COMPRESSED_DATA_NODE_BUF_SZ
dn_size = COMPRESSED_DATA_NODE_BUF_SZ;
int dlen = COMPRESSED_DATA_NODE_BUF_SZ, allocated = 1;
c->write_reserve_buf = kmalloc(COMPRESSED_DATA_NODE_BUF_SZ + \
c->write_reserve_buf = kmalloc(COMPRESSED_DATA_NODE_BUF_SZ + \