Orange Pi5 kernel

^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   1) /* SPDX-License-Identifier: GPL-2.0-or-later */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   3)  *   Copyright (C) International Business Machines Corp., 2000-2004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   4)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   5) #ifndef _H_JFS_TXNMGR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   6) #define _H_JFS_TXNMGR
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   7) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   8) #include "jfs_logmgr.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300   9) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  10) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  11)  * Hide implementation of TxBlock and TxLock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  12)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  13) #define tid_to_tblock(tid) (&TxBlock[tid])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  14) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  15) #define lid_to_tlock(lid) (&TxLock[lid])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  16) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  17) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  18)  *	transaction block
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  19)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  20) struct tblock {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  21) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  22) 	 * tblock and jbuf_t common area: struct logsyncblk
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  23) 	 *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  24) 	 * the following 5 fields are the same as struct logsyncblk
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  25) 	 * which is common to tblock and jbuf to form logsynclist
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  26) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  27) 	u16 xflag;		/* tx commit type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  28) 	u16 flag;		/* tx commit state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  29) 	lid_t dummy;		/* Must keep structures common */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  30) 	s32 lsn;		/* recovery lsn */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  31) 	struct list_head synclist;	/* logsynclist link */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  32) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  33) 	/* lock management */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  34) 	struct super_block *sb;	/* super block */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  35) 	lid_t next;		/* index of first tlock of tid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  36) 	lid_t last;		/* index of last tlock of tid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  37) 	wait_queue_head_t waitor;	/* tids waiting on this tid */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  38) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  39) 	/* log management */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  40) 	u32 logtid;		/* log transaction id */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  41) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  42) 	/* commit management */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  43) 	struct list_head cqueue;	/* commit queue list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  44) 	s32 clsn;		/* commit lsn */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  45) 	struct lbuf *bp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  46) 	s32 pn;			/* commit record log page number */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  47) 	s32 eor;		/* commit record eor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  48) 	wait_queue_head_t gcwait;	/* group commit event list:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  49) 					 * ready transactions wait on this
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  50) 					 * event for group commit completion.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  51) 					 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  52) 	union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  53) 		struct inode *ip; /* inode being deleted */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  54) 		pxd_t ixpxd;	/* pxd of inode extent for created inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  55) 	} u;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  56) 	u32 ino;		/* inode number being created */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  57) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  58) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  59) extern struct tblock *TxBlock;	/* transaction block table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  60) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  61) /* commit flags: tblk->xflag */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  62) #define	COMMIT_SYNC	0x0001	/* synchronous commit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  63) #define	COMMIT_FORCE	0x0002	/* force pageout at end of commit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  64) #define	COMMIT_FLUSH	0x0004	/* init flush at end of commit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  65) #define COMMIT_MAP	0x00f0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  66) #define	COMMIT_PMAP	0x0010	/* update pmap */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  67) #define	COMMIT_WMAP	0x0020	/* update wmap */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  68) #define	COMMIT_PWMAP	0x0040	/* update pwmap */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  69) #define	COMMIT_FREE	0x0f00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  70) #define	COMMIT_DELETE	0x0100	/* inode delete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  71) #define	COMMIT_TRUNCATE	0x0200	/* file truncation */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  72) #define	COMMIT_CREATE	0x0400	/* inode create */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  73) #define	COMMIT_LAZY	0x0800	/* lazy commit */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  74) #define COMMIT_PAGE	0x1000	/* Identifies element as metapage */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  75) #define COMMIT_INODE	0x2000	/* Identifies element as inode */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  76) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  77) /* group commit flags tblk->flag: see jfs_logmgr.h */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  78) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  79) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  80)  *	transaction lock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  81)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  82) struct tlock {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  83) 	lid_t next;		/* 2: index next lockword on tid locklist
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  84) 				 *	    next lockword on freelist
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  85) 				 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  86) 	tid_t tid;		/* 2: transaction id holding lock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  87) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  88) 	u16 flag;		/* 2: lock control */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  89) 	u16 type;		/* 2: log type */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  90) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  91) 	struct metapage *mp;	/* 4/8: object page buffer locked */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  92) 	struct inode *ip;	/* 4/8: object */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  93) 	/* (16) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  94) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  95) 	s16 lock[24];		/* 48: overlay area */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  96) };				/* (64) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  97) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  98) extern struct tlock *TxLock;	/* transaction lock table */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300  99) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101)  * tlock flag
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) /* txLock state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) #define tlckPAGELOCK		0x8000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) #define tlckINODELOCK		0x4000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) #define tlckLINELOCK		0x2000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) #define tlckINLINELOCK		0x1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) /* lmLog state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) #define tlckLOG			0x0800
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) /* updateMap state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) #define	tlckUPDATEMAP		0x0080
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112) #define	tlckDIRECTORY		0x0040
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) /* freeLock state */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) #define tlckFREELOCK		0x0008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) #define tlckWRITEPAGE		0x0004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) #define tlckFREEPAGE		0x0002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119)  * tlock type
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) #define	tlckTYPE		0xfe00
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) #define	tlckINODE		0x8000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) #define	tlckXTREE		0x4000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) #define	tlckDTREE		0x2000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) #define	tlckMAP			0x1000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) #define	tlckEA			0x0800
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) #define	tlckACL			0x0400
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128) #define	tlckDATA		0x0200
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) #define	tlckBTROOT		0x0100
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) #define	tlckOPERATION		0x00ff
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) #define tlckGROW		0x0001	/* file grow */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) #define tlckREMOVE		0x0002	/* file delete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) #define tlckTRUNCATE		0x0004	/* file truncate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) #define tlckRELOCATE		0x0008	/* file/directory relocate */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136) #define tlckENTRY		0x0001	/* directory insert/delete */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) #define tlckEXTEND		0x0002	/* directory extend in-line */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) #define tlckSPLIT		0x0010	/* splited page */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) #define tlckNEW			0x0020	/* new page from split */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) #define tlckFREE		0x0040	/* free page */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) #define tlckRELINK		0x0080	/* update sibling pointer */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)  *	linelock for lmLog()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146)  * note: linelock and its variations are overlaid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147)  * at tlock.lock: watch for alignment;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) struct lv {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) 	u8 offset;		/* 1: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) 	u8 length;		/* 1: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152) };				/* (2) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) #define	TLOCKSHORT	20
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) #define	TLOCKLONG	28
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) struct linelock {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) 	lid_t next;		/* 2: next linelock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160) 	s8 maxcnt;		/* 1: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) 	s8 index;		/* 1: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) 	u16 flag;		/* 2: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) 	u8 type;		/* 1: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) 	u8 l2linesize;		/* 1: log2 of linesize */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) 	/* (8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168) 	struct lv lv[20];	/* 40: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) };				/* (48) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) #define dt_lock	linelock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) struct xtlock {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) 	lid_t next;		/* 2: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176) 	s8 maxcnt;		/* 1: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) 	s8 index;		/* 1: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) 	u16 flag;		/* 2: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) 	u8 type;		/* 1: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) 	u8 l2linesize;		/* 1: log2 of linesize */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) 				/* (8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184) 	struct lv header;	/* 2: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) 	struct lv lwm;		/* 2: low water mark */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) 	struct lv hwm;		/* 2: high water mark */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) 	struct lv twm;		/* 2: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) 				/* (16) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) 	s32 pxdlock[8];		/* 32: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) };				/* (48) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195)  *	maplock for txUpdateMap()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197)  * note: maplock and its variations are overlaid
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198)  * at tlock.lock/linelock: watch for alignment;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199)  * N.B. next field may be set by linelock, and should not
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)  * be modified by maplock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201)  * N.B. index of the first pxdlock specifies index of next
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202)  * free maplock (i.e., number of maplock) in the tlock;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) struct maplock {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) 	lid_t next;		/* 2: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) 	u8 maxcnt;		/* 2: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208) 	u8 index;		/* 2: next free maplock index */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) 	u16 flag;		/* 2: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) 	u8 type;		/* 1: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) 	u8 count;		/* 1: number of pxd/xad */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) 				/* (8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) 	pxd_t pxd;		/* 8: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) };				/* (16): */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) /* maplock flag */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) #define	mlckALLOC		0x00f0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) #define	mlckALLOCXADLIST	0x0080
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) #define	mlckALLOCPXDLIST	0x0040
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) #define	mlckALLOCXAD		0x0020
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) #define	mlckALLOCPXD		0x0010
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) #define	mlckFREE		0x000f
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225) #define	mlckFREEXADLIST		0x0008
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) #define	mlckFREEPXDLIST		0x0004
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) #define	mlckFREEXAD		0x0002
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) #define	mlckFREEPXD		0x0001
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) #define	pxd_lock	maplock
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) struct xdlistlock {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) 	lid_t next;		/* 2: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) 	u8 maxcnt;		/* 2: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) 	u8 index;		/* 2: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) 	u16 flag;		/* 2: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) 	u8 type;		/* 1: */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) 	u8 count;		/* 1: number of pxd/xad */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) 				/* (8) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) 	/*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) 	 * We need xdlist to be 64 bits (8 bytes), regardless of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) 	 * whether void * is 32 or 64 bits
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) 	 */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) 	union {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) 		void *_xdlist;	/* pxd/xad list */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) 		s64 pad;	/* 8: Force 64-bit xdlist size */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) 	} union64;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) };				/* (16): */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) #define xdlist union64._xdlist
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256)  *	commit
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257)  *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258)  * parameter to the commit manager routines
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) struct commit {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261) 	tid_t tid;		/* tid = index of tblock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) 	int flag;		/* flags */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) 	struct jfs_log *log;	/* log */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) 	struct super_block *sb;	/* superblock */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266) 	int nip;		/* number of entries in iplist */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) 	struct inode **iplist;	/* list of pointers to inodes */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) 	/* log record descriptor on 64-bit boundary */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) 	struct lrd lrd;		/* : log record descriptor */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274)  * external declarations
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 275)  */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 276) extern int jfs_tlocks_low;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 277) 
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 278) extern int txInit(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 279) extern void txExit(void);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 280) extern struct tlock *txLock(tid_t, struct inode *, struct metapage *, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 281) extern struct tlock *txMaplock(tid_t, struct inode *, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 282) extern int txCommit(tid_t, int, struct inode **, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 283) extern tid_t txBegin(struct super_block *, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 284) extern void txBeginAnon(struct super_block *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 285) extern void txEnd(tid_t);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 286) extern void txAbort(tid_t, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 287) extern struct linelock *txLinelock(struct linelock *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 288) extern void txFreeMap(struct inode *, struct maplock *, struct tblock *, int);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 289) extern void txEA(tid_t, struct inode *, dxd_t *, dxd_t *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 290) extern void txFreelock(struct inode *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 291) extern int lmLog(struct jfs_log *, struct tblock *, struct lrd *,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 292) 		 struct tlock *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 293) extern void txQuiesce(struct super_block *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 294) extern void txResume(struct super_block *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 295) extern void txLazyUnlock(struct tblock *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 296) extern int jfs_lazycommit(void *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 297) extern int jfs_sync(void *);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 298) #endif				/* _H_JFS_TXNMGR */