/*
* Copyright (c) 2001, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
+ *
+ * Copyright (c) 2011, 2012, Whamcloud, Inc.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
/**
* Validate oa from client.
- * 1. If the request comes from 1.8 clients, it will reset o_seq with MDT0.
- * 2. If the request comes from 2.0 clients, currently only RSVD seq and IDIF
- * req are valid.
- * a. for single MDS seq = FID_SEQ_OST_MDT0,
- * b. for CMD, seq = FID_SEQ_OST_MDT0, FID_SEQ_OST_MDT1 - FID_SEQ_OST_MAX
+ * If the request comes from 2.0 clients, currently only RSVD seq and IDIF
+ * req are valid.
+ * a. for single MDS seq = FID_SEQ_OST_MDT0,
+ * b. for CMD, seq = FID_SEQ_OST_MDT0, FID_SEQ_OST_MDT1 - FID_SEQ_OST_MAX
*/
static int ost_validate_obdo(struct obd_export *exp, struct obdo *oa,
struct obd_ioobj *ioobj)
{
- if (oa != NULL && (!(oa->o_valid & OBD_MD_FLGROUP) ||
- !(exp->exp_connect_flags & OBD_CONNECT_FULL20))) {
+ if (oa != NULL && !(oa->o_valid & OBD_MD_FLGROUP)) {
oa->o_seq = FID_SEQ_OST_MDT0;
if (ioobj)
ioobj->ioo_seq = FID_SEQ_OST_MDT0;
/* remove fid_seq_is_rsvd() after FID-on-OST allows SEQ > 9 */
- } else if (oa == NULL ||
- !(fid_seq_is_rsvd(oa->o_seq) || fid_seq_is_idif(oa->o_seq))) {
+ } else if (oa == NULL || !(fid_seq_is_rsvd(oa->o_seq) ||
+ fid_seq_is_mdt0(oa->o_seq))) {
CERROR("%s: client %s sent invalid object "POSTID"\n",
exp->exp_obd->obd_name, obd_export_nid2str(exp),
oa ? oa->o_id : -1, oa ? oa->o_seq : -1);
memcpy(&repbody->oa, &body->oa, sizeof(body->oa));
/* Do the destroy and set the reply status accordingly */
- req->rq_status = obd_destroy(exp, &body->oa, NULL, oti, NULL, capa);
+ req->rq_status = obd_destroy(exp, &repbody->oa, NULL, oti, NULL, capa);
RETURN(0);
}
if (rc)
RETURN(rc);
- rc = req_capsule_server_pack(&req->rq_pill);
- if (rc)
- RETURN(rc);
-
- rc = ost_lock_get(exp, &body->oa, 0, OBD_OBJECT_EOF, &lh, LCK_PR, 0);
- if (rc)
- RETURN(rc);
-
if (body->oa.o_valid & OBD_MD_FLOSSCAPA) {
capa = req_capsule_client_get(&req->rq_pill, &RMF_CAPA1);
if (capa == NULL) {
CERROR("Missing capability for OST GETATTR");
- GOTO(unlock, rc = -EFAULT);
+ RETURN(-EFAULT);
}
}
+ rc = req_capsule_server_pack(&req->rq_pill);
+ if (rc)
+ RETURN(rc);
+
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
+ repbody->oa = body->oa;
+
+ rc = ost_lock_get(exp, &repbody->oa, 0, OBD_OBJECT_EOF, &lh, LCK_PR, 0);
+ if (rc)
+ RETURN(rc);
+
OBD_ALLOC_PTR(oinfo);
if (!oinfo)
GOTO(unlock, rc = -ENOMEM);
- oinfo->oi_oa = &body->oa;
+ oinfo->oi_oa = &repbody->oa;
oinfo->oi_capa = capa;
req->rq_status = obd_getattr(exp, oinfo);
OBD_FREE_PTR(oinfo);
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
- repbody->oa = body->oa;
ost_drop_id(exp, &repbody->oa);
unlock:
ost_lock_put(exp, &lh, LCK_PR);
-
- RETURN(0);
+ RETURN(rc);
}
static int ost_statfs(struct ptlrpc_request *req)
if (body->oa.o_size == 0)
flags |= LDLM_AST_DISCARD_DATA;
- rc = ost_lock_get(exp, &body->oa, body->oa.o_size, body->oa.o_blocks,
- &lh, LCK_PW, flags);
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
+ repbody->oa = body->oa;
+
+ rc = ost_lock_get(exp, &repbody->oa, repbody->oa.o_size,
+ repbody->oa.o_blocks, &lh, LCK_PW, flags);
if (rc == 0) {
struct obd_info *oinfo;
struct lustre_capa *capa = NULL;
- if (body->oa.o_valid & OBD_MD_FLFLAGS &&
- body->oa.o_flags == OBD_FL_SRVLOCK)
+ if (repbody->oa.o_valid & OBD_MD_FLFLAGS &&
+ repbody->oa.o_flags == OBD_FL_SRVLOCK)
/*
* If OBD_FL_SRVLOCK is the only bit set in
* ->o_flags, clear OBD_MD_FLFLAGS to avoid falling
* through filter_setattr() to filter_iocontrol().
*/
- body->oa.o_valid &= ~OBD_MD_FLFLAGS;
+ repbody->oa.o_valid &= ~OBD_MD_FLFLAGS;
- if (body->oa.o_valid & OBD_MD_FLOSSCAPA) {
+ if (repbody->oa.o_valid & OBD_MD_FLOSSCAPA) {
capa = req_capsule_client_get(&req->rq_pill,
&RMF_CAPA1);
if (capa == NULL) {
OBD_ALLOC_PTR(oinfo);
if (!oinfo)
GOTO(unlock, rc = -ENOMEM);
- oinfo->oi_oa = &body->oa;
+ oinfo->oi_oa = &repbody->oa;
oinfo->oi_policy.l_extent.start = oinfo->oi_oa->o_size;
oinfo->oi_policy.l_extent.end = oinfo->oi_oa->o_blocks;
oinfo->oi_capa = capa;
+ oinfo->oi_flags = OBD_FL_PUNCH;
req->rq_status = obd_punch(exp, oinfo, oti, NULL);
OBD_FREE_PTR(oinfo);
ost_lock_put(exp, &lh, LCK_PW);
}
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
- repbody->oa = body->oa;
ost_drop_id(exp, &repbody->oa);
RETURN(rc);
}
if (rc)
RETURN(rc);
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
+ repbody->oa = body->oa;
+
OBD_ALLOC_PTR(oinfo);
if (!oinfo)
RETURN(-ENOMEM);
- oinfo->oi_oa = &body->oa;
+ oinfo->oi_oa = &repbody->oa;
oinfo->oi_capa = capa;
- req->rq_status = obd_sync(exp, oinfo, body->oa.o_size,
- body->oa.o_blocks, NULL);
+ req->rq_status = obd_sync(exp, oinfo, repbody->oa.o_size,
+ repbody->oa.o_blocks, NULL);
OBD_FREE_PTR(oinfo);
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
- repbody->oa = body->oa;
ost_drop_id(exp, &repbody->oa);
RETURN(0);
}
}
}
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
+ repbody->oa = body->oa;
+
OBD_ALLOC_PTR(oinfo);
if (!oinfo)
RETURN(-ENOMEM);
- oinfo->oi_oa = &body->oa;
+ oinfo->oi_oa = &repbody->oa;
oinfo->oi_capa = capa;
req->rq_status = obd_setattr(exp, oinfo, oti);
OBD_FREE_PTR(oinfo);
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
- repbody->oa = body->oa;
ost_drop_id(exp, &repbody->oa);
RETURN(0);
}
-static int ost_bulk_timeout(void *data)
-{
- ENTRY;
- /* We don't fail the connection here, because having the export
- * killed makes the (vital) call to commitrw very sad.
- */
- RETURN(1);
-}
-
static __u32 ost_checksum_bulk(struct ptlrpc_bulk_desc *desc, int opc,
cksum_type_t cksum_type)
{
kunmap(page);
}
- return cksum;
+ return fini_checksum(cksum, cksum_type);
}
static int ost_brw_lock_get(int mode, struct obd_export *exp,
EXIT;
}
-struct ost_prolong_data {
- struct obd_export *opd_exp;
- ldlm_policy_data_t opd_policy;
- struct obdo *opd_oa;
- ldlm_mode_t opd_mode;
- int opd_lock_match;
- int opd_timeout;
-};
-
-static int ost_prolong_locks_iter(struct ldlm_lock *lock, void *data)
-{
- struct ost_prolong_data *opd = data;
-
- LASSERT(lock->l_resource->lr_type == LDLM_EXTENT);
-
- if (lock->l_req_mode != lock->l_granted_mode) {
- /* scan granted locks only */
- return LDLM_ITER_STOP;
- }
-
- if (lock->l_export != opd->opd_exp) {
- /* prolong locks only for given client */
- return LDLM_ITER_CONTINUE;
- }
-
- if (!(lock->l_granted_mode & opd->opd_mode)) {
- /* we aren't interesting in all type of locks */
- return LDLM_ITER_CONTINUE;
- }
-
- if (lock->l_policy_data.l_extent.end < opd->opd_policy.l_extent.start ||
- lock->l_policy_data.l_extent.start > opd->opd_policy.l_extent.end) {
- /* the request doesn't cross the lock, skip it */
- return LDLM_ITER_CONTINUE;
- }
-
- /* Fill the obdo with the matched lock handle.
- * XXX: it is possible in some cases the IO RPC is covered by several
- * locks, even for the write case, so it may need to be a lock list. */
- if (opd->opd_oa && !(opd->opd_oa->o_valid & OBD_MD_FLHANDLE)) {
- opd->opd_oa->o_handle.cookie = lock->l_handle.h_cookie;
- opd->opd_oa->o_valid |= OBD_MD_FLHANDLE;
- }
-
- if (!(lock->l_flags & LDLM_FL_AST_SENT)) {
- /* ignore locks not being cancelled */
- return LDLM_ITER_CONTINUE;
- }
-
- CDEBUG(D_DLMTRACE,"refresh lock: "LPU64"/"LPU64" ("LPU64"->"LPU64")\n",
- lock->l_resource->lr_name.name[0],
- lock->l_resource->lr_name.name[1],
- opd->opd_policy.l_extent.start, opd->opd_policy.l_extent.end);
- /* OK. this is a possible lock the user holds doing I/O
- * let's refresh eviction timer for it */
- ldlm_refresh_waiting_lock(lock, opd->opd_timeout);
- opd->opd_lock_match = 1;
-
- return LDLM_ITER_CONTINUE;
-}
-
-static int ost_rw_prolong_locks(struct ptlrpc_request *req, struct obd_ioobj *obj,
- struct niobuf_remote *nb, struct obdo *oa,
- ldlm_mode_t mode)
-{
- struct ldlm_res_id res_id;
- int nrbufs = obj->ioo_bufcnt;
- struct ost_prolong_data opd = { 0 };
- ENTRY;
-
- osc_build_res_name(obj->ioo_id, obj->ioo_seq, &res_id);
-
- opd.opd_mode = mode;
- opd.opd_exp = req->rq_export;
- opd.opd_policy.l_extent.start = nb[0].offset & CFS_PAGE_MASK;
- opd.opd_policy.l_extent.end = (nb[nrbufs - 1].offset +
- nb[nrbufs - 1].len - 1) | ~CFS_PAGE_MASK;
-
- /* prolong locks for the current service time of the corresponding
- * portal (= OST_IO_PORTAL) */
- opd.opd_timeout = AT_OFF ? obd_timeout / 2:
- max(at_est2timeout(at_get(&req->rq_rqbd->
- rqbd_service->srv_at_estimate)), ldlm_timeout);
-
- CDEBUG(D_INFO,"refresh locks: "LPU64"/"LPU64" ("LPU64"->"LPU64")\n",
- res_id.name[0], res_id.name[1], opd.opd_policy.l_extent.start,
- opd.opd_policy.l_extent.end);
-
- if (oa->o_valid & OBD_MD_FLHANDLE) {
- struct ldlm_lock *lock;
-
- lock = ldlm_handle2lock(&oa->o_handle);
- if (lock != NULL) {
- ost_prolong_locks_iter(lock, &opd);
- if (opd.opd_lock_match) {
- LDLM_LOCK_PUT(lock);
- RETURN(1);
- }
-
- /* Check if the lock covers the whole IO region,
- * otherwise iterate through the resource. */
- if (lock->l_policy_data.l_extent.end >=
- opd.opd_policy.l_extent.end &&
- lock->l_policy_data.l_extent.start <=
- opd.opd_policy.l_extent.start) {
- LDLM_LOCK_PUT(lock);
- RETURN(0);
- }
- LDLM_LOCK_PUT(lock);
- }
- }
-
- opd.opd_oa = oa;
- ldlm_resource_iterate(req->rq_export->exp_obd->obd_namespace, &res_id,
- ost_prolong_locks_iter, &opd);
- RETURN(opd.opd_lock_match);
-}
-
/* Allocate thread local buffers if needed */
static struct ost_thread_local_cache *ost_tls_get(struct ptlrpc_request *r)
{
GOTO(out_lock, rc = -ETIMEDOUT);
}
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
+ memcpy(&repbody->oa, &body->oa, sizeof(repbody->oa));
+
npages = OST_THREAD_POOL_SIZE;
- rc = obd_preprw(OBD_BRW_READ, exp, &body->oa, 1, ioo,
+ rc = obd_preprw(OBD_BRW_READ, exp, &repbody->oa, 1, ioo,
remote_nb, &npages, local_nb, oti, capa);
if (rc != 0)
GOTO(out_lock, rc);
if (desc == NULL)
GOTO(out_commitrw, rc = -ENOMEM);
- if (!lustre_handle_is_used(&lockh))
- /* no needs to try to prolong lock if server is asked
- * to handle locking (= OBD_BRW_SRVLOCK) */
- ost_rw_prolong_locks(req, ioo, remote_nb, &body->oa,
- LCK_PW | LCK_PR);
-
nob = 0;
for (i = 0; i < npages; i++) {
int page_rc = local_nb[i].rc;
}
if (body->oa.o_valid & OBD_MD_FLCKSUM) {
- cksum_type_t cksum_type = OBD_CKSUM_CRC32;
-
- if (body->oa.o_valid & OBD_MD_FLFLAGS)
- cksum_type = cksum_type_unpack(body->oa.o_flags);
- body->oa.o_flags = cksum_type_pack(cksum_type);
- body->oa.o_valid = OBD_MD_FLCKSUM | OBD_MD_FLFLAGS;
- body->oa.o_cksum = ost_checksum_bulk(desc, OST_READ, cksum_type);
- CDEBUG(D_PAGE,"checksum at read origin: %x\n",body->oa.o_cksum);
+ cksum_type_t cksum_type =
+ cksum_type_unpack(repbody->oa.o_valid & OBD_MD_FLFLAGS ?
+ repbody->oa.o_flags : 0);
+ repbody->oa.o_flags = cksum_type_pack(cksum_type);
+ repbody->oa.o_valid = OBD_MD_FLCKSUM | OBD_MD_FLFLAGS;
+ repbody->oa.o_cksum = ost_checksum_bulk(desc, OST_READ,cksum_type);
+ CDEBUG(D_PAGE, "checksum at read origin: %x\n",
+ repbody->oa.o_cksum);
} else {
- body->oa.o_valid = 0;
+ repbody->oa.o_valid = 0;
}
/* We're finishing using body->oa as an input variable */
/* Check if client was evicted while we were doing i/o before touching
network */
if (rc == 0) {
- /* Check if there is eviction in progress, and if so, wait for
- * it to finish */
- if (unlikely(cfs_atomic_read(&exp->exp_obd->
- obd_evict_inprogress))) {
- lwi = LWI_INTR(NULL, NULL);
- rc = l_wait_event(exp->exp_obd->
- obd_evict_inprogress_waitq,
- !cfs_atomic_read(&exp->exp_obd->
- obd_evict_inprogress),
- &lwi);
- }
- /* Check if client was evicted or tried to reconnect already */
- if (exp->exp_failed || exp->exp_abort_active_req)
- rc = -ENOTCONN;
- else {
- rc = sptlrpc_svc_wrap_bulk(req, desc);
- if (rc == 0)
- rc = ptlrpc_start_bulk_transfer(desc);
- }
-
- if (rc == 0) {
- time_t start = cfs_time_current_sec();
- do {
- long timeoutl = req->rq_deadline -
- cfs_time_current_sec();
- cfs_duration_t timeout = timeoutl <= 0 ?
- CFS_TICK : cfs_time_seconds(timeoutl);
- lwi = LWI_TIMEOUT_INTERVAL(timeout,
- cfs_time_seconds(1),
- ost_bulk_timeout,
- desc);
- rc = l_wait_event(desc->bd_waitq,
- !ptlrpc_server_bulk_active(desc) ||
- exp->exp_failed ||
- exp->exp_abort_active_req,
- &lwi);
- LASSERT(rc == 0 || rc == -ETIMEDOUT);
- /* Wait again if we changed deadline */
- } while ((rc == -ETIMEDOUT) &&
- (req->rq_deadline > cfs_time_current_sec()));
-
- if (rc == -ETIMEDOUT) {
- DEBUG_REQ(D_ERROR, req,
- "timeout on bulk PUT after %ld%+lds",
- req->rq_deadline - start,
- cfs_time_current_sec() -
- req->rq_deadline);
- ptlrpc_abort_bulk(desc);
- } else if (exp->exp_failed) {
- DEBUG_REQ(D_ERROR, req, "Eviction on bulk PUT");
- rc = -ENOTCONN;
- ptlrpc_abort_bulk(desc);
- } else if (exp->exp_abort_active_req) {
- DEBUG_REQ(D_ERROR, req, "Reconnect on bulk PUT");
- /* we don't reply anyway */
- rc = -ETIMEDOUT;
- ptlrpc_abort_bulk(desc);
- } else if (!desc->bd_success ||
- desc->bd_nob_transferred != desc->bd_nob) {
- DEBUG_REQ(D_ERROR, req, "%s bulk PUT %d(%d)",
- desc->bd_success ?
- "truncated" : "network error on",
- desc->bd_nob_transferred,
- desc->bd_nob);
- /* XXX should this be a different errno? */
- rc = -ETIMEDOUT;
- }
- } else {
- DEBUG_REQ(D_ERROR, req, "bulk PUT failed: rc %d", rc);
- }
+ if (likely(!CFS_FAIL_PRECHECK(OBD_FAIL_PTLRPC_CLIENT_BULK_CB2)))
+ rc = target_bulk_io(exp, desc, &lwi);
no_reply = rc != 0;
}
out_commitrw:
/* Must commit after prep above in all cases */
- rc = obd_commitrw(OBD_BRW_READ, exp, &body->oa, 1, ioo,
+ rc = obd_commitrw(OBD_BRW_READ, exp, &repbody->oa, 1, ioo,
remote_nb, npages, local_nb, oti, rc);
- if (rc == 0) {
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
- memcpy(&repbody->oa, &body->oa, sizeof(repbody->oa));
+ if (rc == 0)
ost_drop_id(exp, &repbody->oa);
- }
out_lock:
ost_brw_lock_put(LCK_PR, ioo, remote_nb, &lockh);
out_tls:
ost_tls_put(req);
out_bulk:
- if (desc)
+ if (desc && !CFS_FAIL_PRECHECK(OBD_FAIL_PTLRPC_CLIENT_BULK_CB2))
ptlrpc_free_bulk(desc);
out:
LASSERT(rc <= 0);
} else {
/* reply out callback would free */
ptlrpc_req_drop_rs(req);
- CWARN("%s: ignoring bulk IO comm error with %s@%s id %s - "
- "client will retry\n",
- exp->exp_obd->obd_name,
- exp->exp_client_uuid.uuid,
- exp->exp_connection->c_remote_uuid.uuid,
- libcfs_id2str(req->rq_peer));
+ LCONSOLE_WARN("%s: Bulk IO read error with %s (at %s), "
+ "client will retry: rc %d\n",
+ exp->exp_obd->obd_name,
+ obd_uuid2str(&exp->exp_client_uuid),
+ obd_export_nid2str(exp), rc);
+ }
+ /* send a bulk after reply to simulate a network delay or reordering
+ * by a router */
+ if (unlikely(CFS_FAIL_PRECHECK(OBD_FAIL_PTLRPC_CLIENT_BULK_CB2))) {
+ cfs_waitq_t waitq;
+ struct l_wait_info lwi1;
+
+ CDEBUG(D_INFO, "reorder BULK\n");
+ cfs_waitq_init(&waitq);
+
+ lwi1 = LWI_TIMEOUT_INTR(cfs_time_seconds(3), NULL, NULL, NULL);
+ l_wait_event(waitq, 0, &lwi1);
+ rc = target_bulk_io(exp, desc, &lwi);
+ ptlrpc_free_bulk(desc);
}
RETURN(rc);
/* pause before transaction has been started */
OBD_FAIL_TIMEOUT(OBD_FAIL_OST_BRW_PAUSE_BULK, (obd_timeout + 1) / 4);
- /* Check if there is eviction in progress, and if so, wait for it to
- * finish */
- if (unlikely(cfs_atomic_read(&exp->exp_obd->obd_evict_inprogress))) {
- lwi = LWI_INTR(NULL, NULL); // We do not care how long it takes
- rc = l_wait_event(exp->exp_obd->obd_evict_inprogress_waitq,
- !cfs_atomic_read(&exp->exp_obd->obd_evict_inprogress),
- &lwi);
- }
- if (exp->exp_failed)
- GOTO(out, rc = -ENOTCONN);
-
/* ost_body, ioobj & noibuf_remote are verified and swabbed in
* ost_rw_hpreq_check(). */
body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
GOTO(out_lock, rc = -ETIMEDOUT);
}
- if (!lustre_handle_is_used(&lockh))
- /* no needs to try to prolong lock if server is asked
- * to handle locking (= OBD_BRW_SRVLOCK) */
- ost_rw_prolong_locks(req, ioo, remote_nb,&body->oa, LCK_PW);
-
/* obd_preprw clobbers oa->valid, so save what we need */
if (body->oa.o_valid & OBD_MD_FLCKSUM) {
client_cksum = body->oa.o_cksum;
o_uid = body->oa.o_uid;
o_gid = body->oa.o_gid;
}
+
+ repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
+ memcpy(&repbody->oa, &body->oa, sizeof(repbody->oa));
+
npages = OST_THREAD_POOL_SIZE;
- rc = obd_preprw(OBD_BRW_WRITE, exp, &body->oa, objcount,
+ rc = obd_preprw(OBD_BRW_WRITE, exp, &repbody->oa, objcount,
ioo, remote_nb, &npages, local_nb, oti, capa);
if (rc != 0)
GOTO(out_lock, rc);
if (rc != 0)
GOTO(out_lock, rc);
- /* Check if client was evicted or tried to reconnect while we
- * were doing i/o before touching network */
- if (desc->bd_export->exp_failed ||
- desc->bd_export->exp_abort_active_req)
- rc = -ENOTCONN;
- else
- rc = ptlrpc_start_bulk_transfer(desc);
- if (rc == 0) {
- time_t start = cfs_time_current_sec();
- do {
- long timeoutl = req->rq_deadline -
- cfs_time_current_sec();
- cfs_duration_t timeout = timeoutl <= 0 ?
- CFS_TICK : cfs_time_seconds(timeoutl);
- lwi = LWI_TIMEOUT_INTERVAL(timeout, cfs_time_seconds(1),
- ost_bulk_timeout, desc);
- rc = l_wait_event(desc->bd_waitq,
- !ptlrpc_server_bulk_active(desc) ||
- desc->bd_export->exp_failed ||
- desc->bd_export->exp_abort_active_req,
- &lwi);
- LASSERT(rc == 0 || rc == -ETIMEDOUT);
- /* Wait again if we changed deadline */
- } while ((rc == -ETIMEDOUT) &&
- (req->rq_deadline > cfs_time_current_sec()));
-
- if (rc == -ETIMEDOUT) {
- DEBUG_REQ(D_ERROR, req,
- "timeout on bulk GET after %ld%+lds",
- req->rq_deadline - start,
- cfs_time_current_sec() -
- req->rq_deadline);
- ptlrpc_abort_bulk(desc);
- } else if (desc->bd_export->exp_failed) {
- DEBUG_REQ(D_ERROR, req, "Eviction on bulk GET");
- rc = -ENOTCONN;
- ptlrpc_abort_bulk(desc);
- } else if (desc->bd_export->exp_abort_active_req) {
- DEBUG_REQ(D_ERROR, req, "Reconnect on bulk GET");
- /* we don't reply anyway */
- rc = -ETIMEDOUT;
- ptlrpc_abort_bulk(desc);
- } else if (!desc->bd_success) {
- DEBUG_REQ(D_ERROR, req, "network error on bulk GET");
- /* XXX should this be a different errno? */
- rc = -ETIMEDOUT;
- } else {
- rc = sptlrpc_svc_unwrap_bulk(req, desc);
- }
- } else {
- DEBUG_REQ(D_ERROR, req, "ptlrpc_bulk_get failed: rc %d", rc);
- }
+ rc = target_bulk_io(exp, desc, &lwi);
no_reply = rc != 0;
skip_transfer:
- repbody = req_capsule_server_get(&req->rq_pill, &RMF_OST_BODY);
- memcpy(&repbody->oa, &body->oa, sizeof(repbody->oa));
-
- if (unlikely(client_cksum != 0 && rc == 0)) {
+ if (client_cksum != 0 && rc == 0) {
static int cksum_counter;
repbody->oa.o_valid |= OBD_MD_FLCKSUM | OBD_MD_FLFLAGS;
repbody->oa.o_flags &= ~OBD_FL_CKSUM_ALL;
*/
repbody->oa.o_valid &= ~(OBD_MD_FLMTIME | OBD_MD_FLATIME);
- if (unlikely(client_cksum != server_cksum && rc == 0 && !mmap)) {
+ if (unlikely(client_cksum != server_cksum && rc == 0 && !mmap)) {
int new_cksum = ost_checksum_bulk(desc, OST_WRITE, cksum_type);
char *msg;
char *via;
} else {
/* reply out callback would free */
ptlrpc_req_drop_rs(req);
- CWARN("%s: ignoring bulk IO comm error with %s@%s id %s - "
- "client will retry\n",
- exp->exp_obd->obd_name,
- exp->exp_client_uuid.uuid,
- exp->exp_connection->c_remote_uuid.uuid,
- libcfs_id2str(req->rq_peer));
+ LCONSOLE_WARN("%s: Bulk IO write error with %s (at %s), "
+ "client will retry: rc %d\n",
+ exp->exp_obd->obd_name,
+ obd_uuid2str(&exp->exp_client_uuid),
+ obd_export_nid2str(exp), rc);
}
cfs_memory_pressure_clr();
RETURN(rc);
RETURN(0);
default:
- DEBUG_REQ(D_ERROR, req, "not permitted during recovery");
+ DEBUG_REQ(D_WARNING, req, "not permitted during recovery");
*process = -EAGAIN;
RETURN(0);
}
return rc;
}
+struct ost_prolong_data {
+ struct ptlrpc_request *opd_req;
+ struct obd_export *opd_exp;
+ struct obdo *opd_oa;
+ struct ldlm_res_id opd_resid;
+ struct ldlm_extent opd_extent;
+ ldlm_mode_t opd_mode;
+ unsigned int opd_locks;
+ int opd_timeout;
+};
+
+/* prolong locks for the current service time of the corresponding
+ * portal (= OST_IO_PORTAL)
+ */
+static inline int prolong_timeout(struct ptlrpc_request *req)
+{
+ struct ptlrpc_service *svc = req->rq_rqbd->rqbd_service;
+
+ if (AT_OFF)
+ return obd_timeout / 2;
+
+ return max(at_est2timeout(at_get(&svc->srv_at_estimate)), ldlm_timeout);
+}
+
+static void ost_prolong_lock_one(struct ost_prolong_data *opd,
+ struct ldlm_lock *lock)
+{
+ LASSERT(lock->l_req_mode == lock->l_granted_mode);
+ LASSERT(lock->l_export == opd->opd_exp);
+
+ /* XXX: never try to grab resource lock here because we're inside
+ * exp_bl_list_lock; in ldlm_lockd.c to handle waiting list we take
+ * res lock and then exp_bl_list_lock. */
+
+ if (!(lock->l_flags & LDLM_FL_AST_SENT))
+ /* ignore locks not being cancelled */
+ return;
+
+ LDLM_DEBUG(lock,
+ "refreshed for req x"LPU64" ext("LPU64"->"LPU64") to %ds.\n",
+ opd->opd_req->rq_xid, opd->opd_extent.start,
+ opd->opd_extent.end, opd->opd_timeout);
+
+ /* OK. this is a possible lock the user holds doing I/O
+ * let's refresh eviction timer for it */
+ ldlm_refresh_waiting_lock(lock, opd->opd_timeout);
+ ++opd->opd_locks;
+}
+
+static void ost_prolong_locks(struct ost_prolong_data *data)
+{
+ struct obd_export *exp = data->opd_exp;
+ struct obdo *oa = data->opd_oa;
+ struct ldlm_lock *lock;
+ ENTRY;
+
+ if (oa->o_valid & OBD_MD_FLHANDLE) {
+ /* mostly a request should be covered by only one lock, try
+ * fast path. */
+ lock = ldlm_handle2lock(&oa->o_handle);
+ if (lock != NULL) {
+ /* Fast path to check if the lock covers the whole IO
+ * region exclusively. */
+ if (lock->l_granted_mode == LCK_PW &&
+ ldlm_extent_contain(&lock->l_policy_data.l_extent,
+ &data->opd_extent)) {
+ /* bingo */
+ ost_prolong_lock_one(data, lock);
+ LDLM_LOCK_PUT(lock);
+ RETURN_EXIT;
+ }
+ LDLM_LOCK_PUT(lock);
+ }
+ }
+
+
+ cfs_spin_lock_bh(&exp->exp_bl_list_lock);
+ cfs_list_for_each_entry(lock, &exp->exp_bl_list, l_exp_list) {
+ LASSERT(lock->l_flags & LDLM_FL_AST_SENT);
+ LASSERT(lock->l_resource->lr_type == LDLM_EXTENT);
+
+ if (!ldlm_res_eq(&data->opd_resid, &lock->l_resource->lr_name))
+ continue;
+
+ if (!ldlm_extent_overlap(&lock->l_policy_data.l_extent,
+ &data->opd_extent))
+ continue;
+
+ ost_prolong_lock_one(data, lock);
+ }
+ cfs_spin_unlock_bh(&exp->exp_bl_list_lock);
+
+ EXIT;
+}
+
/**
* Returns 1 if the given PTLRPC matches the given LDLM locks, or 0 if it does
* not.
{
struct niobuf_remote *nb;
struct obd_ioobj *ioo;
- struct ost_body *body;
- int objcount, niocount;
- int mode, opc, i, rc;
- __u64 start, end;
+ int mode, opc;
+ struct ldlm_extent ext;
ENTRY;
opc = lustre_msg_get_opc(req->rq_reqmsg);
LASSERT(opc == OST_READ || opc == OST_WRITE);
- /* As the request may be covered by several locks, do not look at
- * o_handle, look at the RPC IO region. */
- body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
- if (body == NULL)
- RETURN(0);
-
- objcount = req_capsule_get_size(&req->rq_pill, &RMF_OBD_IOOBJ,
- RCL_CLIENT) / sizeof(*ioo);
ioo = req_capsule_client_get(&req->rq_pill, &RMF_OBD_IOOBJ);
- if (ioo == NULL)
- RETURN(0);
-
- rc = ost_validate_obdo(req->rq_export, &body->oa, ioo);
- if (rc)
- RETURN(rc);
-
- for (niocount = i = 0; i < objcount; i++)
- niocount += ioo[i].ioo_bufcnt;
+ LASSERT(ioo != NULL);
nb = req_capsule_client_get(&req->rq_pill, &RMF_NIOBUF_REMOTE);
- if (nb == NULL ||
- niocount != (req_capsule_get_size(&req->rq_pill, &RMF_NIOBUF_REMOTE,
- RCL_CLIENT) / sizeof(*nb)))
- RETURN(0);
+ LASSERT(nb != NULL);
- mode = LCK_PW;
- if (opc == OST_READ)
- mode |= LCK_PR;
-
- start = nb[0].offset & CFS_PAGE_MASK;
- end = (nb[ioo->ioo_bufcnt - 1].offset +
- nb[ioo->ioo_bufcnt - 1].len - 1) | ~CFS_PAGE_MASK;
+ ext.start = nb->offset;
+ nb += ioo->ioo_bufcnt - 1;
+ ext.end = nb->offset + nb->len - 1;
LASSERT(lock->l_resource != NULL);
if (!osc_res_name_eq(ioo->ioo_id, ioo->ioo_seq,
&lock->l_resource->lr_name))
RETURN(0);
+ mode = LCK_PW;
+ if (opc == OST_READ)
+ mode |= LCK_PR;
if (!(lock->l_granted_mode & mode))
RETURN(0);
- if (lock->l_policy_data.l_extent.end < start ||
- lock->l_policy_data.l_extent.start > end)
- RETURN(0);
-
- RETURN(1);
+ RETURN(ldlm_extent_overlap(&lock->l_policy_data.l_extent, &ext));
}
/**
*/
static int ost_rw_hpreq_check(struct ptlrpc_request *req)
{
- struct niobuf_remote *nb;
- struct obd_ioobj *ioo;
+ struct obd_device *obd = req->rq_export->exp_obd;
struct ost_body *body;
- int objcount, niocount;
- int mode, opc, i, rc;
+ struct obd_ioobj *ioo;
+ struct niobuf_remote *nb;
+ struct ost_prolong_data opd = { 0 };
+ int mode, opc;
ENTRY;
+ /*
+ * Use LASSERT to do sanity check because malformed RPCs should have
+ * been filtered out in ost_hpreq_handler().
+ */
opc = lustre_msg_get_opc(req->rq_reqmsg);
LASSERT(opc == OST_READ || opc == OST_WRITE);
body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
- if (body == NULL)
- RETURN(-EFAULT);
+ LASSERT(body != NULL);
- objcount = req_capsule_get_size(&req->rq_pill, &RMF_OBD_IOOBJ,
- RCL_CLIENT) / sizeof(*ioo);
ioo = req_capsule_client_get(&req->rq_pill, &RMF_OBD_IOOBJ);
- if (ioo == NULL)
- RETURN(-EFAULT);
+ LASSERT(ioo != NULL);
- rc = ost_validate_obdo(req->rq_export, &body->oa, ioo);
- if (rc)
- RETURN(rc);
-
- for (niocount = i = 0; i < objcount; i++)
- niocount += ioo[i].ioo_bufcnt;
nb = req_capsule_client_get(&req->rq_pill, &RMF_NIOBUF_REMOTE);
- if (nb == NULL ||
- niocount != (req_capsule_get_size(&req->rq_pill, &RMF_NIOBUF_REMOTE,
- RCL_CLIENT) / sizeof(*nb)))
- RETURN(-EFAULT);
- if (niocount != 0 && (nb[0].flags & OBD_BRW_SRVLOCK))
- RETURN(-EFAULT);
+ LASSERT(nb != NULL);
+ LASSERT(!(nb->flags & OBD_BRW_SRVLOCK));
+
+ osc_build_res_name(ioo->ioo_id, ioo->ioo_seq, &opd.opd_resid);
+ opd.opd_req = req;
mode = LCK_PW;
if (opc == OST_READ)
mode |= LCK_PR;
- RETURN(ost_rw_prolong_locks(req, ioo, nb, &body->oa, mode));
-}
+ opd.opd_mode = mode;
+ opd.opd_exp = req->rq_export;
+ opd.opd_oa = &body->oa;
+ opd.opd_extent.start = nb->offset;
+ nb += ioo->ioo_bufcnt - 1;
+ opd.opd_extent.end = nb->offset + nb->len - 1;
+ opd.opd_timeout = prolong_timeout(req);
-static int ost_punch_prolong_locks(struct ptlrpc_request *req, struct obdo *oa)
-{
- struct ldlm_res_id res_id = { .name = { oa->o_id } };
- struct ost_prolong_data opd = { 0 };
- __u64 start, end;
- ENTRY;
+ DEBUG_REQ(D_RPCTRACE, req,
+ "%s %s: refresh rw locks: " LPU64"/"LPU64" ("LPU64"->"LPU64")\n",
+ obd->obd_name, cfs_current()->comm,
+ opd.opd_resid.name[0], opd.opd_resid.name[1],
+ opd.opd_extent.start, opd.opd_extent.end);
- start = oa->o_size;
- end = start + oa->o_blocks;
+ ost_prolong_locks(&opd);
- opd.opd_mode = LCK_PW;
- opd.opd_exp = req->rq_export;
- opd.opd_policy.l_extent.start = start & CFS_PAGE_MASK;
- if (oa->o_blocks == OBD_OBJECT_EOF || end < start)
- opd.opd_policy.l_extent.end = OBD_OBJECT_EOF;
- else
- opd.opd_policy.l_extent.end = end | ~CFS_PAGE_MASK;
-
- /* prolong locks for the current service time of the corresponding
- * portal (= OST_IO_PORTAL) */
- opd.opd_timeout = AT_OFF ? obd_timeout / 2:
- max(at_est2timeout(at_get(&req->rq_rqbd->
- rqbd_service->srv_at_estimate)), ldlm_timeout);
-
- CDEBUG(D_DLMTRACE,"refresh locks: "LPU64"/"LPU64" ("LPU64"->"LPU64")\n",
- res_id.name[0], res_id.name[1], opd.opd_policy.l_extent.start,
- opd.opd_policy.l_extent.end);
-
- opd.opd_oa = oa;
- ldlm_resource_iterate(req->rq_export->exp_obd->obd_namespace, &res_id,
- ost_prolong_locks_iter, &opd);
- RETURN(opd.opd_lock_match);
+ CDEBUG(D_DLMTRACE, "%s: refreshed %u locks timeout for req %p.\n",
+ obd->obd_name, opd.opd_locks, req);
+
+ RETURN(opd.opd_locks);
+}
+
+static void ost_rw_hpreq_fini(struct ptlrpc_request *req)
+{
+ (void)ost_rw_hpreq_check(req);
}
/**
struct ldlm_lock *lock)
{
struct ost_body *body;
- int rc;
ENTRY;
body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
- if (body == NULL)
- RETURN(0); /* can't return -EFAULT here */
-
- rc = ost_validate_obdo(req->rq_export, &body->oa, NULL);
- if (rc)
- RETURN(rc);
+ LASSERT(body != NULL);
if (body->oa.o_valid & OBD_MD_FLHANDLE &&
body->oa.o_handle.cookie == lock->l_handle.h_cookie)
RETURN(1);
+
RETURN(0);
}
*/
static int ost_punch_hpreq_check(struct ptlrpc_request *req)
{
+ struct obd_device *obd = req->rq_export->exp_obd;
struct ost_body *body;
- int rc;
+ struct obdo *oa;
+ struct ost_prolong_data opd = { 0 };
+ __u64 start, end;
+ ENTRY;
body = req_capsule_client_get(&req->rq_pill, &RMF_OST_BODY);
- if (body == NULL)
- RETURN(-EFAULT);
+ LASSERT(body != NULL);
- rc = ost_validate_obdo(req->rq_export, &body->oa, NULL);
- if (rc)
- RETURN(rc);
+ oa = &body->oa;
+ LASSERT(!(oa->o_valid & OBD_MD_FLFLAGS) ||
+ !(oa->o_flags & OBD_FL_SRVLOCK));
+
+ start = oa->o_size;
+ end = start + oa->o_blocks;
+
+ opd.opd_req = req;
+ opd.opd_mode = LCK_PW;
+ opd.opd_exp = req->rq_export;
+ opd.opd_oa = oa;
+ opd.opd_extent.start = start;
+ opd.opd_extent.end = end;
+ if (oa->o_blocks == OBD_OBJECT_EOF)
+ opd.opd_extent.end = OBD_OBJECT_EOF;
+ opd.opd_timeout = prolong_timeout(req);
+
+ osc_build_res_name(oa->o_id, oa->o_seq, &opd.opd_resid);
+
+ CDEBUG(D_DLMTRACE,
+ "%s: refresh locks: "LPU64"/"LPU64" ("LPU64"->"LPU64")\n",
+ obd->obd_name,
+ opd.opd_resid.name[0], opd.opd_resid.name[1],
+ opd.opd_extent.start, opd.opd_extent.end);
- LASSERT(!(body->oa.o_valid & OBD_MD_FLFLAGS) ||
- !(body->oa.o_flags & OBD_FL_SRVLOCK));
+ ost_prolong_locks(&opd);
- RETURN(ost_punch_prolong_locks(req, &body->oa));
+ CDEBUG(D_DLMTRACE, "%s: refreshed %u locks timeout for req %p.\n",
+ obd->obd_name, opd.opd_locks, req);
+
+ RETURN(opd.opd_locks > 0);
+}
+
+static void ost_punch_hpreq_fini(struct ptlrpc_request *req)
+{
+ (void)ost_punch_hpreq_check(req);
}
struct ptlrpc_hpreq_ops ost_hpreq_rw = {
- .hpreq_lock_match = ost_rw_hpreq_lock_match,
- .hpreq_check = ost_rw_hpreq_check,
+ .hpreq_lock_match = ost_rw_hpreq_lock_match,
+ .hpreq_check = ost_rw_hpreq_check,
+ .hpreq_fini = ost_rw_hpreq_fini
};
struct ptlrpc_hpreq_ops ost_hpreq_punch = {
- .hpreq_lock_match = ost_punch_hpreq_lock_match,
- .hpreq_check = ost_punch_hpreq_check,
+ .hpreq_lock_match = ost_punch_hpreq_lock_match,
+ .hpreq_check = ost_punch_hpreq_check,
+ .hpreq_fini = ost_punch_hpreq_fini
};
/** Assign high priority operations to the request if needed. */
struct niobuf_remote *nb;
struct obd_ioobj *ioo;
int objcount, niocount;
+ int rc;
int i;
/* RPCs on the H-P queue can be inspected before
RETURN(-EFAULT);
}
+ rc = ost_validate_obdo(req->rq_export, &body->oa, ioo);
+ if (rc) {
+ CERROR("invalid object ids\n");
+ RETURN(rc);
+ }
+
for (niocount = i = 0; i < objcount; i++) {
if (ioo[i].ioo_bufcnt == 0) {
CERROR("ioo[%d] has zero bufcnt\n", i);
struct obd_device *obd = NULL;
ENTRY;
+ /* OST module is kept between remounts, but the last reference
+ * to specific module (say, osd or ofd) kills all related keys
+ * from the environment. so we have to refill it until the root
+ * cause is fixed properly */
+ lu_env_refill(req->rq_svc_thread->t_env);
+
LASSERT(current->journal_info == NULL);
/* primordial rpcs don't affect server recovery */
lprocfs_ost_init_vars(&lvars);
lprocfs_obd_setup(obd, lvars.obd_vars);
- cfs_sema_init(&ost->ost_health_sem, 1);
+ cfs_mutex_init(&ost->ost_health_mutex);
if (oss_num_threads) {
/* If oss_num_threads is set, it is the min and the max. */
/* there is no recovery for OST OBD, all recovery is controlled by
* obdfilter OBD */
LASSERT(obd->obd_recovering == 0);
- cfs_down(&ost->ost_health_sem);
+ cfs_mutex_lock(&ost->ost_health_mutex);
ptlrpc_unregister_service(ost->ost_service);
ptlrpc_unregister_service(ost->ost_create_service);
ptlrpc_unregister_service(ost->ost_io_service);
ost->ost_service = NULL;
ost->ost_create_service = NULL;
- cfs_up(&ost->ost_health_sem);
+ cfs_mutex_unlock(&ost->ost_health_mutex);
lprocfs_obd_cleanup(obd);
struct ost_obd *ost = &obd->u.ost;
int rc = 0;
- cfs_down(&ost->ost_health_sem);
+ cfs_mutex_lock(&ost->ost_health_mutex);
rc |= ptlrpc_service_health_check(ost->ost_service);
rc |= ptlrpc_service_health_check(ost->ost_create_service);
rc |= ptlrpc_service_health_check(ost->ost_io_service);
- cfs_up(&ost->ost_health_sem);
+ cfs_mutex_unlock(&ost->ost_health_mutex);
/*
* health_check to return 0 on healthy
git://git.whamcloud.com / fs / lustre-release.git / blobdiff