/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
*
- * Copyright (C) 2002, 2003 Cluster File Systems, Inc.
+ * GPL HEADER START
*
- * This file is part of Lustre, http://www.lustre.org.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License as published by the Free Software Foundation.
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
*
- * Lustre is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
#ifndef _LUSTRE_NET_H
#error Unsupported operating system.
#endif
-#include <libcfs/kp30.h>
+#include <libcfs/libcfs.h>
// #include <obd.h>
#include <lnet/lnet.h>
#include <lustre/lustre_idl.h>
#include <lustre_import.h>
#include <lprocfs_status.h>
#include <lu_object.h>
+#include <lustre_req_layout.h>
/* MD flags we _always_ use */
#define PTLRPC_MD_OPTIONS 0
#define MDT_MIN_THREADS 2UL
#define MDT_MAX_THREADS 512UL
#define MDT_NUM_THREADS max(min_t(unsigned long, MDT_MAX_THREADS, \
- num_physpages >> (25 - PAGE_SHIFT)), 2UL)
+ num_physpages >> (25 - CFS_PAGE_SHIFT)), 2UL)
#define FLD_NUM_THREADS max(min_t(unsigned long, MDT_MAX_THREADS, \
- num_physpages >> (25 - PAGE_SHIFT)), 2UL)
+ num_physpages >> (25 - CFS_PAGE_SHIFT)), 2UL)
#define SEQ_NUM_THREADS max(min_t(unsigned long, MDT_MAX_THREADS, \
- num_physpages >> (25 - PAGE_SHIFT)), 2UL)
+ num_physpages >> (25 - CFS_PAGE_SHIFT)), 2UL)
/* Absolute limits */
#define MDS_THREADS_MIN 2
#define OST_MAXREQSIZE (5 * 1024)
#define OST_MAXREPSIZE (9 * 1024)
+/* Macro to hide a typecast. */
+#define ptlrpc_req_async_args(req) ((void *)&req->rq_async_args)
+
struct ptlrpc_connection {
- struct list_head c_link;
struct hlist_node c_hash;
lnet_nid_t c_self;
lnet_process_id_t c_peer;
};
struct ptlrpc_client {
- __u32 cli_request_portal;
- __u32 cli_reply_portal;
- char *cli_name;
+ __u32 cli_request_portal;
+ __u32 cli_reply_portal;
+ char *cli_name;
};
/* state flags of requests */
void *cbid_arg; /* additional arg */
};
-#define RS_MAX_LOCKS 4
+#define RS_MAX_LOCKS 8
#define RS_DEBUG 1
struct ptlrpc_reply_state {
struct list_head rs_debug_list;
#endif
/* updates to following flag serialised by srv_request_lock */
- unsigned int rs_difficult:1; /* ACK/commit stuff */
- unsigned int rs_scheduled:1; /* being handled? */
- unsigned int rs_scheduled_ever:1;/* any schedule attempts? */
- unsigned int rs_handled:1; /* been handled yet? */
- unsigned int rs_on_net:1; /* reply_out_callback pending? */
- unsigned int rs_prealloc:1; /* rs from prealloc list */
+ unsigned long rs_difficult:1; /* ACK/commit stuff */
+ unsigned long rs_scheduled:1; /* being handled? */
+ unsigned long rs_scheduled_ever:1;/* any schedule attempts? */
+ unsigned long rs_handled:1; /* been handled yet? */
+ unsigned long rs_on_net:1; /* reply_out_callback pending? */
+ unsigned long rs_prealloc:1; /* rs from prealloc list */
int rs_size;
__u64 rs_transno;
struct ptlrpc_request {
int rq_type; /* one of PTL_RPC_MSG_* */
struct list_head rq_list;
+ struct list_head rq_timed_list; /* server-side early replies */
struct list_head rq_history_list; /* server-side history */
__u64 rq_history_seq; /* history sequence # */
int rq_status;
spinlock_t rq_lock;
- /* client-side flags */
- unsigned int rq_intr:1, rq_replied:1, rq_err:1,
+ /* client-side flags are serialized by rq_lock */
+ unsigned long rq_intr:1, rq_replied:1, rq_err:1,
rq_timedout:1, rq_resend:1, rq_restart:1,
/*
* when ->rq_replay is set, request is kept by the client even
/* this is the last request in the sequence. */
rq_sequence:1,
rq_no_resend:1, rq_waiting:1, rq_receiving_reply:1,
- rq_no_delay:1, rq_net_err:1, rq_wait_ctx:1;
+ rq_no_delay:1, rq_net_err:1, rq_wait_ctx:1,
+ rq_early:1, rq_must_unlink:1,
+ /* server-side flags */
+ rq_packed_final:1, /* packed final reply */
+ rq_sent_final:1; /* stop sending early replies */
+
enum rq_phase rq_phase; /* one of RQ_PHASE_* */
- atomic_t rq_refcount; /* client-side refcount for SENT race */
+ atomic_t rq_refcount; /* client-side refcount for SENT race,
+ server-side refcounf for multiple replies */
struct ptlrpc_thread *rq_svc_thread; /* initial thread servicing req */
int rq_reqlen;
struct lustre_msg *rq_reqmsg;
- int rq_timeout; /* time to wait for reply (seconds) */
int rq_replen;
struct lustre_msg *rq_repmsg;
__u64 rq_transno;
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 */
- ptlrpc_sec_flavor_t rq_sec_flavor; /* client & server */
- /* client security flags */
- unsigned int rq_ctx_init:1, /* context initiation */
+
+ struct sptlrpc_flavor rq_flvr; /* client & server */
+ enum lustre_sec_part rq_sp_from;
+
+ unsigned long /* client/server security flags */
+ rq_ctx_init:1, /* context initiation */
rq_ctx_fini:1, /* context destroy */
rq_bulk_read:1, /* request bulk read */
rq_bulk_write:1, /* request bulk write */
rq_auth_remote:1, /* authed as remote user */
rq_auth_usr_root:1, /* authed as root */
rq_auth_usr_mdt:1, /* authed as mdt */
+ /* security tfm flags */
+ rq_pack_udesc:1,
+ rq_pack_bulk:1,
/* doesn't expect reply FIXME */
rq_no_reply:1;
/* (server side), pointed directly into req buffer */
struct ptlrpc_user_desc *rq_user_desc;
+ /* early replies go to offset 0, regular replies go after that */
+ unsigned int rq_reply_off;
+
/* various buffer pointers */
struct lustre_msg *rq_reqbuf; /* req wrapper */
int rq_reqbuf_len; /* req wrapper buf len */
int rq_reqdata_len; /* req wrapper msg len */
- struct lustre_msg *rq_repbuf; /* rep wrapper */
- int rq_repbuf_len; /* rep wrapper buf len */
+ char *rq_repbuf; /* rep buffer */
+ int rq_repbuf_len; /* rep buffer len */
+ struct lustre_msg *rq_repdata; /* rep wrapper msg */
int rq_repdata_len; /* rep wrapper msg len */
struct lustre_msg *rq_clrbuf; /* only in priv mode */
int rq_clrbuf_len; /* only in priv mode */
int rq_import_generation;
enum lustre_imp_state rq_send_state;
+ int rq_early_count; /* how many early replies (for stats) */
+
/* client+server request */
lnet_handle_md_t rq_req_md_h;
struct ptlrpc_cb_id rq_req_cbid;
void (*rq_commit_cb)(struct ptlrpc_request *);
void *rq_cb_data;
- struct ptlrpc_bulk_desc *rq_bulk; /* client side bulk */
- time_t rq_sent; /* when request sent, seconds,
- * or time when request should
- * be sent */
+ struct ptlrpc_bulk_desc *rq_bulk;/* client side bulk */
+
+ /* client outgoing req */
+ time_t rq_sent; /* when request/reply sent (secs), or
+ * time when request should be sent */
+
+ volatile time_t rq_deadline; /* when request must finish. volatile
+ so that servers' early reply updates to the deadline aren't
+ kept in per-cpu cache */
+ int rq_timeout; /* service time estimate (secs) */
+
/* Multi-rpc bits */
struct list_head rq_set_chain;
struct ptlrpc_request_set *rq_set;
struct ptlrpc_request_pool *rq_pool; /* Pool if request from
preallocated list */
struct lu_context rq_session;
+
+ /* request format */
+ struct req_capsule rq_pill;
};
static inline void ptlrpc_close_replay_seq(struct ptlrpc_request *req)
}
static inline int lustre_req_swabbed(struct ptlrpc_request *req, int index)
-{
+{
LASSERT(index < sizeof(req->rq_req_swab_mask) * 8);
return req->rq_req_swab_mask & (1 << index);
}
#define BULK_PUT_SOURCE 3
struct ptlrpc_bulk_desc {
- unsigned int bd_success:1; /* completed successfully */
- unsigned int bd_network_rw:1; /* accessible to the network */
- unsigned int bd_type:2; /* {put,get}{source,sink} */
- unsigned int bd_registered:1; /* client side */
+ unsigned long bd_success:1; /* completed successfully */
+ unsigned long bd_network_rw:1; /* accessible to the network */
+ unsigned long bd_type:2; /* {put,get}{source,sink} */
+ unsigned long bd_registered:1; /* client side */
spinlock_t bd_lock; /* serialise with callback */
int bd_import_generation;
struct obd_export *bd_export;
struct ptlrpc_thread {
- struct list_head t_link; /* active threads for service, from svc->srv_threads */
+ struct list_head t_link; /* active threads in svc->srv_threads */
void *t_data; /* thread-private data (preallocated memory) */
__u32 t_flags;
int srv_n_difficult_replies; /* # 'difficult' replies */
int srv_n_active_reqs; /* # reqs being served */
cfs_duration_t srv_rqbd_timeout; /* timeout before re-posting reqs, in tick */
- int srv_watchdog_timeout; /* soft watchdog timeout, in ms */
+ int srv_watchdog_factor; /* soft watchdog timeout mutiplier */
unsigned srv_cpu_affinity:1; /* bind threads to CPUs */
+ unsigned srv_at_check:1; /* check early replies */
+ cfs_time_t srv_at_checktime; /* debug */
__u32 srv_req_portal;
__u32 srv_rep_portal;
- int srv_n_queued_reqs; /* # reqs waiting to be served */
+ /* AT stuff */
+ struct adaptive_timeout srv_at_estimate;/* estimated rpc service time */
+ spinlock_t srv_at_lock;
+ struct list_head srv_at_list; /* reqs waiting for replies */
+ cfs_timer_t srv_at_timer; /* early reply timer */
+
+ int srv_n_queued_reqs; /* # reqs in either of the queues below */
+ struct list_head srv_req_in_queue; /* incoming reqs */
struct list_head srv_request_queue; /* reqs waiting for service */
struct list_head srv_request_history; /* request history */
//struct ptlrpc_srv_ni srv_interfaces[0];
};
+struct ptlrpcd_ctl {
+ /**
+ * Ptlrpc thread control flags (LIOD_START, LIOD_STOP, LIOD_STOP_FORCE)
+ */
+ unsigned long pc_flags;
+ /**
+ * Thread lock protecting structure fields.
+ */
+ spinlock_t pc_lock;
+ /**
+ * Start completion.
+ */
+ struct completion pc_starting;
+ /**
+ * Stop completion.
+ */
+ struct completion pc_finishing;
+ /**
+ * Thread requests set.
+ */
+ struct ptlrpc_request_set *pc_set;
+ /**
+ * Thread name used in cfs_daemonize()
+ */
+ char pc_name[16];
+#ifndef __KERNEL__
+ /**
+ * Async rpcs flag to make sure that ptlrpcd_check() is called only
+ * once.
+ */
+ int pc_recurred;
+ /**
+ * Currently not used.
+ */
+ void *pc_callback;
+ /**
+ * User-space async rpcs callback.
+ */
+ void *pc_wait_callback;
+ /**
+ * User-space check idle rpcs callback.
+ */
+ void *pc_idle_callback;
+#endif
+};
+
+/* Bits for pc_flags */
+enum ptlrpcd_ctl_flags {
+ /**
+ * Ptlrpc thread start flag.
+ */
+ LIOD_START = 1 << 0,
+ /**
+ * Ptlrpc thread stop flag.
+ */
+ LIOD_STOP = 1 << 1,
+ /**
+ * Ptlrpc thread stop force flag. This will cause also
+ * aborting any inflight rpcs handled by thread.
+ */
+ LIOD_STOP_FORCE = 1 << 2
+};
+
/* ptlrpc/events.c */
extern lnet_handle_eq_t ptlrpc_eq_h;
extern int ptlrpc_uuid_to_peer(struct obd_uuid *uuid,
extern void server_bulk_callback (lnet_event_t *ev);
/* ptlrpc/connection.c */
-void ptlrpc_dump_connections(void);
-void ptlrpc_readdress_connection(struct ptlrpc_connection *, struct obd_uuid *);
-struct ptlrpc_connection *ptlrpc_get_connection(lnet_process_id_t peer,
- lnet_nid_t self, struct obd_uuid *uuid);
-int ptlrpc_put_connection(struct ptlrpc_connection *c);
+struct ptlrpc_connection *ptlrpc_connection_get(lnet_process_id_t peer,
+ lnet_nid_t self,
+ struct obd_uuid *uuid);
+int ptlrpc_connection_put(struct ptlrpc_connection *c);
struct ptlrpc_connection *ptlrpc_connection_addref(struct ptlrpc_connection *);
-int ptlrpc_init_connection(void);
-void ptlrpc_cleanup_connection(void);
+int ptlrpc_connection_init(void);
+void ptlrpc_connection_fini(void);
extern lnet_pid_t ptl_get_pid(void);
/* ptlrpc/niobuf.c */
return (rc);
}
-int ptlrpc_send_reply(struct ptlrpc_request *req, int);
+#define PTLRPC_REPLY_MAYBE_DIFFICULT 0x01
+#define PTLRPC_REPLY_EARLY 0x02
+int ptlrpc_send_reply(struct ptlrpc_request *req, int flags);
int ptlrpc_reply(struct ptlrpc_request *req);
+int ptlrpc_send_error(struct ptlrpc_request *req, int difficult);
int ptlrpc_error(struct ptlrpc_request *req);
void ptlrpc_resend_req(struct ptlrpc_request *request);
+int ptlrpc_at_get_net_latency(struct ptlrpc_request *req);
int ptl_send_rpc(struct ptlrpc_request *request, int noreply);
int ptlrpc_register_rqbd (struct ptlrpc_request_buffer_desc *rqbd);
struct ptlrpc_connection *ptlrpc_uuid_to_connection(struct obd_uuid *uuid);
static inline int
-ptlrpc_client_receiving_reply (struct ptlrpc_request *req)
-{
- int rc;
-
- spin_lock(&req->rq_lock);
- rc = req->rq_receiving_reply;
- spin_unlock(&req->rq_lock);
- return (rc);
-}
-
-static inline int
-ptlrpc_client_replied (struct ptlrpc_request *req)
+ptlrpc_client_recv_or_unlink (struct ptlrpc_request *req)
{
int rc;
spin_lock(&req->rq_lock);
- rc = req->rq_replied;
+ rc = req->rq_receiving_reply || req->rq_must_unlink;
spin_unlock(&req->rq_lock);
return (rc);
}
void ptlrpc_unregister_reply(struct ptlrpc_request *req);
void ptlrpc_restart_req(struct ptlrpc_request *req);
void ptlrpc_abort_inflight(struct obd_import *imp);
+void ptlrpc_abort_set(struct ptlrpc_request_set *set);
struct ptlrpc_request_set *ptlrpc_prep_set(void);
int ptlrpc_set_add_cb(struct ptlrpc_request_set *set,
void ptlrpc_mark_interrupted(struct ptlrpc_request *req);
void ptlrpc_set_destroy(struct ptlrpc_request_set *);
void ptlrpc_set_add_req(struct ptlrpc_request_set *, struct ptlrpc_request *);
-void ptlrpc_set_add_new_req(struct ptlrpc_request_set *,
- struct ptlrpc_request *);
+int ptlrpc_set_add_new_req(struct ptlrpcd_ctl *pc,
+ struct ptlrpc_request *req);
void ptlrpc_free_rq_pool(struct ptlrpc_request_pool *pool);
void ptlrpc_add_rqs_to_pool(struct ptlrpc_request_pool *pool, int num_rq);
-struct ptlrpc_request_pool *ptlrpc_init_rq_pool(int, int,
- void (*populate_pool)(struct ptlrpc_request_pool *, int));
+
+struct ptlrpc_request_pool *
+ptlrpc_init_rq_pool(int, int,
+ void (*populate_pool)(struct ptlrpc_request_pool *, int));
+
+void ptlrpc_at_set_req_timeout(struct ptlrpc_request *req);
+struct ptlrpc_request *ptlrpc_request_alloc(struct obd_import *imp,
+ const struct req_format *format);
+struct ptlrpc_request *ptlrpc_request_alloc_pool(struct obd_import *imp,
+ struct ptlrpc_request_pool *,
+ const struct req_format *format);
+void ptlrpc_request_free(struct ptlrpc_request *request);
+int ptlrpc_request_pack(struct ptlrpc_request *request,
+ __u32 version, int opcode);
+struct ptlrpc_request *ptlrpc_request_alloc_pack(struct obd_import *imp,
+ const struct req_format *format,
+ __u32 version, int opcode);
+int ptlrpc_request_bufs_pack(struct ptlrpc_request *request,
+ __u32 version, int opcode, char **bufs,
+ struct ptlrpc_cli_ctx *ctx);
struct ptlrpc_request *ptlrpc_prep_req(struct obd_import *imp, __u32 version,
- int opcode, int count, int *lengths,
+ int opcode, int count, __u32 *lengths,
char **bufs);
struct ptlrpc_request *ptlrpc_prep_req_pool(struct obd_import *imp,
__u32 version, int opcode,
- int count, int *lengths, char **bufs,
- struct ptlrpc_request_pool *pool,
- struct ptlrpc_cli_ctx *ctx);
-void ptlrpc_free_req(struct ptlrpc_request *request);
+ int count, __u32 *lengths, char **bufs,
+ struct ptlrpc_request_pool *pool);
void ptlrpc_req_finished(struct ptlrpc_request *request);
void ptlrpc_req_finished_with_imp_lock(struct ptlrpc_request *request);
struct ptlrpc_request *ptlrpc_request_addref(struct ptlrpc_request *req);
int psc_max_reply_size;
int psc_req_portal;
int psc_rep_portal;
- int psc_watchdog_timeout; /* in ms */
+ int psc_watchdog_factor;
int psc_min_threads;
int psc_max_threads;
__u32 psc_ctx_tags;
struct ptlrpc_service *ptlrpc_init_svc(int nbufs, int bufsize, int max_req_size,
int max_reply_size,
int req_portal, int rep_portal,
- int watchdog_timeout, /* in ms */
+ int watchdog_factor,
svc_handler_t, char *name,
cfs_proc_dir_entry_t *proc_entry,
svcreq_printfn_t,
int ptlrpc_import_recovery_state_machine(struct obd_import *imp);
/* ptlrpc/pack_generic.c */
+int ptlrpc_reconnect_import(struct obd_import *imp);
int lustre_msg_swabbed(struct lustre_msg *msg);
int lustre_msg_check_version(struct lustre_msg *msg, __u32 version);
-void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, int *lens,
+void lustre_init_msg_v2(struct lustre_msg_v2 *msg, int count, __u32 *lens,
char **bufs);
int lustre_pack_request(struct ptlrpc_request *, __u32 magic, int count,
- int *lens, char **bufs);
-int lustre_pack_reply(struct ptlrpc_request *, int count, int *lens,
+ __u32 *lens, char **bufs);
+int lustre_pack_reply(struct ptlrpc_request *, int count, __u32 *lens,
char **bufs);
int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
- int *lens, char **bufs);
+ __u32 *lens, char **bufs, int flags);
+#define LPRFL_EARLY_REPLY 1
+int lustre_pack_reply_flags(struct ptlrpc_request *, int count, __u32 *lens,
+ char **bufs, int flags);
int lustre_shrink_msg(struct lustre_msg *msg, int segment,
unsigned int newlen, int move_data);
void lustre_free_reply_state(struct ptlrpc_reply_state *rs);
-int lustre_msg_size(__u32 magic, int count, int *lengths);
-int lustre_msg_size_v2(int count, int *lengths);
+int lustre_msg_hdr_size(__u32 magic, int count);
+int lustre_msg_size(__u32 magic, int count, __u32 *lengths);
+int lustre_msg_size_v2(int count, __u32 *lengths);
int lustre_packed_msg_size(struct lustre_msg *msg);
+int lustre_msg_early_size(void);
int lustre_unpack_msg(struct lustre_msg *m, int len);
-void *lustre_msg_buf_v1(void *msg, int n, int min_size);
void *lustre_msg_buf_v2(struct lustre_msg_v2 *m, int n, int min_size);
void *lustre_msg_buf(struct lustre_msg *m, int n, int minlen);
int lustre_msg_buflen(struct lustre_msg *m, int n);
void *swabber);
void *lustre_swab_repbuf(struct ptlrpc_request *req, int n, int minlen,
void *swabber);
+__u32 lustre_msghdr_get_flags(struct lustre_msg *msg);
+void lustre_msghdr_set_flags(struct lustre_msg *msg, __u32 flags);
__u32 lustre_msg_get_flags(struct lustre_msg *msg);
void lustre_msg_add_flags(struct lustre_msg *msg, int flags);
void lustre_msg_set_flags(struct lustre_msg *msg, int flags);
void lustre_msg_set_limit(struct lustre_msg *msg, __u64 limit);
int lustre_msg_get_status(struct lustre_msg *msg);
__u32 lustre_msg_get_conn_cnt(struct lustre_msg *msg);
+int lustre_msg_is_v1(struct lustre_msg *msg);
__u32 lustre_msg_get_magic(struct lustre_msg *msg);
+__u32 lustre_msg_get_timeout(struct lustre_msg *msg);
+__u32 lustre_msg_get_service_time(struct lustre_msg *msg);
+__u32 lustre_msg_get_cksum(struct lustre_msg *msg);
+__u32 lustre_msg_calc_cksum(struct lustre_msg *msg);
void lustre_msg_set_handle(struct lustre_msg *msg,struct lustre_handle *handle);
void lustre_msg_set_type(struct lustre_msg *msg, __u32 type);
void lustre_msg_set_opc(struct lustre_msg *msg, __u32 opc);
void lustre_msg_set_transno(struct lustre_msg *msg, __u64 transno);
void lustre_msg_set_status(struct lustre_msg *msg, __u32 status);
void lustre_msg_set_conn_cnt(struct lustre_msg *msg, __u32 conn_cnt);
+void ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, __u32 *sizes);
+void ptlrpc_request_set_replen(struct ptlrpc_request *req);
+void lustre_msg_set_timeout(struct lustre_msg *msg, __u32 timeout);
+void lustre_msg_set_service_time(struct lustre_msg *msg, __u32 service_time);
+void lustre_msg_set_cksum(struct lustre_msg *msg, __u32 cksum);
static inline void
lustre_shrink_reply(struct ptlrpc_request *req, int segment,
lustre_free_reply_state(rs);
}
+/* Should only be called once per req */
+static inline void ptlrpc_req_drop_rs(struct ptlrpc_request *req)
+{
+ if (req->rq_reply_state == NULL)
+ return; /* shouldn't occur */
+ ptlrpc_rs_decref(req->rq_reply_state);
+ req->rq_reply_state = NULL;
+ req->rq_repmsg = NULL;
+}
+
static inline __u32 lustre_request_magic(struct ptlrpc_request *req)
{
return lustre_msg_get_magic(req->rq_reqmsg);
static inline int ptlrpc_req_get_repsize(struct ptlrpc_request *req)
{
switch (req->rq_reqmsg->lm_magic) {
- case LUSTRE_MSG_MAGIC_V1:
- CERROR("function not supported for lustre_msg V1!\n");
- return -ENOTSUPP;
case LUSTRE_MSG_MAGIC_V2:
return req->rq_reqmsg->lm_repsize;
default:
}
}
-static inline void
-ptlrpc_req_set_repsize(struct ptlrpc_request *req, int count, int *lens)
-{
- req->rq_replen = lustre_msg_size(req->rq_reqmsg->lm_magic, count, lens);
- if (req->rq_reqmsg->lm_magic == LUSTRE_MSG_MAGIC_V2)
- req->rq_reqmsg->lm_repsize = req->rq_replen;
-}
-
/* ldlm/ldlm_lib.c */
int client_obd_setup(struct obd_device *obddev, struct lustre_cfg *lcfg);
int client_obd_cleanup(struct obd_device *obddev);
int client_connect_import(const struct lu_env *env,
struct lustre_handle *conn, struct obd_device *obd,
- struct obd_uuid *cluuid, struct obd_connect_data *);
+ struct obd_uuid *cluuid, struct obd_connect_data *,
+ void *localdata);
int client_disconnect_export(struct obd_export *exp);
int client_import_add_conn(struct obd_import *imp, struct obd_uuid *uuid,
int priority);
int ptlrpc_check_and_wait_suspend(struct ptlrpc_request *req);
/* ptlrpc/ptlrpcd.c */
+int ptlrpcd_start(char *name, struct ptlrpcd_ctl *pc);
+void ptlrpcd_stop(struct ptlrpcd_ctl *pc, int force);
void ptlrpcd_wake(struct ptlrpc_request *req);
void ptlrpcd_add_req(struct ptlrpc_request *req);
int ptlrpcd_addref(void);
#ifdef LPROCFS
void ptlrpc_lprocfs_register_obd(struct obd_device *obd);
void ptlrpc_lprocfs_unregister_obd(struct obd_device *obd);
-void ptlrpc_lprocfs_brw(struct ptlrpc_request *req, int opc, int bytes);
+void ptlrpc_lprocfs_brw(struct ptlrpc_request *req, int bytes);
#else
static inline void ptlrpc_lprocfs_register_obd(struct obd_device *obd) {}
static inline void ptlrpc_lprocfs_unregister_obd(struct obd_device *obd) {}
-static inline void ptlrpc_lprocfs_brw(struct ptlrpc_request *req, int opc,
- int bytes) {}
+static inline void ptlrpc_lprocfs_brw(struct ptlrpc_request *req, int bytes) {}
#endif
/* ptlrpc/llog_server.c */