fs/jfs/jfs_dmap.c

106 static int dbInitDmapCtl(struct dmapctl * dcp, int level, int i);
1271  *		height of the dmapctl dmtree at which the nodes distinctly
1315 	struct dmapctl *dcp;
1372 	dcp = (struct dmapctl *) mp->data;
1376 		jfs_error(bmp->db_ipbmap->i_sb, "Corrupt dmapctl page\n");
1393 		jfs_error(bmp->db_ipbmap->i_sb, "Corrupt dmapctl page\n");
1559  *		- we write two times to the dmapctl and dmap pages
1685 	struct dmapctl *dcp;
1702 		dcp = (struct dmapctl *) mp->data;
1707 				  "Corrupt dmapctl page\n");
2441  *		is respresented by a single leaf of the current dmapctl
2444  *		split or joined.  the update may also cause the dmapctl's
2476 	struct dmapctl *dcp;
2486 	dcp = (struct dmapctl *) mp->data;
2489 		jfs_error(bmp->db_ipbmap->i_sb, "Corrupt dmapctl page\n");
2501 	 * maximum l2 free string described by this dmapctl).
2512 	 * dmapctl tree, if required.  similarly, dbJoin() will join
2514 	 * the dmapctl tree as required by the new leaf value.
3375 	struct dmapctl *l2dcp, *l1dcp, *l0dcp;
3456 	l2dcp = (struct dmapctl *) l2mp->data;
3473 			l1dcp = (struct dmapctl *) l1mp->data;
3486 			l1dcp = (struct dmapctl *) l1mp->data;
3505 				l0dcp = (struct dmapctl *) l0mp->data;
3520 				l0dcp = (struct dmapctl *) l0mp->data;
3694 	 * an ag is covered in aglevel dmapctl summary tree,
3862  * FUNCTION:	initialize binary buddy summary tree of a dmap or dmapctl.
3951  * function: initialize dmapctl page
3953 static int dbInitDmapCtl(struct dmapctl * dcp, int level, int i)
3966 	 * low level dmapctl or dmap).
4028  * convert number of map pages to the zero origin top dmapctl level