107 s64 dbMapFileSizeToMapSize(struct inode *ipbmap);
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()
338 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbFree()  local
341 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbFree()
345 		IREAD_UNLOCK(ipbmap);  in dbFree()
366 		mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbFree()
368 			IREAD_UNLOCK(ipbmap);  in dbFree()
382 			IREAD_UNLOCK(ipbmap);  in dbFree()
390 	IREAD_UNLOCK(ipbmap);  in dbFree()
418 dbUpdatePMap(struct inode *ipbmap,  in dbUpdatePMap()  argument
423 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbUpdatePMap()
437 		jfs_error(ipbmap->i_sb,  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()
891 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbAllocExact()  local
897 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAllocExact()
907 		IREAD_UNLOCK(ipbmap);  in dbAllocExact()
913 		IREAD_UNLOCK(ipbmap);  in dbAllocExact()
919 	mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbAllocExact()
921 		IREAD_UNLOCK(ipbmap);  in dbAllocExact()
929 	IREAD_UNLOCK(ipbmap);  in dbAllocExact()
1029 	struct inode *ipbmap = sbi->ipbmap;  in dbExtend()  local
1047 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbExtend()
1052 		IREAD_UNLOCK(ipbmap);  in dbExtend()
1068 		IREAD_UNLOCK(ipbmap);  in dbExtend()
1076 	mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbExtend()
1078 		IREAD_UNLOCK(ipbmap);  in dbExtend()
1089 	IREAD_UNLOCK(ipbmap);  in dbExtend()
3110 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbAllocBottomUp()  local
3113 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAllocBottomUp()
3130 		mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbAllocBottomUp()
3132 			IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3145 			IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3153 	IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3280 int dbExtendFS(struct inode *ipbmap, s64 blkno,	s64 nblocks)  in dbExtendFS()  argument
3282 	struct jfs_sb_info *sbi = JFS_SBI(ipbmap->i_sb);  in dbExtendFS()
3364 	l2mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3366 		jfs_error(ipbmap->i_sb, "dbExtendFS: L2 page could not be read");  in dbExtendFS()
3383 			l1mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3395 			l1mp = get_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3415 				l0mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3429 				l0mp = get_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3451 					mp = read_metapage(ipbmap, p,  in dbExtendFS()
3458 					mp = read_metapage(ipbmap, p,  in dbExtendFS()
3531 	jfs_error(ipbmap->i_sb,  in dbExtendFS()
3553 void dbFinalizeBmap(struct inode *ipbmap)  in dbFinalizeBmap()  argument
3555 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbFinalizeBmap()
3601 			jfs_error(ipbmap->i_sb,  in dbFinalizeBmap()
3949 s64 dbMapFileSizeToMapSize(struct inode * ipbmap)  in dbMapFileSizeToMapSize()  argument
3951 	struct super_block *sb = ipbmap->i_sb;  in dbMapFileSizeToMapSize()
3957 	nblocks = ipbmap->i_size >> JFS_SBI(sb)->l2bsize;  in dbMapFileSizeToMapSize()