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2023-12-09 95099d4622f8cb224d94e314c7a8e0df60b13f87 
 kernel/fs/gfs2/incore.h
....@@ -1,10 +1,7 @@
1
+/* SPDX-License-Identifier: GPL-2.0-only */
12 /*
23  * Copyright (C) Sistina Software, Inc.  1997-2003 All rights reserved.
34  * Copyright (C) 2004-2008 Red Hat, Inc.  All rights reserved.
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
7
- * of the GNU General Public License version 2.
85  */
96 
107 #ifndef __INCORE_DOT_H__
....@@ -44,6 +41,10 @@
4441 	u32 lh_flags;		/* GFS2_LOG_HEAD_... */
4542 	u32 lh_tail;		/* Block number of log tail */
4643 	u32 lh_blkno;
44
+
45
+	s64 lh_local_total;
46
+	s64 lh_local_free;
47
+	s64 lh_local_dinodes;
4748 };
4849 
4950 /*
....@@ -92,7 +93,7 @@
9293 	unsigned long bi_flags;
9394 	u32 bi_offset;
9495 	u32 bi_start;
95
-	u32 bi_len;
96
+	u32 bi_bytes;
9697 	u32 bi_blocks;
9798 };
9899 
....@@ -165,7 +166,6 @@
165166 	u64 bd_blkno;
166167 
167168 	struct list_head bd_list;
168
-	const struct gfs2_log_operations *bd_ops;
169169 
170170 	struct gfs2_trans *bd_tr;
171171 	struct list_head bd_ail_st_list;
....@@ -238,19 +238,22 @@
238238 
239239 
240240 struct gfs2_glock_operations {
241
-	void (*go_sync) (struct gfs2_glock *gl);
241
+	int (*go_sync) (struct gfs2_glock *gl);
242242 	int (*go_xmote_bh) (struct gfs2_glock *gl, struct gfs2_holder *gh);
243243 	void (*go_inval) (struct gfs2_glock *gl, int flags);
244244 	int (*go_demote_ok) (const struct gfs2_glock *gl);
245245 	int (*go_lock) (struct gfs2_holder *gh);
246
-	void (*go_unlock) (struct gfs2_holder *gh);
247
-	void (*go_dump)(struct seq_file *seq, const struct gfs2_glock *gl);
246
+	void (*go_dump)(struct seq_file *seq, struct gfs2_glock *gl,
247
+			const char *fs_id_buf);
248248 	void (*go_callback)(struct gfs2_glock *gl, bool remote);
249
+	void (*go_free)(struct gfs2_glock *gl);
250
+	const int go_subclass;
249251 	const int go_type;
250252 	const unsigned long go_flags;
251
-#define GLOF_ASPACE 1
252
-#define GLOF_LVB    2
253
-#define GLOF_LRU    4
253
+#define GLOF_ASPACE 1 /* address space attached */
254
+#define GLOF_LVB    2 /* Lock Value Block attached */
255
+#define GLOF_LRU    4 /* LRU managed */
256
+#define GLOF_NONDISK   8 /* not I/O related */
254257 };
255258 
256259 enum {
....@@ -297,6 +300,7 @@
297300 	struct gfs2_quota_data *qa_qd[2 * GFS2_MAXQUOTAS];
298301 	struct gfs2_holder qa_qd_ghs[2 * GFS2_MAXQUOTAS];
299302 	unsigned int qa_qd_num;
303
+	int qa_ref;
300304 };
301305 
302306 /* Resource group multi-block reservation, in order of appearance:
....@@ -309,10 +313,6 @@
309313 */
310314 
311315 struct gfs2_blkreserv {
312
-	/* components used during write (step 1): */
313
-	atomic_t rs_sizehint;         /* hint of the write size */
314
-
315
-	struct gfs2_holder rs_rgd_gh; /* Filled in by get_local_rgrp */
316316 	struct rb_node rs_node;       /* link to other block reservations */
317317 	struct gfs2_rbm rs_rbm;       /* Start of reservation */
318318 	u32 rs_free;                  /* how many blocks are still free */
....@@ -345,11 +345,12 @@
345345 	GLF_REPLY_PENDING		= 9,
346346 	GLF_INITIAL			= 10,
347347 	GLF_FROZEN			= 11,
348
-	GLF_QUEUED			= 12,
349348 	GLF_LRU				= 13,
350349 	GLF_OBJECT			= 14, /* Used only for tracing */
351350 	GLF_BLOCKING			= 15,
352351 	GLF_INODE_CREATING		= 16, /* Inode creation occurring */
352
+	GLF_PENDING_DELETE		= 17,
353
+	GLF_FREEING			= 18, /* Wait for glock to be freed */
353354 };
354355 
355356 struct gfs2_glock {
....@@ -381,29 +382,23 @@
381382 	atomic_t gl_ail_count;
382383 	atomic_t gl_revokes;
383384 	struct delayed_work gl_work;
384
-	union {
385
-		/* For inode and iopen glocks only */
386
-		struct work_struct gl_delete;
387
-		/* For rgrp glocks only */
388
-		struct {
389
-			loff_t start;
390
-			loff_t end;
391
-		} gl_vm;
385
+	/* For iopen glocks only */
386
+	struct {
387
+		struct delayed_work gl_delete;
388
+		u64 gl_no_formal_ino;
392389 	};
393390 	struct rcu_head gl_rcu;
394391 	struct rhash_head gl_node;
395392 };
396
-
397
-#define GFS2_MIN_LVB_SIZE 32	/* Min size of LVB that gfs2 supports */
398393 
399394 enum {
400395 	GIF_INVALID		= 0,
401396 	GIF_QD_LOCKED		= 1,
402397 	GIF_ALLOC_FAILED	= 2,
403398 	GIF_SW_PAGED		= 3,
404
-	GIF_ORDERED		= 4,
405399 	GIF_FREE_VFS_INODE      = 5,
406400 	GIF_GLOP_PENDING	= 6,
401
+	GIF_DEFERRED_DELETE	= 7,
407402 };
408403 
409404 struct gfs2_inode {
....@@ -417,8 +412,10 @@
417412 	struct gfs2_holder i_iopen_gh;
418413 	struct gfs2_holder i_gh; /* for prepare/commit_write only */
419414 	struct gfs2_qadata *i_qadata; /* quota allocation data */
415
+	struct gfs2_holder i_rgd_gh;
420416 	struct gfs2_blkreserv i_res; /* rgrp multi-block reservation */
421417 	u64 i_goal;	/* goal block for allocations */
418
+	atomic_t i_sizehint;  /* hint of the write size */
422419 	struct rw_semaphore i_rw_mutex;
423420 	struct list_head i_ordered;
424421 	struct list_head i_trunc_list;
....@@ -538,7 +535,7 @@
538535 	unsigned long jd_flags;
539536 #define JDF_RECOVERY 1
540537 	unsigned int jd_jid;
541
-	unsigned int jd_blocks;
538
+	u32 jd_blocks;
542539 	int jd_recover_error;
543540 	/* Replay stuff */
544541 
....@@ -549,6 +546,7 @@
549546 	struct list_head jd_revoke_list;
550547 	unsigned int jd_replay_tail;
551548 
549
+	u64 jd_no_addr;
552550 };
553551 
554552 struct gfs2_statfs_change_host {
....@@ -590,10 +588,10 @@
590588 	unsigned int ar_rgrplvb:1;		/* use lvbs for rgrp info */
591589 	unsigned int ar_loccookie:1;		/* use location based readdir
592590 						   cookies */
593
-	int ar_commit;				/* Commit interval */
594
-	int ar_statfs_quantum;			/* The fast statfs interval */
595
-	int ar_quota_quantum;			/* The quota interval */
596
-	int ar_statfs_percent;			/* The % change to force sync */
591
+	s32 ar_commit;				/* Commit interval */
592
+	s32 ar_statfs_quantum;			/* The fast statfs interval */
593
+	s32 ar_quota_quantum;			/* The quota interval */
594
+	s32 ar_statfs_percent;			/* The % change to force sync */
597595 };
598596 
599597 struct gfs2_tune {
....@@ -615,7 +613,7 @@
615613 enum {
616614 	SDF_JOURNAL_CHECKED	= 0,
617615 	SDF_JOURNAL_LIVE	= 1,
618
-	SDF_SHUTDOWN		= 2,
616
+	SDF_WITHDRAWN		= 2,
619617 	SDF_NOBARRIERS		= 3,
620618 	SDF_NORECOVERY		= 4,
621619 	SDF_DEMOTE		= 5,
....@@ -623,7 +621,12 @@
623621 	SDF_RORECOVERY		= 7, /* read only recovery */
624622 	SDF_SKIP_DLM_UNLOCK	= 8,
625623 	SDF_FORCE_AIL_FLUSH     = 9,
626
-	SDF_AIL1_IO_ERROR	= 10,
624
+	SDF_FS_FROZEN           = 10,
625
+	SDF_WITHDRAWING		= 11, /* Will withdraw eventually */
626
+	SDF_WITHDRAW_IN_PROG	= 12, /* Withdraw is in progress */
627
+	SDF_REMOTE_WITHDRAW	= 13, /* Performing remote recovery */
628
+	SDF_WITHDRAW_RECOVERY	= 14, /* Wait for journal recovery when we are
629
+					 withdrawing */
627630 };
628631 
629632 enum gfs2_freeze_state {
....@@ -695,10 +698,18 @@
695698 	struct gfs2_lkstats lkstats[10];
696699 };
697700 
701
+/* List of local (per node) statfs inodes */
702
+struct local_statfs_inode {
703
+	struct list_head si_list;
704
+	struct inode *si_sc_inode;
705
+	unsigned int si_jid; /* journal id this statfs inode corresponds to */
706
+};
707
+
698708 struct gfs2_sbd {
699709 	struct super_block *sd_vfs;
700710 	struct gfs2_pcpu_lkstats __percpu *sd_lkstats;
701711 	struct kobject sd_kobj;
712
+	struct completion sd_kobj_unregister;
702713 	unsigned long sd_flags;	/* SDF_... */
703714 	struct gfs2_sb_host sd_sb;
704715 
....@@ -708,6 +719,7 @@
708719 	u32 sd_fsb2bb_shift;
709720 	u32 sd_diptrs;	/* Number of pointers in a dinode */
710721 	u32 sd_inptrs;	/* Number of pointers in a indirect block */
722
+	u32 sd_ldptrs;  /* Number of pointers in a log descriptor block */
711723 	u32 sd_jbsize;	/* Size of a journaled data block */
712724 	u32 sd_hash_bsize;	/* sizeof(exhash block) */
713725 	u32 sd_hash_bsize_shift;
....@@ -730,6 +742,7 @@
730742 	struct gfs2_glock *sd_freeze_gl;
731743 	struct work_struct sd_freeze_work;
732744 	wait_queue_head_t sd_glock_wait;
745
+	wait_queue_head_t sd_async_glock_wait;
733746 	atomic_t sd_glock_disposal;
734747 	struct completion sd_locking_init;
735748 	struct completion sd_wdack;
....@@ -743,6 +756,7 @@
743756 	struct inode *sd_jindex;
744757 	struct inode *sd_statfs_inode;
745758 	struct inode *sd_sc_inode;
759
+	struct list_head sd_sc_inodes_list;
746760 	struct inode *sd_qc_inode;
747761 	struct inode *sd_rindex;
748762 	struct inode *sd_quota_inode;
....@@ -772,6 +786,7 @@
772786 	struct gfs2_jdesc *sd_jdesc;
773787 	struct gfs2_holder sd_journal_gh;
774788 	struct gfs2_holder sd_jinode_gh;
789
+	struct gfs2_glock *sd_jinode_gl;
775790 
776791 	struct gfs2_holder sd_sc_gh;
777792 	struct gfs2_holder sd_qc_gh;
....@@ -807,13 +822,13 @@
807822 
808823 	struct gfs2_trans *sd_log_tr;
809824 	unsigned int sd_log_blks_reserved;
810
-	int sd_log_commited_revoke;
825
+	int sd_log_committed_revoke;
811826 
812827 	atomic_t sd_log_pinned;
813828 	unsigned int sd_log_num_revoke;
814829 
815
-	struct list_head sd_log_le_revoke;
816
-	struct list_head sd_log_le_ordered;
830
+	struct list_head sd_log_revokes;
831
+	struct list_head sd_log_ordered;
817832 	spinlock_t sd_ordered_lock;
818833 
819834 	atomic_t sd_log_thresh1;
....@@ -832,7 +847,8 @@
832847 	atomic_t sd_log_in_flight;
833848 	struct bio *sd_log_bio;
834849 	wait_queue_head_t sd_log_flush_wait;
835
-	int sd_log_error;
850
+	int sd_log_error; /* First log error */
851
+	wait_queue_head_t sd_withdraw_wait;
836852 
837853 	atomic_t sd_reserving_log;
838854 	wait_queue_head_t sd_reserving_log_wait;
....@@ -856,9 +872,7 @@
856872 
857873 	unsigned long sd_last_warning;
858874 	struct dentry *debugfs_dir;    /* debugfs directory */
859
-	struct dentry *debugfs_dentry_glocks;
860
-	struct dentry *debugfs_dentry_glstats;
861
-	struct dentry *debugfs_dentry_sbstats;
875
+	unsigned long sd_glock_dqs_held;
862876 };
863877 
864878 static inline void gfs2_glstats_inc(struct gfs2_glock *gl, int which)