fs/ufs/balloc.c

38 			       struct ufs_cg_private_info *ucpi,
44 		ufs_clusteracct(sb, ucpi, fragment, delta);
48 	fs32_add(sb, &UFS_SB(sb)->fs_cs(ucpi->c_cgx).cs_nbfree, delta);
53 		fs16_add(sb, &ubh_cg_blks(ucpi, cylno,
55 		fs32_add(sb, &ubh_cg_blktot(ucpi, cylno), delta);
66 	struct ufs_cg_private_info * ucpi;
88 	ucpi = ufs_load_cylinder (sb, cgno);
89 	if (!ucpi)
91 	ucg = ubh_get_ucg (UCPI_UBH(ucpi));
99 	blkmap = ubh_blkmap (UCPI_UBH(ucpi), ucpi->c_freeoff, bbase);
102 		if (ubh_isclr (UCPI_UBH(ucpi), ucpi->c_freeoff, i))
103 			ubh_setbit (UCPI_UBH(ucpi), ucpi->c_freeoff, i);
113 	blkmap = ubh_blkmap (UCPI_UBH(ucpi), ucpi->c_freeoff, bbase);
119 	if (ubh_isblockset(uspi, ucpi, bbase)) {
123 		adjust_free_blocks(sb, ucg, ucpi, bbase, 1);
127 	ubh_mark_buffer_dirty (UCPI_UBH(ucpi));
129 		ubh_sync_block(UCPI_UBH(ucpi));
149 	struct ufs_cg_private_info * ucpi;
183 	ucpi = ufs_load_cylinder (sb, cgno);
184 	if (!ucpi)
186 	ucg = ubh_get_ucg (UCPI_UBH(ucpi));
193 		if (ubh_isblockset(uspi, ucpi, i)) {
196 		ubh_setblock(uspi, ucpi, i);
198 		adjust_free_blocks(sb, ucg, ucpi, i, 1);
202 	ubh_mark_buffer_dirty (UCPI_UBH(ucpi));
204 		ubh_sync_block(UCPI_UBH(ucpi));
502 	struct ufs_cg_private_info * ucpi;
518 	ucpi = ufs_load_cylinder (sb, cgno);
519 	if (!ucpi)
521 	ucg = ubh_get_ucg (UCPI_UBH(ucpi));
531 		if (ubh_isclr (UCPI_UBH(ucpi), ucpi->c_freeoff, fragno + i))
541 		if (ubh_isclr (UCPI_UBH(ucpi), ucpi->c_freeoff, fragno + i))
551 		ubh_clrbit (UCPI_UBH(ucpi), ucpi->c_freeoff, fragno + i);
558 	ubh_mark_buffer_dirty (UCPI_UBH(ucpi));
560 		ubh_sync_block(UCPI_UBH(ucpi));
581 	struct ufs_cg_private_info * ucpi;
624 	ucpi = ufs_load_cylinder (sb, cgno);
625 	if (!ucpi)
627 	ucg = ubh_get_ucg (UCPI_UBH(ucpi));
634 		result = ufs_alloccg_block (inode, ucpi, goal, err);
645 		result = ufs_alloccg_block (inode, ucpi, goal, err);
650 			ubh_setbit (UCPI_UBH(ucpi), ucpi->c_freeoff, goal + i);
661 	result = ufs_bitmap_search (sb, ucpi, goal, allocsize);
667 		ubh_clrbit (UCPI_UBH(ucpi), ucpi->c_freeoff, result + i);
679 	ubh_mark_buffer_dirty (UCPI_UBH(ucpi));
681 		ubh_sync_block(UCPI_UBH(ucpi));
690 			     struct ufs_cg_private_info *ucpi,
702 	ucg = ubh_get_ucg(UCPI_UBH(ucpi));
705 		goal = ucpi->c_rotor;
714 	if (ubh_isblockset(uspi, ucpi, goal)) {
720 	result = ufs_bitmap_search (sb, ucpi, goal, uspi->s_fpb);
723 	ucpi->c_rotor = result;
727 	ubh_clrblock(uspi, ucpi, result);
728 	adjust_free_blocks(sb, ucg, ucpi, result, -1);
766  * @ucpi: pointer to cylinder group info
771 			     struct ufs_cg_private_info *ucpi,
789 	UFSD("ENTER, cg %u, goal %llu, count %u\n", ucpi->c_cgx,
795 		start = ucpi->c_frotor >> 3;
798 	loc = ubh_scanc(uspi, UCPI_UBH(ucpi), ucpi->c_freeoff + start, length,
803 		loc = ubh_scanc(uspi, UCPI_UBH(ucpi), ucpi->c_freeoff, length,
811 				  ucpi->c_cgx, start, length, count,
812 				  ucpi->c_freeoff);
818 	ucpi->c_frotor = result;
825 		blockmap = ubh_blkmap(UCPI_UBH(ucpi), ucpi->c_freeoff, result);
841 		  ucpi->c_cgx);
847 	struct ufs_cg_private_info * ucpi, unsigned frag, int cnt)
857 		ubh_setbit(UCPI_UBH(ucpi), ucpi->c_clusteroff, blkno);
859 		ubh_clrbit(UCPI_UBH(ucpi), ucpi->c_clusteroff, blkno);
866 	if ( end >= ucpi->c_nclusterblks)
867 		end = ucpi->c_nclusterblks;
868 	i = ubh_find_next_zero_bit (UCPI_UBH(ucpi), ucpi->c_clusteroff, end, start);
880 	i = ubh_find_last_zero_bit (UCPI_UBH(ucpi), ucpi->c_clusteroff, start, end);
892 	fs32_add(sb, (__fs32*)ubh_get_addr(UCPI_UBH(ucpi), ucpi->c_clustersumoff + (i << 2)), cnt);
894 		fs32_sub(sb, (__fs32*)ubh_get_addr(UCPI_UBH(ucpi), ucpi->c_clustersumoff + (back << 2)), cnt);
896 		fs32_sub(sb, (__fs32*)ubh_get_addr(UCPI_UBH(ucpi), ucpi->c_clustersumoff + (forw << 2)), cnt);