165 int dbMount(struct inode *ipbmap)  in dbMount()  argument
181 	mp = read_metapage(ipbmap,  in dbMount()
182 			   BMAPBLKNO << JFS_SBI(ipbmap->i_sb)->l2nbperpage,  in dbMount()
212 	bmp->db_ipbmap = ipbmap;  in dbMount()
213 	JFS_SBI(ipbmap->i_sb)->bmap = bmp;  in dbMount()
242 int dbUnmount(struct inode *ipbmap, int mounterror)  in dbUnmount()  argument
244 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbUnmount()
246 	if (!(mounterror || isReadOnly(ipbmap)))  in dbUnmount()
247 		dbSync(ipbmap);  in dbUnmount()
252 	truncate_inode_pages(ipbmap->i_mapping, 0);  in dbUnmount()
263 int dbSync(struct inode *ipbmap)  in dbSync()  argument
266 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbSync()
274 	mp = read_metapage(ipbmap,  in dbSync()
275 			   BMAPBLKNO << JFS_SBI(ipbmap->i_sb)->l2nbperpage,  in dbSync()
306 	filemap_write_and_wait(ipbmap->i_mapping);  in dbSync()
308 	diWriteSpecial(ipbmap, 0);  in dbSync()
337 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbFree()  local
339 	struct super_block *sb = ipbmap->i_sb;  in dbFree()
341 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbFree()
345 		IREAD_UNLOCK(ipbmap);  in dbFree()
358 			jfs_issue_discard(ipbmap, blkno, nblocks);  in dbFree()
372 		mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbFree()
374 			IREAD_UNLOCK(ipbmap);  in dbFree()
388 			IREAD_UNLOCK(ipbmap);  in dbFree()
396 	IREAD_UNLOCK(ipbmap);  in dbFree()
424 dbUpdatePMap(struct inode *ipbmap,  in dbUpdatePMap()  argument
429 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbUpdatePMap()
443 		jfs_error(ipbmap->i_sb, "blocks are outside the map\n");  in dbUpdatePMap()
603 int dbNextAG(struct inode *ipbmap)  in dbNextAG()  argument
610 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbNextAG()
703 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbAlloc()  local
735 		IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
776 		IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
782 		mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbAlloc()
810 			IREAD_UNLOCK(ipbmap);  in dbAlloc()
840 		IREAD_UNLOCK(ipbmap);  in dbAlloc()
846 	IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
850 	IWRITE_UNLOCK(ipbmap);  in dbAlloc()
857 	agno = dbNextAG(ipbmap);  in dbAlloc()
858 	IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
867 	IWRITE_UNLOCK(ipbmap);  in dbAlloc()
872 	IREAD_UNLOCK(ipbmap);  in dbAlloc()
896 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbAllocExact()  local
902 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAllocExact()
912 		IREAD_UNLOCK(ipbmap);  in dbAllocExact()
918 		IREAD_UNLOCK(ipbmap);  in dbAllocExact()
924 	mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbAllocExact()
926 		IREAD_UNLOCK(ipbmap);  in dbAllocExact()
934 	IREAD_UNLOCK(ipbmap);  in dbAllocExact()
1034 	struct inode *ipbmap = sbi->ipbmap;  in dbExtend()  local
1052 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbExtend()
1057 		IREAD_UNLOCK(ipbmap);  in dbExtend()
1072 		IREAD_UNLOCK(ipbmap);  in dbExtend()
1080 	mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbExtend()
1082 		IREAD_UNLOCK(ipbmap);  in dbExtend()
1093 	IREAD_UNLOCK(ipbmap);  in dbExtend()
1621 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbDiscardAG()  local
1626 	struct super_block *sb = ipbmap->i_sb;  in dbDiscardAG()
1638 	IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbDiscardAG()
1647 		IWRITE_UNLOCK(ipbmap);  in dbDiscardAG()
1683 	IWRITE_UNLOCK(ipbmap);  in dbDiscardAG()
3214 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbAllocBottomUp()  local
3217 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAllocBottomUp()
3234 		mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbAllocBottomUp()
3236 			IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3249 			IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3257 	IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3384 int dbExtendFS(struct inode *ipbmap, s64 blkno,	s64 nblocks)  in dbExtendFS()  argument
3386 	struct jfs_sb_info *sbi = JFS_SBI(ipbmap->i_sb);  in dbExtendFS()
3468 	l2mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3470 		jfs_error(ipbmap->i_sb, "L2 page could not be read\n");  in dbExtendFS()
3487 			l1mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3499 			l1mp = get_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3519 				l0mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3533 				l0mp = get_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3555 					mp = read_metapage(ipbmap, p,  in dbExtendFS()
3562 					mp = read_metapage(ipbmap, p,  in dbExtendFS()
3635 	jfs_error(ipbmap->i_sb, "function has not returned as expected\n");  in dbExtendFS()
3656 void dbFinalizeBmap(struct inode *ipbmap)  in dbFinalizeBmap()  argument
3658 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbFinalizeBmap()
3704 			jfs_error(ipbmap->i_sb,  in dbFinalizeBmap()
4052 s64 dbMapFileSizeToMapSize(struct inode * ipbmap)  in dbMapFileSizeToMapSize()  argument
4054 	struct super_block *sb = ipbmap->i_sb;  in dbMapFileSizeToMapSize()
4060 	nblocks = ipbmap->i_size >> JFS_SBI(sb)->l2bsize;  in dbMapFileSizeToMapSize()