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()
204 int diSync(struct inode *ipimap)  in diSync()  argument
207 	struct inomap *imp = JFS_IP(ipimap)->i_imap;  in diSync()
215 	mp = get_metapage(ipimap,  in diSync()
216 			  IMAPBLKNO << JFS_SBI(ipimap->i_sb)->l2nbperpage,  in diSync()
248 	filemap_write_and_wait(ipimap->i_mapping);  in diSync()
250 	diWriteSpecial(ipimap, 0);  in diSync()
293 	struct inode *ipimap;  in diRead()  local
306 	ipimap = sbi->ipimap;  in diRead()
307 	JFS_IP(ip)->ipimap = ipimap;  in diRead()
313 	imap = JFS_IP(ipimap)->i_imap;  in diRead()
314 	IREAD_LOCK(ipimap, RDWRLOCK_IMAP);  in diRead()
316 	IREAD_UNLOCK(ipimap);  in diRead()
363 	mp = read_metapage(ipimap, pageno << sbi->l2nbperpage, PSIZE, 1);  in diRead()
430 		JFS_IP(ip)->ipimap = sbi->ipaimap2;  in diReadSpecial()
433 		JFS_IP(ip)->ipimap = sbi->ipaimap;  in diReadSpecial()
471 	if ((inum == FILESYSTEM_I) && (JFS_IP(ip)->ipimap == sbi->ipaimap)) {  in diReadSpecial()
591 	struct inode *ipimap;  in diWrite()  local
599 	ipimap = jfs_ip->ipimap;  in diWrite()
605 	     JFS_IP(ipimap)->i_imap->im_nbperiext)) {  in diWrite()
635 	mp = read_metapage(ipimap, pageno << sbi->l2nbperpage, PSIZE, 1);  in diWrite()
650 	     txLock(tid, ipimap, mp, tlckINODE | tlckENTRY)) == NULL)  in diWrite()
850 	struct inode *ipimap = JFS_SBI(ip->i_sb)->ipimap;  in diFree()  local
851 	struct inomap *imap = JFS_IP(ipimap)->i_imap;  in diFree()
890 	IREAD_LOCK(ipimap, RDWRLOCK_IMAP);  in diFree()
895 		IREAD_UNLOCK(ipimap);  in diFree()
915 		IREAD_UNLOCK(ipimap);  in diFree()
927 		IREAD_UNLOCK(ipimap);  in diFree()
956 					IREAD_UNLOCK(ipimap);  in diFree()
978 		IREAD_UNLOCK(ipimap);  in diFree()
1111 	IREAD_UNLOCK(ipimap);  in diFree()
1227 	tid = txBegin(ipimap->i_sb, COMMIT_FORCE);  in diFree()
1228 	mutex_lock(&JFS_IP(ipimap)->commit_mutex);  in diFree()
1237 	tlck = txLock(tid, ipimap, mp, tlckINODE | tlckFREE);  in diFree()
1245 	iplist[0] = ipimap;  in diFree()
1261 	mutex_unlock(&JFS_IP(ipimap)->commit_mutex);  in diFree()
1269 	IREAD_UNLOCK(ipimap);  in diFree()
1324 	struct inode *ipimap;  in diAlloc()  local
1333 	ipimap = JFS_SBI(pip->i_sb)->ipimap;  in diAlloc()
1334 	imap = JFS_IP(ipimap)->i_imap;  in diAlloc()
1335 	JFS_IP(ip)->ipimap = ipimap;  in diAlloc()
1381 	IREAD_LOCK(ipimap, RDWRLOCK_IMAP);  in diAlloc()
1386 		IREAD_UNLOCK(ipimap);  in diAlloc()
1424 				IREAD_UNLOCK(ipimap);  in diAlloc()
1493 					IREAD_UNLOCK(ipimap);  in diAlloc()
1507 				IREAD_UNLOCK(ipimap);  in diAlloc()
1561 				IREAD_UNLOCK(ipimap);  in diAlloc()
1574 	IREAD_UNLOCK(ipimap);  in diAlloc()
2153 	struct inode *ipimap;  in diNewExt()  local
2170 	ipimap = imap->im_ipimap;  in diNewExt()
2171 	sbi = JFS_SBI(ipimap->i_sb);  in diNewExt()
2251 	if ((rc = dbAlloc(ipimap, hint, (s64) imap->im_nbperiext, &blkno)))  in diNewExt()
2265 		dmp = get_metapage(ipimap, blkno + i, PSIZE, 1);  in diNewExt()
2434 	struct inode *ipimap;  in diNewIAG()  local
2445 	ipimap = imap->im_ipimap;  in diNewIAG()
2446 	sb = ipimap->i_sb;  in diNewIAG()
2467 		IWRITE_LOCK(ipimap, RDWRLOCK_IMAP);  in diNewIAG()
2469 		if (ipimap->i_size >> L2PSIZE != imap->im_nextiag + 1) {  in diNewIAG()
2470 			IWRITE_UNLOCK(ipimap);  in diNewIAG()
2486 			IWRITE_UNLOCK(ipimap);  in diNewIAG()
2500 		if ((rc = dbAlloc(ipimap, 0, (s64) xlen, &xaddr))) {  in diNewIAG()
2502 			IWRITE_UNLOCK(ipimap);  in diNewIAG()
2512 		mutex_lock(&JFS_IP(ipimap)->commit_mutex);  in diNewIAG()
2516 		     xtInsert(tid, ipimap, 0, blkno, xlen, &xaddr, 0))) {  in diNewIAG()
2518 			mutex_unlock(&JFS_IP(ipimap)->commit_mutex);  in diNewIAG()
2522 			dbFree(ipimap, xaddr, (s64) xlen);  in diNewIAG()
2525 			IWRITE_UNLOCK(ipimap);  in diNewIAG()
2531 		ipimap->i_size += PSIZE;  in diNewIAG()
2532 		inode_add_bytes(ipimap, PSIZE);  in diNewIAG()
2535 		mp = get_metapage(ipimap, blkno, PSIZE, 0);  in diNewIAG()
2541 			xtTruncate(tid, ipimap, ipimap->i_size - PSIZE,  in diNewIAG()
2546 			mutex_unlock(&JFS_IP(ipimap)->commit_mutex);  in diNewIAG()
2549 			IWRITE_UNLOCK(ipimap);  in diNewIAG()
2581 		iplist[0] = ipimap;  in diNewIAG()
2585 		mutex_unlock(&JFS_IP(ipimap)->commit_mutex);  in diNewIAG()
2600 		diSync(ipimap);  in diNewIAG()
2603 		IWRITE_UNLOCK(ipimap);  in diNewIAG()
2607 	IREAD_LOCK(ipimap, RDWRLOCK_IMAP);  in diNewIAG()
2611 		IREAD_UNLOCK(ipimap);  in diNewIAG()
2655 	struct inode *ipimap = imap->im_ipimap;  in diIAGRead()  local
2659 	blkno = IAGTOLBLK(iagno, JFS_SBI(ipimap->i_sb)->l2nbperpage);  in diIAGRead()
2662 	*mpp = read_metapage(ipimap, blkno, PSIZE, 0);  in diIAGRead()
2715 diUpdatePMap(struct inode *ipimap,  in diUpdatePMap()  argument
2728 	imap = JFS_IP(ipimap)->i_imap;  in diUpdatePMap()
2733 		jfs_error(ipimap->i_sb, "the iag is outside the map\n");  in diUpdatePMap()
2737 	IREAD_LOCK(ipimap, RDWRLOCK_IMAP);  in diUpdatePMap()
2739 	IREAD_UNLOCK(ipimap);  in diUpdatePMap()
2761 			jfs_error(ipimap->i_sb,  in diUpdatePMap()
2766 			jfs_error(ipimap->i_sb,  in diUpdatePMap()
2782 			jfs_error(ipimap->i_sb,  in diUpdatePMap()
2788 			jfs_error(ipimap->i_sb,  in diUpdatePMap()
2837 int diExtendFS(struct inode *ipimap, struct inode *ipbmap)  in diExtendFS()  argument
2840 	struct inomap *imap = JFS_IP(ipimap)->i_imap;  in diExtendFS()
2881 			jfs_error(ipimap->i_sb, "unexpected value of iagnum\n");  in diExtendFS()
2957 		jfs_error(ipimap->i_sb, "numinos or numfree incorrect\n");  in diExtendFS()