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 | ||
71 | struct gfs2_rgrpd { | |
72 | struct list_head rd_list; /* Link with superblock */ | |
73 | struct list_head rd_list_mru; | |
b3b94faa | 74 | struct gfs2_glock *rd_gl; /* Glock for this rgrp */ |
bb8d8a6f SW |
75 | u64 rd_addr; /* grp block disk address */ |
76 | u64 rd_data0; /* first data location */ | |
77 | u32 rd_length; /* length of rgrp header in fs blocks */ | |
78 | u32 rd_data; /* num of data blocks in rgrp */ | |
79 | u32 rd_bitbytes; /* number of bytes in data bitmaps */ | |
cfc8b549 | 80 | u32 rd_free; |
73f74948 SW |
81 | u32 rd_free_clone; |
82 | u32 rd_dinodes; | |
d8b71f73 | 83 | u64 rd_igeneration; |
b3b94faa | 84 | struct gfs2_bitmap *rd_bits; |
f55ab26a | 85 | struct mutex rd_mutex; |
b3b94faa | 86 | struct gfs2_log_element rd_le; |
b3b94faa | 87 | struct gfs2_sbd *rd_sbd; |
73f74948 SW |
88 | unsigned int rd_bh_count; |
89 | u32 rd_last_alloc; | |
42d52e38 BP |
90 | unsigned char rd_flags; |
91 | #define GFS2_RDF_CHECK 0x01 /* Need to check for unlinked inodes */ | |
92 | #define GFS2_RDF_NOALLOC 0x02 /* rg prohibits allocation */ | |
cf45b752 | 93 | #define GFS2_RDF_UPTODATE 0x04 /* rg is up to date */ |
b3b94faa DT |
94 | }; |
95 | ||
96 | enum gfs2_state_bits { | |
97 | BH_Pinned = BH_PrivateStart, | |
f42faf4f | 98 | BH_Escaped = BH_PrivateStart + 1, |
b3b94faa DT |
99 | }; |
100 | ||
101 | BUFFER_FNS(Pinned, pinned) | |
102 | TAS_BUFFER_FNS(Pinned, pinned) | |
f42faf4f SW |
103 | BUFFER_FNS(Escaped, escaped) |
104 | TAS_BUFFER_FNS(Escaped, escaped) | |
b3b94faa DT |
105 | |
106 | struct gfs2_bufdata { | |
107 | struct buffer_head *bd_bh; | |
108 | struct gfs2_glock *bd_gl; | |
109 | ||
82e86087 SW |
110 | union { |
111 | struct list_head list_tr; | |
112 | u64 blkno; | |
113 | } u; | |
114 | #define bd_list_tr u.list_tr | |
115 | #define bd_blkno u.blkno | |
116 | ||
b3b94faa DT |
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); |
6802e340 | 126 | int (*go_xmote_bh) (struct gfs2_glock *gl, struct gfs2_holder *gh); |
1a14d3a6 | 127 | void (*go_inval) (struct gfs2_glock *gl, int flags); |
97cc1025 | 128 | int (*go_demote_ok) (const struct gfs2_glock *gl); |
1a14d3a6 SW |
129 | int (*go_lock) (struct gfs2_holder *gh); |
130 | void (*go_unlock) (struct gfs2_holder *gh); | |
6802e340 | 131 | int (*go_dump)(struct seq_file *seq, const struct gfs2_glock *gl); |
8fb4b536 | 132 | const int go_type; |
c4f68a13 | 133 | const unsigned long go_min_hold_time; |
b3b94faa DT |
134 | }; |
135 | ||
136 | enum { | |
b3b94faa | 137 | /* States */ |
6802e340 | 138 | HIF_HOLDER = 6, /* Set for gh that "holds" the glock */ |
b3b94faa | 139 | HIF_FIRST = 7, |
fee852e3 | 140 | HIF_WAIT = 10, |
b3b94faa DT |
141 | }; |
142 | ||
143 | struct gfs2_holder { | |
144 | struct list_head gh_list; | |
145 | ||
146 | struct gfs2_glock *gh_gl; | |
b1e058da | 147 | struct pid *gh_owner_pid; |
b3b94faa | 148 | unsigned int gh_state; |
fe1bdedc | 149 | unsigned gh_flags; |
b3b94faa DT |
150 | |
151 | int gh_error; | |
6802e340 | 152 | unsigned long gh_iflags; /* HIF_... */ |
d0dc80db | 153 | unsigned long gh_ip; |
b3b94faa DT |
154 | }; |
155 | ||
156 | enum { | |
6802e340 | 157 | GLF_LOCK = 1, |
6802e340 SW |
158 | GLF_DEMOTE = 3, |
159 | GLF_PENDING_DEMOTE = 4, | |
160 | GLF_DEMOTE_IN_PROGRESS = 5, | |
161 | GLF_DIRTY = 6, | |
162 | GLF_LFLUSH = 7, | |
163 | GLF_INVALIDATE_IN_PROGRESS = 8, | |
164 | GLF_REPLY_PENDING = 9, | |
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; | |
6802e340 SW |
176 | unsigned int gl_target; |
177 | unsigned int gl_reply; | |
37b2fa6a | 178 | unsigned int gl_hash; |
3b8249f6 SW |
179 | unsigned int gl_demote_state; /* state requested by remote node */ |
180 | unsigned long gl_demote_time; /* time of first demote request */ | |
b3b94faa | 181 | struct list_head gl_holders; |
b3b94faa | 182 | |
8fb4b536 | 183 | const struct gfs2_glock_operations *gl_ops; |
9b47c11d | 184 | void *gl_lock; |
b3b94faa DT |
185 | char *gl_lvb; |
186 | atomic_t gl_lvb_count; | |
187 | ||
b3b94faa | 188 | unsigned long gl_stamp; |
c4f68a13 | 189 | unsigned long gl_tchange; |
b3b94faa DT |
190 | void *gl_object; |
191 | ||
97cc1025 | 192 | struct list_head gl_lru; |
b3b94faa DT |
193 | |
194 | struct gfs2_sbd *gl_sbd; | |
195 | ||
196 | struct inode *gl_aspace; | |
b3b94faa DT |
197 | struct list_head gl_ail_list; |
198 | atomic_t gl_ail_count; | |
c4f68a13 | 199 | struct delayed_work gl_work; |
b3b94faa DT |
200 | }; |
201 | ||
da755fdb SW |
202 | #define GFS2_MIN_LVB_SIZE 32 /* Min size of LVB that gfs2 supports */ |
203 | ||
b3b94faa DT |
204 | struct gfs2_alloc { |
205 | /* Quota stuff */ | |
206 | ||
e9fc2aa0 SW |
207 | struct gfs2_quota_data *al_qd[2*MAXQUOTAS]; |
208 | struct gfs2_holder al_qd_ghs[2*MAXQUOTAS]; | |
6b61b072 | 209 | unsigned int al_qd_num; |
b3b94faa | 210 | |
6b61b072 SW |
211 | u32 al_requested; /* Filled in by caller of gfs2_inplace_reserve() */ |
212 | u32 al_alloced; /* Filled in by gfs2_alloc_*() */ | |
b3b94faa DT |
213 | |
214 | /* Filled in by gfs2_inplace_reserve() */ | |
215 | ||
b3b94faa | 216 | unsigned int al_line; |
6b61b072 | 217 | char *al_file; |
b3b94faa DT |
218 | struct gfs2_holder al_ri_gh; |
219 | struct gfs2_holder al_rgd_gh; | |
220 | struct gfs2_rgrpd *al_rgd; | |
221 | ||
b3b94faa DT |
222 | }; |
223 | ||
224 | enum { | |
bfded27b | 225 | GIF_INVALID = 0, |
b3b94faa | 226 | GIF_QD_LOCKED = 1, |
b3b94faa | 227 | GIF_SW_PAGED = 3, |
091806ed | 228 | GIF_USER = 4, /* user inode, not metadata addr space */ |
b3b94faa DT |
229 | }; |
230 | ||
bb8d8a6f | 231 | |
b3b94faa | 232 | struct gfs2_inode { |
320dd101 | 233 | struct inode i_inode; |
dbb7cae2 SW |
234 | u64 i_no_addr; |
235 | u64 i_no_formal_ino; | |
bcf0b5b3 | 236 | u64 i_generation; |
3767ac21 | 237 | u64 i_eattr; |
c9e98886 | 238 | loff_t i_disksize; |
b3b94faa | 239 | unsigned long i_flags; /* GIF_... */ |
feaa7bba | 240 | struct gfs2_glock *i_gl; /* Move into i_gh? */ |
b3b94faa | 241 | struct gfs2_holder i_iopen_gh; |
f42faf4f | 242 | struct gfs2_holder i_gh; /* for prepare/commit_write only */ |
6dbd8224 | 243 | struct gfs2_alloc *i_alloc; |
ce276b06 | 244 | u64 i_goal; /* goal block for allocations */ |
b3b94faa | 245 | struct rw_semaphore i_rw_mutex; |
813e0c46 | 246 | struct list_head i_trunc_list; |
ad6203f2 | 247 | u32 i_entries; |
383f01fb | 248 | u32 i_diskflags; |
ecc30c79 | 249 | u8 i_height; |
9a004508 | 250 | u8 i_depth; |
b3b94faa DT |
251 | }; |
252 | ||
feaa7bba SW |
253 | /* |
254 | * Since i_inode is the first element of struct gfs2_inode, | |
255 | * this is effectively a cast. | |
256 | */ | |
320dd101 SW |
257 | static inline struct gfs2_inode *GFS2_I(struct inode *inode) |
258 | { | |
259 | return container_of(inode, struct gfs2_inode, i_inode); | |
260 | } | |
261 | ||
bf36a713 | 262 | static inline struct gfs2_sbd *GFS2_SB(const struct inode *inode) |
feaa7bba SW |
263 | { |
264 | return inode->i_sb->s_fs_info; | |
265 | } | |
266 | ||
b3b94faa | 267 | struct gfs2_file { |
f55ab26a | 268 | struct mutex f_fl_mutex; |
b3b94faa | 269 | struct gfs2_holder f_fl_gh; |
b3b94faa DT |
270 | }; |
271 | ||
b3b94faa DT |
272 | struct gfs2_revoke_replay { |
273 | struct list_head rr_list; | |
cd915493 | 274 | u64 rr_blkno; |
b3b94faa DT |
275 | unsigned int rr_where; |
276 | }; | |
277 | ||
b3b94faa DT |
278 | enum { |
279 | QDF_USER = 0, | |
280 | QDF_CHANGE = 1, | |
281 | QDF_LOCKED = 2, | |
282 | }; | |
283 | ||
284 | struct gfs2_quota_data { | |
285 | struct list_head qd_list; | |
286 | unsigned int qd_count; | |
287 | ||
cd915493 | 288 | u32 qd_id; |
b3b94faa DT |
289 | unsigned long qd_flags; /* QDF_... */ |
290 | ||
cd915493 SW |
291 | s64 qd_change; |
292 | s64 qd_change_sync; | |
b3b94faa DT |
293 | |
294 | unsigned int qd_slot; | |
295 | unsigned int qd_slot_count; | |
296 | ||
297 | struct buffer_head *qd_bh; | |
298 | struct gfs2_quota_change *qd_bh_qc; | |
299 | unsigned int qd_bh_count; | |
300 | ||
301 | struct gfs2_glock *qd_gl; | |
302 | struct gfs2_quota_lvb qd_qb; | |
303 | ||
cd915493 | 304 | u64 qd_sync_gen; |
b3b94faa DT |
305 | unsigned long qd_last_warn; |
306 | unsigned long qd_last_touched; | |
307 | }; | |
308 | ||
b3b94faa | 309 | struct gfs2_trans { |
d0dc80db | 310 | unsigned long tr_ip; |
b3b94faa DT |
311 | |
312 | unsigned int tr_blocks; | |
313 | unsigned int tr_revokes; | |
314 | unsigned int tr_reserved; | |
315 | ||
e317ffcb | 316 | struct gfs2_holder tr_t_gh; |
b3b94faa DT |
317 | |
318 | int tr_touched; | |
319 | ||
320 | unsigned int tr_num_buf; | |
321 | unsigned int tr_num_buf_new; | |
2332c443 | 322 | unsigned int tr_num_databuf_new; |
b3b94faa | 323 | unsigned int tr_num_buf_rm; |
2332c443 | 324 | unsigned int tr_num_databuf_rm; |
b3b94faa DT |
325 | struct list_head tr_list_buf; |
326 | ||
327 | unsigned int tr_num_revoke; | |
328 | unsigned int tr_num_revoke_rm; | |
329 | }; | |
330 | ||
331 | struct gfs2_ail { | |
332 | struct list_head ai_list; | |
333 | ||
334 | unsigned int ai_first; | |
335 | struct list_head ai_ail1_list; | |
336 | struct list_head ai_ail2_list; | |
337 | ||
cd915493 | 338 | u64 ai_sync_gen; |
b3b94faa DT |
339 | }; |
340 | ||
da6dd40d BP |
341 | struct gfs2_journal_extent { |
342 | struct list_head extent_list; | |
343 | ||
344 | unsigned int lblock; /* First logical block */ | |
345 | u64 dblock; /* First disk block */ | |
346 | u64 blocks; | |
347 | }; | |
348 | ||
b3b94faa DT |
349 | struct gfs2_jdesc { |
350 | struct list_head jd_list; | |
da6dd40d | 351 | struct list_head extent_list; |
b3b94faa | 352 | |
7359a19c | 353 | struct inode *jd_inode; |
b3b94faa DT |
354 | unsigned int jd_jid; |
355 | int jd_dirty; | |
356 | ||
357 | unsigned int jd_blocks; | |
358 | }; | |
359 | ||
bb8d8a6f SW |
360 | struct gfs2_statfs_change_host { |
361 | s64 sc_total; | |
362 | s64 sc_free; | |
363 | s64 sc_dinodes; | |
364 | }; | |
365 | ||
b3b94faa DT |
366 | #define GFS2_GLOCKD_DEFAULT 1 |
367 | #define GFS2_GLOCKD_MAX 16 | |
368 | ||
369 | #define GFS2_QUOTA_DEFAULT GFS2_QUOTA_OFF | |
370 | #define GFS2_QUOTA_OFF 0 | |
371 | #define GFS2_QUOTA_ACCOUNT 1 | |
372 | #define GFS2_QUOTA_ON 2 | |
373 | ||
374 | #define GFS2_DATA_DEFAULT GFS2_DATA_ORDERED | |
375 | #define GFS2_DATA_WRITEBACK 1 | |
376 | #define GFS2_DATA_ORDERED 2 | |
377 | ||
378 | struct gfs2_args { | |
37ec89e8 SW |
379 | char ar_lockproto[GFS2_LOCKNAME_LEN]; /* Name of the Lock Protocol */ |
380 | char ar_locktable[GFS2_LOCKNAME_LEN]; /* Name of the Lock Table */ | |
381 | char ar_hostdata[GFS2_LOCKNAME_LEN]; /* Host specific data */ | |
382 | unsigned int ar_spectator:1; /* Don't get a journal */ | |
383 | unsigned int ar_ignore_local_fs:1; /* Ignore optimisations */ | |
384 | unsigned int ar_localflocks:1; /* Let the VFS do flock|fcntl */ | |
385 | unsigned int ar_localcaching:1; /* Local caching */ | |
386 | unsigned int ar_debug:1; /* Oops on errors */ | |
387 | unsigned int ar_upgrade:1; /* Upgrade ondisk format */ | |
388 | unsigned int ar_posix_acl:1; /* Enable posix acls */ | |
389 | unsigned int ar_quota:2; /* off/account/on */ | |
390 | unsigned int ar_suiddir:1; /* suiddir support */ | |
391 | unsigned int ar_data:2; /* ordered/writeback */ | |
392 | unsigned int ar_meta:1; /* mount metafs */ | |
393 | unsigned int ar_num_glockd; /* Number of glockd threads */ | |
b3b94faa DT |
394 | }; |
395 | ||
396 | struct gfs2_tune { | |
397 | spinlock_t gt_spin; | |
398 | ||
b3b94faa DT |
399 | unsigned int gt_incore_log_blocks; |
400 | unsigned int gt_log_flush_secs; | |
b3b94faa | 401 | |
b3b94faa DT |
402 | unsigned int gt_recoverd_secs; |
403 | unsigned int gt_logd_secs; | |
b3b94faa DT |
404 | |
405 | unsigned int gt_quota_simul_sync; /* Max quotavals to sync at once */ | |
406 | unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */ | |
407 | unsigned int gt_quota_scale_num; /* Numerator */ | |
408 | unsigned int gt_quota_scale_den; /* Denominator */ | |
409 | unsigned int gt_quota_cache_secs; | |
410 | unsigned int gt_quota_quantum; /* Secs between syncs to quota file */ | |
b3b94faa | 411 | unsigned int gt_new_files_jdata; |
b3b94faa | 412 | unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */ |
b3b94faa DT |
413 | unsigned int gt_stall_secs; /* Detects trouble! */ |
414 | unsigned int gt_complain_secs; | |
b3b94faa DT |
415 | unsigned int gt_statfs_quantum; |
416 | unsigned int gt_statfs_slow; | |
417 | }; | |
418 | ||
b3b94faa DT |
419 | enum { |
420 | SDF_JOURNAL_CHECKED = 0, | |
421 | SDF_JOURNAL_LIVE = 1, | |
422 | SDF_SHUTDOWN = 2, | |
254db57f | 423 | SDF_NOBARRIERS = 3, |
b3b94faa DT |
424 | }; |
425 | ||
b3b94faa DT |
426 | #define GFS2_FSNAME_LEN 256 |
427 | ||
bb8d8a6f SW |
428 | struct gfs2_inum_host { |
429 | u64 no_formal_ino; | |
430 | u64 no_addr; | |
431 | }; | |
432 | ||
433 | struct gfs2_sb_host { | |
434 | u32 sb_magic; | |
435 | u32 sb_type; | |
436 | u32 sb_format; | |
437 | ||
438 | u32 sb_fs_format; | |
439 | u32 sb_multihost_format; | |
440 | u32 sb_bsize; | |
441 | u32 sb_bsize_shift; | |
442 | ||
443 | struct gfs2_inum_host sb_master_dir; | |
444 | struct gfs2_inum_host sb_root_dir; | |
445 | ||
446 | char sb_lockproto[GFS2_LOCKNAME_LEN]; | |
447 | char sb_locktable[GFS2_LOCKNAME_LEN]; | |
448 | }; | |
449 | ||
b3b94faa DT |
450 | struct gfs2_sbd { |
451 | struct super_block *sd_vfs; | |
452 | struct kobject sd_kobj; | |
453 | unsigned long sd_flags; /* SDF_... */ | |
f50dfaf7 | 454 | struct gfs2_sb_host sd_sb; |
b3b94faa DT |
455 | |
456 | /* Constants computed on mount */ | |
457 | ||
cd915493 SW |
458 | u32 sd_fsb2bb; |
459 | u32 sd_fsb2bb_shift; | |
460 | u32 sd_diptrs; /* Number of pointers in a dinode */ | |
461 | u32 sd_inptrs; /* Number of pointers in a indirect block */ | |
462 | u32 sd_jbsize; /* Size of a journaled data block */ | |
463 | u32 sd_hash_bsize; /* sizeof(exhash block) */ | |
464 | u32 sd_hash_bsize_shift; | |
465 | u32 sd_hash_ptrs; /* Number of pointers in a hash block */ | |
466 | u32 sd_qc_per_block; | |
467 | u32 sd_max_dirres; /* Max blocks needed to add a directory entry */ | |
468 | u32 sd_max_height; /* Max height of a file's metadata tree */ | |
ecc30c79 | 469 | u64 sd_heightsize[GFS2_MAX_META_HEIGHT + 1]; |
cd915493 | 470 | u32 sd_max_jheight; /* Max height of journaled file's meta tree */ |
ecc30c79 | 471 | u64 sd_jheightsize[GFS2_MAX_META_HEIGHT + 1]; |
b3b94faa DT |
472 | |
473 | struct gfs2_args sd_args; /* Mount arguments */ | |
474 | struct gfs2_tune sd_tune; /* Filesystem tuning structure */ | |
475 | ||
476 | /* Lock Stuff */ | |
477 | ||
478 | struct lm_lockstruct sd_lockstruct; | |
b3b94faa DT |
479 | struct gfs2_holder sd_live_gh; |
480 | struct gfs2_glock *sd_rename_gl; | |
481 | struct gfs2_glock *sd_trans_gl; | |
b3b94faa DT |
482 | |
483 | /* Inode Stuff */ | |
484 | ||
9b8df98f SW |
485 | struct dentry *sd_master_dir; |
486 | struct dentry *sd_root_dir; | |
487 | ||
f42faf4f SW |
488 | struct inode *sd_jindex; |
489 | struct inode *sd_inum_inode; | |
490 | struct inode *sd_statfs_inode; | |
491 | struct inode *sd_ir_inode; | |
492 | struct inode *sd_sc_inode; | |
f42faf4f SW |
493 | struct inode *sd_qc_inode; |
494 | struct inode *sd_rindex; | |
495 | struct inode *sd_quota_inode; | |
b3b94faa DT |
496 | |
497 | /* Inum stuff */ | |
498 | ||
f55ab26a | 499 | struct mutex sd_inum_mutex; |
b3b94faa DT |
500 | |
501 | /* StatFS stuff */ | |
502 | ||
503 | spinlock_t sd_statfs_spin; | |
bd209cc0 AV |
504 | struct gfs2_statfs_change_host sd_statfs_master; |
505 | struct gfs2_statfs_change_host sd_statfs_local; | |
b3b94faa DT |
506 | |
507 | /* Resource group stuff */ | |
508 | ||
cf45b752 | 509 | int sd_rindex_uptodate; |
b3b94faa | 510 | spinlock_t sd_rindex_spin; |
f55ab26a | 511 | struct mutex sd_rindex_mutex; |
b3b94faa DT |
512 | struct list_head sd_rindex_list; |
513 | struct list_head sd_rindex_mru_list; | |
b3b94faa DT |
514 | struct gfs2_rgrpd *sd_rindex_forward; |
515 | unsigned int sd_rgrps; | |
516 | ||
517 | /* Journal index stuff */ | |
518 | ||
519 | struct list_head sd_jindex_list; | |
520 | spinlock_t sd_jindex_spin; | |
f55ab26a | 521 | struct mutex sd_jindex_mutex; |
b3b94faa DT |
522 | unsigned int sd_journals; |
523 | unsigned long sd_jindex_refresh_time; | |
524 | ||
525 | struct gfs2_jdesc *sd_jdesc; | |
526 | struct gfs2_holder sd_journal_gh; | |
527 | struct gfs2_holder sd_jinode_gh; | |
528 | ||
529 | struct gfs2_holder sd_ir_gh; | |
530 | struct gfs2_holder sd_sc_gh; | |
b3b94faa DT |
531 | struct gfs2_holder sd_qc_gh; |
532 | ||
533 | /* Daemon stuff */ | |
534 | ||
b3b94faa DT |
535 | struct task_struct *sd_recoverd_process; |
536 | struct task_struct *sd_logd_process; | |
537 | struct task_struct *sd_quotad_process; | |
b3b94faa | 538 | |
b3b94faa DT |
539 | /* Quota stuff */ |
540 | ||
541 | struct list_head sd_quota_list; | |
542 | atomic_t sd_quota_count; | |
543 | spinlock_t sd_quota_spin; | |
f55ab26a | 544 | struct mutex sd_quota_mutex; |
37b2c837 | 545 | wait_queue_head_t sd_quota_wait; |
813e0c46 SW |
546 | struct list_head sd_trunc_list; |
547 | spinlock_t sd_trunc_lock; | |
b3b94faa DT |
548 | |
549 | unsigned int sd_quota_slots; | |
550 | unsigned int sd_quota_chunks; | |
551 | unsigned char **sd_quota_bitmap; | |
552 | ||
cd915493 | 553 | u64 sd_quota_sync_gen; |
b3b94faa DT |
554 | |
555 | /* Log stuff */ | |
556 | ||
557 | spinlock_t sd_log_lock; | |
b3b94faa DT |
558 | |
559 | unsigned int sd_log_blks_reserved; | |
560 | unsigned int sd_log_commited_buf; | |
2332c443 | 561 | unsigned int sd_log_commited_databuf; |
b3b94faa DT |
562 | unsigned int sd_log_commited_revoke; |
563 | ||
b3b94faa DT |
564 | unsigned int sd_log_num_buf; |
565 | unsigned int sd_log_num_revoke; | |
566 | unsigned int sd_log_num_rg; | |
567 | unsigned int sd_log_num_databuf; | |
f42faf4f | 568 | |
b3b94faa DT |
569 | struct list_head sd_log_le_buf; |
570 | struct list_head sd_log_le_revoke; | |
571 | struct list_head sd_log_le_rg; | |
572 | struct list_head sd_log_le_databuf; | |
d7b616e2 | 573 | struct list_head sd_log_le_ordered; |
b3b94faa | 574 | |
fd041f0b | 575 | atomic_t sd_log_blks_free; |
71b86f56 | 576 | struct mutex sd_log_reserve_mutex; |
b3b94faa | 577 | |
cd915493 | 578 | u64 sd_log_sequence; |
b3b94faa DT |
579 | unsigned int sd_log_head; |
580 | unsigned int sd_log_tail; | |
b3b94faa DT |
581 | int sd_log_idle; |
582 | ||
583 | unsigned long sd_log_flush_time; | |
484adff8 | 584 | struct rw_semaphore sd_log_flush_lock; |
16615be1 SW |
585 | atomic_t sd_log_in_flight; |
586 | wait_queue_head_t sd_log_flush_wait; | |
b3b94faa DT |
587 | |
588 | unsigned int sd_log_flush_head; | |
cd915493 | 589 | u64 sd_log_flush_wrapped; |
b3b94faa DT |
590 | |
591 | struct list_head sd_ail1_list; | |
592 | struct list_head sd_ail2_list; | |
cd915493 | 593 | u64 sd_ail_sync_gen; |
b3b94faa DT |
594 | |
595 | /* Replay stuff */ | |
596 | ||
597 | struct list_head sd_revoke_list; | |
598 | unsigned int sd_replay_tail; | |
599 | ||
600 | unsigned int sd_found_blocks; | |
601 | unsigned int sd_found_revokes; | |
602 | unsigned int sd_replayed_blocks; | |
603 | ||
604 | /* For quiescing the filesystem */ | |
605 | ||
606 | struct gfs2_holder sd_freeze_gh; | |
f55ab26a | 607 | struct mutex sd_freeze_lock; |
b3b94faa DT |
608 | unsigned int sd_freeze_count; |
609 | ||
b3b94faa DT |
610 | char sd_fsname[GFS2_FSNAME_LEN]; |
611 | char sd_table_name[GFS2_FSNAME_LEN]; | |
612 | char sd_proto_name[GFS2_FSNAME_LEN]; | |
613 | ||
614 | /* Debugging crud */ | |
615 | ||
616 | unsigned long sd_last_warning; | |
5f882096 RP |
617 | struct dentry *debugfs_dir; /* debugfs directory */ |
618 | struct dentry *debugfs_dentry_glocks; /* for debugfs */ | |
b3b94faa DT |
619 | }; |
620 | ||
621 | #endif /* __INCORE_DOT_H__ */ | |
622 |