Lines Matching refs:bh
65 struct buffer_head *bh;
68 if ((bh = sb_bread(sb, start + offset)) == NULL) {
72 count_bits(bh->b_data, size - total, &total_free);
73 brelse(bh);
87 struct buffer_head *bh;
95 bh = sb_bread(sb, start);
96 if (bh == NULL) {
99 g = bh->b_data + (block % QNX4_BLOCK_SIZE);
107 brelse(bh);
116 struct buffer_head *bh;
123 bh = sb_bread(sb, start);
124 if (bh == NULL) {
127 g = bh->b_data + (block % QNX4_BLOCK_SIZE);
133 mark_buffer_dirty(bh);
134 brelse(bh);