153 int dbMount(struct inode *ipbmap)  in dbMount()  argument
169 	mp = read_metapage(ipbmap,  in dbMount()
170 			   BMAPBLKNO << JFS_SBI(ipbmap->i_sb)->l2nbperpage,  in dbMount()
222 	bmp->db_ipbmap = ipbmap;  in dbMount()
223 	JFS_SBI(ipbmap->i_sb)->bmap = bmp;  in dbMount()
258 int dbUnmount(struct inode *ipbmap, int mounterror)  in dbUnmount()  argument
260 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbUnmount()
262 	if (!(mounterror || isReadOnly(ipbmap)))  in dbUnmount()
263 		dbSync(ipbmap);  in dbUnmount()
268 	truncate_inode_pages(ipbmap->i_mapping, 0);  in dbUnmount()
272 	JFS_SBI(ipbmap->i_sb)->bmap = NULL;  in dbUnmount()
280 int dbSync(struct inode *ipbmap)  in dbSync()  argument
283 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbSync()
291 	mp = read_metapage(ipbmap,  in dbSync()
292 			   BMAPBLKNO << JFS_SBI(ipbmap->i_sb)->l2nbperpage,  in dbSync()
323 	filemap_write_and_wait(ipbmap->i_mapping);  in dbSync()
325 	diWriteSpecial(ipbmap, 0);  in dbSync()
354 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbFree()  local
356 	struct super_block *sb = ipbmap->i_sb;  in dbFree()
358 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbFree()
362 		IREAD_UNLOCK(ipbmap);  in dbFree()
375 			jfs_issue_discard(ipbmap, blkno, nblocks);  in dbFree()
389 		mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbFree()
391 			IREAD_UNLOCK(ipbmap);  in dbFree()
405 			IREAD_UNLOCK(ipbmap);  in dbFree()
414 	IREAD_UNLOCK(ipbmap);  in dbFree()
442 dbUpdatePMap(struct inode *ipbmap,  in dbUpdatePMap()  argument
447 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbUpdatePMap()
461 		jfs_error(ipbmap->i_sb, "blocks are outside the map\n");  in dbUpdatePMap()
621 int dbNextAG(struct inode *ipbmap)  in dbNextAG()  argument
628 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbNextAG()
721 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbAlloc()  local
753 		IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
794 		IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
800 		mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbAlloc()
828 			IREAD_UNLOCK(ipbmap);  in dbAlloc()
858 		IREAD_UNLOCK(ipbmap);  in dbAlloc()
864 	IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
868 	IWRITE_UNLOCK(ipbmap);  in dbAlloc()
875 	agno = dbNextAG(ipbmap);  in dbAlloc()
876 	IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
885 	IWRITE_UNLOCK(ipbmap);  in dbAlloc()
890 	IREAD_UNLOCK(ipbmap);  in dbAlloc()
984 	struct inode *ipbmap = sbi->ipbmap;  in dbExtend()  local
1002 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbExtend()
1007 		IREAD_UNLOCK(ipbmap);  in dbExtend()
1022 		IREAD_UNLOCK(ipbmap);  in dbExtend()
1030 	mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbExtend()
1032 		IREAD_UNLOCK(ipbmap);  in dbExtend()
1043 	IREAD_UNLOCK(ipbmap);  in dbExtend()
1571 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbDiscardAG()  local
1576 	struct super_block *sb = ipbmap->i_sb;  in dbDiscardAG()
1588 	IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbDiscardAG()
1597 		IWRITE_UNLOCK(ipbmap);  in dbDiscardAG()
1633 	IWRITE_UNLOCK(ipbmap);  in dbDiscardAG()
3171 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbAllocBottomUp()  local
3174 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAllocBottomUp()
3191 		mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbAllocBottomUp()
3193 			IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3206 			IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3214 	IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3341 int dbExtendFS(struct inode *ipbmap, s64 blkno,	s64 nblocks)  in dbExtendFS()  argument
3343 	struct jfs_sb_info *sbi = JFS_SBI(ipbmap->i_sb);  in dbExtendFS()
3425 	l2mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3427 		jfs_error(ipbmap->i_sb, "L2 page could not be read\n");  in dbExtendFS()
3444 			l1mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3456 			l1mp = get_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3476 				l0mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3490 				l0mp = get_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3512 					mp = read_metapage(ipbmap, p,  in dbExtendFS()
3519 					mp = read_metapage(ipbmap, p,  in dbExtendFS()
3592 	jfs_error(ipbmap->i_sb, "function has not returned as expected\n");  in dbExtendFS()
3613 void dbFinalizeBmap(struct inode *ipbmap)  in dbFinalizeBmap()  argument
3615 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbFinalizeBmap()
3661 			jfs_error(ipbmap->i_sb,  in dbFinalizeBmap()
4008 s64 dbMapFileSizeToMapSize(struct inode * ipbmap)  in dbMapFileSizeToMapSize()  argument
4010 	struct super_block *sb = ipbmap->i_sb;  in dbMapFileSizeToMapSize()
4016 	nblocks = ipbmap->i_size >> JFS_SBI(sb)->l2bsize;  in dbMapFileSizeToMapSize()