94 int diMount(struct inode *ipimap)  in diMount()  argument
111 	mp = read_metapage(ipimap,  in diMount()
112 			   IMAPBLKNO << JFS_SBI(ipimap->i_sb)->l2nbperpage,  in diMount()
155 	imap->im_ipimap = ipimap;  in diMount()
156 	JFS_IP(ipimap)->i_imap = imap;  in diMount()
176 int diUnmount(struct inode *ipimap, int mounterror)  in diUnmount()  argument
178 	struct inomap *imap = JFS_IP(ipimap)->i_imap;  in diUnmount()
184 	if (!(mounterror || isReadOnly(ipimap)))  in diUnmount()
185 		diSync(ipimap);  in diUnmount()
190 	truncate_inode_pages(ipimap->i_mapping, 0);  in diUnmount()
196 	JFS_IP(ipimap)->i_imap = NULL;  in diUnmount()
205 int diSync(struct inode *ipimap)  in diSync()  argument
208 	struct inomap *imp = JFS_IP(ipimap)->i_imap;  in diSync()
216 	mp = get_metapage(ipimap,  in diSync()
217 			  IMAPBLKNO << JFS_SBI(ipimap->i_sb)->l2nbperpage,  in diSync()
249 	filemap_write_and_wait(ipimap->i_mapping);  in diSync()
251 	diWriteSpecial(ipimap, 0);  in diSync()
294 	struct inode *ipimap;  in diRead()  local
307 	ipimap = sbi->ipimap;  in diRead()
308 	JFS_IP(ip)->ipimap = ipimap;  in diRead()
314 	IREAD_LOCK(ipimap, RDWRLOCK_IMAP);  in diRead()
315 	imap = JFS_IP(ipimap)->i_imap;  in diRead()
317 	IREAD_UNLOCK(ipimap);  in diRead()
367 	mp = read_metapage(ipimap, pageno << sbi->l2nbperpage, PSIZE, 1);  in diRead()
434 		JFS_IP(ip)->ipimap = sbi->ipaimap2;  in diReadSpecial()
437 		JFS_IP(ip)->ipimap = sbi->ipaimap;  in diReadSpecial()
475 	if ((inum == FILESYSTEM_I) && (JFS_IP(ip)->ipimap == sbi->ipaimap)) {  in diReadSpecial()
595 	struct inode *ipimap;  in diWrite()  local
603 	ipimap = jfs_ip->ipimap;  in diWrite()
609 	     JFS_IP(ipimap)->i_imap->im_nbperiext)) {  in diWrite()
639 	mp = read_metapage(ipimap, pageno << sbi->l2nbperpage, PSIZE, 1);  in diWrite()
654 	     txLock(tid, ipimap, mp, tlckINODE | tlckENTRY)) == NULL)  in diWrite()
854 	struct inode *ipimap = JFS_SBI(ip->i_sb)->ipimap;  in diFree()  local
855 	struct inomap *imap = JFS_IP(ipimap)->i_imap;  in diFree()
894 	IREAD_LOCK(ipimap, RDWRLOCK_IMAP);  in diFree()
899 		IREAD_UNLOCK(ipimap);  in diFree()
919 		IREAD_UNLOCK(ipimap);  in diFree()
931 		IREAD_UNLOCK(ipimap);  in diFree()
960 					IREAD_UNLOCK(ipimap);  in diFree()
982 		IREAD_UNLOCK(ipimap);  in diFree()
1115 	IREAD_UNLOCK(ipimap);  in diFree()
1231 	tid = txBegin(ipimap->i_sb, COMMIT_FORCE);  in diFree()
1232 	mutex_lock(&JFS_IP(ipimap)->commit_mutex);  in diFree()
1241 	tlck = txLock(tid, ipimap, mp, tlckINODE | tlckFREE);  in diFree()
1249 	iplist[0] = ipimap;  in diFree()
1265 	mutex_unlock(&JFS_IP(ipimap)->commit_mutex);  in diFree()
1273 	IREAD_UNLOCK(ipimap);  in diFree()
1328 	struct inode *ipimap;  in diAlloc()  local
1337 	ipimap = JFS_SBI(pip->i_sb)->ipimap;  in diAlloc()
1338 	imap = JFS_IP(ipimap)->i_imap;  in diAlloc()
1339 	JFS_IP(ip)->ipimap = ipimap;  in diAlloc()
1388 	IREAD_LOCK(ipimap, RDWRLOCK_IMAP);  in diAlloc()
1393 		IREAD_UNLOCK(ipimap);  in diAlloc()
1431 				IREAD_UNLOCK(ipimap);  in diAlloc()
1500 					IREAD_UNLOCK(ipimap);  in diAlloc()
1514 				IREAD_UNLOCK(ipimap);  in diAlloc()
1568 				IREAD_UNLOCK(ipimap);  in diAlloc()
1581 	IREAD_UNLOCK(ipimap);  in diAlloc()
2160 	struct inode *ipimap;  in diNewExt()  local
2177 	ipimap = imap->im_ipimap;  in diNewExt()
2178 	sbi = JFS_SBI(ipimap->i_sb);  in diNewExt()
2261 	if ((rc = dbAlloc(ipimap, hint, (s64) imap->im_nbperiext, &blkno)))  in diNewExt()
2275 		dmp = get_metapage(ipimap, blkno + i, PSIZE, 1);  in diNewExt()
2444 	struct inode *ipimap;  in diNewIAG()  local
2455 	ipimap = imap->im_ipimap;  in diNewIAG()
2456 	sb = ipimap->i_sb;  in diNewIAG()
2477 		IWRITE_LOCK(ipimap, RDWRLOCK_IMAP);  in diNewIAG()
2479 		if (ipimap->i_size >> L2PSIZE != imap->im_nextiag + 1) {  in diNewIAG()
2480 			IWRITE_UNLOCK(ipimap);  in diNewIAG()
2496 			IWRITE_UNLOCK(ipimap);  in diNewIAG()
2510 		if ((rc = dbAlloc(ipimap, 0, (s64) xlen, &xaddr))) {  in diNewIAG()
2512 			IWRITE_UNLOCK(ipimap);  in diNewIAG()
2522 		mutex_lock(&JFS_IP(ipimap)->commit_mutex);  in diNewIAG()
2526 		     xtInsert(tid, ipimap, 0, blkno, xlen, &xaddr, 0))) {  in diNewIAG()
2528 			mutex_unlock(&JFS_IP(ipimap)->commit_mutex);  in diNewIAG()
2532 			dbFree(ipimap, xaddr, (s64) xlen);  in diNewIAG()
2535 			IWRITE_UNLOCK(ipimap);  in diNewIAG()
2541 		ipimap->i_size += PSIZE;  in diNewIAG()
2542 		inode_add_bytes(ipimap, PSIZE);  in diNewIAG()
2545 		mp = get_metapage(ipimap, blkno, PSIZE, 0);  in diNewIAG()
2551 			xtTruncate(tid, ipimap, ipimap->i_size - PSIZE,  in diNewIAG()
2556 			mutex_unlock(&JFS_IP(ipimap)->commit_mutex);  in diNewIAG()
2559 			IWRITE_UNLOCK(ipimap);  in diNewIAG()
2591 		iplist[0] = ipimap;  in diNewIAG()
2595 		mutex_unlock(&JFS_IP(ipimap)->commit_mutex);  in diNewIAG()
2610 		diSync(ipimap);  in diNewIAG()
2613 		IWRITE_UNLOCK(ipimap);  in diNewIAG()
2617 	IREAD_LOCK(ipimap, RDWRLOCK_IMAP);  in diNewIAG()
2621 		IREAD_UNLOCK(ipimap);  in diNewIAG()
2665 	struct inode *ipimap = imap->im_ipimap;  in diIAGRead()  local
2669 	blkno = IAGTOLBLK(iagno, JFS_SBI(ipimap->i_sb)->l2nbperpage);  in diIAGRead()
2672 	*mpp = read_metapage(ipimap, blkno, PSIZE, 0);  in diIAGRead()
2725 diUpdatePMap(struct inode *ipimap,  in diUpdatePMap()  argument
2738 	imap = JFS_IP(ipimap)->i_imap;  in diUpdatePMap()
2743 		jfs_error(ipimap->i_sb, "the iag is outside the map\n");  in diUpdatePMap()
2747 	IREAD_LOCK(ipimap, RDWRLOCK_IMAP);  in diUpdatePMap()
2749 	IREAD_UNLOCK(ipimap);  in diUpdatePMap()
2771 			jfs_error(ipimap->i_sb,  in diUpdatePMap()
2776 			jfs_error(ipimap->i_sb,  in diUpdatePMap()
2792 			jfs_error(ipimap->i_sb,  in diUpdatePMap()
2798 			jfs_error(ipimap->i_sb,  in diUpdatePMap()
2847 int diExtendFS(struct inode *ipimap, struct inode *ipbmap)  in diExtendFS()  argument
2850 	struct inomap *imap = JFS_IP(ipimap)->i_imap;  in diExtendFS()
2891 			jfs_error(ipimap->i_sb, "unexpected value of iagnum\n");  in diExtendFS()
2967 		jfs_error(ipimap->i_sb, "numinos or numfree incorrect\n");  in diExtendFS()