#include <liblustre.h>
#endif
+#include "ptlrpc_internal.h"
+
static spinlock_t conn_lock;
static struct list_head conn_list;
static struct list_head conn_unused_list;
-/* If UUID is NULL, c->c_remote_uuid must be all zeroes
- * If UUID is non-NULL, c->c_remote_uuid must match. */
-static int match_connection_uuid(struct ptlrpc_connection *c,
- struct obd_uuid *uuid)
+void ptlrpc_dump_connections(void)
{
- struct obd_uuid zero_uuid;
- memset(&zero_uuid, 0, sizeof(zero_uuid));
-
- if (uuid)
- return memcmp(c->c_remote_uuid.uuid, uuid->uuid,
- sizeof(uuid->uuid));
+ char str[PTL_NALFMT_SIZE];
+ struct list_head *tmp;
+ struct ptlrpc_connection *c;
+ ENTRY;
- return memcmp(c->c_remote_uuid.uuid, &zero_uuid, sizeof(zero_uuid));
+ list_for_each(tmp, &conn_list) {
+ c = list_entry(tmp, struct ptlrpc_connection, c_link);
+ CERROR("Connection %p/%s has refcount %d (nid=%s on %s)\n",
+ c, c->c_remote_uuid.uuid, atomic_read(&c->c_refcount),
+ ptlrpc_peernid2str(&c->c_peer, str),
+ c->c_peer.peer_ni->pni_name);
+ }
+ EXIT;
}
struct ptlrpc_connection *ptlrpc_get_connection(struct ptlrpc_peer *peer,
struct obd_uuid *uuid)
{
+ char str[PTL_NALFMT_SIZE];
struct list_head *tmp, *pos;
struct ptlrpc_connection *c;
ENTRY;
- CDEBUG(D_INFO, "peer is "LPX64" on %s\n",
- peer->peer_nid, peer->peer_ni->pni_name);
+
+ CDEBUG(D_INFO, "peer is %s on %s\n",
+ ptlrpc_id2str(peer, str), peer->peer_ni->pni_name);
spin_lock(&conn_lock);
list_for_each(tmp, &conn_list) {
c = list_entry(tmp, struct ptlrpc_connection, c_link);
- if (peer->peer_nid == c->c_peer.peer_nid &&
- peer->peer_ni == c->c_peer.peer_ni &&
- !match_connection_uuid(c, uuid)) {
+ if (memcmp(peer, &c->c_peer, sizeof(*peer)) == 0 &&
+ peer->peer_ni == c->c_peer.peer_ni) {
ptlrpc_connection_addref(c);
GOTO(out, c);
}
list_for_each_safe(tmp, pos, &conn_unused_list) {
c = list_entry(tmp, struct ptlrpc_connection, c_link);
- if (peer->peer_nid == c->c_peer.peer_nid &&
- peer->peer_ni == c->c_peer.peer_ni &&
- !match_connection_uuid(c, uuid)) {
+ if (memcmp(peer, &c->c_peer, sizeof(*peer)) == 0 &&
+ peer->peer_ni == c->c_peer.peer_ni) {
ptlrpc_connection_addref(c);
list_del(&c->c_link);
list_add(&c->c_link, &conn_list);
/* FIXME: this should be a slab once we can validate slab addresses
* without OOPSing */
- OBD_ALLOC(c, sizeof(*c));
+ OBD_ALLOC_GFP(c, sizeof(*c), GFP_ATOMIC);
+
if (c == NULL)
GOTO(out, c);
- c->c_generation = 1;
- c->c_epoch = 1;
- c->c_bootcount = 0;
- c->c_flags = 0;
- if (uuid->uuid)
- obd_str2uuid(&c->c_remote_uuid, uuid->uuid);
- INIT_LIST_HEAD(&c->c_imports);
- INIT_LIST_HEAD(&c->c_exports);
- INIT_LIST_HEAD(&c->c_sb_chain);
- INIT_LIST_HEAD(&c->c_recovd_data.rd_managed_chain);
- INIT_LIST_HEAD(&c->c_delayed_head);
+ if (uuid && uuid->uuid) /* XXX ???? */
+ obd_str2uuid(&c->c_remote_uuid, (char *)uuid->uuid);
atomic_set(&c->c_refcount, 0);
memcpy(&c->c_peer, peer, sizeof(c->c_peer));
- spin_lock_init(&c->c_lock);
ptlrpc_connection_addref(c);
int ptlrpc_put_connection(struct ptlrpc_connection *c)
{
+ char str[PTL_NALFMT_SIZE];
int rc = 0;
ENTRY;
RETURN(0);
}
- CDEBUG (D_INFO, "connection=%p refcount %d to "LPX64" on %s\n",
- c, atomic_read(&c->c_refcount), c->c_peer.peer_nid,
+ CDEBUG (D_INFO, "connection=%p refcount %d to %s on %s\n",
+ c, atomic_read(&c->c_refcount) - 1,
+ ptlrpc_peernid2str(&c->c_peer, str),
c->c_peer.peer_ni->pni_name);
if (atomic_dec_and_test(&c->c_refcount)) {
- recovd_conn_unmanage(c);
spin_lock(&conn_lock);
list_del(&c->c_link);
list_add(&c->c_link, &conn_unused_list);
struct ptlrpc_connection *ptlrpc_connection_addref(struct ptlrpc_connection *c)
{
+ char str[PTL_NALFMT_SIZE];
ENTRY;
atomic_inc(&c->c_refcount);
- CDEBUG (D_INFO, "connection=%p refcount %d to "LPX64" on %s\n",
- c, atomic_read(&c->c_refcount), c->c_peer.peer_nid,
+ CDEBUG (D_INFO, "connection=%p refcount %d to %s on %s\n",
+ c, atomic_read(&c->c_refcount),
+ ptlrpc_peernid2str(&c->c_peer, str),
c->c_peer.peer_ni->pni_name);
RETURN(c);
}
void ptlrpc_cleanup_connection(void)
{
+ char str[PTL_NALFMT_SIZE];
struct list_head *tmp, *pos;
struct ptlrpc_connection *c;
}
list_for_each_safe(tmp, pos, &conn_list) {
c = list_entry(tmp, struct ptlrpc_connection, c_link);
- CERROR("Connection %p/%s has refcount %d (nid="LPX64" on %s)\n",
+ CERROR("Connection %p/%s has refcount %d (nid=%s on %s)\n",
c, c->c_remote_uuid.uuid, atomic_read(&c->c_refcount),
- c->c_peer.peer_nid, c->c_peer.peer_ni->pni_name);
+ ptlrpc_peernid2str(&c->c_peer, str),
+ c->c_peer.peer_ni->pni_name);
list_del(&c->c_link);
OBD_FREE(c, sizeof(*c));
}