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()
206 	bmp->db_ipbmap = ipbmap;  in dbMount()
207 	JFS_SBI(ipbmap->i_sb)->bmap = bmp;  in dbMount()
236 int dbUnmount(struct inode *ipbmap, int mounterror)  in dbUnmount()  argument
238 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbUnmount()
240 	if (!(mounterror || isReadOnly(ipbmap)))  in dbUnmount()
241 		dbSync(ipbmap);  in dbUnmount()
246 	truncate_inode_pages(ipbmap->i_mapping, 0);  in dbUnmount()
257 int dbSync(struct inode *ipbmap)  in dbSync()  argument
260 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbSync()
268 	mp = read_metapage(ipbmap,  in dbSync()
269 			   BMAPBLKNO << JFS_SBI(ipbmap->i_sb)->l2nbperpage,  in dbSync()
300 	filemap_write_and_wait(ipbmap->i_mapping);  in dbSync()
302 	diWriteSpecial(ipbmap, 0);  in dbSync()
331 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbFree()  local
333 	struct super_block *sb = ipbmap->i_sb;  in dbFree()
335 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbFree()
339 		IREAD_UNLOCK(ipbmap);  in dbFree()
352 			jfs_issue_discard(ipbmap, blkno, nblocks);  in dbFree()
366 		mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbFree()
368 			IREAD_UNLOCK(ipbmap);  in dbFree()
382 			IREAD_UNLOCK(ipbmap);  in dbFree()
391 	IREAD_UNLOCK(ipbmap);  in dbFree()
419 dbUpdatePMap(struct inode *ipbmap,  in dbUpdatePMap()  argument
424 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbUpdatePMap()
438 		jfs_error(ipbmap->i_sb, "blocks are outside the map\n");  in dbUpdatePMap()
598 int dbNextAG(struct inode *ipbmap)  in dbNextAG()  argument
605 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbNextAG()
698 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbAlloc()  local
730 		IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
771 		IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
777 		mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbAlloc()
805 			IREAD_UNLOCK(ipbmap);  in dbAlloc()
835 		IREAD_UNLOCK(ipbmap);  in dbAlloc()
841 	IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
845 	IWRITE_UNLOCK(ipbmap);  in dbAlloc()
852 	agno = dbNextAG(ipbmap);  in dbAlloc()
853 	IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
862 	IWRITE_UNLOCK(ipbmap);  in dbAlloc()
867 	IREAD_UNLOCK(ipbmap);  in dbAlloc()
961 	struct inode *ipbmap = sbi->ipbmap;  in dbExtend()  local
979 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbExtend()
984 		IREAD_UNLOCK(ipbmap);  in dbExtend()
999 		IREAD_UNLOCK(ipbmap);  in dbExtend()
1007 	mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbExtend()
1009 		IREAD_UNLOCK(ipbmap);  in dbExtend()
1020 	IREAD_UNLOCK(ipbmap);  in dbExtend()
1548 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbDiscardAG()  local
1553 	struct super_block *sb = ipbmap->i_sb;  in dbDiscardAG()
1565 	IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbDiscardAG()
1574 		IWRITE_UNLOCK(ipbmap);  in dbDiscardAG()
1610 	IWRITE_UNLOCK(ipbmap);  in dbDiscardAG()
3145 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbAllocBottomUp()  local
3148 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAllocBottomUp()
3165 		mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbAllocBottomUp()
3167 			IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3180 			IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3188 	IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3315 int dbExtendFS(struct inode *ipbmap, s64 blkno,	s64 nblocks)  in dbExtendFS()  argument
3317 	struct jfs_sb_info *sbi = JFS_SBI(ipbmap->i_sb);  in dbExtendFS()
3399 	l2mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3401 		jfs_error(ipbmap->i_sb, "L2 page could not be read\n");  in dbExtendFS()
3418 			l1mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3430 			l1mp = get_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3450 				l0mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3464 				l0mp = get_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3486 					mp = read_metapage(ipbmap, p,  in dbExtendFS()
3493 					mp = read_metapage(ipbmap, p,  in dbExtendFS()
3566 	jfs_error(ipbmap->i_sb, "function has not returned as expected\n");  in dbExtendFS()
3587 void dbFinalizeBmap(struct inode *ipbmap)  in dbFinalizeBmap()  argument
3589 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbFinalizeBmap()
3635 			jfs_error(ipbmap->i_sb,  in dbFinalizeBmap()
3982 s64 dbMapFileSizeToMapSize(struct inode * ipbmap)  in dbMapFileSizeToMapSize()  argument
3984 	struct super_block *sb = ipbmap->i_sb;  in dbMapFileSizeToMapSize()
3990 	nblocks = ipbmap->i_size >> JFS_SBI(sb)->l2bsize;  in dbMapFileSizeToMapSize()