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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. | |
29d38cd1 | 3 | * Copyright (C) 2004-2008 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); | |
b3b94faa DT |
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 | 71 | struct gfs2_rgrp_host { |
bb8d8a6f SW |
72 | u32 rg_free; |
73 | u32 rg_dinodes; | |
bb8d8a6f SW |
74 | }; |
75 | ||
b3b94faa DT |
76 | struct gfs2_rgrpd { |
77 | struct list_head rd_list; /* Link with superblock */ | |
78 | struct list_head rd_list_mru; | |
b3b94faa | 79 | struct gfs2_glock *rd_gl; /* Glock for this rgrp */ |
bb8d8a6f SW |
80 | u64 rd_addr; /* grp block disk address */ |
81 | u64 rd_data0; /* first data location */ | |
82 | u32 rd_length; /* length of rgrp header in fs blocks */ | |
83 | u32 rd_data; /* num of data blocks in rgrp */ | |
84 | u32 rd_bitbytes; /* number of bytes in data bitmaps */ | |
68826664 | 85 | struct gfs2_rgrp_host rd_rg; |
d8b71f73 | 86 | u64 rd_igeneration; |
b3b94faa DT |
87 | struct gfs2_bitmap *rd_bits; |
88 | unsigned int rd_bh_count; | |
f55ab26a | 89 | struct mutex rd_mutex; |
cd915493 | 90 | u32 rd_free_clone; |
b3b94faa | 91 | struct gfs2_log_element rd_le; |
ac576cc5 | 92 | u32 rd_last_alloc; |
b3b94faa | 93 | struct gfs2_sbd *rd_sbd; |
42d52e38 BP |
94 | unsigned char rd_flags; |
95 | #define GFS2_RDF_CHECK 0x01 /* Need to check for unlinked inodes */ | |
96 | #define GFS2_RDF_NOALLOC 0x02 /* rg prohibits allocation */ | |
cf45b752 | 97 | #define GFS2_RDF_UPTODATE 0x04 /* rg is up to date */ |
b3b94faa DT |
98 | }; |
99 | ||
100 | enum gfs2_state_bits { | |
101 | BH_Pinned = BH_PrivateStart, | |
f42faf4f | 102 | BH_Escaped = BH_PrivateStart + 1, |
b3b94faa DT |
103 | }; |
104 | ||
105 | BUFFER_FNS(Pinned, pinned) | |
106 | TAS_BUFFER_FNS(Pinned, pinned) | |
f42faf4f SW |
107 | BUFFER_FNS(Escaped, escaped) |
108 | TAS_BUFFER_FNS(Escaped, escaped) | |
b3b94faa DT |
109 | |
110 | struct gfs2_bufdata { | |
111 | struct buffer_head *bd_bh; | |
112 | struct gfs2_glock *bd_gl; | |
113 | ||
82e86087 SW |
114 | union { |
115 | struct list_head list_tr; | |
116 | u64 blkno; | |
117 | } u; | |
118 | #define bd_list_tr u.list_tr | |
119 | #define bd_blkno u.blkno | |
120 | ||
b3b94faa DT |
121 | struct gfs2_log_element bd_le; |
122 | ||
123 | struct gfs2_ail *bd_ail; | |
124 | struct list_head bd_ail_st_list; | |
125 | struct list_head bd_ail_gl_list; | |
126 | }; | |
127 | ||
b3b94faa | 128 | struct gfs2_glock_operations { |
b5d32bea | 129 | void (*go_xmote_th) (struct gfs2_glock *gl); |
6802e340 | 130 | int (*go_xmote_bh) (struct gfs2_glock *gl, struct gfs2_holder *gh); |
1a14d3a6 SW |
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); | |
6802e340 | 135 | int (*go_dump)(struct seq_file *seq, const struct gfs2_glock *gl); |
8fb4b536 | 136 | const int go_type; |
c4f68a13 | 137 | const unsigned long go_min_hold_time; |
b3b94faa DT |
138 | }; |
139 | ||
140 | enum { | |
b3b94faa | 141 | /* States */ |
6802e340 | 142 | HIF_HOLDER = 6, /* Set for gh that "holds" the glock */ |
b3b94faa | 143 | HIF_FIRST = 7, |
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; | |
b1e058da | 151 | struct pid *gh_owner_pid; |
b3b94faa | 152 | unsigned int gh_state; |
fe1bdedc | 153 | unsigned gh_flags; |
b3b94faa DT |
154 | |
155 | int gh_error; | |
6802e340 | 156 | unsigned long gh_iflags; /* HIF_... */ |
d0dc80db | 157 | unsigned long gh_ip; |
b3b94faa DT |
158 | }; |
159 | ||
160 | enum { | |
6802e340 SW |
161 | GLF_LOCK = 1, |
162 | GLF_STICKY = 2, | |
163 | GLF_DEMOTE = 3, | |
164 | GLF_PENDING_DEMOTE = 4, | |
165 | GLF_DEMOTE_IN_PROGRESS = 5, | |
166 | GLF_DIRTY = 6, | |
167 | GLF_LFLUSH = 7, | |
168 | GLF_INVALIDATE_IN_PROGRESS = 8, | |
169 | GLF_REPLY_PENDING = 9, | |
b3b94faa DT |
170 | }; |
171 | ||
172 | struct gfs2_glock { | |
b6397893 | 173 | struct hlist_node gl_list; |
b3b94faa DT |
174 | unsigned long gl_flags; /* GLF_... */ |
175 | struct lm_lockname gl_name; | |
16feb9fe | 176 | atomic_t gl_ref; |
b3b94faa DT |
177 | |
178 | spinlock_t gl_spin; | |
179 | ||
180 | unsigned int gl_state; | |
6802e340 SW |
181 | unsigned int gl_target; |
182 | unsigned int gl_reply; | |
37b2fa6a | 183 | unsigned int gl_hash; |
3b8249f6 SW |
184 | unsigned int gl_demote_state; /* state requested by remote node */ |
185 | unsigned long gl_demote_time; /* time of first demote request */ | |
b3b94faa | 186 | struct list_head gl_holders; |
b3b94faa | 187 | |
8fb4b536 | 188 | const struct gfs2_glock_operations *gl_ops; |
9b47c11d | 189 | void *gl_lock; |
b3b94faa DT |
190 | char *gl_lvb; |
191 | atomic_t gl_lvb_count; | |
192 | ||
b3b94faa | 193 | unsigned long gl_stamp; |
c4f68a13 | 194 | unsigned long gl_tchange; |
b3b94faa DT |
195 | void *gl_object; |
196 | ||
b3b94faa DT |
197 | struct list_head gl_reclaim; |
198 | ||
199 | struct gfs2_sbd *gl_sbd; | |
200 | ||
201 | struct inode *gl_aspace; | |
b3b94faa DT |
202 | struct list_head gl_ail_list; |
203 | atomic_t gl_ail_count; | |
c4f68a13 | 204 | struct delayed_work gl_work; |
b3b94faa DT |
205 | }; |
206 | ||
da755fdb SW |
207 | #define GFS2_MIN_LVB_SIZE 32 /* Min size of LVB that gfs2 supports */ |
208 | ||
b3b94faa DT |
209 | struct gfs2_alloc { |
210 | /* Quota stuff */ | |
211 | ||
e9fc2aa0 SW |
212 | struct gfs2_quota_data *al_qd[2*MAXQUOTAS]; |
213 | struct gfs2_holder al_qd_ghs[2*MAXQUOTAS]; | |
6b61b072 | 214 | unsigned int al_qd_num; |
b3b94faa | 215 | |
6b61b072 SW |
216 | u32 al_requested; /* Filled in by caller of gfs2_inplace_reserve() */ |
217 | u32 al_alloced; /* Filled in by gfs2_alloc_*() */ | |
b3b94faa DT |
218 | |
219 | /* Filled in by gfs2_inplace_reserve() */ | |
220 | ||
b3b94faa | 221 | unsigned int al_line; |
6b61b072 | 222 | char *al_file; |
b3b94faa DT |
223 | struct gfs2_holder al_ri_gh; |
224 | struct gfs2_holder al_rgd_gh; | |
225 | struct gfs2_rgrpd *al_rgd; | |
226 | ||
b3b94faa DT |
227 | }; |
228 | ||
229 | enum { | |
bfded27b | 230 | GIF_INVALID = 0, |
b3b94faa | 231 | GIF_QD_LOCKED = 1, |
b3b94faa | 232 | GIF_SW_PAGED = 3, |
091806ed | 233 | GIF_USER = 4, /* user inode, not metadata addr space */ |
b3b94faa DT |
234 | }; |
235 | ||
bb8d8a6f | 236 | |
b3b94faa | 237 | struct gfs2_inode { |
320dd101 | 238 | struct inode i_inode; |
dbb7cae2 SW |
239 | u64 i_no_addr; |
240 | u64 i_no_formal_ino; | |
bcf0b5b3 | 241 | u64 i_generation; |
3767ac21 | 242 | u64 i_eattr; |
c9e98886 | 243 | loff_t i_disksize; |
b3b94faa | 244 | unsigned long i_flags; /* GIF_... */ |
feaa7bba | 245 | struct gfs2_glock *i_gl; /* Move into i_gh? */ |
b3b94faa | 246 | struct gfs2_holder i_iopen_gh; |
f42faf4f | 247 | struct gfs2_holder i_gh; /* for prepare/commit_write only */ |
6dbd8224 | 248 | struct gfs2_alloc *i_alloc; |
ce276b06 | 249 | u64 i_goal; /* goal block for allocations */ |
b3b94faa | 250 | struct rw_semaphore i_rw_mutex; |
ad6203f2 | 251 | u32 i_entries; |
383f01fb | 252 | u32 i_diskflags; |
ecc30c79 | 253 | u8 i_height; |
9a004508 | 254 | u8 i_depth; |
b3b94faa DT |
255 | }; |
256 | ||
feaa7bba SW |
257 | /* |
258 | * Since i_inode is the first element of struct gfs2_inode, | |
259 | * this is effectively a cast. | |
260 | */ | |
320dd101 SW |
261 | static inline struct gfs2_inode *GFS2_I(struct inode *inode) |
262 | { | |
263 | return container_of(inode, struct gfs2_inode, i_inode); | |
264 | } | |
265 | ||
bf36a713 | 266 | static inline struct gfs2_sbd *GFS2_SB(const struct inode *inode) |
feaa7bba SW |
267 | { |
268 | return inode->i_sb->s_fs_info; | |
269 | } | |
270 | ||
b3b94faa | 271 | struct gfs2_file { |
f55ab26a | 272 | struct mutex f_fl_mutex; |
b3b94faa | 273 | struct gfs2_holder f_fl_gh; |
b3b94faa DT |
274 | }; |
275 | ||
b3b94faa DT |
276 | struct gfs2_revoke_replay { |
277 | struct list_head rr_list; | |
cd915493 | 278 | u64 rr_blkno; |
b3b94faa DT |
279 | unsigned int rr_where; |
280 | }; | |
281 | ||
b3b94faa DT |
282 | enum { |
283 | QDF_USER = 0, | |
284 | QDF_CHANGE = 1, | |
285 | QDF_LOCKED = 2, | |
286 | }; | |
287 | ||
288 | struct gfs2_quota_data { | |
289 | struct list_head qd_list; | |
290 | unsigned int qd_count; | |
291 | ||
cd915493 | 292 | u32 qd_id; |
b3b94faa DT |
293 | unsigned long qd_flags; /* QDF_... */ |
294 | ||
cd915493 SW |
295 | s64 qd_change; |
296 | s64 qd_change_sync; | |
b3b94faa DT |
297 | |
298 | unsigned int qd_slot; | |
299 | unsigned int qd_slot_count; | |
300 | ||
301 | struct buffer_head *qd_bh; | |
302 | struct gfs2_quota_change *qd_bh_qc; | |
303 | unsigned int qd_bh_count; | |
304 | ||
305 | struct gfs2_glock *qd_gl; | |
306 | struct gfs2_quota_lvb qd_qb; | |
307 | ||
cd915493 | 308 | u64 qd_sync_gen; |
b3b94faa DT |
309 | unsigned long qd_last_warn; |
310 | unsigned long qd_last_touched; | |
311 | }; | |
312 | ||
b3b94faa | 313 | struct gfs2_trans { |
d0dc80db | 314 | unsigned long tr_ip; |
b3b94faa DT |
315 | |
316 | unsigned int tr_blocks; | |
317 | unsigned int tr_revokes; | |
318 | unsigned int tr_reserved; | |
319 | ||
e317ffcb | 320 | struct gfs2_holder tr_t_gh; |
b3b94faa DT |
321 | |
322 | int tr_touched; | |
323 | ||
324 | unsigned int tr_num_buf; | |
325 | unsigned int tr_num_buf_new; | |
2332c443 | 326 | unsigned int tr_num_databuf_new; |
b3b94faa | 327 | unsigned int tr_num_buf_rm; |
2332c443 | 328 | unsigned int tr_num_databuf_rm; |
b3b94faa DT |
329 | struct list_head tr_list_buf; |
330 | ||
331 | unsigned int tr_num_revoke; | |
332 | unsigned int tr_num_revoke_rm; | |
333 | }; | |
334 | ||
335 | struct gfs2_ail { | |
336 | struct list_head ai_list; | |
337 | ||
338 | unsigned int ai_first; | |
339 | struct list_head ai_ail1_list; | |
340 | struct list_head ai_ail2_list; | |
341 | ||
cd915493 | 342 | u64 ai_sync_gen; |
b3b94faa DT |
343 | }; |
344 | ||
da6dd40d BP |
345 | struct gfs2_journal_extent { |
346 | struct list_head extent_list; | |
347 | ||
348 | unsigned int lblock; /* First logical block */ | |
349 | u64 dblock; /* First disk block */ | |
350 | u64 blocks; | |
351 | }; | |
352 | ||
b3b94faa DT |
353 | struct gfs2_jdesc { |
354 | struct list_head jd_list; | |
da6dd40d | 355 | struct list_head extent_list; |
b3b94faa | 356 | |
7359a19c | 357 | struct inode *jd_inode; |
b3b94faa DT |
358 | unsigned int jd_jid; |
359 | int jd_dirty; | |
360 | ||
361 | unsigned int jd_blocks; | |
362 | }; | |
363 | ||
bb8d8a6f SW |
364 | struct gfs2_statfs_change_host { |
365 | s64 sc_total; | |
366 | s64 sc_free; | |
367 | s64 sc_dinodes; | |
368 | }; | |
369 | ||
b3b94faa DT |
370 | #define GFS2_GLOCKD_DEFAULT 1 |
371 | #define GFS2_GLOCKD_MAX 16 | |
372 | ||
373 | #define GFS2_QUOTA_DEFAULT GFS2_QUOTA_OFF | |
374 | #define GFS2_QUOTA_OFF 0 | |
375 | #define GFS2_QUOTA_ACCOUNT 1 | |
376 | #define GFS2_QUOTA_ON 2 | |
377 | ||
378 | #define GFS2_DATA_DEFAULT GFS2_DATA_ORDERED | |
379 | #define GFS2_DATA_WRITEBACK 1 | |
380 | #define GFS2_DATA_ORDERED 2 | |
381 | ||
382 | struct gfs2_args { | |
37ec89e8 SW |
383 | char ar_lockproto[GFS2_LOCKNAME_LEN]; /* Name of the Lock Protocol */ |
384 | char ar_locktable[GFS2_LOCKNAME_LEN]; /* Name of the Lock Table */ | |
385 | char ar_hostdata[GFS2_LOCKNAME_LEN]; /* Host specific data */ | |
386 | unsigned int ar_spectator:1; /* Don't get a journal */ | |
387 | unsigned int ar_ignore_local_fs:1; /* Ignore optimisations */ | |
388 | unsigned int ar_localflocks:1; /* Let the VFS do flock|fcntl */ | |
389 | unsigned int ar_localcaching:1; /* Local caching */ | |
390 | unsigned int ar_debug:1; /* Oops on errors */ | |
391 | unsigned int ar_upgrade:1; /* Upgrade ondisk format */ | |
392 | unsigned int ar_posix_acl:1; /* Enable posix acls */ | |
393 | unsigned int ar_quota:2; /* off/account/on */ | |
394 | unsigned int ar_suiddir:1; /* suiddir support */ | |
395 | unsigned int ar_data:2; /* ordered/writeback */ | |
396 | unsigned int ar_meta:1; /* mount metafs */ | |
397 | unsigned int ar_num_glockd; /* Number of glockd threads */ | |
b3b94faa DT |
398 | }; |
399 | ||
400 | struct gfs2_tune { | |
401 | spinlock_t gt_spin; | |
402 | ||
b3b94faa DT |
403 | unsigned int gt_demote_secs; /* Cache retention for unheld glock */ |
404 | unsigned int gt_incore_log_blocks; | |
405 | unsigned int gt_log_flush_secs; | |
b3b94faa | 406 | |
b3b94faa DT |
407 | unsigned int gt_recoverd_secs; |
408 | unsigned int gt_logd_secs; | |
409 | unsigned int gt_quotad_secs; | |
b3b94faa DT |
410 | |
411 | unsigned int gt_quota_simul_sync; /* Max quotavals to sync at once */ | |
412 | unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */ | |
413 | unsigned int gt_quota_scale_num; /* Numerator */ | |
414 | unsigned int gt_quota_scale_den; /* Denominator */ | |
415 | unsigned int gt_quota_cache_secs; | |
416 | unsigned int gt_quota_quantum; /* Secs between syncs to quota file */ | |
b3b94faa | 417 | unsigned int gt_new_files_jdata; |
b3b94faa | 418 | unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */ |
b3b94faa DT |
419 | unsigned int gt_stall_secs; /* Detects trouble! */ |
420 | unsigned int gt_complain_secs; | |
b3b94faa DT |
421 | unsigned int gt_statfs_quantum; |
422 | unsigned int gt_statfs_slow; | |
423 | }; | |
424 | ||
b3b94faa DT |
425 | enum { |
426 | SDF_JOURNAL_CHECKED = 0, | |
427 | SDF_JOURNAL_LIVE = 1, | |
428 | SDF_SHUTDOWN = 2, | |
254db57f | 429 | SDF_NOBARRIERS = 3, |
b3b94faa DT |
430 | }; |
431 | ||
b3b94faa DT |
432 | #define GFS2_FSNAME_LEN 256 |
433 | ||
bb8d8a6f SW |
434 | struct gfs2_inum_host { |
435 | u64 no_formal_ino; | |
436 | u64 no_addr; | |
437 | }; | |
438 | ||
439 | struct gfs2_sb_host { | |
440 | u32 sb_magic; | |
441 | u32 sb_type; | |
442 | u32 sb_format; | |
443 | ||
444 | u32 sb_fs_format; | |
445 | u32 sb_multihost_format; | |
446 | u32 sb_bsize; | |
447 | u32 sb_bsize_shift; | |
448 | ||
449 | struct gfs2_inum_host sb_master_dir; | |
450 | struct gfs2_inum_host sb_root_dir; | |
451 | ||
452 | char sb_lockproto[GFS2_LOCKNAME_LEN]; | |
453 | char sb_locktable[GFS2_LOCKNAME_LEN]; | |
454 | }; | |
455 | ||
b3b94faa DT |
456 | struct gfs2_sbd { |
457 | struct super_block *sd_vfs; | |
458 | struct kobject sd_kobj; | |
459 | unsigned long sd_flags; /* SDF_... */ | |
f50dfaf7 | 460 | struct gfs2_sb_host sd_sb; |
b3b94faa DT |
461 | |
462 | /* Constants computed on mount */ | |
463 | ||
cd915493 SW |
464 | u32 sd_fsb2bb; |
465 | u32 sd_fsb2bb_shift; | |
466 | u32 sd_diptrs; /* Number of pointers in a dinode */ | |
467 | u32 sd_inptrs; /* Number of pointers in a indirect block */ | |
468 | u32 sd_jbsize; /* Size of a journaled data block */ | |
469 | u32 sd_hash_bsize; /* sizeof(exhash block) */ | |
470 | u32 sd_hash_bsize_shift; | |
471 | u32 sd_hash_ptrs; /* Number of pointers in a hash block */ | |
472 | u32 sd_qc_per_block; | |
473 | u32 sd_max_dirres; /* Max blocks needed to add a directory entry */ | |
474 | u32 sd_max_height; /* Max height of a file's metadata tree */ | |
ecc30c79 | 475 | u64 sd_heightsize[GFS2_MAX_META_HEIGHT + 1]; |
cd915493 | 476 | u32 sd_max_jheight; /* Max height of journaled file's meta tree */ |
ecc30c79 | 477 | u64 sd_jheightsize[GFS2_MAX_META_HEIGHT + 1]; |
b3b94faa DT |
478 | |
479 | struct gfs2_args sd_args; /* Mount arguments */ | |
480 | struct gfs2_tune sd_tune; /* Filesystem tuning structure */ | |
481 | ||
482 | /* Lock Stuff */ | |
483 | ||
484 | struct lm_lockstruct sd_lockstruct; | |
b3b94faa DT |
485 | struct list_head sd_reclaim_list; |
486 | spinlock_t sd_reclaim_lock; | |
487 | wait_queue_head_t sd_reclaim_wq; | |
488 | atomic_t sd_reclaim_count; | |
489 | struct gfs2_holder sd_live_gh; | |
490 | struct gfs2_glock *sd_rename_gl; | |
491 | struct gfs2_glock *sd_trans_gl; | |
b3b94faa DT |
492 | |
493 | /* Inode Stuff */ | |
494 | ||
9b8df98f SW |
495 | struct dentry *sd_master_dir; |
496 | struct dentry *sd_root_dir; | |
497 | ||
f42faf4f SW |
498 | struct inode *sd_jindex; |
499 | struct inode *sd_inum_inode; | |
500 | struct inode *sd_statfs_inode; | |
501 | struct inode *sd_ir_inode; | |
502 | struct inode *sd_sc_inode; | |
f42faf4f SW |
503 | struct inode *sd_qc_inode; |
504 | struct inode *sd_rindex; | |
505 | struct inode *sd_quota_inode; | |
b3b94faa DT |
506 | |
507 | /* Inum stuff */ | |
508 | ||
f55ab26a | 509 | struct mutex sd_inum_mutex; |
b3b94faa DT |
510 | |
511 | /* StatFS stuff */ | |
512 | ||
513 | spinlock_t sd_statfs_spin; | |
bd209cc0 AV |
514 | struct gfs2_statfs_change_host sd_statfs_master; |
515 | struct gfs2_statfs_change_host sd_statfs_local; | |
b3b94faa DT |
516 | unsigned long sd_statfs_sync_time; |
517 | ||
518 | /* Resource group stuff */ | |
519 | ||
cf45b752 | 520 | int sd_rindex_uptodate; |
b3b94faa | 521 | spinlock_t sd_rindex_spin; |
f55ab26a | 522 | struct mutex sd_rindex_mutex; |
b3b94faa DT |
523 | struct list_head sd_rindex_list; |
524 | struct list_head sd_rindex_mru_list; | |
b3b94faa DT |
525 | struct gfs2_rgrpd *sd_rindex_forward; |
526 | unsigned int sd_rgrps; | |
527 | ||
528 | /* Journal index stuff */ | |
529 | ||
530 | struct list_head sd_jindex_list; | |
531 | spinlock_t sd_jindex_spin; | |
f55ab26a | 532 | struct mutex sd_jindex_mutex; |
b3b94faa DT |
533 | unsigned int sd_journals; |
534 | unsigned long sd_jindex_refresh_time; | |
535 | ||
536 | struct gfs2_jdesc *sd_jdesc; | |
537 | struct gfs2_holder sd_journal_gh; | |
538 | struct gfs2_holder sd_jinode_gh; | |
539 | ||
540 | struct gfs2_holder sd_ir_gh; | |
541 | struct gfs2_holder sd_sc_gh; | |
b3b94faa DT |
542 | struct gfs2_holder sd_qc_gh; |
543 | ||
544 | /* Daemon stuff */ | |
545 | ||
b3b94faa DT |
546 | struct task_struct *sd_recoverd_process; |
547 | struct task_struct *sd_logd_process; | |
548 | struct task_struct *sd_quotad_process; | |
b3b94faa DT |
549 | struct task_struct *sd_glockd_process[GFS2_GLOCKD_MAX]; |
550 | unsigned int sd_glockd_num; | |
551 | ||
b3b94faa DT |
552 | /* Quota stuff */ |
553 | ||
554 | struct list_head sd_quota_list; | |
555 | atomic_t sd_quota_count; | |
556 | spinlock_t sd_quota_spin; | |
f55ab26a | 557 | struct mutex sd_quota_mutex; |
b3b94faa DT |
558 | |
559 | unsigned int sd_quota_slots; | |
560 | unsigned int sd_quota_chunks; | |
561 | unsigned char **sd_quota_bitmap; | |
562 | ||
cd915493 | 563 | u64 sd_quota_sync_gen; |
b3b94faa DT |
564 | unsigned long sd_quota_sync_time; |
565 | ||
566 | /* Log stuff */ | |
567 | ||
568 | spinlock_t sd_log_lock; | |
b3b94faa DT |
569 | |
570 | unsigned int sd_log_blks_reserved; | |
571 | unsigned int sd_log_commited_buf; | |
2332c443 | 572 | unsigned int sd_log_commited_databuf; |
b3b94faa DT |
573 | unsigned int sd_log_commited_revoke; |
574 | ||
b3b94faa DT |
575 | unsigned int sd_log_num_buf; |
576 | unsigned int sd_log_num_revoke; | |
577 | unsigned int sd_log_num_rg; | |
578 | unsigned int sd_log_num_databuf; | |
f42faf4f | 579 | |
b3b94faa DT |
580 | struct list_head sd_log_le_buf; |
581 | struct list_head sd_log_le_revoke; | |
582 | struct list_head sd_log_le_rg; | |
583 | struct list_head sd_log_le_databuf; | |
d7b616e2 | 584 | struct list_head sd_log_le_ordered; |
b3b94faa | 585 | |
fd041f0b | 586 | atomic_t sd_log_blks_free; |
71b86f56 | 587 | struct mutex sd_log_reserve_mutex; |
b3b94faa | 588 | |
cd915493 | 589 | u64 sd_log_sequence; |
b3b94faa DT |
590 | unsigned int sd_log_head; |
591 | unsigned int sd_log_tail; | |
b3b94faa DT |
592 | int sd_log_idle; |
593 | ||
594 | unsigned long sd_log_flush_time; | |
484adff8 | 595 | struct rw_semaphore sd_log_flush_lock; |
16615be1 SW |
596 | atomic_t sd_log_in_flight; |
597 | wait_queue_head_t sd_log_flush_wait; | |
b3b94faa DT |
598 | |
599 | unsigned int sd_log_flush_head; | |
cd915493 | 600 | u64 sd_log_flush_wrapped; |
b3b94faa DT |
601 | |
602 | struct list_head sd_ail1_list; | |
603 | struct list_head sd_ail2_list; | |
cd915493 | 604 | u64 sd_ail_sync_gen; |
b3b94faa DT |
605 | |
606 | /* Replay stuff */ | |
607 | ||
608 | struct list_head sd_revoke_list; | |
609 | unsigned int sd_replay_tail; | |
610 | ||
611 | unsigned int sd_found_blocks; | |
612 | unsigned int sd_found_revokes; | |
613 | unsigned int sd_replayed_blocks; | |
614 | ||
615 | /* For quiescing the filesystem */ | |
616 | ||
617 | struct gfs2_holder sd_freeze_gh; | |
f55ab26a | 618 | struct mutex sd_freeze_lock; |
b3b94faa DT |
619 | unsigned int sd_freeze_count; |
620 | ||
621 | /* Counters */ | |
622 | ||
b3b94faa | 623 | atomic_t sd_reclaimed; |
b3b94faa DT |
624 | |
625 | char sd_fsname[GFS2_FSNAME_LEN]; | |
626 | char sd_table_name[GFS2_FSNAME_LEN]; | |
627 | char sd_proto_name[GFS2_FSNAME_LEN]; | |
628 | ||
629 | /* Debugging crud */ | |
630 | ||
631 | unsigned long sd_last_warning; | |
5f882096 RP |
632 | struct dentry *debugfs_dir; /* debugfs directory */ |
633 | struct dentry *debugfs_dentry_glocks; /* for debugfs */ | |
b3b94faa DT |
634 | }; |
635 | ||
636 | #endif /* __INCORE_DOT_H__ */ | |
637 |