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()
229 	bmp->db_ipbmap = ipbmap;  in dbMount()
230 	JFS_SBI(ipbmap->i_sb)->bmap = bmp;  in dbMount()
265 int dbUnmount(struct inode *ipbmap, int mounterror)  in dbUnmount()  argument
267 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbUnmount()
269 	if (!(mounterror || isReadOnly(ipbmap)))  in dbUnmount()
270 		dbSync(ipbmap);  in dbUnmount()
275 	truncate_inode_pages(ipbmap->i_mapping, 0);  in dbUnmount()
279 	JFS_SBI(ipbmap->i_sb)->bmap = NULL;  in dbUnmount()
287 int dbSync(struct inode *ipbmap)  in dbSync()  argument
290 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbSync()
298 	mp = read_metapage(ipbmap,  in dbSync()
299 			   BMAPBLKNO << JFS_SBI(ipbmap->i_sb)->l2nbperpage,  in dbSync()
330 	filemap_write_and_wait(ipbmap->i_mapping);  in dbSync()
332 	diWriteSpecial(ipbmap, 0);  in dbSync()
361 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbFree()  local
363 	struct super_block *sb = ipbmap->i_sb;  in dbFree()
365 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbFree()
369 		IREAD_UNLOCK(ipbmap);  in dbFree()
382 			jfs_issue_discard(ipbmap, blkno, nblocks);  in dbFree()
396 		mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbFree()
398 			IREAD_UNLOCK(ipbmap);  in dbFree()
412 			IREAD_UNLOCK(ipbmap);  in dbFree()
421 	IREAD_UNLOCK(ipbmap);  in dbFree()
449 dbUpdatePMap(struct inode *ipbmap,  in dbUpdatePMap()  argument
454 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbUpdatePMap()
468 		jfs_error(ipbmap->i_sb, "blocks are outside the map\n");  in dbUpdatePMap()
628 int dbNextAG(struct inode *ipbmap)  in dbNextAG()  argument
635 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbNextAG()
728 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbAlloc()  local
760 		IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
801 		IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
807 		mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbAlloc()
835 			IREAD_UNLOCK(ipbmap);  in dbAlloc()
865 		IREAD_UNLOCK(ipbmap);  in dbAlloc()
871 	IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
875 	IWRITE_UNLOCK(ipbmap);  in dbAlloc()
882 	agno = dbNextAG(ipbmap);  in dbAlloc()
883 	IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAlloc()
892 	IWRITE_UNLOCK(ipbmap);  in dbAlloc()
897 	IREAD_UNLOCK(ipbmap);  in dbAlloc()
991 	struct inode *ipbmap = sbi->ipbmap;  in dbExtend()  local
1009 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbExtend()
1014 		IREAD_UNLOCK(ipbmap);  in dbExtend()
1029 		IREAD_UNLOCK(ipbmap);  in dbExtend()
1037 	mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbExtend()
1039 		IREAD_UNLOCK(ipbmap);  in dbExtend()
1050 	IREAD_UNLOCK(ipbmap);  in dbExtend()
1578 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbDiscardAG()  local
1583 	struct super_block *sb = ipbmap->i_sb;  in dbDiscardAG()
1595 	IWRITE_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbDiscardAG()
1604 		IWRITE_UNLOCK(ipbmap);  in dbDiscardAG()
1642 	IWRITE_UNLOCK(ipbmap);  in dbDiscardAG()
3200 	struct inode *ipbmap = JFS_SBI(ip->i_sb)->ipbmap;  in dbAllocBottomUp()  local
3203 	IREAD_LOCK(ipbmap, RDWRLOCK_DMAP);  in dbAllocBottomUp()
3220 		mp = read_metapage(ipbmap, lblkno, PSIZE, 0);  in dbAllocBottomUp()
3222 			IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3235 			IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3243 	IREAD_UNLOCK(ipbmap);  in dbAllocBottomUp()
3370 int dbExtendFS(struct inode *ipbmap, s64 blkno,	s64 nblocks)  in dbExtendFS()  argument
3372 	struct jfs_sb_info *sbi = JFS_SBI(ipbmap->i_sb);  in dbExtendFS()
3454 	l2mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3456 		jfs_error(ipbmap->i_sb, "L2 page could not be read\n");  in dbExtendFS()
3473 			l1mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3485 			l1mp = get_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3505 				l0mp = read_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3519 				l0mp = get_metapage(ipbmap, p, PSIZE, 0);  in dbExtendFS()
3541 					mp = read_metapage(ipbmap, p,  in dbExtendFS()
3548 					mp = read_metapage(ipbmap, p,  in dbExtendFS()
3621 	jfs_error(ipbmap->i_sb, "function has not returned as expected\n");  in dbExtendFS()
3642 void dbFinalizeBmap(struct inode *ipbmap)  in dbFinalizeBmap()  argument
3644 	struct bmap *bmp = JFS_SBI(ipbmap->i_sb)->bmap;  in dbFinalizeBmap()
3690 			jfs_error(ipbmap->i_sb,  in dbFinalizeBmap()
4037 s64 dbMapFileSizeToMapSize(struct inode * ipbmap)  in dbMapFileSizeToMapSize()  argument
4039 	struct super_block *sb = ipbmap->i_sb;  in dbMapFileSizeToMapSize()
4045 	nblocks = ipbmap->i_size >> JFS_SBI(sb)->l2bsize;  in dbMapFileSizeToMapSize()