31 	struct ufs_sb_info * sbi = UFS_SB(sb);  in ufs_read_cylinder()  local
38 	uspi = sbi->s_uspi;  in ufs_read_cylinder()
39 	ucpi = sbi->s_ucpi[bitmap_nr];  in ufs_read_cylinder()
40 	ucg = (struct ufs_cylinder_group *)sbi->s_ucg[cgno]->b_data;  in ufs_read_cylinder()
47 	UCPI_UBH(ucpi)->bh[0] = sbi->s_ucg[cgno];  in ufs_read_cylinder()
51 	sbi->s_cgno[bitmap_nr] = cgno;  in ufs_read_cylinder()
73 		brelse (sbi->s_ucg[j]);  in ufs_read_cylinder()
74 	sbi->s_cgno[bitmap_nr] = UFS_CGNO_EMPTY;  in ufs_read_cylinder()
84 	struct ufs_sb_info * sbi = UFS_SB(sb);  in ufs_put_cylinder()  local
92 	uspi = sbi->s_uspi;  in ufs_put_cylinder()
93 	if (sbi->s_cgno[bitmap_nr] == UFS_CGNO_EMPTY) {  in ufs_put_cylinder()
97 	ucpi = sbi->s_ucpi[bitmap_nr];  in ufs_put_cylinder()
100 	if (uspi->s_ncg > UFS_MAX_GROUP_LOADED && bitmap_nr >= sbi->s_cg_loaded) {  in ufs_put_cylinder()
116 	sbi->s_cgno[bitmap_nr] = UFS_CGNO_EMPTY;  in ufs_put_cylinder()
129 	struct ufs_sb_info * sbi = UFS_SB(sb);  in ufs_load_cylinder()  local
136 	uspi = sbi->s_uspi;  in ufs_load_cylinder()
144 	if (sbi->s_cgno[0] == cgno) {  in ufs_load_cylinder()
146 		return sbi->s_ucpi[0];  in ufs_load_cylinder()
152 		if (sbi->s_cgno[cgno] != UFS_CGNO_EMPTY) {  in ufs_load_cylinder()
153 			if (sbi->s_cgno[cgno] != cgno) {  in ufs_load_cylinder()
160 				return sbi->s_ucpi[cgno];  in ufs_load_cylinder()
165 			return sbi->s_ucpi[cgno];  in ufs_load_cylinder()
172 	for (i = 0; i < sbi->s_cg_loaded && sbi->s_cgno[i] != cgno; i++);  in ufs_load_cylinder()
173 	if (i < sbi->s_cg_loaded && sbi->s_cgno[i] == cgno) {  in ufs_load_cylinder()
174 		cg = sbi->s_cgno[i];  in ufs_load_cylinder()
175 		ucpi = sbi->s_ucpi[i];  in ufs_load_cylinder()
177 			sbi->s_cgno[j] = sbi->s_cgno[j-1];  in ufs_load_cylinder()
178 			sbi->s_ucpi[j] = sbi->s_ucpi[j-1];  in ufs_load_cylinder()
180 		sbi->s_cgno[0] = cg;  in ufs_load_cylinder()
181 		sbi->s_ucpi[0] = ucpi;  in ufs_load_cylinder()
187 		if (sbi->s_cg_loaded < UFS_MAX_GROUP_LOADED)  in ufs_load_cylinder()
188 			sbi->s_cg_loaded++;  in ufs_load_cylinder()
191 		ucpi = sbi->s_ucpi[sbi->s_cg_loaded - 1];  in ufs_load_cylinder()
192 		for (j = sbi->s_cg_loaded - 1; j > 0; j--) {  in ufs_load_cylinder()
193 			sbi->s_cgno[j] = sbi->s_cgno[j-1];  in ufs_load_cylinder()
194 			sbi->s_ucpi[j] = sbi->s_ucpi[j-1];  in ufs_load_cylinder()
196 		sbi->s_ucpi[0] = ucpi;  in ufs_load_cylinder()
200 	return sbi->s_ucpi[0];  in ufs_load_cylinder()