* Copyright (c) 2003, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2010, 2014, Intel Corporation.
+ * Copyright (c) 2010, 2015, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
ptlrpc_connection_put(imp->imp_connection);
imp->imp_connection = NULL;
- dlmexp = class_conn2export(&imp->imp_dlm_handle);
- if (dlmexp && dlmexp->exp_connection) {
- LASSERT(dlmexp->exp_connection ==
- imp_conn->oic_conn);
- ptlrpc_connection_put(dlmexp->exp_connection);
- dlmexp->exp_connection = NULL;
- }
- }
+ dlmexp = class_conn2export(&imp->imp_dlm_handle);
+ if (dlmexp && dlmexp->exp_connection) {
+ LASSERT(dlmexp->exp_connection ==
+ imp_conn->oic_conn);
+ ptlrpc_connection_put(dlmexp->exp_connection);
+ dlmexp->exp_connection = NULL;
+ }
+
+ if (dlmexp != NULL)
+ class_export_put(dlmexp);
+ }
list_del(&imp_conn->oic_item);
ptlrpc_connection_put(imp_conn->oic_conn);
*/
int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg)
{
- struct client_obd *cli = &obddev->u.cli;
- struct obd_import *imp;
- struct obd_uuid server_uuid;
- int rq_portal, rp_portal, connect_op;
- char *name = obddev->obd_type->typ_name;
- ldlm_ns_type_t ns_type = LDLM_NS_TYPE_UNKNOWN;
- int rc;
- ENTRY;
+ struct client_obd *cli = &obddev->u.cli;
+ struct obd_import *imp;
+ struct obd_uuid server_uuid;
+ int rq_portal, rp_portal, connect_op;
+ char *name = obddev->obd_type->typ_name;
+ enum ldlm_ns_type ns_type = LDLM_NS_TYPE_UNKNOWN;
+ char *cli_name = lustre_cfg_buf(lcfg, 0);
+ int rc;
+ ENTRY;
- /* In a more perfect world, we would hang a ptlrpc_client off of
- * obd_type and just use the values from there. */
+ /* In a more perfect world, we would hang a ptlrpc_client off of
+ * obd_type and just use the values from there. */
if (!strcmp(name, LUSTRE_OSC_NAME)) {
rq_portal = OST_REQUEST_PORTAL;
rp_portal = OSC_REPLY_PORTAL;
rq_portal = MDS_REQUEST_PORTAL;
rp_portal = MDC_REPLY_PORTAL;
connect_op = MDS_CONNECT;
- cli->cl_sp_me = LUSTRE_SP_CLI;
+ if (is_lwp_on_ost(cli_name))
+ cli->cl_sp_me = LUSTRE_SP_OST;
+ else if (is_lwp_on_mdt(cli_name))
+ cli->cl_sp_me = LUSTRE_SP_MDT;
+ else
+ cli->cl_sp_me = LUSTRE_SP_CLI;
cli->cl_sp_to = LUSTRE_SP_MDT;
ns_type = LDLM_NS_TYPE_MDC;
} else if (!strcmp(name, LUSTRE_OSP_NAME)) {
rq_portal = OST_REQUEST_PORTAL;
}
rp_portal = OSC_REPLY_PORTAL;
- cli->cl_sp_me = LUSTRE_SP_CLI;
+ cli->cl_sp_me = LUSTRE_SP_MDT;
} else if (!strcmp(name, LUSTRE_MGC_NAME)) {
rq_portal = MGS_REQUEST_PORTAL;
rp_portal = MGC_REPLY_PORTAL;
INIT_LIST_HEAD(&cli->cl_lru_list);
spin_lock_init(&cli->cl_lru_list_lock);
atomic_long_set(&cli->cl_unstable_count, 0);
+ INIT_LIST_HEAD(&cli->cl_shrink_list);
init_waitqueue_head(&cli->cl_destroy_waitq);
atomic_set(&cli->cl_destroy_in_flight, 0);
#endif
atomic_set(&cli->cl_resends, OSC_DEFAULT_RESENDS);
- /* This value may be reduced at connect time in
- * ptlrpc_connect_interpret() . We initialize it to only
- * 1MB until we know what the performance looks like.
- * In the future this should likely be increased. LU-1431 */
- cli->cl_max_pages_per_rpc = min_t(int, PTLRPC_MAX_BRW_PAGES,
- LNET_MTU >> PAGE_CACHE_SHIFT);
+ /* Set it to possible maximum size. It may be reduced by ocd_brw_size
+ * from OFD after connecting. */
+ cli->cl_max_pages_per_rpc = PTLRPC_MAX_BRW_PAGES;
- /* set cl_chunkbits default value to PAGE_CACHE_SHIFT,
+ /* set cl_chunkbits default value to PAGE_SHIFT,
* it will be updated at OSC connection time. */
- cli->cl_chunkbits = PAGE_CACHE_SHIFT;
+ cli->cl_chunkbits = PAGE_SHIFT;
if (!strcmp(name, LUSTRE_MDC_NAME)) {
cli->cl_max_rpcs_in_flight = OBD_MAX_RIF_DEFAULT;
- } else if (totalram_pages >> (20 - PAGE_CACHE_SHIFT) <= 128 /* MB */) {
+ } else if (totalram_pages >> (20 - PAGE_SHIFT) <= 128 /* MB */) {
cli->cl_max_rpcs_in_flight = 2;
- } else if (totalram_pages >> (20 - PAGE_CACHE_SHIFT) <= 256 /* MB */) {
+ } else if (totalram_pages >> (20 - PAGE_SHIFT) <= 256 /* MB */) {
cli->cl_max_rpcs_in_flight = 3;
- } else if (totalram_pages >> (20 - PAGE_CACHE_SHIFT) <= 512 /* MB */) {
+ } else if (totalram_pages >> (20 - PAGE_SHIFT) <= 512 /* MB */) {
cli->cl_max_rpcs_in_flight = 4;
} else {
if (osc_on_mdt(obddev->obd_name))
bool is_mdc = false;
ENTRY;
- *exp = NULL;
+ *exp = NULL;
down_write(&cli->cl_sem);
if (cli->cl_conn_count > 0)
GOTO(out_sem, rc = -EALREADY);
- rc = class_connect(&conn, obd, cluuid);
- if (rc)
- GOTO(out_sem, rc);
+ rc = class_connect(&conn, obd, cluuid);
+ if (rc)
+ GOTO(out_sem, rc);
- cli->cl_conn_count++;
- *exp = class_conn2export(&conn);
+ cli->cl_conn_count++;
+ *exp = class_conn2export(&conn);
- LASSERT(obd->obd_namespace);
+ LASSERT(obd->obd_namespace);
- imp->imp_dlm_handle = conn;
- rc = ptlrpc_init_import(imp);
- if (rc != 0)
- GOTO(out_ldlm, rc);
+ imp->imp_dlm_handle = conn;
+ rc = ptlrpc_init_import(imp);
+ if (rc != 0)
+ GOTO(out_ldlm, rc);
- ocd = &imp->imp_connect_data;
- if (data) {
- *ocd = *data;
+ ocd = &imp->imp_connect_data;
+ if (data) {
+ *ocd = *data;
is_mdc = strncmp(imp->imp_obd->obd_type->typ_name,
LUSTRE_MDC_NAME, 3) == 0;
if (is_mdc)
data->ocd_connect_flags |= OBD_CONNECT_MULTIMODRPCS;
- imp->imp_connect_flags_orig = data->ocd_connect_flags;
- }
+ imp->imp_connect_flags_orig = data->ocd_connect_flags;
+ imp->imp_connect_flags2_orig = data->ocd_connect_flags2;
+ }
- rc = ptlrpc_connect_import(imp);
- if (rc != 0) {
- LASSERT (imp->imp_state == LUSTRE_IMP_DISCON);
- GOTO(out_ldlm, rc);
- }
+ rc = ptlrpc_connect_import(imp);
+ if (rc != 0) {
+ if (data && is_mdc)
+ data->ocd_connect_flags &= ~OBD_CONNECT_MULTIMODRPCS;
+ LASSERT(imp->imp_state == LUSTRE_IMP_DISCON);
+ GOTO(out_ldlm, rc);
+ }
LASSERT(*exp != NULL && (*exp)->exp_connection);
- if (data) {
- LASSERTF((ocd->ocd_connect_flags & data->ocd_connect_flags) ==
- ocd->ocd_connect_flags, "old "LPX64", new "LPX64"\n",
- data->ocd_connect_flags, ocd->ocd_connect_flags);
- data->ocd_connect_flags = ocd->ocd_connect_flags;
+ if (data) {
+ LASSERTF((ocd->ocd_connect_flags & data->ocd_connect_flags) ==
+ ocd->ocd_connect_flags, "old %#llx, new %#llx\n",
+ data->ocd_connect_flags, ocd->ocd_connect_flags);
+ data->ocd_connect_flags = ocd->ocd_connect_flags;
/* clear the flag as it was not set and is not known
* by upper layers */
if (is_mdc)
data->ocd_connect_flags &= ~OBD_CONNECT_MULTIMODRPCS;
- }
+ }
- ptlrpc_pinger_add_import(imp);
+ ptlrpc_pinger_add_import(imp);
- EXIT;
+ EXIT;
- if (rc) {
+ if (rc) {
out_ldlm:
- cli->cl_conn_count--;
- class_disconnect(*exp);
- *exp = NULL;
- }
+ cli->cl_conn_count--;
+ class_disconnect(*exp);
+ *exp = NULL;
+ }
out_sem:
up_write(&cli->cl_sem);
ENTRY;
if (!obd) {
- CERROR("invalid export for disconnect: exp %p cookie "LPX64"\n",
+ CERROR("invalid export for disconnect: exp %p cookie %#llx\n",
exp, exp ? exp->exp_handle.h_cookie : -1);
RETURN(-EINVAL);
}
if (exp->exp_imp_reverse)
ptlrpc_cleanup_imp(exp->exp_imp_reverse);
- if (exp->exp_obd->obd_namespace != NULL)
- ldlm_cancel_locks_for_export(exp);
+ ldlm_bl_thread_wakeup();
/* complete all outstanding replies */
spin_lock(&exp->exp_lock);
struct obd_export *exp,
struct obd_uuid *cluuid)
{
- ENTRY;
+ struct obd_device *target;
+ struct lustre_handle *hdl;
+ cfs_time_t now;
+ cfs_time_t deadline;
+ int timeout;
+ int rc = 0;
+ ENTRY;
- if (exp->exp_connection && exp->exp_imp_reverse) {
- struct lustre_handle *hdl;
- struct obd_device *target;
-
- hdl = &exp->exp_imp_reverse->imp_remote_handle;
- target = exp->exp_obd;
-
- /* Might be a re-connect after a partition. */
- if (!memcmp(&conn->cookie, &hdl->cookie, sizeof conn->cookie)) {
- if (target->obd_recovering) {
- int timeout = cfs_duration_sec(cfs_time_sub(
- cfs_timer_deadline(
- &target->obd_recovery_timer),
- cfs_time_current()));
-
- LCONSOLE_WARN("%s: Client %s (at %s) reconnect"
- "ing, waiting for %d clients in recov"
- "ery for %d:%.02d\n", target->obd_name,
- obd_uuid2str(&exp->exp_client_uuid),
- obd_export_nid2str(exp),
- target->obd_max_recoverable_clients,
- timeout / 60, timeout % 60);
- } else {
- LCONSOLE_WARN("%s: Client %s (at %s) "
- "reconnecting\n", target->obd_name,
- obd_uuid2str(&exp->exp_client_uuid),
- obd_export_nid2str(exp));
- }
+ hdl = &exp->exp_imp_reverse->imp_remote_handle;
+ if (!exp->exp_connection || !lustre_handle_is_used(hdl)) {
+ conn->cookie = exp->exp_handle.h_cookie;
+ CDEBUG(D_HA, "connect export for UUID '%s' at %p,"
+ " cookie %#llx\n", cluuid->uuid, exp, conn->cookie);
+ RETURN(0);
+ }
- conn->cookie = exp->exp_handle.h_cookie;
- /* target_handle_connect() treats EALREADY and
- * -EALREADY differently. EALREADY means we are
- * doing a valid reconnect from the same client. */
- RETURN(EALREADY);
- } else {
- LCONSOLE_WARN("%s: already connected client %s (at %s) "
- "with handle "LPX64". Rejecting client "
- "with the same UUID trying to reconnect "
- "with handle "LPX64"\n", target->obd_name,
- obd_uuid2str(&exp->exp_client_uuid),
- obd_export_nid2str(exp),
- hdl->cookie, conn->cookie);
- memset(conn, 0, sizeof *conn);
- /* target_handle_connect() treats EALREADY and
- * -EALREADY differently. -EALREADY is an error
- * (same UUID, different handle). */
- RETURN(-EALREADY);
- }
- }
+ target = exp->exp_obd;
+
+ /* Might be a re-connect after a partition. */
+ if (memcmp(&conn->cookie, &hdl->cookie, sizeof conn->cookie)) {
+ LCONSOLE_WARN("%s: already connected client %s (at %s) "
+ "with handle %#llx. Rejecting client "
+ "with the same UUID trying to reconnect "
+ "with handle %#llx\n", target->obd_name,
+ obd_uuid2str(&exp->exp_client_uuid),
+ obd_export_nid2str(exp),
+ hdl->cookie, conn->cookie);
+ memset(conn, 0, sizeof *conn);
+ /* target_handle_connect() treats EALREADY and
+ * -EALREADY differently. -EALREADY is an error
+ * (same UUID, different handle). */
+ RETURN(-EALREADY);
+ }
- conn->cookie = exp->exp_handle.h_cookie;
- CDEBUG(D_HA, "connect export for UUID '%s' at %p, cookie "LPX64"\n",
- cluuid->uuid, exp, conn->cookie);
- RETURN(0);
+ if (!target->obd_recovering) {
+ LCONSOLE_WARN("%s: Client %s (at %s) reconnecting\n",
+ target->obd_name, obd_uuid2str(&exp->exp_client_uuid),
+ obd_export_nid2str(exp));
+ GOTO(out_already, rc);
+ }
+
+ now = cfs_time_current();
+ deadline = cfs_timer_deadline(&target->obd_recovery_timer);
+ if (cfs_time_before(now, deadline)) {
+ struct target_distribute_txn_data *tdtd =
+ class_exp2tgt(exp)->lut_tdtd;
+ int size = 0;
+ int count = 0;
+ char *buf = NULL;
+
+ timeout = cfs_duration_sec(cfs_time_sub(deadline, now));
+ if (tdtd && tdtd->tdtd_show_update_logs_retrievers)
+ buf = tdtd->tdtd_show_update_logs_retrievers(
+ tdtd->tdtd_show_retrievers_cbdata,
+ &size, &count);
+
+ if (count > 0)
+ LCONSOLE_WARN("%s: Recovery already passed deadline "
+ "%d:%.02d. It is due to DNE recovery "
+ "failed/stuck on the %d MDT(s):%s. "
+ "Please wait until all MDTs recovered "
+ "or abort the recovery by force.\n",
+ target->obd_name, timeout / 60,
+ timeout % 60, count,
+ buf ? buf : "unknown (not enough RAM)");
+ else
+ LCONSOLE_WARN("%s: Recovery already passed deadline "
+ "%d:%.02d. If you do not want to wait "
+ "more, please abort the recovery by "
+ "force.\n", target->obd_name,
+ timeout / 60, timeout % 60);
+
+ if (buf != NULL)
+ OBD_FREE(buf, size);
+ } else {
+ timeout = cfs_duration_sec(cfs_time_sub(now, deadline));
+ LCONSOLE_WARN("%s: Recovery already passed deadline"
+ " %d:%.02d, It is most likely due to DNE"
+ " recovery is failed or stuck, please wait a"
+ " few more minutes or abort the recovery.\n",
+ target->obd_name, timeout / 60, timeout % 60);
+ }
+
+out_already:
+ conn->cookie = exp->exp_handle.h_cookie;
+ /* target_handle_connect() treats EALREADY and
+ * -EALREADY differently. EALREADY means we are
+ * doing a valid reconnect from the same client. */
+ RETURN(EALREADY);
}
void target_client_add_cb(struct obd_device *obd, __u64 transno, void *cb_data,
check_and_start_recovery_timer(struct obd_device *obd,
struct ptlrpc_request *req, int new_client);
+/**
+ * update flags for import during reconnect process
+ */
+static int rev_import_flags_update(struct obd_import *revimp,
+ struct ptlrpc_request *req)
+{
+ int rc;
+ struct obd_connect_data *data;
+
+ data = req_capsule_client_get(&req->rq_pill, &RMF_CONNECT_DATA);
+
+ if (data->ocd_connect_flags & OBD_CONNECT_AT)
+ revimp->imp_msghdr_flags |= MSGHDR_AT_SUPPORT;
+ else
+ revimp->imp_msghdr_flags &= ~MSGHDR_AT_SUPPORT;
+
+ revimp->imp_msghdr_flags |= MSGHDR_CKSUM_INCOMPAT18;
+
+ rc = sptlrpc_import_sec_adapt(revimp, req->rq_svc_ctx, &req->rq_flvr);
+ if (rc) {
+ CERROR("%s: cannot get reverse import %s security: rc = %d\n",
+ revimp->imp_client->cli_name,
+ libcfs_id2str(req->rq_peer), rc);
+ return rc;
+ }
+
+ return 0;
+}
+
+/**
+ * Allocate a new reverse import for an export.
+ *
+ * \retval -errno in case error hit
+ * \retval 0 if reverse import correctly init
+ **/
+int rev_import_init(struct obd_export *export)
+{
+ struct obd_device *obd = export->exp_obd;
+ struct obd_import *revimp;
+
+ LASSERT(export->exp_imp_reverse == NULL);
+
+ revimp = class_new_import(obd);
+ if (revimp == NULL)
+ return -ENOMEM;
+
+ revimp->imp_remote_handle.cookie = 0ULL;
+ revimp->imp_client = &obd->obd_ldlm_client;
+ revimp->imp_dlm_fake = 1;
+
+ /* it is safe to connect import in new state as no sends possible */
+ spin_lock(&export->exp_lock);
+ export->exp_imp_reverse = revimp;
+ spin_unlock(&export->exp_lock);
+ class_import_put(revimp);
+
+ return 0;
+}
+EXPORT_SYMBOL(rev_import_init);
+
+/**
+ * Handle reconnect for an export.
+ *
+ * \param exp export to handle reconnect process
+ * \param req client reconnect request
+ *
+ * \retval -rc in case securitfy flavor can't be changed
+ * \retval 0 in case none problems
+ */
+static int rev_import_reconnect(struct obd_export *exp,
+ struct ptlrpc_request *req)
+{
+ struct obd_import *revimp = exp->exp_imp_reverse;
+ struct lustre_handle *lh;
+ int rc;
+
+ /* avoid sending a request until import flags are changed */
+ ptlrpc_import_enter_resend(revimp);
+
+ if (revimp->imp_connection != NULL)
+ ptlrpc_connection_put(revimp->imp_connection);
+
+ /*
+ * client from recovery don't have a handle so we need to take from
+ * request. it may produce situation when wrong client connected
+ * to recovery as we trust a client uuid
+ */
+ lh = req_capsule_client_get(&req->rq_pill, &RMF_CONN);
+ revimp->imp_remote_handle = *lh;
+
+ /* unknown versions will be caught in
+ * ptlrpc_handle_server_req_in->lustre_unpack_msg() */
+ revimp->imp_msg_magic = req->rq_reqmsg->lm_magic;
+
+ revimp->imp_connection = ptlrpc_connection_addref(exp->exp_connection);
+
+ rc = rev_import_flags_update(revimp, req);
+ if (rc != 0) {
+ /* it is safe to still be in RECOVERY phase as we are not able
+ * to setup correct security flavor so requests are not able to
+ * be delivered correctly */
+ return rc;
+ }
+
+ /* resend all rpc's via new connection */
+ return ptlrpc_import_recovery_state_machine(revimp);
+}
+
int target_handle_connect(struct ptlrpc_request *req)
{
- struct obd_device *target = NULL, *targref = NULL;
- struct obd_export *export = NULL;
- struct obd_import *revimp;
- struct obd_import *tmp_imp = NULL;
- struct lustre_handle conn;
- struct lustre_handle *tmp;
+ struct obd_device *target = NULL;
+ struct obd_export *export = NULL;
+ /* connect handle - filled from target_handle_reconnect in
+ * reconnect case */
+ struct lustre_handle conn;
+ struct lustre_handle *tmp;
struct obd_uuid tgtuuid;
struct obd_uuid cluuid;
- struct obd_uuid remote_uuid;
char *str;
int rc = 0;
char *target_start;
bool mds_conn = false, lw_client = false;
bool mds_mds_conn = false;
bool new_mds_mds_conn = false;
+ bool target_referenced = false;
struct obd_connect_data *data, *tmpdata;
int size, tmpsize;
lnet_nid_t *client_nid = NULL;
/* Make sure the target isn't cleaned up while we're here. Yes,
* there's still a race between the above check and our incref here.
* Really, class_uuid2obd should take the ref. */
- targref = class_incref(target, __FUNCTION__, current);
+ class_incref(target, __func__, current);
+ target_referenced = true;
target->obd_conn_inprogress++;
spin_unlock(&target->obd_dev_lock);
obd_str2uuid(&cluuid, str);
- /* XXX Extract a nettype and format accordingly. */
- switch (sizeof(lnet_nid_t)) {
- /* NB the casts only avoid compiler warnings. */
- case 8:
- snprintf(remote_uuid.uuid, sizeof remote_uuid,
- "NET_"LPX64"_UUID", (__u64)req->rq_peer.nid);
- break;
- case 4:
- snprintf(remote_uuid.uuid, sizeof remote_uuid,
- "NET_%x_UUID", (__u32)req->rq_peer.nid);
- break;
- default:
- LBUG();
- }
-
tmp = req_capsule_client_get(&req->rq_pill, &RMF_CONN);
if (tmp == NULL)
GOTO(out, rc = -EPROTO);
class_export_put(export);
export = NULL;
rc = -EALREADY;
- } else if ((mds_conn || lw_client) && export->exp_connection != NULL) {
+ } else if ((mds_conn || lw_client ||
+ data->ocd_connect_flags & OBD_CONNECT_MDS_MDS) &&
+ export->exp_connection != NULL) {
spin_unlock(&export->exp_lock);
- if (req->rq_peer.nid != export->exp_connection->c_peer.nid)
+ if (req->rq_peer.nid != export->exp_connection->c_peer.nid) {
/* MDS or LWP reconnected after failover. */
LCONSOLE_WARN("%s: Received %s connection from "
"%s, removing former export from %s\n",
target->obd_name, mds_conn ? "MDS" : "LWP",
libcfs_nid2str(req->rq_peer.nid),
libcfs_nid2str(export->exp_connection->c_peer.nid));
- else
+ } else {
/* New MDS connection from the same NID. */
LCONSOLE_WARN("%s: Received new %s connection from "
"%s, removing former export from same NID\n",
target->obd_name, mds_conn ? "MDS" : "LWP",
libcfs_nid2str(req->rq_peer.nid));
- class_fail_export(export);
- class_export_put(export);
- export = NULL;
- rc = 0;
+ }
+
+ if (req->rq_peer.nid == export->exp_connection->c_peer.nid &&
+ data->ocd_connect_flags & OBD_CONNECT_MDS_MDS) {
+ /* Because exports between MDTs will always be
+ * kept, let's do not fail such export if they
+ * come from the same NID, otherwise it might
+ * cause eviction between MDTs, which might
+ * cause namespace inconsistency */
+ spin_lock(&export->exp_lock);
+ export->exp_connecting = 1;
+ spin_unlock(&export->exp_lock);
+ conn.cookie = export->exp_handle.h_cookie;
+ rc = EALREADY;
+ } else {
+ class_fail_export(export);
+ class_export_put(export);
+ export = NULL;
+ rc = 0;
+ }
} else if (export->exp_connection != NULL &&
req->rq_peer.nid != export->exp_connection->c_peer.nid &&
(lustre_msg_get_op_flags(req->rq_reqmsg) &
GOTO(out, rc);
}
- CDEBUG(D_HA, "%s: connection from %s@%s %st"LPU64" exp %p cur %ld last %ld\n",
+ CDEBUG(D_HA, "%s: connection from %s@%s %st%llu exp %p cur %ld last %ld\n",
target->obd_name, cluuid.uuid, libcfs_nid2str(req->rq_peer.nid),
target->obd_recovering ? "recovering/" : "", data->ocd_transno,
export, (long)cfs_time_current_sec(),
if (mds_conn && OBD_FAIL_CHECK(OBD_FAIL_TGT_RCVG_FLAG))
lustre_msg_add_op_flags(req->rq_repmsg,
MSG_CONNECT_RECOVERING);
- if (rc == 0)
+ if (rc == 0) {
conn.cookie = export->exp_handle.h_cookie;
+ rc = rev_import_init(export);
+ }
if (mds_mds_conn)
new_mds_mds_conn = true;
memcpy(tmpdata, data, min(tmpsize, size));
}
- /* If all else goes well, this is our RPC return code. */
- req->rq_status = 0;
-
- lustre_msg_set_handle(req->rq_repmsg, &conn);
-
/* If the client and the server are the same node, we will already
* have an export that really points to the client's DLM export,
* because we have a shared handles table.
ptlrpc_connection_put(export->exp_connection);
}
- export->exp_connection = ptlrpc_connection_get(req->rq_peer,
- req->rq_self,
- &remote_uuid);
- if (hlist_unhashed(&export->exp_nid_hash)) {
- cfs_hash_add(export->exp_obd->obd_nid_hash,
- &export->exp_connection->c_peer.nid,
- &export->exp_nid_hash);
- }
+ export->exp_connection = ptlrpc_connection_get(req->rq_peer,
+ req->rq_self,
+ &cluuid);
+ if (hlist_unhashed(&export->exp_nid_hash))
+ cfs_hash_add(export->exp_obd->obd_nid_hash,
+ &export->exp_connection->c_peer.nid,
+ &export->exp_nid_hash);
+
+ lustre_msg_set_handle(req->rq_repmsg, &conn);
+
+ rc = rev_import_reconnect(export, req);
+ if (rc != 0)
+ GOTO(out, rc);
if (target->obd_recovering && !export->exp_in_recovery && !lw_client) {
int has_transno;
if (target->obd_recovering && !lw_client)
lustre_msg_add_op_flags(req->rq_repmsg, MSG_CONNECT_RECOVERING);
- tmp = req_capsule_client_get(&req->rq_pill, &RMF_CONN);
- conn = *tmp;
-
- /* Return -ENOTCONN in case of errors to let client reconnect. */
- revimp = class_new_import(target);
- if (revimp == NULL) {
- CERROR("fail to alloc new reverse import.\n");
- GOTO(out, rc = -ENOTCONN);
- }
-
- spin_lock(&export->exp_lock);
- if (export->exp_imp_reverse != NULL)
- /* destroyed import can be still referenced in ctxt */
- tmp_imp = export->exp_imp_reverse;
- export->exp_imp_reverse = revimp;
- spin_unlock(&export->exp_lock);
-
- revimp->imp_connection = ptlrpc_connection_addref(export->exp_connection);
- revimp->imp_client = &export->exp_obd->obd_ldlm_client;
- revimp->imp_remote_handle = conn;
- revimp->imp_dlm_fake = 1;
- revimp->imp_state = LUSTRE_IMP_FULL;
-
- /* Unknown versions will be caught in
- * ptlrpc_handle_server_req_in->lustre_unpack_msg(). */
- revimp->imp_msg_magic = req->rq_reqmsg->lm_magic;
-
- if (data->ocd_connect_flags & OBD_CONNECT_AT)
- revimp->imp_msghdr_flags |= MSGHDR_AT_SUPPORT;
- else
- revimp->imp_msghdr_flags &= ~MSGHDR_AT_SUPPORT;
-
- revimp->imp_msghdr_flags |= MSGHDR_CKSUM_INCOMPAT18;
-
- rc = sptlrpc_import_sec_adapt(revimp, req->rq_svc_ctx, &req->rq_flvr);
- if (rc) {
- CERROR("Failed to get sec for reverse import: %d\n", rc);
- spin_lock(&export->exp_lock);
- export->exp_imp_reverse = NULL;
- spin_unlock(&export->exp_lock);
- class_destroy_import(revimp);
- }
-
- class_import_put(revimp);
-
out:
- if (tmp_imp != NULL)
- client_destroy_import(tmp_imp);
if (export) {
spin_lock(&export->exp_lock);
export->exp_connecting = 0;
class_export_put(export);
}
- if (targref) {
+ if (target_referenced == true && target != NULL) {
spin_lock(&target->obd_dev_lock);
target->obd_conn_inprogress--;
spin_unlock(&target->obd_dev_lock);
- class_decref(targref, __func__, current);
+ class_decref(target, __func__, current);
}
- if (rc)
- req->rq_status = rc;
+ req->rq_status = rc;
RETURN(rc);
}
__u64 transno = lustre_msg_get_transno(req->rq_reqmsg);
struct obd_export *exp = req->rq_export;
struct ptlrpc_request *reqiter;
+ struct ptlrpc_request *dup_req = NULL;
int dup = 0;
LASSERT(exp);
list_for_each_entry(reqiter, &exp->exp_req_replay_queue,
rq_replay_list) {
if (lustre_msg_get_transno(reqiter->rq_reqmsg) == transno) {
+ dup_req = reqiter;
dup = 1;
break;
}
(MSG_RESENT | MSG_REPLAY)) != (MSG_RESENT | MSG_REPLAY))
CERROR("invalid flags %x of resent replay\n",
lustre_msg_get_flags(req->rq_reqmsg));
+
+ if (lustre_msg_get_flags(req->rq_reqmsg) & MSG_REPLAY) {
+ __u32 new_conn;
+
+ new_conn = lustre_msg_get_conn_cnt(req->rq_reqmsg);
+ if (new_conn >
+ lustre_msg_get_conn_cnt(dup_req->rq_reqmsg))
+ lustre_msg_set_conn_cnt(dup_req->rq_reqmsg,
+ new_conn);
+ }
} else {
list_add_tail(&req->rq_replay_list,
&exp->exp_req_replay_queue);
}
spin_unlock(&obd->obd_recovery_task_lock);
- if (lut->lut_tdtd != NULL &&
- !list_empty(&lut->lut_tdtd->tdtd_replay_list))
- dtrq_list_dump(lut->lut_tdtd, D_ERROR);
-
obd->obd_recovery_end = cfs_time_current_sec();
/* When recovery finished, cleanup orphans on MDS and OST. */
{
struct ptlrpc_request *req, *n;
struct list_head clean_list;
- ENTRY;
INIT_LIST_HEAD(&clean_list);
spin_lock(&obd->obd_dev_lock);
return;
}
obd->obd_recovering = obd->obd_abort_recovery = 0;
- obd->obd_force_abort_recovery = 0;
spin_unlock(&obd->obd_dev_lock);
spin_lock(&obd->obd_recovery_task_lock);
return;
spin_lock(&obd->obd_dev_lock);
- if (!obd->obd_recovering || obd->obd_abort_recovery ||
- obd->obd_force_abort_recovery) {
+ if (!obd->obd_recovering || obd->obd_abort_recovery) {
spin_unlock(&obd->obd_dev_lock);
return;
}
int to;
spin_lock(&obd->obd_dev_lock);
- if (!obd->obd_recovering || obd->obd_abort_recovery ||
- obd->obd_force_abort_recovery) {
+ if (!obd->obd_recovering || obd->obd_abort_recovery) {
spin_unlock(&obd->obd_dev_lock);
return;
}
return (!exp->exp_req_replay_needed ||
atomic_read(&exp->exp_replay_count) > 0);
}
+
+
+static inline int exp_req_replay_healthy_or_from_mdt(struct obd_export *exp)
+{
+ return (exp_connect_flags(exp) & OBD_CONNECT_MDS_MDS) ||
+ exp_req_replay_healthy(exp);
+}
+
/** if export done lock_replay or has replay in queue */
static inline int exp_lock_replay_healthy(struct obd_export *exp)
{
return (exp->exp_in_recovery && !exp->exp_lock_replay_needed);
}
+static inline int exp_finished_or_from_mdt(struct obd_export *exp)
+{
+ return (exp_connect_flags(exp) & OBD_CONNECT_MDS_MDS) ||
+ exp_finished(exp);
+}
+
static int check_for_next_transno(struct lu_target *lut)
{
struct ptlrpc_request *req = NULL;
struct obd_device *obd = lut->lut_obd;
+ struct target_distribute_txn_data *tdtd = lut->lut_tdtd;
int wake_up = 0, connected, completed, queue_len;
__u64 req_transno = 0;
__u64 update_transno = 0;
req_transno = lustre_msg_get_transno(req->rq_reqmsg);
}
- if (lut->lut_tdtd != NULL) {
- struct target_distribute_txn_data *tdtd;
-
- tdtd = lut->lut_tdtd;
- update_transno = distribute_txn_get_next_transno(lut->lut_tdtd);
- }
+ if (tdtd != NULL)
+ update_transno = distribute_txn_get_next_transno(tdtd);
connected = atomic_read(&obd->obd_connected_clients);
completed = connected - atomic_read(&obd->obd_req_replay_clients);
next_transno = obd->obd_next_recovery_transno;
CDEBUG(D_HA, "max: %d, connected: %d, completed: %d, queue_len: %d, "
- "req_transno: "LPU64", next_transno: "LPU64"\n",
+ "req_transno: %llu, next_transno: %llu\n",
obd->obd_max_recoverable_clients, connected, completed,
queue_len, req_transno, next_transno);
- if (obd->obd_abort_recovery || obd->obd_force_abort_recovery) {
+ if (obd->obd_abort_recovery) {
CDEBUG(D_HA, "waking for aborted recovery\n");
wake_up = 1;
} else if (obd->obd_recovery_expired) {
CDEBUG(D_HA, "waking for expired recovery\n");
wake_up = 1;
+ } else if (tdtd != NULL && req != NULL &&
+ is_req_replayed_by_update(req)) {
+ LASSERTF(req_transno < next_transno, "req_transno %llu"
+ "next_transno%llu\n", req_transno, next_transno);
+ CDEBUG(D_HA, "waking for duplicate req (%llu)\n",
+ req_transno);
+ wake_up = 1;
} else if (req_transno == next_transno ||
(update_transno != 0 && update_transno <= next_transno)) {
- CDEBUG(D_HA, "waking for next ("LPD64")\n", next_transno);
+ CDEBUG(D_HA, "waking for next (%lld)\n", next_transno);
wake_up = 1;
} else if (queue_len > 0 &&
queue_len == atomic_read(&obd->obd_req_replay_clients)) {
- int d_lvl = D_HA;
/** handle gaps occured due to lost reply or VBR */
LASSERTF(req_transno >= next_transno,
- "req_transno: "LPU64", next_transno: "LPU64"\n",
+ "req_transno: %llu, next_transno: %llu\n",
req_transno, next_transno);
- if (req_transno > obd->obd_last_committed &&
- !obd->obd_version_recov)
- d_lvl = D_ERROR;
- CDEBUG(d_lvl,
+ CDEBUG(D_HA,
"%s: waking for gap in transno, VBR is %s (skip: "
- LPD64", ql: %d, comp: %d, conn: %d, next: "LPD64
- ", next_update "LPD64" last_committed: "LPD64")\n",
+ "%lld, ql: %d, comp: %d, conn: %d, next: %lld"
+ ", next_update %lld last_committed: %lld)\n",
obd->obd_name, obd->obd_version_recov ? "ON" : "OFF",
next_transno, queue_len, completed, connected,
req_transno, update_transno, obd->obd_last_committed);
wake_up = 1;
} else if (OBD_FAIL_CHECK(OBD_FAIL_MDS_RECOVERY_ACCEPTS_GAPS)) {
CDEBUG(D_HA, "accepting transno gaps is explicitly allowed"
- " by fail_lock, waking up ("LPD64")\n", next_transno);
+ " by fail_lock, waking up (%lld)\n", next_transno);
obd->obd_next_recovery_transno = req_transno;
wake_up = 1;
}
} else if (atomic_read(&obd->obd_lock_replay_clients) == 0) {
CDEBUG(D_HA, "waking for completed lock replay\n");
wake_up = 1;
- } else if (obd->obd_abort_recovery || obd->obd_force_abort_recovery) {
+ } else if (obd->obd_abort_recovery) {
CDEBUG(D_HA, "waking for aborted recovery\n");
wake_up = 1;
} else if (obd->obd_recovery_expired) {
int (*health_check)(struct obd_export *))
{
struct obd_device *obd = lut->lut_obd;
+ struct target_distribute_txn_data *tdtd;
repeat:
if ((obd->obd_recovery_start != 0) && (cfs_time_current_sec() >=
(obd->obd_recovery_start + obd->obd_recovery_time_hard))) {
- CWARN("recovery is aborted by hard timeout\n");
- obd->obd_abort_recovery = 1;
+ __u64 next_update_transno = 0;
+
+ /* Only abort the recovery if there are no update recovery
+ * left in the queue */
+ spin_lock(&obd->obd_recovery_task_lock);
+ if (lut->lut_tdtd != NULL) {
+ next_update_transno =
+ distribute_txn_get_next_transno(lut->lut_tdtd);
+
+ tdtd = lut->lut_tdtd;
+ /* If next_update_transno == 0, it probably because
+ * updatelog retrieve threads did not get any records
+ * yet, let's wait those threads stopped */
+ if (next_update_transno == 0) {
+ struct l_wait_info lwi = { 0 };
+
+ l_wait_event(tdtd->tdtd_recovery_threads_waitq,
+ atomic_read(
+ &tdtd->tdtd_recovery_threads_count) == 0,
+ &lwi);
+
+ next_update_transno =
+ distribute_txn_get_next_transno(
+ lut->lut_tdtd);
+ }
+ }
+
+ if (next_update_transno != 0 && !obd->obd_abort_recovery) {
+ obd->obd_next_recovery_transno = next_update_transno;
+ spin_unlock(&obd->obd_recovery_task_lock);
+ /* Disconnect unfinished exports from clients, and
+ * keep connection from MDT to make sure the update
+ * recovery will still keep trying until some one
+ * manually abort the recovery */
+ class_disconnect_stale_exports(obd,
+ exp_finished_or_from_mdt);
+ /* Abort all of replay and replay lock req from
+ * clients */
+ abort_req_replay_queue(obd);
+ abort_lock_replay_queue(obd);
+ CDEBUG(D_HA, "%s: there are still update replay (%#llx"
+ ")in the queue.\n", obd->obd_name,
+ next_update_transno);
+ } else {
+ obd->obd_abort_recovery = 1;
+ spin_unlock(&obd->obd_recovery_task_lock);
+ CWARN("%s recovery is aborted by hard timeout\n",
+ obd->obd_name);
+ }
}
while (wait_event_timeout(obd->obd_next_transno_waitq,
msecs_to_jiffies(60 * MSEC_PER_SEC)) == 0)
/* wait indefinitely for event, but don't trigger watchdog */;
- if (obd->obd_abort_recovery || obd->obd_force_abort_recovery) {
+ if (obd->obd_abort_recovery) {
CWARN("recovery is aborted, evict exports in recovery\n");
+ if (lut->lut_tdtd != NULL) {
+ struct l_wait_info lwi = { 0 };
+
+ tdtd = lut->lut_tdtd;
+ /* Let's wait all of the update log recovery thread
+ * finished */
+ l_wait_event(tdtd->tdtd_recovery_threads_waitq,
+ atomic_read(&tdtd->tdtd_recovery_threads_count) == 0,
+ &lwi);
+ /* Then abort the update recovery list */
+ dtrq_list_dump(lut->lut_tdtd, D_ERROR);
+ dtrq_list_destroy(lut->lut_tdtd);
+ }
+
/** evict exports which didn't finish recovery yet */
class_disconnect_stale_exports(obd, exp_finished);
return 1;
"evict stale exports\n", obd->obd_name);
/** evict cexports with no replay in queue, they are stalled */
class_disconnect_stale_exports(obd, health_check);
+
/** continue with VBR */
spin_lock(&obd->obd_dev_lock);
obd->obd_version_recov = 1;
obd->obd_max_recoverable_clients, obd->obd_abort_recovery,
obd->obd_recovery_expired);
- if (obd->obd_force_abort_recovery)
- return 1;
-
if (!obd->obd_abort_recovery && !obd->obd_recovery_expired) {
LASSERT(clnts <= obd->obd_max_recoverable_clients);
if (clnts + obd->obd_stale_clients <
}
if (lut->lut_tdtd != NULL) {
- if (!lut->lut_tdtd->tdtd_replay_ready) {
+ if (!lut->lut_tdtd->tdtd_replay_ready &&
+ !obd->obd_abort_recovery) {
/* Let's extend recovery timer, in case the recovery
* timer expired, and some clients got evicted */
extend_recovery_timer(obd, obd->obd_recovery_timeout,
true);
+ CDEBUG(D_HA, "%s update recovery is not ready,"
+ " extend recovery %d\n", obd->obd_name,
+ obd->obd_recovery_timeout);
return 0;
} else {
dtrq_list_dump(lut->lut_tdtd, D_HA);
return transno;
}
-__u64 get_next_transno(struct lu_target *lut, int *type)
+
+static __u64 get_next_transno(struct lu_target *lut, int *type)
{
struct obd_device *obd = lut->lut_obd;
struct target_distribute_txn_data *tdtd = lut->lut_tdtd;
struct obd_device *obd,
struct ptlrpc_request *req)
{
- DEBUG_REQ(D_HA, req, "remove t"LPD64" from %s because of duplicate"
+ DEBUG_REQ(D_HA, req, "remove t%lld from %s because of duplicate"
" update records are found.\n",
lustre_msg_get_transno(req->rq_reqmsg),
libcfs_nid2str(req->rq_peer.nid));
obd->obd_replayed_requests++;
}
-/**
- * Update last_rcvd of the update
- *
- * Because update recovery might update the last_rcvd by updates, i.e.
- * it will not update the last_rcvd information in memory, so we need
- * refresh these information in memory after update recovery.
- *
- * \param[in] obd obd_device under recoverying.
- * \param[in] dtrq the update replay requests being replayed.
- */
-static void target_update_lcd(struct lu_env *env, struct lu_target *lut,
- struct distribute_txn_replay_req *dtrq)
-{
- struct obd_device *obd = lut->lut_obd;
- struct obd_export *export;
- struct tg_export_data *ted;
- struct distribute_txn_replay_req_sub *dtrqs;
- struct seq_server_site *site;
- struct update_records *ur;
- const struct lu_fid *fid;
- struct update_ops *ops;
- struct update_params *params;
- struct update_op *op;
- __u32 mdt_index;
- unsigned int i;
- struct lsd_client_data *lcd = NULL;
-
- /* if Updates has been executed(committed) on the recovery target,
- * i.e. the updates is not being executed on the target, so we do
- * not need update it in memory */
- site = lu_site2seq(obd->obd_lu_dev->ld_site);
- mdt_index = site->ss_node_id;
- dtrqs = dtrq_sub_lookup(dtrq, mdt_index);
- if (dtrqs != NULL)
- return;
-
- if (dtrq->dtrq_lur == NULL)
- return;
-
- /* Find the update last_rcvd record */
- fid = lu_object_fid(&lut->lut_last_rcvd->do_lu);
- ur = &dtrq->dtrq_lur->lur_update_rec;
- ops = &ur->ur_ops;
- params = update_records_get_params(ur);
- for (i = 0, op = &ops->uops_op[0]; i < ur->ur_update_count;
- i++, op = update_op_next_op(op)) {
- __u64 pos;
- __u16 size;
- void *buf;
-
- if (!lu_fid_eq(&op->uop_fid, fid))
- continue;
-
- if (op->uop_type != OUT_WRITE)
- continue;
-
- buf = update_params_get_param_buf(params, op->uop_params_off[1],
- ur->ur_param_count, NULL);
- if (buf == NULL)
- continue;
-
- pos = le64_to_cpu(*(__u64 *)buf);
- if (pos == 0)
- continue;
-
- buf = update_params_get_param_buf(params, op->uop_params_off[0],
- ur->ur_param_count, &size);
- if (buf == NULL)
- continue;
-
- if (size != sizeof(*lcd))
- continue;
- lcd = buf;
- }
-
- if (lcd == NULL || lcd->lcd_uuid[0] == '\0')
- return;
-
- /* locate the export then update the exp_target_data if needed */
- export = cfs_hash_lookup(obd->obd_uuid_hash, lcd->lcd_uuid);
- if (export == NULL)
- return;
-
- ted = &export->exp_target_data;
- if (lcd->lcd_last_xid > ted->ted_lcd->lcd_last_xid) {
- CDEBUG(D_HA, "%s update xid from "LPU64" to "LPU64"\n",
- lut->lut_obd->obd_name, ted->ted_lcd->lcd_last_xid,
- lcd->lcd_last_xid);
- ted->ted_lcd->lcd_last_xid = lcd->lcd_last_xid;
- ted->ted_lcd->lcd_last_result = lcd->lcd_last_result;
- }
- class_export_put(export);
-}
-
static void replay_request_or_update(struct lu_env *env,
struct lu_target *lut,
struct target_recovery_data *trd,
__u64 transno;
ENTRY;
- CDEBUG(D_HA, "Waiting for transno "LPD64"\n",
+ CDEBUG(D_HA, "Waiting for transno %lld\n",
obd->obd_next_recovery_transno);
/* Replay all of request and update by transno */
CFS_FAIL_TIMEOUT_MS(OBD_FAIL_TGT_REPLAY_DELAY, 300);
if (target_recovery_overseer(lut, check_for_next_transno,
- exp_req_replay_healthy)) {
+ exp_req_replay_healthy_or_from_mdt)) {
abort_req_replay_queue(obd);
abort_lock_replay_queue(obd);
+ goto abort;
}
spin_lock(&obd->obd_recovery_task_lock);
transno = get_next_transno(lut, &type);
- if (type == REQUEST_RECOVERY && tdtd != NULL &&
- transno == tdtd->tdtd_last_update_transno) {
+ if (type == REQUEST_RECOVERY && transno != 0) {
/* Drop replay request from client side, if the
* replay has been executed by update with the
* same transno */
req = list_entry(obd->obd_req_replay_queue.next,
struct ptlrpc_request, rq_list);
+
list_del_init(&req->rq_list);
obd->obd_requests_queued_for_recovery--;
spin_unlock(&obd->obd_recovery_task_lock);
- drop_duplicate_replay_req(env, obd, req);
- } else if (type == REQUEST_RECOVERY && transno != 0) {
- req = list_entry(obd->obd_req_replay_queue.next,
- struct ptlrpc_request, rq_list);
- list_del_init(&req->rq_list);
- obd->obd_requests_queued_for_recovery--;
- spin_unlock(&obd->obd_recovery_task_lock);
+
+ /* Let's check if the request has been redone by
+ * update replay */
+ if (is_req_replayed_by_update(req)) {
+ struct distribute_txn_replay_req *dtrq;
+
+ dtrq = distribute_txn_lookup_finish_list(tdtd,
+ req->rq_xid);
+ LASSERT(dtrq != NULL);
+ spin_lock(&tdtd->tdtd_replay_list_lock);
+ list_del_init(&dtrq->dtrq_list);
+ spin_unlock(&tdtd->tdtd_replay_list_lock);
+ dtrq_destroy(dtrq);
+
+ drop_duplicate_replay_req(env, obd, req);
+
+ continue;
+ }
+
LASSERT(trd->trd_processing_task == current_pid());
- DEBUG_REQ(D_HA, req, "processing t"LPD64" from %s",
+ DEBUG_REQ(D_HA, req, "processing t%lld from %s",
lustre_msg_get_transno(req->rq_reqmsg),
libcfs_nid2str(req->rq_peer.nid));
obd->obd_replayed_requests++;
} else if (type == UPDATE_RECOVERY && transno != 0) {
struct distribute_txn_replay_req *dtrq;
+ int rc;
spin_unlock(&obd->obd_recovery_task_lock);
LASSERT(tdtd != NULL);
dtrq = distribute_txn_get_next_req(tdtd);
lu_context_enter(&thread->t_env->le_ctx);
- tdtd->tdtd_replay_handler(env, tdtd, dtrq);
+ rc = tdtd->tdtd_replay_handler(env, tdtd, dtrq);
lu_context_exit(&thread->t_env->le_ctx);
extend_recovery_timer(obd, obd_timeout, true);
- LASSERT(tdtd->tdtd_last_update_transno <= transno);
- tdtd->tdtd_last_update_transno = transno;
- spin_lock(&obd->obd_recovery_task_lock);
- if (transno > obd->obd_next_recovery_transno)
- obd->obd_next_recovery_transno = transno;
- spin_unlock(&obd->obd_recovery_task_lock);
- target_update_lcd(env, lut, dtrq);
- dtrq_destroy(dtrq);
+
+ if (rc == 0 && dtrq->dtrq_xid != 0) {
+ CDEBUG(D_HA, "Move x%llu t%llu"
+ " to finish list\n", dtrq->dtrq_xid,
+ dtrq->dtrq_master_transno);
+
+ /* Add it to the replay finish list */
+ spin_lock(&tdtd->tdtd_replay_list_lock);
+ list_add(&dtrq->dtrq_list,
+ &tdtd->tdtd_replay_finish_list);
+ spin_unlock(&tdtd->tdtd_replay_list_lock);
+
+ spin_lock(&obd->obd_recovery_task_lock);
+ if (transno == obd->obd_next_recovery_transno)
+ obd->obd_next_recovery_transno++;
+ else if (transno >
+ obd->obd_next_recovery_transno)
+ obd->obd_next_recovery_transno =
+ transno + 1;
+ spin_unlock(&obd->obd_recovery_task_lock);
+ } else {
+ dtrq_destroy(dtrq);
+ }
} else {
spin_unlock(&obd->obd_recovery_task_lock);
+abort:
LASSERT(list_empty(&obd->obd_req_replay_queue));
LASSERT(atomic_read(&obd->obd_req_replay_clients) == 0);
/** evict exports failed VBR */
/* next stage: replay requests or update */
delta = jiffies;
- CDEBUG(D_INFO, "1: request replay stage - %d clients from t"LPU64"\n",
+ CDEBUG(D_INFO, "1: request replay stage - %d clients from t%llu\n",
atomic_read(&obd->obd_req_replay_clients),
obd->obd_next_recovery_transno);
replay_request_or_update(env, lut, trd, thread);
struct obd_device *obd = lut->lut_obd;
int rc = 0;
struct target_recovery_data *trd = &obd->obd_recovery_data;
+ int index;
memset(trd, 0, sizeof(*trd));
init_completion(&trd->trd_starting);
init_completion(&trd->trd_finishing);
trd->trd_recovery_handler = handler;
+ rc = server_name2index(obd->obd_name, &index, NULL);
+ if (rc < 0)
+ return rc;
+
if (!IS_ERR(kthread_run(target_recovery_thread,
- lut, "tgt_recov"))) {
+ lut, "tgt_recover_%d", index))) {
wait_for_completion(&trd->trd_starting);
LASSERT(obd->obd_recovering != 0);
} else {
}
CDEBUG(D_HA, "RECOVERY: service %s, %d recoverable clients, "
- "last_transno "LPU64"\n", obd->obd_name,
+ "last_transno %llu\n", obd->obd_name,
obd->obd_max_recoverable_clients, obd->obd_last_committed);
LASSERT(obd->obd_stopping == 0);
obd->obd_next_recovery_transno = obd->obd_last_committed + 1;
wake_up(&obd->obd_next_transno_waitq);
spin_lock(&obd->obd_recovery_task_lock);
if (obd->obd_recovering) {
+ struct ptlrpc_request *tmp;
+ struct ptlrpc_request *duplicate = NULL;
+
+ if (likely(!req->rq_export->exp_replay_done)) {
+ req->rq_export->exp_replay_done = 1;
+ list_add_tail(&req->rq_list,
+ &obd->obd_final_req_queue);
+ spin_unlock(&obd->obd_recovery_task_lock);
+ RETURN(0);
+ }
+
+ /* XXX O(n), but only happens if final ping is
+ * timed out, probably reorganize the list as
+ * a hash list later */
+ list_for_each_entry_safe(reqiter, tmp,
+ &obd->obd_final_req_queue,
+ rq_list) {
+ if (reqiter->rq_export == req->rq_export) {
+ list_del_init(&reqiter->rq_list);
+ duplicate = reqiter;
+ break;
+ }
+ }
+
list_add_tail(&req->rq_list,
- &obd->obd_final_req_queue);
+ &obd->obd_final_req_queue);
+ req->rq_export->exp_replay_done = 1;
+ spin_unlock(&obd->obd_recovery_task_lock);
+
+ if (duplicate != NULL) {
+ DEBUG_REQ(D_HA, duplicate,
+ "put prev final req\n");
+ target_request_copy_put(duplicate);
+ }
+ RETURN(0);
} else {
spin_unlock(&obd->obd_recovery_task_lock);
target_request_copy_put(req);
RETURN(obd->obd_stopping ? -ENOTCONN : 1);
}
- spin_unlock(&obd->obd_recovery_task_lock);
- RETURN(0);
}
if (lustre_msg_get_flags(req->rq_reqmsg) & MSG_REQ_REPLAY_DONE) {
/* client declares he's ready to replay locks */
* Also, a resent, replayed request that has already been
* handled will pass through here and be processed immediately.
*/
- CDEBUG(D_HA, "Next recovery transno: "LPU64
- ", current: "LPU64", replaying\n",
+ CDEBUG(D_HA, "Next recovery transno: %llu"
+ ", current: %llu, replaying\n",
obd->obd_next_recovery_transno, transno);
+
+ /* If the request has been replayed by update replay, then sends this
+ * request to the recovery thread (replay_request_or_update()), where
+ * it will be handled */
spin_lock(&obd->obd_recovery_task_lock);
- if (transno < obd->obd_next_recovery_transno) {
+ if (transno < obd->obd_next_recovery_transno &&
+ !is_req_replayed_by_update(req)) {
/* Processing the queue right now, don't re-add. */
LASSERT(list_empty(&req->rq_list));
spin_unlock(&obd->obd_recovery_task_lock);
"%d)", exp->exp_obd->obd_no_transno,
req->rq_repmsg == NULL);
- CDEBUG(D_INFO, "last_committed "LPU64", transno "LPU64", xid "LPU64"\n",
+ CDEBUG(D_INFO, "last_committed %llu, transno %llu, xid %llu\n",
exp->exp_last_committed, req->rq_transno, req->rq_xid);
}
static int target_send_reply_msg(struct ptlrpc_request *req,
int rc, int fail_id)
{
- if (OBD_FAIL_CHECK_ORSET(fail_id & ~OBD_FAIL_ONCE, OBD_FAIL_ONCE)) {
- DEBUG_REQ(D_ERROR, req, "dropping reply");
- return (-ECOMM);
- }
-
- if (unlikely(rc)) {
- DEBUG_REQ(D_NET, req, "processing error (%d)", rc);
- req->rq_status = rc;
- return (ptlrpc_send_error(req, 1));
- } else {
- DEBUG_REQ(D_NET, req, "sending reply");
- }
+ if (OBD_FAIL_CHECK_ORSET(fail_id & ~OBD_FAIL_ONCE, OBD_FAIL_ONCE)) {
+ DEBUG_REQ(D_ERROR, req, "dropping reply");
+ return -ECOMM;
+ }
+ /* We can have a null rq_reqmsg in the event of bad signature or
+ * no context when unwrapping */
+ if (req->rq_reqmsg &&
+ unlikely(lustre_msg_get_opc(req->rq_reqmsg) == MDS_REINT &&
+ OBD_FAIL_CHECK(OBD_FAIL_MDS_REINT_MULTI_NET_REP)))
+ return -ECOMM;
+
+ if (unlikely(rc)) {
+ DEBUG_REQ(D_NET, req, "processing error (%d)", rc);
+ req->rq_status = rc;
+ return ptlrpc_send_error(req, 1);
+ } else {
+ DEBUG_REQ(D_NET, req, "sending reply");
+ }
- return (ptlrpc_send_reply(req, PTLRPC_REPLY_MAYBE_DIFFICULT));
+ return ptlrpc_send_reply(req, PTLRPC_REPLY_MAYBE_DIFFICULT);
}
void target_send_reply(struct ptlrpc_request *req, int rc, int fail_id)
rs->rs_opc = lustre_msg_get_opc(req->rq_reqmsg);
spin_lock(&exp->exp_uncommitted_replies_lock);
- CDEBUG(D_NET, "rs transno = "LPU64", last committed = "LPU64"\n",
+ CDEBUG(D_NET, "rs transno = %llu, last committed = %llu\n",
rs->rs_transno, exp->exp_last_committed);
if (rs->rs_transno > exp->exp_last_committed) {
/* not committed already */
EXIT;
}
-ldlm_mode_t lck_compat_array[] = {
+enum ldlm_mode lck_compat_array[] = {
[LCK_EX] = LCK_COMPAT_EX,
[LCK_PW] = LCK_COMPAT_PW,
[LCK_PR] = LCK_COMPAT_PR,
* Rather arbitrary mapping from LDLM error codes to errno values. This should
* not escape to the user level.
*/
-int ldlm_error2errno(ldlm_error_t error)
+int ldlm_error2errno(enum ldlm_error error)
{
- int result;
+ int result;
- switch (error) {
- case ELDLM_OK:
+ switch (error) {
+ case ELDLM_OK:
case ELDLM_LOCK_MATCHED:
result = 0;
break;
case ELDLM_BAD_NAMESPACE:
result = -EBADF;
break;
- default:
- if (((int)error) < 0) /* cast to signed type */
- result = error; /* as ldlm_error_t can be unsigned */
- else {
- CERROR("Invalid DLM result code: %d\n", error);
- result = -EPROTO;
- }
- }
- return result;
+ default:
+ if (((int)error) < 0) { /* cast to signed type */
+ result = error; /* as ldlm_error can be unsigned */
+ } else {
+ CERROR("Invalid DLM result code: %d\n", error);
+ result = -EPROTO;
+ }
+ }
+ return result;
}
EXPORT_SYMBOL(ldlm_error2errno);
/**
- * Dual to ldlm_error2errno(): maps errno values back to ldlm_error_t.
+ * Dual to ldlm_error2errno(): maps errno values back to enum ldlm_error.
*/
-ldlm_error_t ldlm_errno2error(int err_no)
+enum ldlm_error ldlm_errno2error(int err_no)
{
int error;
if (req->rq_bulk_read)
rc = sptlrpc_svc_wrap_bulk(req, desc);
- if ((exp->exp_connect_data.ocd_connect_flags &
- OBD_CONNECT_BULK_MBITS) != 0)
+ if (OCD_HAS_FLAG(&exp->exp_connect_data, BULK_MBITS))
req->rq_mbits = lustre_msg_get_mbits(req->rq_reqmsg);
else /* old version, bulk matchbits is rq_xid */
req->rq_mbits = req->rq_xid;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff