return dl - now;
}
-static unsigned int ptlrpc_inflight_timeout(struct obd_import *imp)
+static time64_t ptlrpc_inflight_timeout(struct obd_import *imp)
{
time64_t now = ktime_get_real_seconds();
struct list_head *tmp, *n;
* out. Use obd_timeout if calculated value is smaller
* than it.
*/
- if (!OBD_FAIL_CHECK(OBD_FAIL_PTLRPC_LONG_REPL_UNLINK)) {
- timeout = ptlrpc_inflight_timeout(imp);
- timeout += timeout / 3;
+ if (!OBD_FAIL_CHECK(OBD_FAIL_PTLRPC_LONG_REPL_UNLINK)) {
+ timeout = ptlrpc_inflight_timeout(imp);
+ timeout += div_u64(timeout, 3);
- if (timeout == 0)
- timeout = obd_timeout;
- } else {
- /* decrease the interval to increase race condition */
- timeout = 1;
- }
+ if (timeout == 0)
+ timeout = obd_timeout;
+ } else {
+ /* decrease the interval to increase race condition */
+ timeout = 1;
+ }
CDEBUG(D_RPCTRACE, "Sleeping %llds for inflight to error out\n",
timeout);
}
static int ptlrpc_connect_set_flags(struct obd_import *imp,
- struct obd_connect_data *ocd,
- __u64 old_connect_flags,
- struct obd_export *exp, int init_connect)
+ struct obd_connect_data *ocd,
+ __u64 old_connect_flags,
+ struct obd_export *exp, int init_connect)
{
static bool warned;
struct client_obd *cli = &imp->imp_obd->u.cli;
* for algorithms we understand. The server masked off
* the checksum types it doesn't support */
if ((ocd->ocd_cksum_types &
- cksum_types_supported_client()) == 0) {
+ obd_cksum_types_supported_client()) == 0) {
LCONSOLE_ERROR("The negotiation of the checksum "
"alogrithm to use with server %s "
"failed (%x/%x)\n",
obd2cli_tgt(imp->imp_obd),
ocd->ocd_cksum_types,
- cksum_types_supported_client());
+ obd_cksum_types_supported_client());
return -EPROTO;
} else {
cli->cl_supp_cksum_types = ocd->ocd_cksum_types;
* Enforce ADLER for backward compatibility*/
cli->cl_supp_cksum_types = OBD_CKSUM_ADLER;
}
- cli->cl_cksum_type = cksum_type_select(cli->cl_supp_cksum_types);
+ cli->cl_cksum_type = obd_cksum_type_select(imp->imp_obd->obd_name,
+ cli->cl_supp_cksum_types);
if (ocd->ocd_connect_flags & OBD_CONNECT_BRW_SIZE)
cli->cl_max_pages_per_rpc =
}
if (rc) {
+ struct ptlrpc_request *free_req;
+ struct ptlrpc_request *tmp;
+
+ /* abort all delayed requests initiated connection */
+ list_for_each_entry_safe(free_req, tmp, &imp->imp_delayed_list,
+ rq_list) {
+ spin_lock(&free_req->rq_lock);
+ if (free_req->rq_no_resend) {
+ free_req->rq_err = 1;
+ free_req->rq_status = -EIO;
+ ptlrpc_client_wake_req(free_req);
+ }
+ spin_unlock(&free_req->rq_lock);
+ }
+
/* if this reconnect to busy export - not need select new target
* for connecting*/
imp->imp_force_reconnect = ptlrpc_busy_reconnect(rc);
"using this service will fail.\n",
imp->imp_obd->obd_name, target_len,
target_start);
+ LASSERTF(!obd_lbug_on_eviction, "LBUG upon eviction");
}
CDEBUG(D_HA, "evicted from %s@%s; invalidating\n",
obd2cli_tgt(imp->imp_obd),
RETURN(rc);
}
-int ptlrpc_disconnect_import(struct obd_import *imp, int noclose)
+static struct ptlrpc_request *ptlrpc_disconnect_prep_req(struct obd_import *imp)
{
struct ptlrpc_request *req;
int rq_opc, rc = 0;
ENTRY;
- if (imp->imp_obd->obd_force)
- GOTO(set_state, rc);
-
switch (imp->imp_connect_op) {
case OST_CONNECT:
rq_opc = OST_DISCONNECT;
"(connect_op %d): rc = %d\n",
imp->imp_obd->obd_name, obd2cli_tgt(imp->imp_obd),
imp->imp_connect_op, rc);
- RETURN(rc);
+ RETURN(ERR_PTR(rc));
}
+ req = ptlrpc_request_alloc_pack(imp, &RQF_MDS_DISCONNECT,
+ LUSTRE_OBD_VERSION, rq_opc);
+ if (req == NULL)
+ RETURN(NULL);
+
+ /* We are disconnecting, do not retry a failed DISCONNECT rpc if
+ * it fails. We can get through the above with a down server
+ * if the client doesn't know the server is gone yet. */
+ req->rq_no_resend = 1;
+
+ /* We want client umounts to happen quickly, no matter the
+ server state... */
+ req->rq_timeout = min_t(int, req->rq_timeout,
+ INITIAL_CONNECT_TIMEOUT);
+
+ IMPORT_SET_STATE(imp, LUSTRE_IMP_CONNECTING);
+ req->rq_send_state = LUSTRE_IMP_CONNECTING;
+ ptlrpc_request_set_replen(req);
+
+ RETURN(req);
+}
+
+int ptlrpc_disconnect_import(struct obd_import *imp, int noclose)
+{
+ struct ptlrpc_request *req;
+ int rc = 0;
+ ENTRY;
+
+ if (imp->imp_obd->obd_force)
+ GOTO(set_state, rc);
+
+ /* probably the import has been disconnected already being idle */
+ spin_lock(&imp->imp_lock);
+ if (imp->imp_state == LUSTRE_IMP_IDLE)
+ GOTO(out, rc);
+ spin_unlock(&imp->imp_lock);
+
if (ptlrpc_import_in_recovery(imp)) {
struct l_wait_info lwi;
long timeout_jiffies;
GOTO(out, rc);
spin_unlock(&imp->imp_lock);
- req = ptlrpc_request_alloc_pack(imp, &RQF_MDS_DISCONNECT,
- LUSTRE_OBD_VERSION, rq_opc);
- if (req) {
- /* We are disconnecting, do not retry a failed DISCONNECT rpc if
- * it fails. We can get through the above with a down server
- * if the client doesn't know the server is gone yet. */
- req->rq_no_resend = 1;
-
- /* We want client umounts to happen quickly, no matter the
- server state... */
- req->rq_timeout = min_t(int, req->rq_timeout,
- INITIAL_CONNECT_TIMEOUT);
-
- IMPORT_SET_STATE(imp, LUSTRE_IMP_CONNECTING);
- req->rq_send_state = LUSTRE_IMP_CONNECTING;
- ptlrpc_request_set_replen(req);
- rc = ptlrpc_queue_wait(req);
- ptlrpc_req_finished(req);
- }
+ req = ptlrpc_disconnect_prep_req(imp);
+ if (IS_ERR(req))
+ GOTO(set_state, rc = PTR_ERR(req));
+ rc = ptlrpc_queue_wait(req);
+ ptlrpc_req_finished(req);
set_state:
spin_lock(&imp->imp_lock);
}
EXPORT_SYMBOL(ptlrpc_disconnect_import);
+static int ptlrpc_disconnect_idle_interpret(const struct lu_env *env,
+ struct ptlrpc_request *req,
+ void *data, int rc)
+{
+ struct obd_import *imp = req->rq_import;
+ int connect = 0;
+
+ DEBUG_REQ(D_HA, req, "inflight=%d, refcount=%d: rc = %d\n",
+ atomic_read(&imp->imp_inflight),
+ atomic_read(&imp->imp_refcount), rc);
+
+ spin_lock(&imp->imp_lock);
+ /* DISCONNECT reply can be late and another connection can just
+ * be initiated. so we have to abort disconnection. */
+ if (req->rq_import_generation == imp->imp_generation &&
+ imp->imp_state != LUSTRE_IMP_CLOSED) {
+ LASSERTF(imp->imp_state == LUSTRE_IMP_CONNECTING,
+ "%s\n", ptlrpc_import_state_name(imp->imp_state));
+ imp->imp_state = LUSTRE_IMP_IDLE;
+ memset(&imp->imp_remote_handle, 0,
+ sizeof(imp->imp_remote_handle));
+ /* take our DISCONNECT into account */
+ if (atomic_read(&imp->imp_inflight) > 1) {
+ imp->imp_generation++;
+ imp->imp_initiated_at = imp->imp_generation;
+ IMPORT_SET_STATE_NOLOCK(imp, LUSTRE_IMP_NEW);
+ connect = 1;
+ }
+ }
+ spin_unlock(&imp->imp_lock);
+
+ if (connect) {
+ rc = ptlrpc_connect_import(imp);
+ if (rc >= 0)
+ ptlrpc_pinger_add_import(imp);
+ }
+
+ return 0;
+}
+
+int ptlrpc_disconnect_and_idle_import(struct obd_import *imp)
+{
+ struct ptlrpc_request *req;
+ ENTRY;
+
+ if (imp->imp_obd->obd_force)
+ RETURN(0);
+
+ if (ptlrpc_import_in_recovery(imp))
+ RETURN(0);
+
+ spin_lock(&imp->imp_lock);
+ if (imp->imp_state != LUSTRE_IMP_FULL) {
+ spin_unlock(&imp->imp_lock);
+ RETURN(0);
+ }
+ spin_unlock(&imp->imp_lock);
+
+ req = ptlrpc_disconnect_prep_req(imp);
+ if (IS_ERR(req))
+ RETURN(PTR_ERR(req));
+
+ CDEBUG_LIMIT(imp->imp_idle_debug, "%s: disconnect after %llus idle\n",
+ imp->imp_obd->obd_name,
+ ktime_get_real_seconds() - imp->imp_last_reply_time);
+ req->rq_interpret_reply = ptlrpc_disconnect_idle_interpret;
+ ptlrpcd_add_req(req);
+
+ RETURN(0);
+}
+EXPORT_SYMBOL(ptlrpc_disconnect_and_idle_import);
+
void ptlrpc_cleanup_imp(struct obd_import *imp)
{
ENTRY;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff