/*
- * Copyright (c) International Business Machines Corp., 2000-2002
+ * Copyright (C) International Business Machines Corp., 2000-2004
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
+ * the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
- *
+ *
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
* the GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
+ * along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _H_JFS_TXNMGR
u32 logtid; /* log transaction id */
/* commit management */
- struct tblock *cqnext; /* commit queue link */
+ struct list_head cqueue; /* commit queue list */
s32 clsn; /* commit lsn */
struct lbuf *bp;
s32 pn; /* commit record log page number */
* transaction lock
*/
struct tlock {
- lid_t next; /* index next lockword on tid locklist
+ lid_t next; /* 2: index next lockword on tid locklist
* next lockword on freelist
*/
- tid_t tid; /* transaction id holding lock */
+ tid_t tid; /* 2: transaction id holding lock */
u16 flag; /* 2: lock control */
u16 type; /* 2: log type */
- struct metapage *mp; /* 4: object page buffer locked */
- struct inode *ip; /* 4: object */
+ struct metapage *mp; /* 4/8: object page buffer locked */
+ struct inode *ip; /* 4/8: object */
/* (16) */
s16 lock[24]; /* 48: overlay area */
#define tlckLOG 0x0800
/* updateMap state */
#define tlckUPDATEMAP 0x0080
+#define tlckDIRECTORY 0x0040
/* freeLock state */
#define tlckFREELOCK 0x0008
#define tlckWRITEPAGE 0x0004
#define TLOCKLONG 28
struct linelock {
- u16 next; /* 2: next linelock */
+ lid_t next; /* 2: next linelock */
s8 maxcnt; /* 1: */
s8 index; /* 1: */
/* (8) */
struct lv lv[20]; /* 40: */
-}; /* (48) */
+}; /* (48) */
#define dt_lock linelock
struct xtlock {
- u16 next; /* 2: */
+ lid_t next; /* 2: */
s8 maxcnt; /* 1: */
s8 index; /* 1: */
* at tlock.lock/linelock: watch for alignment;
* N.B. next field may be set by linelock, and should not
* be modified by maplock;
- * N.B. index of the first pxdlock specifies index of next
- * free maplock (i.e., number of maplock) in the tlock;
+ * N.B. index of the first pxdlock specifies index of next
+ * free maplock (i.e., number of maplock) in the tlock;
*/
struct maplock {
- u16 next; /* 2: */
+ lid_t next; /* 2: */
u8 maxcnt; /* 2: */
u8 index; /* 2: next free maplock index */
#define pxd_lock maplock
struct xdlistlock {
- u16 next; /* 2: */
+ lid_t next; /* 2: */
u8 maxcnt; /* 2: */
u8 index; /* 2: */
/*
* external declarations
*/
-extern struct tlock *txLock(tid_t tid, struct inode *ip, struct metapage *mp,
- int flag);
-
-extern struct tlock *txMaplock(tid_t tid, struct inode *ip, int flag);
-
-extern int txCommit(tid_t tid, int nip, struct inode **iplist, int flag);
-
-extern tid_t txBegin(struct super_block *sb, int flag);
-
-extern void txBeginAnon(struct super_block *sb);
-
-extern void txEnd(tid_t tid);
-
-extern void txAbort(tid_t tid, int dirty);
-
-extern struct linelock *txLinelock(struct linelock * tlock);
-
-extern void txFreeMap(struct inode *ip, struct maplock * maplock,
- struct tblock * tblk, int maptype);
-
-extern void txEA(tid_t tid, struct inode *ip, dxd_t * oldea, dxd_t * newea);
-
-extern void txFreelock(struct inode *ip);
-
-extern int lmLog(struct jfs_log * log, struct tblock * tblk, struct lrd * lrd,
- struct tlock * tlck);
-
-extern void txQuiesce(struct super_block *sb);
-
-extern void txResume(struct super_block *sb);
+extern int jfs_tlocks_low;
+
+extern int txInit(void);
+extern void txExit(void);
+extern struct tlock *txLock(tid_t, struct inode *, struct metapage *, int);
+extern struct tlock *txMaplock(tid_t, struct inode *, int);
+extern int txCommit(tid_t, int, struct inode **, int);
+extern tid_t txBegin(struct super_block *, int);
+extern void txBeginAnon(struct super_block *);
+extern void txEnd(tid_t);
+extern void txAbort(tid_t, int);
+extern struct linelock *txLinelock(struct linelock *);
+extern void txFreeMap(struct inode *, struct maplock *, struct tblock *, int);
+extern void txEA(tid_t, struct inode *, dxd_t *, dxd_t *);
+extern void txFreelock(struct inode *);
+extern int lmLog(struct jfs_log *, struct tblock *, struct lrd *,
+ struct tlock *);
+extern void txQuiesce(struct super_block *);
+extern void txResume(struct super_block *);
+extern void txLazyUnlock(struct tblock *);
+extern int jfs_lazycommit(void *);
+extern int jfs_sync(void *);
#endif /* _H_JFS_TXNMGR */
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