32 	struct ufs_sb_info * sbi = UFS_SB(sb);  in ufs_read_cylinder()  local
39 	uspi = sbi->s_uspi;  in ufs_read_cylinder()
40 	ucpi = sbi->s_ucpi[bitmap_nr];  in ufs_read_cylinder()
41 	ucg = (struct ufs_cylinder_group *)sbi->s_ucg[cgno]->b_data;  in ufs_read_cylinder()
48 	UCPI_UBH(ucpi)->bh[0] = sbi->s_ucg[cgno];  in ufs_read_cylinder()
52 	sbi->s_cgno[bitmap_nr] = cgno;  in ufs_read_cylinder()
74 		brelse (sbi->s_ucg[j]);  in ufs_read_cylinder()
75 	sbi->s_cgno[bitmap_nr] = UFS_CGNO_EMPTY;  in ufs_read_cylinder()
85 	struct ufs_sb_info * sbi = UFS_SB(sb);  in ufs_put_cylinder()  local
93 	uspi = sbi->s_uspi;  in ufs_put_cylinder()
94 	if (sbi->s_cgno[bitmap_nr] == UFS_CGNO_EMPTY) {  in ufs_put_cylinder()
98 	ucpi = sbi->s_ucpi[bitmap_nr];  in ufs_put_cylinder()
101 	if (uspi->s_ncg > UFS_MAX_GROUP_LOADED && bitmap_nr >= sbi->s_cg_loaded) {  in ufs_put_cylinder()
117 	sbi->s_cgno[bitmap_nr] = UFS_CGNO_EMPTY;  in ufs_put_cylinder()
130 	struct ufs_sb_info * sbi = UFS_SB(sb);  in ufs_load_cylinder()  local
137 	uspi = sbi->s_uspi;  in ufs_load_cylinder()
145 	if (sbi->s_cgno[0] == cgno) {  in ufs_load_cylinder()
147 		return sbi->s_ucpi[0];  in ufs_load_cylinder()
153 		if (sbi->s_cgno[cgno] != UFS_CGNO_EMPTY) {  in ufs_load_cylinder()
154 			if (sbi->s_cgno[cgno] != cgno) {  in ufs_load_cylinder()
161 				return sbi->s_ucpi[cgno];  in ufs_load_cylinder()
166 			return sbi->s_ucpi[cgno];  in ufs_load_cylinder()
173 	for (i = 0; i < sbi->s_cg_loaded && sbi->s_cgno[i] != cgno; i++);  in ufs_load_cylinder()
174 	if (i < sbi->s_cg_loaded && sbi->s_cgno[i] == cgno) {  in ufs_load_cylinder()
175 		cg = sbi->s_cgno[i];  in ufs_load_cylinder()
176 		ucpi = sbi->s_ucpi[i];  in ufs_load_cylinder()
178 			sbi->s_cgno[j] = sbi->s_cgno[j-1];  in ufs_load_cylinder()
179 			sbi->s_ucpi[j] = sbi->s_ucpi[j-1];  in ufs_load_cylinder()
181 		sbi->s_cgno[0] = cg;  in ufs_load_cylinder()
182 		sbi->s_ucpi[0] = ucpi;  in ufs_load_cylinder()
188 		if (sbi->s_cg_loaded < UFS_MAX_GROUP_LOADED)  in ufs_load_cylinder()
189 			sbi->s_cg_loaded++;  in ufs_load_cylinder()
192 		ucpi = sbi->s_ucpi[sbi->s_cg_loaded - 1];  in ufs_load_cylinder()
193 		for (j = sbi->s_cg_loaded - 1; j > 0; j--) {  in ufs_load_cylinder()
194 			sbi->s_cgno[j] = sbi->s_cgno[j-1];  in ufs_load_cylinder()
195 			sbi->s_ucpi[j] = sbi->s_ucpi[j-1];  in ufs_load_cylinder()
197 		sbi->s_ucpi[0] = ucpi;  in ufs_load_cylinder()
201 	return sbi->s_ucpi[0];  in ufs_load_cylinder()