hmv->version_major = cpu_to_le16 (KSOCK_PROTO_V1_MAJOR);
hmv->version_minor = cpu_to_le16 (KSOCK_PROTO_V1_MINOR);
- if (the_lnet.ln_testprotocompat != 0) {
- /* single-shot proto check */
- LNET_LOCK();
- if ((the_lnet.ln_testprotocompat & 1) != 0) {
- hmv->version_major++; /* just different! */
- the_lnet.ln_testprotocompat &= ~1;
- }
- if ((the_lnet.ln_testprotocompat & 2) != 0) {
- hmv->magic = LNET_PROTO_MAGIC;
- the_lnet.ln_testprotocompat &= ~2;
- }
- LNET_UNLOCK();
- }
+ if (the_lnet.ln_testprotocompat) {
+ /* single-shot proto check */
+ if (test_and_clear_bit(0, &the_lnet.ln_testprotocompat))
+ hmv->version_major++; /* just different! */
+
+ if (test_and_clear_bit(1, &the_lnet.ln_testprotocompat))
+ hmv->magic = LNET_PROTO_MAGIC;
+ }
hdr->src_nid = cpu_to_le64 (hello->kshm_src_nid);
hdr->src_pid = cpu_to_le32 (hello->kshm_src_pid);
hello->kshm_magic = LNET_PROTO_MAGIC;
hello->kshm_version = conn->ksnc_proto->pro_version;
- if (the_lnet.ln_testprotocompat != 0) {
- /* single-shot proto check */
- LNET_LOCK();
- if ((the_lnet.ln_testprotocompat & 1) != 0) {
- hello->kshm_version++; /* just different! */
- the_lnet.ln_testprotocompat &= ~1;
- }
- LNET_UNLOCK();
- }
+ if (the_lnet.ln_testprotocompat) {
+ /* single-shot proto check */
+ if (test_and_clear_bit(0, &the_lnet.ln_testprotocompat))
+ hello->kshm_version++; /* just different! */
+ }
rc = lnet_sock_write(sock, hello, offsetof(struct ksock_hello_msg, kshm_ips),
lnet_acceptor_timeout());