93 	struct buffer_head *bh;  in get_block_length()  local
95 	if (!(bh = sb_bread(s, *cur_index)))  in get_block_length()
101 				(bh->b_data + *offset));  in get_block_length()
104 				(bh->b_data + *offset));  in get_block_length()
105 		brelse(bh);  in get_block_length()
106 		if (!(bh = sb_bread(s, ++(*cur_index))))  in get_block_length()
110 				bh->b_data);   in get_block_length()
113 				bh->b_data);   in get_block_length()
119 				(bh->b_data + *offset));  in get_block_length()
121 				(bh->b_data + *offset + 1));   in get_block_length()
124 				(bh->b_data + *offset));  in get_block_length()
126 				(bh->b_data + *offset + 1));   in get_block_length()
134 			brelse(bh);  in get_block_length()
135 			if (!(bh = sb_bread(s, ++(*cur_index))))  in get_block_length()
139 		if (*((unsigned char *) (bh->b_data + *offset)) !=  in get_block_length()
143 			brelse(bh);  in get_block_length()
148 	return bh;  in get_block_length()
160 	struct buffer_head *bh[((SQUASHFS_FILE_MAX_SIZE - 1) >>  in squashfs_read_data()  local
178 		if (!(bh[0] = sb_getblk(s, cur_index)))  in squashfs_read_data()
182 			if (!(bh[b] = sb_getblk(s, ++cur_index)))  in squashfs_read_data()
186 		ll_rw_block(READ, b, bh);  in squashfs_read_data()
188 		if (!(bh[0] = get_block_length(s, &cur_index, &offset,  in squashfs_read_data()
201 			if (!(bh[b] = sb_getblk(s, ++cur_index)))  in squashfs_read_data()
205 		ll_rw_block(READ, b - 1, bh + 1);  in squashfs_read_data()
215 		wait_on_buffer(bh[k]);  in squashfs_read_data()
216 		if (!buffer_uptodate(bh[k]))  in squashfs_read_data()
218 		memcpy(c_buffer + bytes, bh[k]->b_data + offset, avail_bytes);  in squashfs_read_data()
221 		brelse(bh[k]);  in squashfs_read_data()
256 		brelse(bh[b]);  in squashfs_read_data()