Commit | Line | Data |
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b3b94faa DT |
1 | /* |
2 | * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved. | |
da6dd40d | 3 | * Copyright (C) 2004-2007 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 | 133 | void (*go_xmote_bh) (struct gfs2_glock *gl); |
1a14d3a6 SW |
134 | void (*go_inval) (struct gfs2_glock *gl, int flags); |
135 | int (*go_demote_ok) (struct gfs2_glock *gl); | |
136 | int (*go_lock) (struct gfs2_holder *gh); | |
137 | void (*go_unlock) (struct gfs2_holder *gh); | |
8fb4b536 | 138 | const int go_type; |
c4f68a13 | 139 | const unsigned long go_min_hold_time; |
b3b94faa DT |
140 | }; |
141 | ||
142 | enum { | |
b3b94faa | 143 | /* States */ |
b3b94faa DT |
144 | HIF_HOLDER = 6, |
145 | HIF_FIRST = 7, | |
b3b94faa | 146 | HIF_ABORTED = 9, |
fee852e3 | 147 | HIF_WAIT = 10, |
b3b94faa DT |
148 | }; |
149 | ||
150 | struct gfs2_holder { | |
151 | struct list_head gh_list; | |
152 | ||
153 | struct gfs2_glock *gh_gl; | |
04b933f2 | 154 | pid_t gh_owner_pid; |
b3b94faa | 155 | unsigned int gh_state; |
fe1bdedc | 156 | unsigned gh_flags; |
b3b94faa DT |
157 | |
158 | int gh_error; | |
695165df | 159 | unsigned long gh_iflags; |
d0dc80db | 160 | unsigned long gh_ip; |
b3b94faa DT |
161 | }; |
162 | ||
163 | enum { | |
b3b94faa DT |
164 | GLF_LOCK = 1, |
165 | GLF_STICKY = 2, | |
3b8249f6 | 166 | GLF_DEMOTE = 3, |
c4f68a13 | 167 | GLF_PENDING_DEMOTE = 4, |
b3b94faa | 168 | GLF_DIRTY = 5, |
cc7e79b1 | 169 | GLF_DEMOTE_IN_PROGRESS = 6, |
2bcd610d | 170 | GLF_LFLUSH = 7, |
b3b94faa DT |
171 | }; |
172 | ||
173 | struct gfs2_glock { | |
b6397893 | 174 | struct hlist_node gl_list; |
b3b94faa DT |
175 | unsigned long gl_flags; /* GLF_... */ |
176 | struct lm_lockname gl_name; | |
16feb9fe | 177 | atomic_t gl_ref; |
b3b94faa DT |
178 | |
179 | spinlock_t gl_spin; | |
180 | ||
181 | unsigned int gl_state; | |
37b2fa6a | 182 | unsigned int gl_hash; |
3b8249f6 SW |
183 | unsigned int gl_demote_state; /* state requested by remote node */ |
184 | unsigned long gl_demote_time; /* time of first demote request */ | |
04b933f2 | 185 | pid_t gl_owner_pid; |
320dd101 | 186 | unsigned long gl_ip; |
b3b94faa DT |
187 | struct list_head gl_holders; |
188 | struct list_head gl_waiters1; /* HIF_MUTEX */ | |
b3b94faa | 189 | struct list_head gl_waiters3; /* HIF_PROMOTE */ |
cc7e79b1 | 190 | int gl_waiters2; /* GIF_DEMOTE */ |
b3b94faa | 191 | |
8fb4b536 | 192 | const struct gfs2_glock_operations *gl_ops; |
b3b94faa DT |
193 | |
194 | struct gfs2_holder *gl_req_gh; | |
195 | gfs2_glop_bh_t gl_req_bh; | |
196 | ||
9b47c11d | 197 | void *gl_lock; |
b3b94faa DT |
198 | char *gl_lvb; |
199 | atomic_t gl_lvb_count; | |
200 | ||
cd915493 | 201 | u64 gl_vn; |
b3b94faa | 202 | unsigned long gl_stamp; |
c4f68a13 | 203 | unsigned long gl_tchange; |
b3b94faa DT |
204 | void *gl_object; |
205 | ||
b3b94faa DT |
206 | struct list_head gl_reclaim; |
207 | ||
208 | struct gfs2_sbd *gl_sbd; | |
209 | ||
210 | struct inode *gl_aspace; | |
b3b94faa DT |
211 | struct list_head gl_ail_list; |
212 | atomic_t gl_ail_count; | |
c4f68a13 | 213 | struct delayed_work gl_work; |
b3b94faa DT |
214 | }; |
215 | ||
216 | struct gfs2_alloc { | |
217 | /* Quota stuff */ | |
218 | ||
e9fc2aa0 SW |
219 | struct gfs2_quota_data *al_qd[2*MAXQUOTAS]; |
220 | struct gfs2_holder al_qd_ghs[2*MAXQUOTAS]; | |
6b61b072 | 221 | unsigned int al_qd_num; |
b3b94faa | 222 | |
6b61b072 SW |
223 | u32 al_requested; /* Filled in by caller of gfs2_inplace_reserve() */ |
224 | u32 al_alloced; /* Filled in by gfs2_alloc_*() */ | |
b3b94faa DT |
225 | |
226 | /* Filled in by gfs2_inplace_reserve() */ | |
227 | ||
b3b94faa | 228 | unsigned int al_line; |
6b61b072 | 229 | char *al_file; |
b3b94faa DT |
230 | struct gfs2_holder al_ri_gh; |
231 | struct gfs2_holder al_rgd_gh; | |
232 | struct gfs2_rgrpd *al_rgd; | |
233 | ||
b3b94faa DT |
234 | }; |
235 | ||
236 | enum { | |
bfded27b | 237 | GIF_INVALID = 0, |
b3b94faa | 238 | GIF_QD_LOCKED = 1, |
b3b94faa DT |
239 | GIF_SW_PAGED = 3, |
240 | }; | |
241 | ||
bb8d8a6f SW |
242 | struct gfs2_dinode_host { |
243 | u64 di_size; /* number of bytes in file */ | |
244 | u64 di_blocks; /* number of blocks in file */ | |
245 | u64 di_goal_meta; /* rgrp to alloc from next */ | |
246 | u64 di_goal_data; /* data block goal */ | |
247 | u64 di_generation; /* generation number for NFS */ | |
248 | u32 di_flags; /* GFS2_DIF_... */ | |
249 | u16 di_height; /* height of metadata */ | |
250 | /* These only apply to directories */ | |
251 | u16 di_depth; /* Number of bits in the table */ | |
252 | u32 di_entries; /* The number of entries in the directory */ | |
253 | u64 di_eattr; /* extended attribute block number */ | |
254 | }; | |
255 | ||
b3b94faa | 256 | struct gfs2_inode { |
320dd101 | 257 | struct inode i_inode; |
dbb7cae2 SW |
258 | u64 i_no_addr; |
259 | u64 i_no_formal_ino; | |
b3b94faa DT |
260 | unsigned long i_flags; /* GIF_... */ |
261 | ||
5c6edb57 | 262 | struct gfs2_dinode_host i_di; /* To be replaced by ref to block */ |
b3b94faa | 263 | |
feaa7bba | 264 | struct gfs2_glock *i_gl; /* Move into i_gh? */ |
b3b94faa | 265 | struct gfs2_holder i_iopen_gh; |
f42faf4f | 266 | struct gfs2_holder i_gh; /* for prepare/commit_write only */ |
6dbd8224 | 267 | struct gfs2_alloc *i_alloc; |
cd915493 | 268 | u64 i_last_rg_alloc; |
b3b94faa | 269 | |
b3b94faa | 270 | struct rw_semaphore i_rw_mutex; |
b3b94faa DT |
271 | }; |
272 | ||
feaa7bba SW |
273 | /* |
274 | * Since i_inode is the first element of struct gfs2_inode, | |
275 | * this is effectively a cast. | |
276 | */ | |
320dd101 SW |
277 | static inline struct gfs2_inode *GFS2_I(struct inode *inode) |
278 | { | |
279 | return container_of(inode, struct gfs2_inode, i_inode); | |
280 | } | |
281 | ||
bf36a713 | 282 | static inline struct gfs2_sbd *GFS2_SB(const struct inode *inode) |
feaa7bba SW |
283 | { |
284 | return inode->i_sb->s_fs_info; | |
285 | } | |
286 | ||
b3b94faa | 287 | struct gfs2_file { |
f55ab26a | 288 | struct mutex f_fl_mutex; |
b3b94faa | 289 | struct gfs2_holder f_fl_gh; |
b3b94faa DT |
290 | }; |
291 | ||
b3b94faa DT |
292 | struct gfs2_revoke_replay { |
293 | struct list_head rr_list; | |
cd915493 | 294 | u64 rr_blkno; |
b3b94faa DT |
295 | unsigned int rr_where; |
296 | }; | |
297 | ||
b3b94faa DT |
298 | enum { |
299 | QDF_USER = 0, | |
300 | QDF_CHANGE = 1, | |
301 | QDF_LOCKED = 2, | |
302 | }; | |
303 | ||
304 | struct gfs2_quota_data { | |
305 | struct list_head qd_list; | |
306 | unsigned int qd_count; | |
307 | ||
cd915493 | 308 | u32 qd_id; |
b3b94faa DT |
309 | unsigned long qd_flags; /* QDF_... */ |
310 | ||
cd915493 SW |
311 | s64 qd_change; |
312 | s64 qd_change_sync; | |
b3b94faa DT |
313 | |
314 | unsigned int qd_slot; | |
315 | unsigned int qd_slot_count; | |
316 | ||
317 | struct buffer_head *qd_bh; | |
318 | struct gfs2_quota_change *qd_bh_qc; | |
319 | unsigned int qd_bh_count; | |
320 | ||
321 | struct gfs2_glock *qd_gl; | |
322 | struct gfs2_quota_lvb qd_qb; | |
323 | ||
cd915493 | 324 | u64 qd_sync_gen; |
b3b94faa DT |
325 | unsigned long qd_last_warn; |
326 | unsigned long qd_last_touched; | |
327 | }; | |
328 | ||
b3b94faa | 329 | struct gfs2_trans { |
d0dc80db | 330 | unsigned long tr_ip; |
b3b94faa DT |
331 | |
332 | unsigned int tr_blocks; | |
333 | unsigned int tr_revokes; | |
334 | unsigned int tr_reserved; | |
335 | ||
e317ffcb | 336 | struct gfs2_holder tr_t_gh; |
b3b94faa DT |
337 | |
338 | int tr_touched; | |
339 | ||
340 | unsigned int tr_num_buf; | |
341 | unsigned int tr_num_buf_new; | |
2332c443 | 342 | unsigned int tr_num_databuf_new; |
b3b94faa | 343 | unsigned int tr_num_buf_rm; |
2332c443 | 344 | unsigned int tr_num_databuf_rm; |
b3b94faa DT |
345 | struct list_head tr_list_buf; |
346 | ||
347 | unsigned int tr_num_revoke; | |
348 | unsigned int tr_num_revoke_rm; | |
349 | }; | |
350 | ||
351 | struct gfs2_ail { | |
352 | struct list_head ai_list; | |
353 | ||
354 | unsigned int ai_first; | |
355 | struct list_head ai_ail1_list; | |
356 | struct list_head ai_ail2_list; | |
357 | ||
cd915493 | 358 | u64 ai_sync_gen; |
b3b94faa DT |
359 | }; |
360 | ||
da6dd40d BP |
361 | struct gfs2_journal_extent { |
362 | struct list_head extent_list; | |
363 | ||
364 | unsigned int lblock; /* First logical block */ | |
365 | u64 dblock; /* First disk block */ | |
366 | u64 blocks; | |
367 | }; | |
368 | ||
b3b94faa DT |
369 | struct gfs2_jdesc { |
370 | struct list_head jd_list; | |
da6dd40d | 371 | struct list_head extent_list; |
b3b94faa | 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 | ||
bb8d8a6f SW |
380 | struct gfs2_statfs_change_host { |
381 | s64 sc_total; | |
382 | s64 sc_free; | |
383 | s64 sc_dinodes; | |
384 | }; | |
385 | ||
b3b94faa DT |
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 | ||
b3b94faa DT |
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; | |
b3b94faa | 421 | |
b3b94faa DT |
422 | unsigned int gt_recoverd_secs; |
423 | unsigned int gt_logd_secs; | |
424 | unsigned int gt_quotad_secs; | |
b3b94faa DT |
425 | |
426 | unsigned int gt_quota_simul_sync; /* Max quotavals to sync at once */ | |
427 | unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */ | |
428 | unsigned int gt_quota_scale_num; /* Numerator */ | |
429 | unsigned int gt_quota_scale_den; /* Denominator */ | |
430 | unsigned int gt_quota_cache_secs; | |
431 | unsigned int gt_quota_quantum; /* Secs between syncs to quota file */ | |
432 | unsigned int gt_atime_quantum; /* Min secs between atime updates */ | |
433 | unsigned int gt_new_files_jdata; | |
434 | unsigned int gt_new_files_directio; | |
b3b94faa | 435 | unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */ |
b3b94faa DT |
436 | unsigned int gt_stall_secs; /* Detects trouble! */ |
437 | unsigned int gt_complain_secs; | |
b3b94faa DT |
438 | unsigned int gt_statfs_quantum; |
439 | unsigned int gt_statfs_slow; | |
440 | }; | |
441 | ||
b3b94faa DT |
442 | enum { |
443 | SDF_JOURNAL_CHECKED = 0, | |
444 | SDF_JOURNAL_LIVE = 1, | |
445 | SDF_SHUTDOWN = 2, | |
446 | SDF_NOATIME = 3, | |
447 | }; | |
448 | ||
b3b94faa DT |
449 | #define GFS2_FSNAME_LEN 256 |
450 | ||
bb8d8a6f SW |
451 | struct gfs2_inum_host { |
452 | u64 no_formal_ino; | |
453 | u64 no_addr; | |
454 | }; | |
455 | ||
456 | struct gfs2_sb_host { | |
457 | u32 sb_magic; | |
458 | u32 sb_type; | |
459 | u32 sb_format; | |
460 | ||
461 | u32 sb_fs_format; | |
462 | u32 sb_multihost_format; | |
463 | u32 sb_bsize; | |
464 | u32 sb_bsize_shift; | |
465 | ||
466 | struct gfs2_inum_host sb_master_dir; | |
467 | struct gfs2_inum_host sb_root_dir; | |
468 | ||
469 | char sb_lockproto[GFS2_LOCKNAME_LEN]; | |
470 | char sb_locktable[GFS2_LOCKNAME_LEN]; | |
471 | }; | |
472 | ||
b3b94faa DT |
473 | struct gfs2_sbd { |
474 | struct super_block *sd_vfs; | |
86384605 | 475 | struct super_block *sd_vfs_meta; |
b3b94faa DT |
476 | struct kobject sd_kobj; |
477 | unsigned long sd_flags; /* SDF_... */ | |
f50dfaf7 | 478 | struct gfs2_sb_host sd_sb; |
b3b94faa DT |
479 | |
480 | /* Constants computed on mount */ | |
481 | ||
cd915493 SW |
482 | u32 sd_fsb2bb; |
483 | u32 sd_fsb2bb_shift; | |
484 | u32 sd_diptrs; /* Number of pointers in a dinode */ | |
485 | u32 sd_inptrs; /* Number of pointers in a indirect block */ | |
486 | u32 sd_jbsize; /* Size of a journaled data block */ | |
487 | u32 sd_hash_bsize; /* sizeof(exhash block) */ | |
488 | u32 sd_hash_bsize_shift; | |
489 | u32 sd_hash_ptrs; /* Number of pointers in a hash block */ | |
490 | u32 sd_qc_per_block; | |
491 | u32 sd_max_dirres; /* Max blocks needed to add a directory entry */ | |
492 | u32 sd_max_height; /* Max height of a file's metadata tree */ | |
493 | u64 sd_heightsize[GFS2_MAX_META_HEIGHT]; | |
494 | u32 sd_max_jheight; /* Max height of journaled file's meta tree */ | |
495 | u64 sd_jheightsize[GFS2_MAX_META_HEIGHT]; | |
b3b94faa DT |
496 | |
497 | struct gfs2_args sd_args; /* Mount arguments */ | |
498 | struct gfs2_tune sd_tune; /* Filesystem tuning structure */ | |
499 | ||
500 | /* Lock Stuff */ | |
501 | ||
502 | struct lm_lockstruct sd_lockstruct; | |
b3b94faa DT |
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; | |
bd209cc0 AV |
530 | struct gfs2_statfs_change_host sd_statfs_master; |
531 | struct gfs2_statfs_change_host sd_statfs_local; | |
b3b94faa DT |
532 | unsigned long sd_statfs_sync_time; |
533 | ||
534 | /* Resource group stuff */ | |
535 | ||
cd915493 | 536 | u64 sd_rindex_vn; |
b3b94faa | 537 | spinlock_t sd_rindex_spin; |
f55ab26a | 538 | struct mutex sd_rindex_mutex; |
b3b94faa DT |
539 | struct list_head sd_rindex_list; |
540 | struct list_head sd_rindex_mru_list; | |
541 | struct list_head sd_rindex_recent_list; | |
542 | struct gfs2_rgrpd *sd_rindex_forward; | |
543 | unsigned int sd_rgrps; | |
544 | ||
545 | /* Journal index stuff */ | |
546 | ||
547 | struct list_head sd_jindex_list; | |
548 | spinlock_t sd_jindex_spin; | |
f55ab26a | 549 | struct mutex sd_jindex_mutex; |
b3b94faa DT |
550 | unsigned int sd_journals; |
551 | unsigned long sd_jindex_refresh_time; | |
552 | ||
553 | struct gfs2_jdesc *sd_jdesc; | |
554 | struct gfs2_holder sd_journal_gh; | |
555 | struct gfs2_holder sd_jinode_gh; | |
556 | ||
557 | struct gfs2_holder sd_ir_gh; | |
558 | struct gfs2_holder sd_sc_gh; | |
b3b94faa DT |
559 | struct gfs2_holder sd_qc_gh; |
560 | ||
561 | /* Daemon stuff */ | |
562 | ||
b3b94faa DT |
563 | struct task_struct *sd_recoverd_process; |
564 | struct task_struct *sd_logd_process; | |
565 | struct task_struct *sd_quotad_process; | |
b3b94faa DT |
566 | struct task_struct *sd_glockd_process[GFS2_GLOCKD_MAX]; |
567 | unsigned int sd_glockd_num; | |
568 | ||
b3b94faa DT |
569 | /* Quota stuff */ |
570 | ||
571 | struct list_head sd_quota_list; | |
572 | atomic_t sd_quota_count; | |
573 | spinlock_t sd_quota_spin; | |
f55ab26a | 574 | struct mutex sd_quota_mutex; |
b3b94faa DT |
575 | |
576 | unsigned int sd_quota_slots; | |
577 | unsigned int sd_quota_chunks; | |
578 | unsigned char **sd_quota_bitmap; | |
579 | ||
cd915493 | 580 | u64 sd_quota_sync_gen; |
b3b94faa DT |
581 | unsigned long sd_quota_sync_time; |
582 | ||
583 | /* Log stuff */ | |
584 | ||
585 | spinlock_t sd_log_lock; | |
b3b94faa DT |
586 | |
587 | unsigned int sd_log_blks_reserved; | |
588 | unsigned int sd_log_commited_buf; | |
2332c443 | 589 | unsigned int sd_log_commited_databuf; |
b3b94faa DT |
590 | unsigned int sd_log_commited_revoke; |
591 | ||
b3b94faa DT |
592 | unsigned int sd_log_num_buf; |
593 | unsigned int sd_log_num_revoke; | |
594 | unsigned int sd_log_num_rg; | |
595 | unsigned int sd_log_num_databuf; | |
f42faf4f | 596 | |
b3b94faa DT |
597 | struct list_head sd_log_le_buf; |
598 | struct list_head sd_log_le_revoke; | |
599 | struct list_head sd_log_le_rg; | |
600 | struct list_head sd_log_le_databuf; | |
d7b616e2 | 601 | struct list_head sd_log_le_ordered; |
b3b94faa | 602 | |
fd041f0b | 603 | atomic_t sd_log_blks_free; |
71b86f56 | 604 | struct mutex sd_log_reserve_mutex; |
b3b94faa | 605 | |
cd915493 | 606 | u64 sd_log_sequence; |
b3b94faa DT |
607 | unsigned int sd_log_head; |
608 | unsigned int sd_log_tail; | |
b3b94faa DT |
609 | int sd_log_idle; |
610 | ||
611 | unsigned long sd_log_flush_time; | |
484adff8 | 612 | struct rw_semaphore sd_log_flush_lock; |
16615be1 SW |
613 | atomic_t sd_log_in_flight; |
614 | wait_queue_head_t sd_log_flush_wait; | |
b3b94faa DT |
615 | |
616 | unsigned int sd_log_flush_head; | |
cd915493 | 617 | u64 sd_log_flush_wrapped; |
b3b94faa DT |
618 | |
619 | struct list_head sd_ail1_list; | |
620 | struct list_head sd_ail2_list; | |
cd915493 | 621 | u64 sd_ail_sync_gen; |
b3b94faa DT |
622 | |
623 | /* Replay stuff */ | |
624 | ||
625 | struct list_head sd_revoke_list; | |
626 | unsigned int sd_replay_tail; | |
627 | ||
628 | unsigned int sd_found_blocks; | |
629 | unsigned int sd_found_revokes; | |
630 | unsigned int sd_replayed_blocks; | |
631 | ||
632 | /* For quiescing the filesystem */ | |
633 | ||
634 | struct gfs2_holder sd_freeze_gh; | |
f55ab26a | 635 | struct mutex sd_freeze_lock; |
b3b94faa DT |
636 | unsigned int sd_freeze_count; |
637 | ||
638 | /* Counters */ | |
639 | ||
640 | atomic_t sd_glock_count; | |
641 | atomic_t sd_glock_held_count; | |
642 | atomic_t sd_inode_count; | |
b3b94faa | 643 | atomic_t sd_reclaimed; |
b3b94faa DT |
644 | |
645 | char sd_fsname[GFS2_FSNAME_LEN]; | |
646 | char sd_table_name[GFS2_FSNAME_LEN]; | |
647 | char sd_proto_name[GFS2_FSNAME_LEN]; | |
648 | ||
649 | /* Debugging crud */ | |
650 | ||
651 | unsigned long sd_last_warning; | |
86384605 | 652 | struct vfsmount *sd_gfs2mnt; |
5f882096 RP |
653 | struct dentry *debugfs_dir; /* debugfs directory */ |
654 | struct dentry *debugfs_dentry_glocks; /* for debugfs */ | |
b3b94faa DT |
655 | }; |
656 | ||
657 | #endif /* __INCORE_DOT_H__ */ | |
658 |