/* Macro to hide a typecast. */
#define ptlrpc_req_async_args(req) ((void *)&req->rq_async_args)
+struct ptlrpc_replay_async_args {
+ int praa_old_state;
+ int praa_old_status;
+};
+
/**
* Structure to single define portal connection.
*/
void (*hpreq_fini)(struct ptlrpc_request *);
};
+struct ptlrpc_cli_req {
+ /** For bulk requests on client only: bulk descriptor */
+ struct ptlrpc_bulk_desc *cr_bulk;
+ /** optional time limit for send attempts */
+ cfs_duration_t cr_delay_limit;
+ /** time request was first queued */
+ cfs_time_t cr_queued_time;
+ /** request sent timeval */
+ struct timeval cr_sent_tv;
+ /** time for request really sent out */
+ time_t cr_sent_out;
+ /** when req reply unlink must finish. */
+ time_t cr_reply_deadline;
+ /** when req bulk unlink must finish. */
+ time_t cr_bulk_deadline;
+ /** Portal to which this request would be sent */
+ short cr_req_ptl;
+ /** Portal where to wait for reply and where reply would be sent */
+ short cr_rep_ptl;
+ /** request resending number */
+ unsigned int cr_resend_nr;
+ /** What was import generation when this request was sent */
+ int cr_imp_gen;
+ enum lustre_imp_state cr_send_state;
+ /** Per-request waitq introduced by bug 21938 for recovery waiting */
+ wait_queue_head_t cr_set_waitq;
+ /** Link item for request set lists */
+ struct list_head cr_set_chain;
+ /** link to waited ctx */
+ struct list_head cr_ctx_chain;
+
+ /** client's half ctx */
+ struct ptlrpc_cli_ctx *cr_cli_ctx;
+ /** Link back to the request set */
+ struct ptlrpc_request_set *cr_set;
+ /** outgoing request MD handle */
+ lnet_handle_md_t cr_req_md_h;
+ /** request-out callback parameter */
+ struct ptlrpc_cb_id cr_req_cbid;
+ /** incoming reply MD handle */
+ lnet_handle_md_t cr_reply_md_h;
+ wait_queue_head_t cr_reply_waitq;
+ /** reply callback parameter */
+ struct ptlrpc_cb_id cr_reply_cbid;
+ /** Async completion handler, called when reply is received */
+ ptlrpc_interpterer_t cr_reply_interp;
+ /** Resend handler, called when request is resend to update RPC data */
+ ptlrpc_resend_cb_t cr_resend_cb;
+ /** Async completion context */
+ union ptlrpc_async_args cr_async_args;
+ /** Opaq data for replay and commit callbacks. */
+ void *cr_cb_data;
+ /**
+ * Commit callback, called when request is committed and about to be
+ * freed.
+ */
+ void (*cr_commit_cb)(struct ptlrpc_request *);
+ /** Replay callback, called after request is replayed at recovery */
+ void (*cr_replay_cb)(struct ptlrpc_request *);
+};
+
+/** client request member alias */
+/* NB: these alias should NOT be used by any new code, instead they should
+ * be removed step by step to avoid potential abuse */
+#define rq_bulk rq_cli.cr_bulk
+#define rq_delay_limit rq_cli.cr_delay_limit
+#define rq_queued_time rq_cli.cr_queued_time
+#define rq_sent_tv rq_cli.cr_sent_tv
+#define rq_real_sent rq_cli.cr_sent_out
+#define rq_reply_deadline rq_cli.cr_reply_deadline
+#define rq_bulk_deadline rq_cli.cr_bulk_deadline
+#define rq_nr_resend rq_cli.cr_resend_nr
+#define rq_request_portal rq_cli.cr_req_ptl
+#define rq_reply_portal rq_cli.cr_rep_ptl
+#define rq_import_generation rq_cli.cr_imp_gen
+#define rq_send_state rq_cli.cr_send_state
+#define rq_set_chain rq_cli.cr_set_chain
+#define rq_ctx_chain rq_cli.cr_ctx_chain
+#define rq_set rq_cli.cr_set
+#define rq_set_waitq rq_cli.cr_set_waitq
+#define rq_cli_ctx rq_cli.cr_cli_ctx
+#define rq_req_md_h rq_cli.cr_req_md_h
+#define rq_req_cbid rq_cli.cr_req_cbid
+#define rq_reply_md_h rq_cli.cr_reply_md_h
+#define rq_reply_waitq rq_cli.cr_reply_waitq
+#define rq_reply_cbid rq_cli.cr_reply_cbid
+#define rq_interpret_reply rq_cli.cr_reply_interp
+#define rq_resend_cb rq_cli.cr_resend_cb
+#define rq_async_args rq_cli.cr_async_args
+#define rq_cb_data rq_cli.cr_cb_data
+#define rq_commit_cb rq_cli.cr_commit_cb
+#define rq_replay_cb rq_cli.cr_replay_cb
+
+struct ptlrpc_srv_req {
+ /** initial thread servicing this request */
+ struct ptlrpc_thread *sr_svc_thread;
+ /**
+ * Server side list of incoming unserved requests sorted by arrival
+ * time. Traversed from time to time to notice about to expire
+ * requests and sent back "early replies" to clients to let them
+ * know server is alive and well, just very busy to service their
+ * requests in time
+ */
+ struct list_head sr_timed_list;
+ /** server-side per-export list */
+ struct list_head sr_exp_list;
+ /** server-side history, used for debuging purposes. */
+ struct list_head sr_hist_list;
+ /** history sequence # */
+ __u64 sr_hist_seq;
+ /** the index of service's srv_at_array into which request is linked */
+ time_t sr_at_index;
+ /** authed uid */
+ uid_t sr_auth_uid;
+ /** authed uid mapped to */
+ uid_t sr_auth_mapped_uid;
+ /** RPC is generated from what part of Lustre */
+ enum lustre_sec_part sr_sp_from;
+ /** request session context */
+ struct lu_context sr_ses;
+ /** \addtogroup nrs
+ * @{
+ */
+ /** stub for NRS request */
+ struct ptlrpc_nrs_request sr_nrq;
+ /** @} nrs */
+ /** request arrival time */
+ struct timeval sr_arrival_time;
+ /** server's half ctx */
+ struct ptlrpc_svc_ctx *sr_svc_ctx;
+ /** (server side), pointed directly into req buffer */
+ struct ptlrpc_user_desc *sr_user_desc;
+ /** separated reply state */
+ struct ptlrpc_reply_state *sr_reply_state;
+ /** server-side hp handlers */
+ struct ptlrpc_hpreq_ops *sr_ops;
+ /** incoming request buffer */
+ struct ptlrpc_request_buffer_desc *sr_rqbd;
+};
+
+/** server request member alias */
+/* NB: these alias should NOT be used by any new code, instead they should
+ * be removed step by step to avoid potential abuse */
+#define rq_svc_thread rq_srv.sr_svc_thread
+#define rq_timed_list rq_srv.sr_timed_list
+#define rq_exp_list rq_srv.sr_exp_list
+#define rq_history_list rq_srv.sr_hist_list
+#define rq_history_seq rq_srv.sr_hist_seq
+#define rq_at_index rq_srv.sr_at_index
+#define rq_auth_uid rq_srv.sr_auth_uid
+#define rq_auth_mapped_uid rq_srv.sr_auth_mapped_uid
+#define rq_sp_from rq_srv.sr_sp_from
+#define rq_session rq_srv.sr_ses
+#define rq_nrq rq_srv.sr_nrq
+#define rq_arrival_time rq_srv.sr_arrival_time
+#define rq_reply_state rq_srv.sr_reply_state
+#define rq_svc_ctx rq_srv.sr_svc_ctx
+#define rq_user_desc rq_srv.sr_user_desc
+#define rq_ops rq_srv.sr_ops
+#define rq_rqbd rq_srv.sr_rqbd
+
/**
* Represents remote procedure call.
*
*/
struct ptlrpc_request {
/* Request type: one of PTL_RPC_MSG_* */
- int rq_type;
+ int rq_type;
/** Result of request processing */
- int rq_status;
+ int rq_status;
/**
* Linkage item through which this request is included into
* sending/delayed lists on client and into rqbd list on server
*/
- struct list_head rq_list;
- /**
- * Server side list of incoming unserved requests sorted by arrival
- * time. Traversed from time to time to notice about to expire
- * requests and sent back "early replies" to clients to let them
- * know server is alive and well, just very busy to service their
- * requests in time
- */
- struct list_head rq_timed_list;
- /** server-side history, used for debuging purposes. */
- struct list_head rq_history_list;
- /** server-side per-export list */
- struct list_head rq_exp_list;
- /** server-side hp handlers */
- struct ptlrpc_hpreq_ops *rq_ops;
-
- /** initial thread servicing this request */
- struct ptlrpc_thread *rq_svc_thread;
-
- /** history sequence # */
- __u64 rq_history_seq;
- /** \addtogroup nrs
- * @{
+ struct list_head rq_list;
+ /** Lock to protect request flags and some other important bits, like
+ * rq_list
*/
- /** stub for NRS request */
- struct ptlrpc_nrs_request rq_nrq;
- /** @} nrs */
- /** the index of service's srv_at_array into which request is linked */
- time_t rq_at_index;
- /** Lock to protect request flags and some other important bits, like
- * rq_list
- */
- spinlock_t rq_lock;
+ spinlock_t rq_lock;
/** client-side flags are serialized by rq_lock */
unsigned int rq_intr:1, rq_replied:1, rq_err:1,
rq_timedout:1, rq_resend:1, rq_restart:1,
/* bulk request, sent to server, but uncommitted */
rq_unstable:1;
- unsigned int rq_nr_resend;
-
- enum rq_phase rq_phase; /* one of RQ_PHASE_* */
- enum rq_phase rq_next_phase; /* one of RQ_PHASE_* to be used next */
- atomic_t rq_refcount;/* client-side refcount for SENT race,
- server-side refcounf for multiple replies */
-
- /** Portal to which this request would be sent */
- short rq_request_portal; /* XXX FIXME bug 249 */
- /** Portal where to wait for reply and where reply would be sent */
- short rq_reply_portal; /* XXX FIXME bug 249 */
-
+ /** one of RQ_PHASE_* */
+ enum rq_phase rq_phase;
+ /** one of RQ_PHASE_* to be used next */
+ enum rq_phase rq_next_phase;
+ /**
+ * client-side refcount for SENT race, server-side refcounf
+ * for multiple replies
+ */
+ atomic_t rq_refcount;
/**
* client-side:
* !rq_truncate : # reply bytes actually received,
int rq_reqlen;
/** Reply length */
int rq_replen;
+ /** Pool if request is from preallocated list */
+ struct ptlrpc_request_pool *rq_pool;
/** Request message - what client sent */
struct lustre_msg *rq_reqmsg;
/** Reply message - server response */
__u64 rq_transno;
/** xid */
__u64 rq_xid;
- /**
- * List item to for replay list. Not yet commited requests get linked
- * there.
- * Also see \a rq_replay comment above.
- */
- struct list_head rq_replay_list;
-
+ /**
+ * List item to for replay list. Not yet commited requests get linked
+ * there.
+ * Also see \a rq_replay comment above.
+ * It's also link chain on obd_export::exp_req_replay_queue
+ */
+ struct list_head rq_replay_list;
+ /** non-shared members for client & server request*/
+ union {
+ struct ptlrpc_cli_req rq_cli;
+ struct ptlrpc_srv_req rq_srv;
+ };
/**
* security and encryption data
* @{ */
- struct ptlrpc_cli_ctx *rq_cli_ctx; /**< client's half ctx */
- struct ptlrpc_svc_ctx *rq_svc_ctx; /**< server's half ctx */
- struct list_head rq_ctx_chain; /**< link to waited ctx */
-
- struct sptlrpc_flavor rq_flvr; /**< for client & server */
- enum lustre_sec_part rq_sp_from;
+ /** description of flavors for client & server */
+ struct sptlrpc_flavor rq_flvr;
/* client/server security flags */
unsigned int
rq_pack_bulk:1,
/* doesn't expect reply FIXME */
rq_no_reply:1,
- rq_pill_init:1; /* pill initialized */
-
- uid_t rq_auth_uid; /* authed uid */
- uid_t rq_auth_mapped_uid; /* authed uid mapped to */
+ rq_pill_init:1, /* pill initialized */
+ rq_srv_req:1; /* server request */
- /* (server side), pointed directly into req buffer */
- struct ptlrpc_user_desc *rq_user_desc;
- /* various buffer pointers */
- struct lustre_msg *rq_reqbuf; /* req wrapper */
- char *rq_repbuf; /* rep buffer */
- struct lustre_msg *rq_repdata; /* rep wrapper msg */
- struct lustre_msg *rq_clrbuf; /* only in priv mode */
+ /** various buffer pointers */
+ struct lustre_msg *rq_reqbuf; /**< req wrapper */
+ char *rq_repbuf; /**< rep buffer */
+ struct lustre_msg *rq_repdata; /**< rep wrapper msg */
+ /** only in priv mode */
+ struct lustre_msg *rq_clrbuf;
int rq_reqbuf_len; /* req wrapper buf len */
int rq_reqdata_len; /* req wrapper msg len */
int rq_repbuf_len; /* rep buffer len */
int rq_clrdata_len; /* only in priv mode */
/** early replies go to offset 0, regular replies go after that */
- unsigned int rq_reply_off;
-
- /** @} */
-
- /** Fields that help to see if request and reply were swabbed or not */
- __u32 rq_req_swab_mask;
- __u32 rq_rep_swab_mask;
-
- /** What was import generation when this request was sent */
- int rq_import_generation;
- enum lustre_imp_state rq_send_state;
-
- /** how many early replies (for stats) */
- int rq_early_count;
-
- /** client+server request */
- lnet_handle_md_t rq_req_md_h;
- struct ptlrpc_cb_id rq_req_cbid;
- /** optional time limit for send attempts */
- cfs_duration_t rq_delay_limit;
- /** time request was first queued */
- cfs_time_t rq_queued_time;
-
- /* server-side... */
- /** request arrival time */
- struct timeval rq_arrival_time;
- /** separated reply state */
- struct ptlrpc_reply_state *rq_reply_state;
- /** incoming request buffer */
- struct ptlrpc_request_buffer_desc *rq_rqbd;
-
- /** client-only incoming reply */
- lnet_handle_md_t rq_reply_md_h;
- wait_queue_head_t rq_reply_waitq;
- struct ptlrpc_cb_id rq_reply_cbid;
-
- /** our LNet NID */
- lnet_nid_t rq_self;
- /** Peer description (the other side) */
- lnet_process_id_t rq_peer;
- /** Server-side, export on which request was received */
- struct obd_export *rq_export;
- /** Client side, import where request is being sent */
- struct obd_import *rq_import;
-
- /** Replay callback, called after request is replayed at recovery */
- void (*rq_replay_cb)(struct ptlrpc_request *);
- /**
- * Commit callback, called when request is committed and about to be
- * freed.
- */
- void (*rq_commit_cb)(struct ptlrpc_request *);
- /** Opaq data for replay and commit callbacks. */
- void *rq_cb_data;
-
- /** For bulk requests on client only: bulk descriptor */
- struct ptlrpc_bulk_desc *rq_bulk;
-
- /** client outgoing req */
- /**
- * when request/reply sent (secs), or time when request should be sent
- */
- time_t rq_sent;
- /** time for request really sent out */
- time_t rq_real_sent;
-
- /** when request must finish. volatile
- * so that servers' early reply updates to the deadline aren't
- * kept in per-cpu cache */
- volatile time_t rq_deadline;
- /** when req reply unlink must finish. */
- time_t rq_reply_deadline;
- /** when req bulk unlink must finish. */
- time_t rq_bulk_deadline;
- /**
- * service time estimate (secs)
- * If the requestsis not served by this time, it is marked as timed out.
- */
- int rq_timeout;
+ unsigned int rq_reply_off;
- /** Multi-rpc bits */
- /** Per-request waitq introduced by bug 21938 for recovery waiting */
- wait_queue_head_t rq_set_waitq;
- /** Link item for request set lists */
- struct list_head rq_set_chain;
- /** Link back to the request set */
- struct ptlrpc_request_set *rq_set;
- /** Async completion handler, called when reply is received */
- ptlrpc_interpterer_t rq_interpret_reply;
- /** Resend handler, called when request is resend to update RPC data */
- ptlrpc_resend_cb_t rq_resend_cb;
- /** Async completion context */
- union ptlrpc_async_args rq_async_args;
-
- /** Pool if request is from preallocated list */
- struct ptlrpc_request_pool *rq_pool;
-
- struct lu_context rq_session;
+ /** @} */
- /** request format description */
- struct req_capsule rq_pill;
+ /** Fields that help to see if request and reply were swabbed or not */
+ __u32 rq_req_swab_mask;
+ __u32 rq_rep_swab_mask;
+
+ /** how many early replies (for stats) */
+ int rq_early_count;
+ /** Server-side, export on which request was received */
+ struct obd_export *rq_export;
+ /** import where request is being sent */
+ struct obd_import *rq_import;
+ /** our LNet NID */
+ lnet_nid_t rq_self;
+ /** Peer description (the other side) */
+ lnet_process_id_t rq_peer;
+ /**
+ * service time estimate (secs)
+ * If the request is not served by this time, it is marked as timed out.
+ */
+ int rq_timeout;
+ /**
+ * when request/reply sent (secs), or time when request should be sent
+ */
+ time_t rq_sent;
+ /** when request must finish. */
+ time_t rq_deadline;
+ /** request format description */
+ struct req_capsule rq_pill;
};
/**
#define OSP_JOB_MAGIC 0x26112005
-/**
- * Return status: whether OSP thread should keep running
- *
- * \param[in] d OSP device
- *
- * \retval 1 should keep running
- * \retval 0 should stop
- */
+struct osp_job_req_args {
+ /** bytes reserved for ptlrpc_replay_req() */
+ struct ptlrpc_replay_async_args jra_raa;
+ struct list_head jra_link;
+ __u32 jra_magic;
+};
+
static inline int osp_sync_running(struct osp_device *d)
{
return !!(d->opd_syn_thread.t_flags & SVC_RUNNING);
static void osp_sync_request_commit_cb(struct ptlrpc_request *req)
{
struct osp_device *d = req->rq_cb_data;
+ struct osp_job_req_args *jra;
CDEBUG(D_HA, "commit req %p, transno "LPU64"\n", req, req->rq_transno);
/* do not do any opd_dyn_rpc_* accounting here
* it's done in osp_sync_interpret sooner or later */
-
LASSERT(d);
- LASSERT(req->rq_svc_thread == (void *) OSP_JOB_MAGIC);
- LASSERT(list_empty(&req->rq_exp_list));
+
+ jra = ptlrpc_req_async_args(req);
+ LASSERT(jra->jra_magic == OSP_JOB_MAGIC);
+ LASSERT(list_empty(&jra->jra_link));
ptlrpc_request_addref(req);
spin_lock(&d->opd_syn_lock);
- list_add(&req->rq_exp_list, &d->opd_syn_committed_there);
+ list_add(&jra->jra_link, &d->opd_syn_committed_there);
spin_unlock(&d->opd_syn_lock);
/* XXX: some batching wouldn't hurt */
struct ptlrpc_request *req, void *aa, int rc)
{
struct osp_device *d = req->rq_cb_data;
+ struct osp_job_req_args *jra = aa;
- if (req->rq_svc_thread != (void *) OSP_JOB_MAGIC)
- DEBUG_REQ(D_ERROR, req, "bad magic %p\n", req->rq_svc_thread);
- LASSERT(req->rq_svc_thread == (void *) OSP_JOB_MAGIC);
+ if (jra->jra_magic != OSP_JOB_MAGIC) {
+ DEBUG_REQ(D_ERROR, req, "bad magic %u\n", jra->jra_magic);
+ LBUG();
+ }
LASSERT(d);
CDEBUG(D_HA, "reply req %p/%d, rc %d, transno %u\n", req,
* but object doesn't exist anymore - cancell llog record
*/
LASSERT(req->rq_transno == 0);
- LASSERT(list_empty(&req->rq_exp_list));
+ LASSERT(list_empty(&jra->jra_link));
ptlrpc_request_addref(req);
spin_lock(&d->opd_syn_lock);
- list_add(&req->rq_exp_list, &d->opd_syn_committed_there);
+ list_add(&jra->jra_link, &d->opd_syn_committed_there);
spin_unlock(&d->opd_syn_lock);
wake_up(&d->opd_syn_waitq);
static void osp_sync_send_new_rpc(struct osp_device *d,
struct ptlrpc_request *req)
{
+ struct osp_job_req_args *jra;
+
LASSERT(d->opd_syn_rpc_in_flight <= d->opd_syn_max_rpc_in_flight);
- LASSERT(req->rq_svc_thread == (void *) OSP_JOB_MAGIC);
+
+ jra = ptlrpc_req_async_args(req);
+ jra->jra_magic = OSP_JOB_MAGIC;
+ INIT_LIST_HEAD(&jra->jra_link);
ptlrpcd_add_req(req, PDL_POLICY_ROUND, -1);
}
body->oa.o_lcookie.lgc_lgl = llh->lgh_id;
body->oa.o_lcookie.lgc_subsys = LLOG_MDS_OST_ORIG_CTXT;
body->oa.o_lcookie.lgc_index = h->lrh_index;
- INIT_LIST_HEAD(&req->rq_exp_list);
- req->rq_svc_thread = (void *) OSP_JOB_MAGIC;
req->rq_interpret_reply = osp_sync_interpret;
req->rq_commit_cb = osp_sync_request_commit_cb;
if (rc != 0)
GOTO(out, rc);
- INIT_LIST_HEAD(&req->rq_exp_list);
- req->rq_svc_thread = (void *)OSP_JOB_MAGIC;
-
req->rq_interpret_reply = osp_sync_interpret;
req->rq_commit_cb = osp_sync_request_commit_cb;
req->rq_cb_data = osp;
struct obd_device *obd = d->opd_obd;
struct obd_import *imp = obd->u.cli.cl_import;
struct ost_body *body;
- struct ptlrpc_request *req, *tmp;
+ struct ptlrpc_request *req;
struct llog_ctxt *ctxt;
struct llog_handle *llh;
struct list_head list;
INIT_LIST_HEAD(&d->opd_syn_committed_there);
spin_unlock(&d->opd_syn_lock);
- list_for_each_entry_safe(req, tmp, &list, rq_exp_list) {
+ while (!list_empty(&list)) {
struct llog_cookie *lcookie = NULL;
+ struct osp_job_req_args *jra;
- LASSERT(req->rq_svc_thread == (void *) OSP_JOB_MAGIC);
- list_del_init(&req->rq_exp_list);
+ jra = list_entry(list.next, struct osp_job_req_args, jra_link);
+ LASSERT(jra->jra_magic == OSP_JOB_MAGIC);
+ list_del_init(&jra->jra_link);
+ req = container_of((void *)jra, struct ptlrpc_request,
+ rq_async_args);
if (d->opd_connect_mdt) {
struct object_update_request *ureq;
struct object_update *update;
lustre_msg_add_version(request->rq_reqmsg, version);
request->rq_send_state = LUSTRE_IMP_FULL;
request->rq_type = PTL_RPC_MSG_REQUEST;
- request->rq_export = NULL;
request->rq_req_cbid.cbid_fn = request_out_callback;
request->rq_req_cbid.cbid_arg = request;
ptlrpc_at_set_req_timeout(request);
- spin_lock_init(&request->rq_lock);
- INIT_LIST_HEAD(&request->rq_list);
- INIT_LIST_HEAD(&request->rq_timed_list);
- INIT_LIST_HEAD(&request->rq_replay_list);
- INIT_LIST_HEAD(&request->rq_ctx_chain);
- INIT_LIST_HEAD(&request->rq_set_chain);
- INIT_LIST_HEAD(&request->rq_history_list);
- INIT_LIST_HEAD(&request->rq_exp_list);
- init_waitqueue_head(&request->rq_reply_waitq);
- init_waitqueue_head(&request->rq_set_waitq);
request->rq_xid = ptlrpc_next_xid();
- atomic_set(&request->rq_refcount, 1);
-
lustre_msg_set_opc(request->rq_reqmsg, opcode);
RETURN(0);
request = ptlrpc_request_cache_alloc(GFP_NOFS);
if (request) {
- LASSERTF((unsigned long)imp > 0x1000, "%p\n", imp);
+ ptlrpc_cli_req_init(request);
+
+ LASSERTF((unsigned long)imp > 0x1000, "%p", imp);
LASSERT(imp != LP_POISON);
LASSERTF((unsigned long)imp->imp_client > 0x1000, "%p\n",
imp->imp_client);
}
do_gettimeofday(&work_start);
- timediff = cfs_timeval_sub(&work_start, &req->rq_arrival_time, NULL);
+ timediff = cfs_timeval_sub(&work_start, &req->rq_sent_tv, NULL);
if (obd->obd_svc_stats != NULL) {
lprocfs_counter_add(obd->obd_svc_stats, PTLRPC_REQWAIT_CNTR,
timediff);
*/
static void __ptlrpc_free_req(struct ptlrpc_request *request, int locked)
{
- ENTRY;
- if (request == NULL) {
- EXIT;
- return;
- }
+ ENTRY;
+
+ if (request == NULL)
+ RETURN_EXIT;
- LASSERTF(!request->rq_receiving_reply, "req %p\n", request);
- LASSERTF(request->rq_rqbd == NULL, "req %p\n",request);/* client-side */
+ LASSERT(!request->rq_srv_req);
+ LASSERT(request->rq_export == NULL);
+ LASSERTF(!request->rq_receiving_reply, "req %p\n", request);
LASSERTF(list_empty(&request->rq_list), "req %p\n", request);
LASSERTF(list_empty(&request->rq_set_chain), "req %p\n", request);
- LASSERTF(list_empty(&request->rq_exp_list), "req %p\n", request);
- LASSERTF(!request->rq_replay, "req %p\n", request);
+ LASSERTF(!request->rq_replay, "req %p\n", request);
- req_capsule_fini(&request->rq_pill);
+ req_capsule_fini(&request->rq_pill);
- /* We must take it off the imp_replay_list first. Otherwise, we'll set
- * request->rq_reqmsg to NULL while osc_close is dereferencing it. */
- if (request->rq_import != NULL) {
+ /* We must take it off the imp_replay_list first. Otherwise, we'll set
+ * request->rq_reqmsg to NULL while osc_close is dereferencing it. */
+ if (request->rq_import != NULL) {
if (!locked)
spin_lock(&request->rq_import->imp_lock);
list_del_init(&request->rq_replay_list);
if (request->rq_repbuf != NULL)
sptlrpc_cli_free_repbuf(request);
- if (request->rq_export != NULL) {
- class_export_put(request->rq_export);
- request->rq_export = NULL;
- }
+
if (request->rq_import != NULL) {
class_import_put(request->rq_import);
request->rq_import = NULL;
}
EXPORT_SYMBOL(ptlrpc_queue_wait);
-struct ptlrpc_replay_async_args {
- int praa_old_state;
- int praa_old_status;
-};
-
/**
* Callback used for replayed requests reply processing.
* In case of succesful reply calls registeresd request replay callback.
void *ptlrpcd_alloc_work(struct obd_import *imp,
int (*cb)(const struct lu_env *, void *), void *cbdata)
{
- struct ptlrpc_request *req = NULL;
+ struct ptlrpc_request *req = NULL;
struct ptlrpc_work_async_args *args;
ENTRY;
RETURN(ERR_PTR(-ENOMEM));
}
+ ptlrpc_cli_req_init(req);
+
req->rq_send_state = LUSTRE_IMP_FULL;
req->rq_type = PTL_RPC_MSG_REQUEST;
req->rq_import = class_import_get(imp);
- req->rq_export = NULL;
req->rq_interpret_reply = work_interpreter;
/* don't want reply */
req->rq_receiving_reply = 0;
req->rq_no_delay = req->rq_no_resend = 1;
req->rq_pill.rc_fmt = (void *)&worker_format;
- spin_lock_init(&req->rq_lock);
- INIT_LIST_HEAD(&req->rq_list);
- INIT_LIST_HEAD(&req->rq_replay_list);
- INIT_LIST_HEAD(&req->rq_set_chain);
- INIT_LIST_HEAD(&req->rq_history_list);
- INIT_LIST_HEAD(&req->rq_exp_list);
- init_waitqueue_head(&req->rq_reply_waitq);
- init_waitqueue_head(&req->rq_set_waitq);
- atomic_set(&req->rq_refcount, 1);
-
CLASSERT (sizeof(*args) <= sizeof(req->rq_async_args));
args = ptlrpc_req_async_args(req);
args->cb = cb;
git://git.whamcloud.com / fs / lustre-release.git / commitdiff