2 * Copyright (C) Sistina Software, Inc. 1997-2003 All rights reserved.
3 * Copyright (C) 2004-2008 Red Hat, Inc. All rights reserved.
5 * This copyrighted material is made available to anyone wishing to use,
6 * modify, copy, or redistribute it subject to the terms and conditions
7 * of the GNU General Public License version 2.
10 #ifndef __INCORE_DOT_H__
11 #define __INCORE_DOT_H__
14 #include <linux/kobject.h>
15 #include <linux/workqueue.h>
16 #include <linux/dlm.h>
17 #include <linux/buffer_head.h>
18 #include <linux/rcupdate.h>
19 #include <linux/rculist_bl.h>
20 #include <linux/completion.h>
21 #include <linux/rbtree.h>
22 #include <linux/ktime.h>
23 #include <linux/percpu.h>
24 #include <linux/lockref.h>
26 #define DIO_WAIT 0x00000010
27 #define DIO_METADATA 0x00000020
29 struct gfs2_log_operations;
33 struct gfs2_quota_data;
39 typedef void (*gfs2_glop_bh_t) (struct gfs2_glock *gl, unsigned int ret);
41 struct gfs2_log_header_host {
42 u64 lh_sequence; /* Sequence number of this transaction */
43 u32 lh_flags; /* GFS2_LOG_HEAD_... */
44 u32 lh_tail; /* Block number of log tail */
50 * Structure of operations that are associated with each
51 * type of element in the log.
54 struct gfs2_log_operations {
55 void (*lo_before_commit) (struct gfs2_sbd *sdp);
56 void (*lo_after_commit) (struct gfs2_sbd *sdp, struct gfs2_trans *tr);
57 void (*lo_before_scan) (struct gfs2_jdesc *jd,
58 struct gfs2_log_header_host *head, int pass);
59 int (*lo_scan_elements) (struct gfs2_jdesc *jd, unsigned int start,
60 struct gfs2_log_descriptor *ld, __be64 *ptr,
62 void (*lo_after_scan) (struct gfs2_jdesc *jd, int error, int pass);
69 struct buffer_head *bi_bh;
71 unsigned long bi_flags;
79 struct rb_node rd_node; /* Link with superblock */
80 struct gfs2_glock *rd_gl; /* Glock for this rgrp */
81 u64 rd_addr; /* grp block disk address */
82 u64 rd_data0; /* first data location */
83 u32 rd_length; /* length of rgrp header in fs blocks */
84 u32 rd_data; /* num of data blocks in rgrp */
85 u32 rd_bitbytes; /* number of bytes in data bitmaps */
87 u32 rd_reserved; /* number of blocks reserved */
91 struct gfs2_bitmap *rd_bits;
92 struct gfs2_sbd *rd_sbd;
93 struct gfs2_rgrp_lvb *rd_rgl;
96 #define GFS2_RDF_CHECK 0x10000000 /* check for unlinked inodes */
97 #define GFS2_RDF_UPTODATE 0x20000000 /* rg is up to date */
98 #define GFS2_RDF_ERROR 0x40000000 /* error in rg */
99 #define GFS2_RDF_MASK 0xf0000000 /* mask for internal flags */
100 spinlock_t rd_rsspin; /* protects reservation related vars */
101 struct rb_root rd_rstree; /* multi-block reservation tree */
105 struct gfs2_rgrpd *rgd;
106 u32 offset; /* The offset is bitmap relative */
107 int bii; /* Bitmap index */
110 static inline struct gfs2_bitmap *rbm_bi(const struct gfs2_rbm *rbm)
112 return rbm->rgd->rd_bits + rbm->bii;
115 static inline u64 gfs2_rbm_to_block(const struct gfs2_rbm *rbm)
117 return rbm->rgd->rd_data0 + (rbm_bi(rbm)->bi_start * GFS2_NBBY) +
121 static inline bool gfs2_rbm_eq(const struct gfs2_rbm *rbm1,
122 const struct gfs2_rbm *rbm2)
124 return (rbm1->rgd == rbm2->rgd) && (rbm1->bii == rbm2->bii) &&
125 (rbm1->offset == rbm2->offset);
128 enum gfs2_state_bits {
129 BH_Pinned = BH_PrivateStart,
130 BH_Escaped = BH_PrivateStart + 1,
131 BH_Zeronew = BH_PrivateStart + 2,
134 BUFFER_FNS(Pinned, pinned)
135 TAS_BUFFER_FNS(Pinned, pinned)
136 BUFFER_FNS(Escaped, escaped)
137 TAS_BUFFER_FNS(Escaped, escaped)
138 BUFFER_FNS(Zeronew, zeronew)
139 TAS_BUFFER_FNS(Zeronew, zeronew)
141 struct gfs2_bufdata {
142 struct buffer_head *bd_bh;
143 struct gfs2_glock *bd_gl;
146 struct list_head bd_list;
147 const struct gfs2_log_operations *bd_ops;
149 struct gfs2_trans *bd_tr;
150 struct list_head bd_ail_st_list;
151 struct list_head bd_ail_gl_list;
155 * Internally, we prefix things with gdlm_ and GDLM_ (for gfs-dlm) since a
156 * prefix of lock_dlm_ gets awkward.
159 #define GDLM_STRNAME_BYTES 25
160 #define GDLM_LVB_SIZE 32
165 * DFL_BLOCK_LOCKS: dlm is in recovery and will grant locks that had been
166 * held by failed nodes whose journals need recovery. Those locks should
167 * only be used for journal recovery until the journal recovery is done.
168 * This is set by the dlm recover_prep callback and cleared by the
169 * gfs2_control thread when journal recovery is complete. To avoid
170 * races between recover_prep setting and gfs2_control clearing, recover_spin
171 * is held while changing this bit and reading/writing recover_block
174 * DFL_NO_DLM_OPS: dlm lockspace ops/callbacks are not being used.
176 * DFL_FIRST_MOUNT: this node is the first to mount this fs and is doing
177 * recovery of all journals before allowing other nodes to mount the fs.
178 * This is cleared when FIRST_MOUNT_DONE is set.
180 * DFL_FIRST_MOUNT_DONE: this node was the first mounter, and has finished
181 * recovery of all journals, and now allows other nodes to mount the fs.
183 * DFL_MOUNT_DONE: gdlm_mount has completed successfully and cleared
184 * BLOCK_LOCKS for the first time. The gfs2_control thread should now
185 * control clearing BLOCK_LOCKS for further recoveries.
187 * DFL_UNMOUNT: gdlm_unmount sets to keep sdp off gfs2_control_wq.
189 * DFL_DLM_RECOVERY: set while dlm is in recovery, between recover_prep()
190 * and recover_done(), i.e. set while recover_block == recover_start.
197 DFL_FIRST_MOUNT_DONE = 3,
200 DFL_DLM_RECOVERY = 6,
205 unsigned int ln_type;
208 #define lm_name_equal(name1, name2) \
209 (((name1)->ln_number == (name2)->ln_number) && \
210 ((name1)->ln_type == (name2)->ln_type))
213 struct gfs2_glock_operations {
214 void (*go_sync) (struct gfs2_glock *gl);
215 int (*go_xmote_bh) (struct gfs2_glock *gl, struct gfs2_holder *gh);
216 void (*go_inval) (struct gfs2_glock *gl, int flags);
217 int (*go_demote_ok) (const struct gfs2_glock *gl);
218 int (*go_lock) (struct gfs2_holder *gh);
219 void (*go_unlock) (struct gfs2_holder *gh);
220 int (*go_dump)(struct seq_file *seq, const struct gfs2_glock *gl);
221 void (*go_callback)(struct gfs2_glock *gl, bool remote);
223 const unsigned long go_flags;
224 #define GLOF_ASPACE 1
229 GFS2_LKS_SRTT = 0, /* Non blocking smoothed round trip time */
230 GFS2_LKS_SRTTVAR = 1, /* Non blocking smoothed variance */
231 GFS2_LKS_SRTTB = 2, /* Blocking smoothed round trip time */
232 GFS2_LKS_SRTTVARB = 3, /* Blocking smoothed variance */
233 GFS2_LKS_SIRT = 4, /* Smoothed Inter-request time */
234 GFS2_LKS_SIRTVAR = 5, /* Smoothed Inter-request variance */
235 GFS2_LKS_DCOUNT = 6, /* Count of dlm requests */
236 GFS2_LKS_QCOUNT = 7, /* Count of gfs2_holder queues */
240 struct gfs2_lkstats {
241 s64 stats[GFS2_NR_LKSTATS];
246 HIF_HOLDER = 6, /* Set for gh that "holds" the glock */
252 struct list_head gh_list;
254 struct gfs2_glock *gh_gl;
255 struct pid *gh_owner_pid;
256 unsigned int gh_state;
260 unsigned long gh_iflags; /* HIF_... */
264 /* Resource group multi-block reservation, in order of appearance:
266 Step 1. Function prepares to write, allocates a mb, sets the size hint.
267 Step 2. User calls inplace_reserve to target an rgrp, sets the rgrp info
268 Step 3. Function get_local_rgrp locks the rgrp, determines which bits to use
269 Step 4. Bits are assigned from the rgrp based on either the reservation
273 struct gfs2_blkreserv {
274 /* components used during write (step 1): */
275 atomic_t rs_sizehint; /* hint of the write size */
277 struct gfs2_holder rs_rgd_gh; /* Filled in by get_local_rgrp */
278 struct rb_node rs_node; /* link to other block reservations */
279 struct gfs2_rbm rs_rbm; /* Start of reservation */
280 u32 rs_free; /* how many blocks are still free */
281 u64 rs_inum; /* Inode number for reservation */
283 /* ancillary quota stuff */
284 struct gfs2_quota_data *rs_qa_qd[2 * MAXQUOTAS];
285 struct gfs2_holder rs_qa_qd_ghs[2 * MAXQUOTAS];
286 unsigned int rs_qa_qd_num;
290 * Allocation parameters
291 * @target: The number of blocks we'd ideally like to allocate
292 * @aflags: The flags (e.g. Orlov flag)
294 * The intent is to gradually expand this structure over time in
295 * order to give more information, e.g. alignment, min extent size
296 * to the allocation code.
298 struct gfs2_alloc_parms {
306 GLF_PENDING_DEMOTE = 4,
307 GLF_DEMOTE_IN_PROGRESS = 5,
310 GLF_INVALIDATE_IN_PROGRESS = 8,
311 GLF_REPLY_PENDING = 9,
316 GLF_OBJECT = 14, /* Used only for tracing */
321 struct hlist_bl_node gl_list;
322 struct gfs2_sbd *gl_sbd;
323 unsigned long gl_flags; /* GLF_... */
324 struct lm_lockname gl_name;
326 struct lockref gl_lockref;
327 #define gl_spin gl_lockref.lock
329 /* State fields protected by gl_spin */
330 unsigned int gl_state:2, /* Current state */
331 gl_target:2, /* Target state */
332 gl_demote_state:2, /* State requested by remote node */
333 gl_req:2, /* State in last dlm request */
334 gl_reply:8; /* Last reply from the dlm */
336 unsigned int gl_hash;
337 unsigned long gl_demote_time; /* time of first demote request */
339 struct list_head gl_holders;
341 const struct gfs2_glock_operations *gl_ops;
343 struct gfs2_lkstats gl_stats;
344 struct dlm_lksb gl_lksb;
345 unsigned long gl_tchange;
348 struct list_head gl_lru;
349 struct list_head gl_ail_list;
350 atomic_t gl_ail_count;
352 struct delayed_work gl_work;
353 struct work_struct gl_delete;
354 struct rcu_head gl_rcu;
357 #define GFS2_MIN_LVB_SIZE 32 /* Min size of LVB that gfs2 supports */
362 GIF_ALLOC_FAILED = 2,
368 struct inode i_inode;
373 unsigned long i_flags; /* GIF_... */
374 struct gfs2_glock *i_gl; /* Move into i_gh? */
375 struct gfs2_holder i_iopen_gh;
376 struct gfs2_holder i_gh; /* for prepare/commit_write only */
377 struct gfs2_blkreserv *i_res; /* rgrp multi-block reservation */
378 struct gfs2_rgrpd *i_rgd;
379 u64 i_goal; /* goal block for allocations */
380 struct rw_semaphore i_rw_mutex;
381 struct list_head i_ordered;
382 struct list_head i_trunc_list;
383 __be64 *i_hash_cache;
391 * Since i_inode is the first element of struct gfs2_inode,
392 * this is effectively a cast.
394 static inline struct gfs2_inode *GFS2_I(struct inode *inode)
396 return container_of(inode, struct gfs2_inode, i_inode);
399 static inline struct gfs2_sbd *GFS2_SB(const struct inode *inode)
401 return inode->i_sb->s_fs_info;
405 struct mutex f_fl_mutex;
406 struct gfs2_holder f_fl_gh;
409 struct gfs2_revoke_replay {
410 struct list_head rr_list;
412 unsigned int rr_where;
421 struct gfs2_quota_data {
422 struct list_head qd_list;
424 struct lockref qd_lockref;
425 struct list_head qd_lru;
427 unsigned long qd_flags; /* QDF_... */
432 unsigned int qd_slot;
433 unsigned int qd_slot_count;
435 struct buffer_head *qd_bh;
436 struct gfs2_quota_change *qd_bh_qc;
437 unsigned int qd_bh_count;
439 struct gfs2_glock *qd_gl;
440 struct gfs2_quota_lvb qd_qb;
443 unsigned long qd_last_warn;
449 unsigned int tr_blocks;
450 unsigned int tr_revokes;
451 unsigned int tr_reserved;
453 struct gfs2_holder tr_t_gh;
458 unsigned int tr_num_buf_new;
459 unsigned int tr_num_databuf_new;
460 unsigned int tr_num_buf_rm;
461 unsigned int tr_num_databuf_rm;
462 unsigned int tr_num_revoke;
463 unsigned int tr_num_revoke_rm;
465 struct list_head tr_list;
467 unsigned int tr_first;
468 struct list_head tr_ail1_list;
469 struct list_head tr_ail2_list;
472 struct gfs2_journal_extent {
473 struct list_head extent_list;
475 unsigned int lblock; /* First logical block */
476 u64 dblock; /* First disk block */
481 struct list_head jd_list;
482 struct list_head extent_list;
483 struct work_struct jd_work;
484 struct inode *jd_inode;
485 unsigned long jd_flags;
486 #define JDF_RECOVERY 1
488 unsigned int jd_blocks;
489 int jd_recover_error;
492 struct gfs2_statfs_change_host {
498 #define GFS2_QUOTA_DEFAULT GFS2_QUOTA_OFF
499 #define GFS2_QUOTA_OFF 0
500 #define GFS2_QUOTA_ACCOUNT 1
501 #define GFS2_QUOTA_ON 2
503 #define GFS2_DATA_DEFAULT GFS2_DATA_ORDERED
504 #define GFS2_DATA_WRITEBACK 1
505 #define GFS2_DATA_ORDERED 2
507 #define GFS2_ERRORS_DEFAULT GFS2_ERRORS_WITHDRAW
508 #define GFS2_ERRORS_WITHDRAW 0
509 #define GFS2_ERRORS_CONTINUE 1 /* place holder for future feature */
510 #define GFS2_ERRORS_RO 2 /* place holder for future feature */
511 #define GFS2_ERRORS_PANIC 3
514 char ar_lockproto[GFS2_LOCKNAME_LEN]; /* Name of the Lock Protocol */
515 char ar_locktable[GFS2_LOCKNAME_LEN]; /* Name of the Lock Table */
516 char ar_hostdata[GFS2_LOCKNAME_LEN]; /* Host specific data */
517 unsigned int ar_spectator:1; /* Don't get a journal */
518 unsigned int ar_localflocks:1; /* Let the VFS do flock|fcntl */
519 unsigned int ar_debug:1; /* Oops on errors */
520 unsigned int ar_posix_acl:1; /* Enable posix acls */
521 unsigned int ar_quota:2; /* off/account/on */
522 unsigned int ar_suiddir:1; /* suiddir support */
523 unsigned int ar_data:2; /* ordered/writeback */
524 unsigned int ar_meta:1; /* mount metafs */
525 unsigned int ar_discard:1; /* discard requests */
526 unsigned int ar_errors:2; /* errors=withdraw | panic */
527 unsigned int ar_nobarrier:1; /* do not send barriers */
528 unsigned int ar_rgrplvb:1; /* use lvbs for rgrp info */
529 int ar_commit; /* Commit interval */
530 int ar_statfs_quantum; /* The fast statfs interval */
531 int ar_quota_quantum; /* The quota interval */
532 int ar_statfs_percent; /* The % change to force sync */
538 unsigned int gt_logd_secs;
540 unsigned int gt_quota_warn_period; /* Secs between quota warn msgs */
541 unsigned int gt_quota_scale_num; /* Numerator */
542 unsigned int gt_quota_scale_den; /* Denominator */
543 unsigned int gt_quota_quantum; /* Secs between syncs to quota file */
544 unsigned int gt_new_files_jdata;
545 unsigned int gt_max_readahead; /* Max bytes to read-ahead from disk */
546 unsigned int gt_complain_secs;
547 unsigned int gt_statfs_quantum;
548 unsigned int gt_statfs_slow;
552 SDF_JOURNAL_CHECKED = 0,
553 SDF_JOURNAL_LIVE = 1,
559 SDF_RORECOVERY = 7, /* read only recovery */
560 SDF_SKIP_DLM_UNLOCK = 8,
563 #define GFS2_FSNAME_LEN 256
565 struct gfs2_inum_host {
570 struct gfs2_sb_host {
576 u32 sb_multihost_format;
580 struct gfs2_inum_host sb_master_dir;
581 struct gfs2_inum_host sb_root_dir;
583 char sb_lockproto[GFS2_LOCKNAME_LEN];
584 char sb_locktable[GFS2_LOCKNAME_LEN];
588 * lm_mount() return values
590 * ls_jid - the journal ID this node should use
591 * ls_first - this node is the first to mount the file system
592 * ls_lockspace - lock module's context for this file system
593 * ls_ops - lock module's functions
596 struct lm_lockstruct {
598 unsigned int ls_first;
599 const struct lm_lockops *ls_ops;
600 dlm_lockspace_t *ls_dlm;
602 int ls_recover_jid_done; /* These two are deprecated, */
603 int ls_recover_jid_status; /* used previously by gfs_controld */
605 struct dlm_lksb ls_mounted_lksb; /* mounted_lock */
606 struct dlm_lksb ls_control_lksb; /* control_lock */
607 char ls_control_lvb[GDLM_LVB_SIZE]; /* control_lock lvb */
608 struct completion ls_sync_wait; /* {control,mounted}_{lock,unlock} */
611 spinlock_t ls_recover_spin; /* protects following fields */
612 unsigned long ls_recover_flags; /* DFL_ */
613 uint32_t ls_recover_mount; /* gen in first recover_done cb */
614 uint32_t ls_recover_start; /* gen in last recover_done cb */
615 uint32_t ls_recover_block; /* copy recover_start in last recover_prep */
616 uint32_t ls_recover_size; /* size of recover_submit, recover_result */
617 uint32_t *ls_recover_submit; /* gen in last recover_slot cb per jid */
618 uint32_t *ls_recover_result; /* result of last jid recovery */
621 struct gfs2_pcpu_lkstats {
622 /* One struct for each glock type */
623 struct gfs2_lkstats lkstats[10];
627 struct super_block *sd_vfs;
628 struct gfs2_pcpu_lkstats __percpu *sd_lkstats;
629 struct kobject sd_kobj;
630 unsigned long sd_flags; /* SDF_... */
631 struct gfs2_sb_host sd_sb;
633 /* Constants computed on mount */
637 u32 sd_diptrs; /* Number of pointers in a dinode */
638 u32 sd_inptrs; /* Number of pointers in a indirect block */
639 u32 sd_jbsize; /* Size of a journaled data block */
640 u32 sd_hash_bsize; /* sizeof(exhash block) */
641 u32 sd_hash_bsize_shift;
642 u32 sd_hash_ptrs; /* Number of pointers in a hash block */
644 u32 sd_blocks_per_bitmap;
645 u32 sd_max_dirres; /* Max blocks needed to add a directory entry */
646 u32 sd_max_height; /* Max height of a file's metadata tree */
647 u64 sd_heightsize[GFS2_MAX_META_HEIGHT + 1];
648 u32 sd_max_jheight; /* Max height of journaled file's meta tree */
649 u64 sd_jheightsize[GFS2_MAX_META_HEIGHT + 1];
651 struct gfs2_args sd_args; /* Mount arguments */
652 struct gfs2_tune sd_tune; /* Filesystem tuning structure */
656 struct lm_lockstruct sd_lockstruct;
657 struct gfs2_holder sd_live_gh;
658 struct gfs2_glock *sd_rename_gl;
659 struct gfs2_glock *sd_trans_gl;
660 wait_queue_head_t sd_glock_wait;
661 atomic_t sd_glock_disposal;
662 struct completion sd_locking_init;
663 struct completion sd_wdack;
664 struct delayed_work sd_control_work;
668 struct dentry *sd_master_dir;
669 struct dentry *sd_root_dir;
671 struct inode *sd_jindex;
672 struct inode *sd_statfs_inode;
673 struct inode *sd_sc_inode;
674 struct inode *sd_qc_inode;
675 struct inode *sd_rindex;
676 struct inode *sd_quota_inode;
680 spinlock_t sd_statfs_spin;
681 struct gfs2_statfs_change_host sd_statfs_master;
682 struct gfs2_statfs_change_host sd_statfs_local;
683 int sd_statfs_force_sync;
685 /* Resource group stuff */
687 int sd_rindex_uptodate;
688 spinlock_t sd_rindex_spin;
689 struct rb_root sd_rindex_tree;
690 unsigned int sd_rgrps;
691 unsigned int sd_max_rg_data;
693 /* Journal index stuff */
695 struct list_head sd_jindex_list;
696 spinlock_t sd_jindex_spin;
697 struct mutex sd_jindex_mutex;
698 unsigned int sd_journals;
700 struct gfs2_jdesc *sd_jdesc;
701 struct gfs2_holder sd_journal_gh;
702 struct gfs2_holder sd_jinode_gh;
704 struct gfs2_holder sd_sc_gh;
705 struct gfs2_holder sd_qc_gh;
709 struct task_struct *sd_logd_process;
710 struct task_struct *sd_quotad_process;
714 struct list_head sd_quota_list;
715 atomic_t sd_quota_count;
716 struct mutex sd_quota_mutex;
717 struct mutex sd_quota_sync_mutex;
718 wait_queue_head_t sd_quota_wait;
719 struct list_head sd_trunc_list;
720 spinlock_t sd_trunc_lock;
722 unsigned int sd_quota_slots;
723 unsigned int sd_quota_chunks;
724 unsigned char **sd_quota_bitmap;
726 u64 sd_quota_sync_gen;
730 spinlock_t sd_log_lock;
732 struct gfs2_trans *sd_log_tr;
733 unsigned int sd_log_blks_reserved;
734 unsigned int sd_log_commited_buf;
735 unsigned int sd_log_commited_databuf;
736 int sd_log_commited_revoke;
738 atomic_t sd_log_pinned;
739 unsigned int sd_log_num_buf;
740 unsigned int sd_log_num_revoke;
741 unsigned int sd_log_num_rg;
742 unsigned int sd_log_num_databuf;
744 struct list_head sd_log_le_buf;
745 struct list_head sd_log_le_revoke;
746 struct list_head sd_log_le_databuf;
747 struct list_head sd_log_le_ordered;
748 spinlock_t sd_ordered_lock;
750 atomic_t sd_log_thresh1;
751 atomic_t sd_log_thresh2;
752 atomic_t sd_log_blks_free;
753 wait_queue_head_t sd_log_waitq;
754 wait_queue_head_t sd_logd_waitq;
757 unsigned int sd_log_head;
758 unsigned int sd_log_tail;
761 struct rw_semaphore sd_log_flush_lock;
762 atomic_t sd_log_in_flight;
763 struct bio *sd_log_bio;
764 wait_queue_head_t sd_log_flush_wait;
767 unsigned int sd_log_flush_head;
768 u64 sd_log_flush_wrapped;
770 spinlock_t sd_ail_lock;
771 struct list_head sd_ail1_list;
772 struct list_head sd_ail2_list;
776 struct list_head sd_revoke_list;
777 unsigned int sd_replay_tail;
779 unsigned int sd_found_blocks;
780 unsigned int sd_found_revokes;
781 unsigned int sd_replayed_blocks;
783 /* For quiescing the filesystem */
784 struct gfs2_holder sd_freeze_gh;
786 char sd_fsname[GFS2_FSNAME_LEN];
787 char sd_table_name[GFS2_FSNAME_LEN];
788 char sd_proto_name[GFS2_FSNAME_LEN];
792 unsigned long sd_last_warning;
793 struct dentry *debugfs_dir; /* debugfs directory */
794 struct dentry *debugfs_dentry_glocks;
795 struct dentry *debugfs_dentry_glstats;
796 struct dentry *debugfs_dentry_sbstats;
799 static inline void gfs2_glstats_inc(struct gfs2_glock *gl, int which)
801 gl->gl_stats.stats[which]++;
804 static inline void gfs2_sbstats_inc(const struct gfs2_glock *gl, int which)
806 const struct gfs2_sbd *sdp = gl->gl_sbd;
808 this_cpu_ptr(sdp->sd_lkstats)->lkstats[gl->gl_name.ln_type].stats[which]++;
812 #endif /* __INCORE_DOT_H__ */