b3b94faa DT |
445 | unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */ |
446 | unsigned int gt_lockdump_size; | |
447 | unsigned int gt_stall_secs; /* Detects trouble! */ | |
448 | unsigned int gt_complain_secs; | |
449 | unsigned int gt_reclaim_limit; /* Max num of glocks in reclaim list */ | |
b3b94faa DT |
450 | unsigned int gt_statfs_quantum; |
451 | unsigned int gt_statfs_slow; | |
452 | }; | |
453 | ||
b3b94faa DT |
454 | enum { |
455 | SDF_JOURNAL_CHECKED = 0, | |
456 | SDF_JOURNAL_LIVE = 1, | |
457 | SDF_SHUTDOWN = 2, | |
458 | SDF_NOATIME = 3, | |
459 | }; | |
460 | ||
b3b94faa DT |
461 | #define GFS2_FSNAME_LEN 256 |
462 | ||
bb8d8a6f SW |
463 | struct gfs2_inum_host { |
464 | u64 no_formal_ino; | |
465 | u64 no_addr; | |
466 | }; | |
467 | ||
468 | struct gfs2_sb_host { | |
469 | u32 sb_magic; | |
470 | u32 sb_type; | |
471 | u32 sb_format; | |
472 | ||
473 | u32 sb_fs_format; | |
474 | u32 sb_multihost_format; | |
475 | u32 sb_bsize; | |
476 | u32 sb_bsize_shift; | |
477 | ||
478 | struct gfs2_inum_host sb_master_dir; | |
479 | struct gfs2_inum_host sb_root_dir; | |
480 | ||
481 | char sb_lockproto[GFS2_LOCKNAME_LEN]; | |
482 | char sb_locktable[GFS2_LOCKNAME_LEN]; | |
483 | }; | |
484 | ||
b3b94faa DT |
485 | struct gfs2_sbd { |
486 | struct super_block *sd_vfs; | |
86384605 | 487 | struct super_block *sd_vfs_meta; |
b3b94faa DT |
488 | struct kobject sd_kobj; |
489 | unsigned long sd_flags; /* SDF_... */ | |
f50dfaf7 | 490 | struct gfs2_sb_host sd_sb; |
b3b94faa DT |
491 | |
492 | /* Constants computed on mount */ | |
493 | ||
cd915493 SW |
494 | u32 sd_fsb2bb; |
495 | u32 sd_fsb2bb_shift; | |
496 | u32 sd_diptrs; /* Number of pointers in a dinode */ | |
497 | u32 sd_inptrs; /* Number of pointers in a indirect block */ | |
498 | u32 sd_jbsize; /* Size of a journaled data block */ | |
499 | u32 sd_hash_bsize; /* sizeof(exhash block) */ | |
500 | u32 sd_hash_bsize_shift; | |
501 | u32 sd_hash_ptrs; /* Number of pointers in a hash block */ | |
502 | u32 sd_qc_per_block; | |
503 | u32 sd_max_dirres; /* Max blocks needed to add a directory entry */ | |
504 | u32 sd_max_height; /* Max height of a file's metadata tree */ | |
505 | u64 sd_heightsize[GFS2_MAX_META_HEIGHT]; | |
506 | u32 sd_max_jheight; /* Max height of journaled file's meta tree */ | |
507 | u64 sd_jheightsize[GFS2_MAX_META_HEIGHT]; | |
b3b94faa DT |
508 | |
509 | struct gfs2_args sd_args; /* Mount arguments */ | |
510 | struct gfs2_tune sd_tune; /* Filesystem tuning structure */ | |
511 | ||
512 | /* Lock Stuff */ | |
513 | ||
514 | struct lm_lockstruct sd_lockstruct; | |
b3b94faa DT |
515 | struct list_head sd_reclaim_list; |
516 | spinlock_t sd_reclaim_lock; | |
517 | wait_queue_head_t sd_reclaim_wq; | |
518 | atomic_t sd_reclaim_count; | |
519 | struct gfs2_holder sd_live_gh; | |
520 | struct gfs2_glock *sd_rename_gl; | |
521 | struct gfs2_glock *sd_trans_gl; | |
b3b94faa DT |
522 | |
523 | /* Inode Stuff */ | |
524 | ||
f42faf4f SW |
525 | struct inode *sd_master_dir; |
526 | struct inode *sd_jindex; | |
527 | struct inode *sd_inum_inode; | |
528 | struct inode *sd_statfs_inode; | |
529 | struct inode *sd_ir_inode; | |
530 | struct inode *sd_sc_inode; | |
f42faf4f SW |
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; |
bd209cc0 AV |
543 | struct gfs2_statfs_change_host sd_statfs_master; |
544 | struct gfs2_statfs_change_host sd_statfs_local; | |
b3b94faa DT |
545 | unsigned long sd_statfs_sync_time; |
546 | ||
547 | /* Resource group stuff */ | |
548 | ||
cd915493 | 549 | u64 sd_rindex_vn; |
b3b94faa | 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; | |
b3b94faa DT |
572 | struct gfs2_holder sd_qc_gh; |
573 | ||
574 | /* Daemon stuff */ | |
575 | ||
b3b94faa DT |
576 | struct task_struct *sd_recoverd_process; |
577 | struct task_struct *sd_logd_process; | |
578 | struct task_struct *sd_quotad_process; | |
b3b94faa DT |
579 | struct task_struct *sd_glockd_process[GFS2_GLOCKD_MAX]; |
580 | unsigned int sd_glockd_num; | |
581 | ||
b3b94faa DT |
582 | /* Quota stuff */ |
583 | ||
584 | struct list_head sd_quota_list; | |
585 | atomic_t sd_quota_count; | |
586 | spinlock_t sd_quota_spin; | |
f55ab26a | 587 | struct mutex sd_quota_mutex; |
b3b94faa DT |
588 | |
589 | unsigned int sd_quota_slots; | |
590 | unsigned int sd_quota_chunks; | |
591 | unsigned char **sd_quota_bitmap; | |
592 | ||
cd915493 | 593 | u64 sd_quota_sync_gen; |
b3b94faa DT |
594 | unsigned long sd_quota_sync_time; |
595 | ||
596 | /* Log stuff */ | |
597 | ||
598 | spinlock_t sd_log_lock; | |
b3b94faa DT |
599 | |
600 | unsigned int sd_log_blks_reserved; | |
601 | unsigned int sd_log_commited_buf; | |
2332c443 | 602 | unsigned int sd_log_commited_databuf; |
b3b94faa DT |
603 | unsigned int sd_log_commited_revoke; |
604 | ||
605 | unsigned int sd_log_num_gl; | |
606 | unsigned int sd_log_num_buf; | |
607 | unsigned int sd_log_num_revoke; | |
608 | unsigned int sd_log_num_rg; | |
609 | unsigned int sd_log_num_databuf; | |
f42faf4f SW |
610 | unsigned int sd_log_num_jdata; |
611 | ||
b3b94faa DT |
612 | struct list_head sd_log_le_gl; |
613 | struct list_head sd_log_le_buf; | |
614 | struct list_head sd_log_le_revoke; | |
615 | struct list_head sd_log_le_rg; | |
616 | struct list_head sd_log_le_databuf; | |
617 | ||
618 | unsigned int sd_log_blks_free; | |
71b86f56 | 619 | struct mutex sd_log_reserve_mutex; |
b3b94faa | 620 | |
cd915493 | 621 | u64 sd_log_sequence; |
b3b94faa DT |
622 | unsigned int sd_log_head; |
623 | unsigned int sd_log_tail; | |
b3b94faa DT |
624 | int sd_log_idle; |
625 | ||
626 | unsigned long sd_log_flush_time; | |
484adff8 | 627 | struct rw_semaphore sd_log_flush_lock; |
b3b94faa DT |
628 | struct list_head sd_log_flush_list; |
629 | ||
630 | unsigned int sd_log_flush_head; | |
cd915493 | 631 | u64 sd_log_flush_wrapped; |
b3b94faa DT |
632 | |
633 | struct list_head sd_ail1_list; | |
634 | struct list_head sd_ail2_list; | |
cd915493 | 635 | u64 sd_ail_sync_gen; |
b3b94faa DT |
636 | |
637 | /* Replay stuff */ | |
638 | ||
639 | struct list_head sd_revoke_list; | |
640 | unsigned int sd_replay_tail; | |
641 | ||
642 | unsigned int sd_found_blocks; | |
643 | unsigned int sd_found_revokes; | |
644 | unsigned int sd_replayed_blocks; | |
645 | ||
646 | /* For quiescing the filesystem */ | |
647 | ||
648 | struct gfs2_holder sd_freeze_gh; | |
f55ab26a | 649 | struct mutex sd_freeze_lock; |
b3b94faa DT |
650 | unsigned int sd_freeze_count; |
651 | ||
652 | /* Counters */ | |
653 | ||
654 | atomic_t sd_glock_count; | |
655 | atomic_t sd_glock_held_count; | |
656 | atomic_t sd_inode_count; | |
b3b94faa | 657 | atomic_t sd_reclaimed; |
b3b94faa DT |
658 | |
659 | char sd_fsname[GFS2_FSNAME_LEN]; | |
660 | char sd_table_name[GFS2_FSNAME_LEN]; | |
661 | char sd_proto_name[GFS2_FSNAME_LEN]; | |
662 | ||
663 | /* Debugging crud */ | |
664 | ||
665 | unsigned long sd_last_warning; | |
86384605 | 666 | struct vfsmount *sd_gfs2mnt; |
5f882096 RP |
667 | struct dentry *debugfs_dir; /* debugfs directory */ |
668 | struct dentry *debugfs_dentry_glocks; /* for debugfs */ | |
b3b94faa DT |
669 | }; |
670 | ||
671 | #endif /* __INCORE_DOT_H__ */ | |
672 |