static void v9fs_readlink(void *opaque) { V9fsPDU *pdu = opaque; size_t offset = 7; V9fsString target; int32_t fid; int err = 0; V9fsFidState *fidp; pdu_unmarshal(pdu, offset, "d", &fid); fidp = get_fid(pdu, fid); if (fidp == NULL) { err = -ENOENT; goto out_nofid; } v9fs_string_init(&target); err = v9fs_co_readlink(pdu, &fidp->path, &target); if (err < 0) { goto out; } offset += pdu_marshal(pdu, offset, "s", &target); err = offset; v9fs_string_free(&target); out: put_fid(pdu, fidp); out_nofid: trace_v9fs_readlink_return(pdu->tag, pdu->id, target.data); complete_pdu(pdu->s, pdu, err); }