152 int dbMount(struct inode *ipbmap)  in dbMount()  argument
168 	mp = read_metapage(ipbmap,  in dbMount()
169 			   BMAPBLKNO << JFS_SBI(ipbmap->i_sb)->l2nbperpage,  in dbMount()
199 	bmp->db_ipbmap = ipbmap;  in dbMount()
200 	JFS_SBI(ipbmap->i_sb)->bmap = bmp;  in dbMount()
229 int dbUnmount(struct inode *ipbmap, int mounterror)  in dbUnmount()  argument
231 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbUnmount()
233 	if (!(mounterror || isReadOnly(ipbmap)))  in dbUnmount()
234 		dbSync(ipbmap);  in dbUnmount()
239 	truncate_inode_pages(ipbmap->i_mapping, 0);  in dbUnmount()
250 int dbSync(struct inode *ipbmap)  in dbSync()  argument
253 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbSync()
261 	mp = read_metapage(ipbmap,  in dbSync()
262 			   BMAPBLKNO << JFS_SBI(ipbmap->i_sb)->l2nbperpage,  in dbSync()
293 	filemap_write_and_wait(ipbmap->i_mapping);  in dbSync()
295 	diWriteSpecial(ipbmap, 0);  in dbSync()
324 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbFree()  local
326 	struct super_block *sb = ipbmap->i_sb;  in dbFree()
328 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbFree()
332 		IREAD_UNLOCK(ipbmap);  in dbFree()
345 			jfs_issue_discard(ipbmap, blkno, nblocks);  in dbFree()
359 		mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbFree()
361 			IREAD_UNLOCK(ipbmap);  in dbFree()
375 			IREAD_UNLOCK(ipbmap);  in dbFree()
383 	IREAD_UNLOCK(ipbmap);  in dbFree()
411 dbUpdatePMap(struct inode *ipbmap,  in dbUpdatePMap()  argument
416 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbUpdatePMap()
430 		jfs_error(ipbmap->i_sb, "blocks are outside the map\n");  in dbUpdatePMap()
590 int dbNextAG(struct inode *ipbmap)  in dbNextAG()  argument
597 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbNextAG()
690 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbAlloc()  local
722 		IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
763 		IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
769 		mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbAlloc()
797 			IREAD_UNLOCK(ipbmap);  in dbAlloc()
827 		IREAD_UNLOCK(ipbmap);  in dbAlloc()
833 	IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
837 	IWRITE_UNLOCK(ipbmap);  in dbAlloc()
844 	agno = dbNextAG(ipbmap);  in dbAlloc()
845 	IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
854 	IWRITE_UNLOCK(ipbmap);  in dbAlloc()
859 	IREAD_UNLOCK(ipbmap);  in dbAlloc()
883 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbAllocExact()  local
889 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAllocExact()
899 		IREAD_UNLOCK(ipbmap);  in dbAllocExact()
905 		IREAD_UNLOCK(ipbmap);  in dbAllocExact()
911 	mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbAllocExact()
913 		IREAD_UNLOCK(ipbmap);  in dbAllocExact()
921 	IREAD_UNLOCK(ipbmap);  in dbAllocExact()
1021 	struct inode *ipbmap = sbi->ipbmap;  in dbExtend()  local
1039 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbExtend()
1044 		IREAD_UNLOCK(ipbmap);  in dbExtend()
1059 		IREAD_UNLOCK(ipbmap);  in dbExtend()
1067 	mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbExtend()
1069 		IREAD_UNLOCK(ipbmap);  in dbExtend()
1080 	IREAD_UNLOCK(ipbmap);  in dbExtend()
1608 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbDiscardAG()  local
1613 	struct super_block *sb = ipbmap->i_sb;  in dbDiscardAG()
1625 	IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbDiscardAG()
1634 		IWRITE_UNLOCK(ipbmap);  in dbDiscardAG()
1670 	IWRITE_UNLOCK(ipbmap);  in dbDiscardAG()
3201 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbAllocBottomUp()  local
3204 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAllocBottomUp()
3221 		mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbAllocBottomUp()
3223 			IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3236 			IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3244 	IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3371 int dbExtendFS(struct inode *ipbmap, s64 blkno,	s64 nblocks)  in dbExtendFS()  argument
3373 	struct jfs_sb_info *sbi = JFS_SBI(ipbmap->i_sb);  in dbExtendFS()
3455 	l2mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3457 		jfs_error(ipbmap->i_sb, "L2 page could not be read\n");  in dbExtendFS()
3474 			l1mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3486 			l1mp = get_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3506 				l0mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3520 				l0mp = get_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3542 					mp = read_metapage(ipbmap, p,  in dbExtendFS()
3549 					mp = read_metapage(ipbmap, p,  in dbExtendFS()
3622 	jfs_error(ipbmap->i_sb, "function has not returned as expected\n");  in dbExtendFS()
3643 void dbFinalizeBmap(struct inode *ipbmap)  in dbFinalizeBmap()  argument
3645 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbFinalizeBmap()
3691 			jfs_error(ipbmap->i_sb,  in dbFinalizeBmap()
4039 s64 dbMapFileSizeToMapSize(struct inode * ipbmap)  in dbMapFileSizeToMapSize()  argument
4041 	struct super_block *sb = ipbmap->i_sb;  in dbMapFileSizeToMapSize()
4047 	nblocks = ipbmap->i_size >> JFS_SBI(sb)->l2bsize;  in dbMapFileSizeToMapSize()