107 int diMount(struct inode *ipimap)  in diMount()  argument
126 	mp = read_metapage(ipimap,  in diMount()
127 			   IMAPBLKNO << JFS_SBI(ipimap->i_sb)->l2nbperpage,  in diMount()
170 	imap->im_ipimap = ipimap;  in diMount()
171 	JFS_IP(ipimap)->i_imap = imap;  in diMount()
191 int diUnmount(struct inode *ipimap, int mounterror)  in diUnmount()  argument
193 	struct inomap *imap = JFS_IP(ipimap)->i_imap;  in diUnmount()
199 	if (!(mounterror || isReadOnly(ipimap)))  in diUnmount()
200 		diSync(ipimap);  in diUnmount()
205 	truncate_inode_pages(ipimap->i_mapping, 0);  in diUnmount()
219 int diSync(struct inode *ipimap)  in diSync()  argument
222 	struct inomap *imp = JFS_IP(ipimap)->i_imap;  in diSync()
230 	mp = get_metapage(ipimap,  in diSync()
231 			  IMAPBLKNO << JFS_SBI(ipimap->i_sb)->l2nbperpage,  in diSync()
263 	filemap_write_and_wait(ipimap->i_mapping);  in diSync()
265 	diWriteSpecial(ipimap, 0);  in diSync()
308 	struct inode *ipimap;  in diRead()  local
321 	ipimap = sbi->ipimap;  in diRead()
322 	JFS_IP(ip)->ipimap = ipimap;  in diRead()
328 	imap = JFS_IP(ipimap)->i_imap;  in diRead()
329 	IREAD_LOCK(ipimap, RDWRLOCK_IMAP);  in diRead()
331 	IREAD_UNLOCK(ipimap);  in diRead()
378 	mp = read_metapage(ipimap, pageno << sbi->l2nbperpage, PSIZE, 1);  in diRead()
445 		JFS_IP(ip)->ipimap = sbi->ipaimap2;  in diReadSpecial()
448 		JFS_IP(ip)->ipimap = sbi->ipaimap;  in diReadSpecial()
486 	if ((inum == FILESYSTEM_I) && (JFS_IP(ip)->ipimap == sbi->ipaimap)) {  in diReadSpecial()
606 	struct inode *ipimap;  in diWrite()  local
614 	ipimap = jfs_ip->ipimap;  in diWrite()
620 	     JFS_IP(ipimap)->i_imap->im_nbperiext)) {  in diWrite()
650 	mp = read_metapage(ipimap, pageno << sbi->l2nbperpage, PSIZE, 1);  in diWrite()
665 	     txLock(tid, ipimap, mp, tlckINODE | tlckENTRY)) == NULL)  in diWrite()
865 	struct inode *ipimap = JFS_SBI(ip->i_sb)->ipimap;  in diFree()  local
866 	struct inomap *imap = JFS_IP(ipimap)->i_imap;  in diFree()
905 	IREAD_LOCK(ipimap, RDWRLOCK_IMAP);  in diFree()
910 		IREAD_UNLOCK(ipimap);  in diFree()
930 		IREAD_UNLOCK(ipimap);  in diFree()
942 		IREAD_UNLOCK(ipimap);  in diFree()
971 					IREAD_UNLOCK(ipimap);  in diFree()
993 		IREAD_UNLOCK(ipimap);  in diFree()
1126 	IREAD_UNLOCK(ipimap);  in diFree()
1242 	tid = txBegin(ipimap->i_sb, COMMIT_FORCE);  in diFree()
1243 	mutex_lock(&JFS_IP(ipimap)->commit_mutex);  in diFree()
1252 	tlck = txLock(tid, ipimap, mp, tlckINODE | tlckFREE);  in diFree()
1260 	iplist[0] = ipimap;  in diFree()
1276 	mutex_unlock(&JFS_IP(ipimap)->commit_mutex);  in diFree()
1284 	IREAD_UNLOCK(ipimap);  in diFree()
1339 	struct inode *ipimap;  in diAlloc()  local
1348 	ipimap = JFS_SBI(pip->i_sb)->ipimap;  in diAlloc()
1349 	imap = JFS_IP(ipimap)->i_imap;  in diAlloc()
1350 	JFS_IP(ip)->ipimap = ipimap;  in diAlloc()
1396 	IREAD_LOCK(ipimap, RDWRLOCK_IMAP);  in diAlloc()
1401 		IREAD_UNLOCK(ipimap);  in diAlloc()
1439 				IREAD_UNLOCK(ipimap);  in diAlloc()
1508 					IREAD_UNLOCK(ipimap);  in diAlloc()
1522 				IREAD_UNLOCK(ipimap);  in diAlloc()
1576 				IREAD_UNLOCK(ipimap);  in diAlloc()
1589 	IREAD_UNLOCK(ipimap);  in diAlloc()
2168 	struct inode *ipimap;  in diNewExt()  local
2185 	ipimap = imap->im_ipimap;  in diNewExt()
2186 	sbi = JFS_SBI(ipimap->i_sb);  in diNewExt()
2266 	if ((rc = dbAlloc(ipimap, hint, (s64) imap->im_nbperiext, &blkno)))  in diNewExt()
2280 		dmp = get_metapage(ipimap, blkno + i, PSIZE, 1);  in diNewExt()
2449 	struct inode *ipimap;  in diNewIAG()  local
2460 	ipimap = imap->im_ipimap;  in diNewIAG()
2461 	sb = ipimap->i_sb;  in diNewIAG()
2482 		IWRITE_LOCK(ipimap, RDWRLOCK_IMAP);  in diNewIAG()
2484 		if (ipimap->i_size >> L2PSIZE != imap->im_nextiag + 1) {  in diNewIAG()
2485 			IWRITE_UNLOCK(ipimap);  in diNewIAG()
2501 			IWRITE_UNLOCK(ipimap);  in diNewIAG()
2515 		if ((rc = dbAlloc(ipimap, 0, (s64) xlen, &xaddr))) {  in diNewIAG()
2517 			IWRITE_UNLOCK(ipimap);  in diNewIAG()
2527 		mutex_lock(&JFS_IP(ipimap)->commit_mutex);  in diNewIAG()
2531 		     xtInsert(tid, ipimap, 0, blkno, xlen, &xaddr, 0))) {  in diNewIAG()
2533 			mutex_unlock(&JFS_IP(ipimap)->commit_mutex);  in diNewIAG()
2537 			dbFree(ipimap, xaddr, (s64) xlen);  in diNewIAG()
2540 			IWRITE_UNLOCK(ipimap);  in diNewIAG()
2546 		ipimap->i_size += PSIZE;  in diNewIAG()
2547 		inode_add_bytes(ipimap, PSIZE);  in diNewIAG()
2550 		mp = get_metapage(ipimap, blkno, PSIZE, 0);  in diNewIAG()
2556 			xtTruncate(tid, ipimap, ipimap->i_size - PSIZE,  in diNewIAG()
2561 			mutex_unlock(&JFS_IP(ipimap)->commit_mutex);  in diNewIAG()
2564 			IWRITE_UNLOCK(ipimap);  in diNewIAG()
2596 		iplist[0] = ipimap;  in diNewIAG()
2600 		mutex_unlock(&JFS_IP(ipimap)->commit_mutex);  in diNewIAG()
2615 		diSync(ipimap);  in diNewIAG()
2618 		IWRITE_UNLOCK(ipimap);  in diNewIAG()
2622 	IREAD_LOCK(ipimap, RDWRLOCK_IMAP);  in diNewIAG()
2626 		IREAD_UNLOCK(ipimap);  in diNewIAG()
2670 	struct inode *ipimap = imap->im_ipimap;  in diIAGRead()  local
2674 	blkno = IAGTOLBLK(iagno, JFS_SBI(ipimap->i_sb)->l2nbperpage);  in diIAGRead()
2677 	*mpp = read_metapage(ipimap, blkno, PSIZE, 0);  in diIAGRead()
2730 diUpdatePMap(struct inode *ipimap,  in diUpdatePMap()  argument
2743 	imap = JFS_IP(ipimap)->i_imap;  in diUpdatePMap()
2748 		jfs_error(ipimap->i_sb, "the iag is outside the map\n");  in diUpdatePMap()
2752 	IREAD_LOCK(ipimap, RDWRLOCK_IMAP);  in diUpdatePMap()
2754 	IREAD_UNLOCK(ipimap);  in diUpdatePMap()
2776 			jfs_error(ipimap->i_sb,  in diUpdatePMap()
2781 			jfs_error(ipimap->i_sb,  in diUpdatePMap()
2797 			jfs_error(ipimap->i_sb,  in diUpdatePMap()
2803 			jfs_error(ipimap->i_sb,  in diUpdatePMap()
2852 int diExtendFS(struct inode *ipimap, struct inode *ipbmap)  in diExtendFS()  argument
2855 	struct inomap *imap = JFS_IP(ipimap)->i_imap;  in diExtendFS()
2896 			jfs_error(ipimap->i_sb, "unexpected value of iagnum\n");  in diExtendFS()
2972 		jfs_error(ipimap->i_sb, "numinos or numfree incorrect\n");  in diExtendFS()