25 	struct buffer_head *bh;  in count_free()  local
28 		if (!(bh=map[i]))   in count_free()
30 		for (j=0; j<bh->b_size; j++)  in count_free()
31 			sum += nibblemap[bh->b_data[j] & 0xf]  in count_free()
32 				+ nibblemap[(bh->b_data[j]>>4) & 0xf];  in count_free()
35 	if (numblocks==0 || !(bh=map[numblocks-1]))  in count_free()
37 	i = ((numbits - (numblocks-1) * bh->b_size * 8) / 16) * 2;  in count_free()
39 		sum += nibblemap[bh->b_data[j] & 0xf]  in count_free()
40 			+ nibblemap[(bh->b_data[j]>>4) & 0xf];  in count_free()
45 		i = *(__u16 *)(&bh->b_data[j]) | ~((1<<i) - 1);  in count_free()
56 	struct buffer_head *bh;  in minix_free_block()  local
71 	bh = sbi->s_zmap[zone];  in minix_free_block()
73 	if (!minix_test_and_clear_bit(bit, bh->b_data))  in minix_free_block()
77 	mark_buffer_dirty(bh);  in minix_free_block()
88 		struct buffer_head *bh = sbi->s_zmap[i];  in minix_new_block()  local
92 		j = minix_find_first_zero_bit(bh->b_data, bits_per_zone);  in minix_new_block()
94 			minix_set_bit(j, bh->b_data);  in minix_new_block()
96 			mark_buffer_dirty(bh);  in minix_new_block()
115 minix_V1_raw_inode(struct super_block *sb, ino_t ino, struct buffer_head **bh)  in minix_V1_raw_inode()  argument
129 	*bh = sb_bread(sb, block);  in minix_V1_raw_inode()
130 	if (!*bh) {  in minix_V1_raw_inode()
134 	p = (void *)(*bh)->b_data;  in minix_V1_raw_inode()
139 minix_V2_raw_inode(struct super_block *sb, ino_t ino, struct buffer_head **bh)  in minix_V2_raw_inode()  argument
146 	*bh = NULL;  in minix_V2_raw_inode()
155 	*bh = sb_bread(sb, block);  in minix_V2_raw_inode()
156 	if (!*bh) {  in minix_V2_raw_inode()
160 	p = (void *)(*bh)->b_data;  in minix_V2_raw_inode()
168 	struct buffer_head *bh = NULL;  in minix_clear_inode()  local
172 		raw_inode = minix_V1_raw_inode(inode->i_sb, inode->i_ino, &bh);  in minix_clear_inode()
179 		raw_inode = minix_V2_raw_inode(inode->i_sb, inode->i_ino, &bh);  in minix_clear_inode()
185 	if (bh) {  in minix_clear_inode()
186 		mark_buffer_dirty(bh);  in minix_clear_inode()
187 		brelse (bh);  in minix_clear_inode()
195 	struct buffer_head *bh;  in minix_free_inode()  local
213 	bh = sbi->s_imap[ino];  in minix_free_inode()
215 	if (!minix_test_and_clear_bit(bit, bh->b_data))  in minix_free_inode()
218 	mark_buffer_dirty(bh);  in minix_free_inode()
228 	struct buffer_head * bh;  in minix_new_inode()  local
238 	bh = NULL;  in minix_new_inode()
242 		bh = sbi->s_imap[i];  in minix_new_inode()
243 		j = minix_find_first_zero_bit(bh->b_data, bits_per_zone);  in minix_new_inode()
247 	if (!bh || j >= bits_per_zone) {  in minix_new_inode()
252 	if (minix_test_and_set_bit(j, bh->b_data)) {	/* shouldn't happen */  in minix_new_inode()
259 	mark_buffer_dirty(bh);  in minix_new_inode()