#ifndef _LUSTRE_NET_H
#define _LUSTRE_NET_H
+/** \defgroup net net
+ *
+ * @{
+ */
+
#if defined(__linux__)
#include <linux/lustre_net.h>
#elif defined(__APPLE__)
#include <lustre_req_layout.h>
#include <obd_support.h>
+#include <lustre_ver.h>
/* MD flags we _always_ use */
#define PTLRPC_MD_OPTIONS 0
*/
#define LDLM_THREADS_AUTO_MIN (2)
-#define LDLM_THREADS_AUTO_MAX min_t(unsigned int, \
- num_online_cpus()*num_online_cpus()*32, 128)
+#define LDLM_THREADS_AUTO_MAX min_t(unsigned, cfs_num_online_cpus() * \
+ cfs_num_online_cpus() * 32, 128)
#define LDLM_BL_THREADS LDLM_THREADS_AUTO_MIN
-#define LDLM_NBUFS (64 * num_online_cpus())
+#define LDLM_NBUFS (64 * cfs_num_online_cpus())
#define LDLM_BUFSIZE (8 * 1024)
#define LDLM_MAXREQSIZE (5 * 1024)
#define LDLM_MAXREPSIZE (1024)
#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 - CFS_PAGE_SHIFT)), 2UL)
-#define FLD_NUM_THREADS max(min_t(unsigned long, MDT_MAX_THREADS, \
- num_physpages >> (25 - CFS_PAGE_SHIFT)), 2UL)
-#define SEQ_NUM_THREADS max(min_t(unsigned long, MDT_MAX_THREADS, \
- num_physpages >> (25 - CFS_PAGE_SHIFT)), 2UL)
+ cfs_num_physpages >> (25 - CFS_PAGE_SHIFT)), \
+ 2UL)
/* Absolute limits */
#define MDS_THREADS_MIN 2
#define MDS_THREADS_MAX 512
#define MDS_THREADS_MIN_READPAGE 2
-#define MDS_NBUFS (64 * num_online_cpus())
+#define MDS_NBUFS (64 * cfs_num_online_cpus())
#define MDS_BUFSIZE (8 * 1024)
/* Assume file name length = FNAME_MAX = 256 (true for ext3).
* path name length = PATH_MAX = 4096
/* SEQ_MAXREPSIZE == lustre_msg + ptlrpc_body + lu_range */
#define SEQ_MAXREPSIZE (152)
-#define MGS_THREADS_AUTO_MIN 2
+/* MGS threads must be >= 3, see bug 22458 comment #28 */
+#define MGS_THREADS_AUTO_MIN 3
#define MGS_THREADS_AUTO_MAX 32
-#define MGS_NBUFS (64 * num_online_cpus())
+#define MGS_NBUFS (64 * cfs_num_online_cpus())
#define MGS_BUFSIZE (8 * 1024)
#define MGS_MAXREQSIZE (7 * 1024)
#define MGS_MAXREPSIZE (9 * 1024)
/* Absolute limits */
#define OSS_THREADS_MIN 3 /* difficult replies, HPQ, others */
#define OSS_THREADS_MAX 512
-#define OST_NBUFS (64 * num_online_cpus())
+#define OST_NBUFS (64 * cfs_num_online_cpus())
#define OST_BUFSIZE (8 * 1024)
/* OST_MAXREQSIZE ~= 4768 bytes =
* lustre_msg + obdo + 16 * obd_ioobj + 256 * niobuf_remote
#define ptlrpc_req_async_args(req) ((void *)&req->rq_async_args)
struct ptlrpc_connection {
- struct hlist_node c_hash;
+ cfs_hlist_node_t c_hash;
lnet_nid_t c_self;
lnet_process_id_t c_peer;
struct obd_uuid c_remote_uuid;
- atomic_t c_refcount;
+ cfs_atomic_t c_refcount;
};
struct ptlrpc_client {
typedef int (*set_interpreter_func)(struct ptlrpc_request_set *, void *, int);
struct ptlrpc_request_set {
- int set_remaining; /* # uncompleted requests */
- cfs_waitq_t set_waitq;
- cfs_waitq_t *set_wakeup_ptr;
- struct list_head set_requests;
- struct list_head set_cblist; /* list of completion callbacks */
- set_interpreter_func set_interpret; /* completion callback */
- void *set_arg; /* completion context */
+ cfs_atomic_t set_remaining; /* # uncompleted requests */
+ cfs_waitq_t set_waitq;
+ cfs_waitq_t *set_wakeup_ptr;
+ cfs_list_t set_requests;
+ cfs_list_t set_cblist; /* list of completion callbacks */
+ set_interpreter_func set_interpret; /* completion callback */
+ void *set_arg; /* completion context */
/* locked so that any old caller can communicate requests to
* the set holder who can then fold them into the lock-free set */
- spinlock_t set_new_req_lock;
- struct list_head set_new_requests;
+ cfs_spinlock_t set_new_req_lock;
+ cfs_list_t set_new_requests;
};
struct ptlrpc_set_cbdata {
- struct list_head psc_item;
+ cfs_list_t psc_item;
set_interpreter_func psc_interpret;
void *psc_data;
};
struct ptlrpc_reply_state {
struct ptlrpc_cb_id rs_cb_id;
- struct list_head rs_list;
- struct list_head rs_exp_list;
- struct list_head rs_obd_list;
+ cfs_list_t rs_list;
+ cfs_list_t rs_exp_list;
+ cfs_list_t rs_obd_list;
#if RS_DEBUG
- struct list_head rs_debug_list;
+ cfs_list_t rs_debug_list;
#endif
/* A spinlock to protect the reply state flags */
- spinlock_t rs_lock;
+ cfs_spinlock_t rs_lock;
/* Reply state flags */
unsigned long rs_difficult:1; /* ACK/commit stuff */
unsigned long rs_no_ack:1; /* no ACK, even for
struct obd_export *rs_export;
struct ptlrpc_service *rs_service;
lnet_handle_md_t rs_md_h;
- atomic_t rs_refcount;
+ cfs_atomic_t rs_refcount;
struct ptlrpc_svc_ctx *rs_svc_ctx;
struct lustre_msg *rs_repbuf; /* wrapper */
void *arg, int rc);
struct ptlrpc_request_pool {
- spinlock_t prp_lock;
- struct list_head prp_req_list; /* list of ptlrpc_request structs */
+ cfs_spinlock_t prp_lock;
+ cfs_list_t prp_req_list; /* list of ptlrpc_request structs */
int prp_rq_size;
void (*prp_populate)(struct ptlrpc_request_pool *, int);
};
*/
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 */
- struct list_head rq_exp_list; /* server-side per-export list */
- struct ptlrpc_hpreq_ops *rq_ops; /* server-side hp handlers */
- __u64 rq_history_seq; /* history sequence # */
+ cfs_list_t rq_list;
+ cfs_list_t rq_timed_list; /* server-side early replies */
+ cfs_list_t rq_history_list; /* server-side history */
+ cfs_list_t rq_exp_list; /* server-side per-export list */
+ struct ptlrpc_hpreq_ops *rq_ops; /* server-side hp handlers */
+ __u64 rq_history_seq; /* history sequence # */
/* the index of service's srv_at_array into which request is linked */
time_t rq_at_index;
int rq_status;
- spinlock_t rq_lock;
+ cfs_spinlock_t rq_lock;
/* 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,
rq_hp:1, /* high priority RPC */
rq_at_linked:1, /* link into service's srv_at_array */
rq_reply_truncate:1,
- rq_committed:1;
+ rq_committed:1,
+ /* whether the "rq_set" is a valid one */
+ rq_invalid_rqset:1;
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 */
+ cfs_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_request_portal; /* XXX FIXME bug 249 */
int rq_reply_portal; /* XXX FIXME bug 249 */
- int rq_nob_received; /* client-side # reply bytes actually received */
-
+ int rq_nob_received; /* client-side:
+ * !rq_truncate : # reply bytes actually received,
+ * rq_truncate : required repbuf_len for resend */
int rq_reqlen;
struct lustre_msg *rq_reqmsg;
struct lustre_msg *rq_repmsg;
__u64 rq_transno;
__u64 rq_xid;
- struct list_head rq_replay_list;
+ cfs_list_t rq_replay_list;
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 */
+ cfs_list_t rq_ctx_chain; /* link to waited ctx */
struct sptlrpc_flavor rq_flvr; /* client & server */
enum lustre_sec_part rq_sp_from;
/* client+server request */
lnet_handle_md_t rq_req_md_h;
struct ptlrpc_cb_id rq_req_cbid;
+ cfs_duration_t rq_delay_limit; /* optional time limit for send attempts */
+ cfs_time_t rq_queued_time; /* time request was first queued */
/* server-side... */
struct timeval rq_arrival_time; /* request arrival time */
int rq_timeout; /* service time estimate (secs) */
/* Multi-rpc bits */
- struct list_head rq_set_chain;
+ cfs_list_t rq_set_chain;
+ cfs_waitq_t rq_set_waitq;
struct ptlrpc_request_set *rq_set;
/** Async completion handler */
ptlrpc_interpterer_t rq_interpret_reply;
FLAG(req->rq_restart, "T"), FLAG(req->rq_replay, "P"), \
FLAG(req->rq_no_resend, "N"), \
FLAG(req->rq_waiting, "W"), \
- FLAG(req->rq_wait_ctx, "C"), FLAG(req->rq_hp, "H")
+ FLAG(req->rq_wait_ctx, "C"), FLAG(req->rq_hp, "H"), \
+ FLAG(req->rq_committed, "M")
-#define REQ_FLAGS_FMT "%s:%s%s%s%s%s%s%s%s%s%s%s"
+#define REQ_FLAGS_FMT "%s:%s%s%s%s%s%s%s%s%s%s%s%s"
void _debug_req(struct ptlrpc_request *req, __u32 mask,
struct libcfs_debug_msg_data *data, const char *fmt, ...)
#define debug_req(cdls, level, req, file, func, line, fmt, a...) \
do { \
- CHECK_STACK(); \
+ CFS_CHECK_STACK(); \
\
if (((level) & D_CANTMASK) != 0 || \
((libcfs_debug & (level)) != 0 && \
} while (0)
struct ptlrpc_bulk_page {
- struct list_head bp_link;
+ cfs_list_t bp_link;
int bp_buflen;
int bp_pageoffset; /* offset within a page */
struct page *bp_page;
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 */
+ cfs_spinlock_t bd_lock; /* serialise with callback */
int bd_import_generation;
struct obd_export *bd_export;
struct obd_import *bd_import;
/**
* active threads in svc->srv_threads
*/
- struct list_head t_link;
+ cfs_list_t t_link;
/**
* thread-private data (preallocated memory)
*/
};
struct ptlrpc_request_buffer_desc {
- struct list_head rqbd_list;
- struct list_head rqbd_reqs;
+ cfs_list_t rqbd_list;
+ cfs_list_t rqbd_reqs;
struct ptlrpc_service *rqbd_service;
lnet_handle_md_t rqbd_md_h;
int rqbd_refcount;
#define PTLRPC_SVC_HP_RATIO 10
struct ptlrpc_service {
- struct list_head srv_list; /* chain thru all services */
+ cfs_list_t srv_list; /* chain thru all services */
int srv_max_req_size; /* biggest request to receive */
int srv_max_reply_size; /* biggest reply to send */
int srv_buf_size; /* size of individual buffers */
int srv_threads_max; /* thread upper limit */
int srv_threads_started; /* index of last started thread */
int srv_threads_running; /* # running threads */
- atomic_t srv_n_difficult_replies; /* # 'difficult' replies */
+ cfs_atomic_t srv_n_difficult_replies; /* # 'difficult' replies */
int srv_n_active_reqs; /* # reqs being served */
int srv_n_hpreq; /* # HPreqs being served */
cfs_duration_t srv_rqbd_timeout; /* timeout before re-posting reqs, in tick */
/* AT stuff */
struct adaptive_timeout srv_at_estimate;/* estimated rpc service time */
- spinlock_t srv_at_lock;
+ cfs_spinlock_t srv_at_lock;
struct ptlrpc_at_array srv_at_array; /* 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 */
- int srv_hpreq_count; /* # hp requests handled */
- int srv_hpreq_ratio; /* # hp per lp reqs to handle */
- struct list_head srv_req_in_queue; /* incoming reqs */
- struct list_head srv_request_queue; /* reqs waiting for service */
- struct list_head srv_request_hpq; /* high priority queue */
-
- struct list_head srv_request_history; /* request history */
- __u64 srv_request_seq; /* next request sequence # */
- __u64 srv_request_max_cull_seq; /* highest seq culled from history */
- svcreq_printfn_t srv_request_history_print_fn; /* service-specific print fn */
-
- struct list_head srv_idle_rqbds; /* request buffers to be reposted */
- struct list_head srv_active_rqbds; /* req buffers receiving */
- struct list_head srv_history_rqbds; /* request buffer history */
- int srv_nrqbd_receiving; /* # posted request buffers */
- int srv_n_history_rqbds; /* # request buffers in history */
- int srv_max_history_rqbds;/* max # request buffers in history */
-
- atomic_t srv_outstanding_replies;
- struct list_head srv_active_replies; /* all the active replies */
+ cfs_timer_t srv_at_timer; /* early reply timer */
+
+ int srv_n_queued_reqs; /* # reqs in either of the queues below */
+ int srv_hpreq_count; /* # hp requests handled */
+ int srv_hpreq_ratio; /* # hp per lp reqs to handle */
+ cfs_list_t srv_req_in_queue; /* incoming reqs */
+ cfs_list_t srv_request_queue; /* reqs waiting for service */
+ cfs_list_t srv_request_hpq; /* high priority queue */
+
+ cfs_list_t srv_request_history; /* request history */
+ __u64 srv_request_seq; /* next request sequence # */
+ __u64 srv_request_max_cull_seq; /* highest seq culled from history */
+ svcreq_printfn_t srv_request_history_print_fn; /* service-specific print fn */
+
+ cfs_list_t srv_idle_rqbds; /* request buffers to be reposted */
+ cfs_list_t srv_active_rqbds; /* req buffers receiving */
+ cfs_list_t srv_history_rqbds; /* request buffer history */
+ int srv_nrqbd_receiving; /* # posted request buffers */
+ int srv_n_history_rqbds; /* # request buffers in history */
+ int srv_max_history_rqbds;/* max # request buffers in history */
+
+ cfs_atomic_t srv_outstanding_replies;
+ cfs_list_t srv_active_replies; /* all the active replies */
#ifndef __KERNEL__
- struct list_head srv_reply_queue; /* replies waiting for service */
+ cfs_list_t srv_reply_queue; /* replies waiting for service */
#endif
- cfs_waitq_t srv_waitq; /* all threads sleep on this. This
- * wait-queue is signalled when new
- * incoming request arrives and when
- * difficult reply has to be handled. */
+ cfs_waitq_t srv_waitq; /* all threads sleep on this. This
+ * wait-queue is signalled when new
+ * incoming request arrives and when
+ * difficult reply has to be handled. */
- struct list_head srv_threads; /* service thread list */
- svc_handler_t srv_handler;
- svc_hpreq_handler_t srv_hpreq_handler; /* hp request handler */
+ cfs_list_t srv_threads; /* service thread list */
+ svc_handler_t srv_handler;
+ svc_hpreq_handler_t srv_hpreq_handler; /* hp request handler */
char *srv_name; /* only statically allocated strings here; we don't clean them */
char *srv_thread_name; /* only statically allocated strings here; we don't clean them */
- spinlock_t srv_lock;
+ cfs_spinlock_t srv_lock;
- cfs_proc_dir_entry_t *srv_procroot;
- struct lprocfs_stats *srv_stats;
+ cfs_proc_dir_entry_t *srv_procroot;
+ struct lprocfs_stats *srv_stats;
/* List of free reply_states */
- struct list_head srv_free_rs_list;
+ cfs_list_t srv_free_rs_list;
/* waitq to run, when adding stuff to srv_free_rs_list */
- cfs_waitq_t srv_free_rs_waitq;
+ cfs_waitq_t srv_free_rs_waitq;
/*
* Tags for lu_context associated with this thread, see struct
* lu_context.
*/
- __u32 srv_ctx_tags;
+ __u32 srv_ctx_tags;
/*
* if non-NULL called during thread creation (ptlrpc_start_thread())
* to initialize service specific per-thread state.
/**
* Thread lock protecting structure fields.
*/
- spinlock_t pc_lock;
+ cfs_spinlock_t pc_lock;
/**
* Start completion.
*/
- struct completion pc_starting;
+ cfs_completion_t pc_starting;
/**
* Stop completion.
*/
- struct completion pc_finishing;
+ cfs_completion_t pc_finishing;
/**
* Thread requests set.
*/
LASSERT(desc != NULL);
- spin_lock(&desc->bd_lock);
+ cfs_spin_lock(&desc->bd_lock);
rc = desc->bd_network_rw;
- spin_unlock(&desc->bd_lock);
+ cfs_spin_unlock(&desc->bd_lock);
return rc;
}
if (!desc)
return 0;
- spin_lock(&desc->bd_lock);
+ cfs_spin_lock(&desc->bd_lock);
rc = desc->bd_network_rw;
- spin_unlock(&desc->bd_lock);
+ cfs_spin_unlock(&desc->bd_lock);
return rc;
}
void ptlrpc_daemonize(char *name);
int ptlrpc_service_health_check(struct ptlrpc_service *);
void ptlrpc_hpreq_reorder(struct ptlrpc_request *req);
+void ptlrpc_server_active_request_inc(struct ptlrpc_request *req);
+void ptlrpc_server_active_request_dec(struct ptlrpc_request *req);
void ptlrpc_server_drop_request(struct ptlrpc_request *req);
#ifdef __KERNEL__
__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);
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(2, 9, 0, 0)
+__u32 lustre_msg_calc_cksum(struct lustre_msg *msg, int compat18);
+#else
+# warning "remove checksum compatibility support for b1_8"
__u32 lustre_msg_calc_cksum(struct lustre_msg *msg);
+#endif
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);
if (new_phase == RQ_PHASE_UNREGISTERING) {
req->rq_next_phase = req->rq_phase;
if (req->rq_import)
- atomic_inc(&req->rq_import->imp_unregistering);
+ cfs_atomic_inc(&req->rq_import->imp_unregistering);
}
if (req->rq_phase == RQ_PHASE_UNREGISTERING) {
if (req->rq_import)
- atomic_dec(&req->rq_import->imp_unregistering);
+ cfs_atomic_dec(&req->rq_import->imp_unregistering);
}
DEBUG_REQ(D_INFO, req, "move req \"%s\" -> \"%s\"",
{
int rc;
- spin_lock(&req->rq_lock);
+ cfs_spin_lock(&req->rq_lock);
if (OBD_FAIL_CHECK(OBD_FAIL_PTLRPC_LONG_REPL_UNLINK) &&
req->rq_reply_deadline > cfs_time_current_sec()) {
- spin_unlock(&req->rq_lock);
+ cfs_spin_unlock(&req->rq_lock);
return 1;
}
rc = req->rq_receiving_reply || req->rq_must_unlink;
- spin_unlock(&req->rq_lock);
+ cfs_spin_unlock(&req->rq_lock);
return rc;
}
static inline void
ptlrpc_rs_addref(struct ptlrpc_reply_state *rs)
{
- LASSERT(atomic_read(&rs->rs_refcount) > 0);
- atomic_inc(&rs->rs_refcount);
+ LASSERT(cfs_atomic_read(&rs->rs_refcount) > 0);
+ cfs_atomic_inc(&rs->rs_refcount);
}
static inline void
ptlrpc_rs_decref(struct ptlrpc_reply_state *rs)
{
- LASSERT(atomic_read(&rs->rs_refcount) > 0);
- if (atomic_dec_and_test(&rs->rs_refcount))
+ LASSERT(cfs_atomic_read(&rs->rs_refcount) > 0);
+ if (cfs_atomic_dec_and_test(&rs->rs_refcount))
lustre_free_reply_state(rs);
}
}
}
+static inline int ptlrpc_send_limit_expired(struct ptlrpc_request *req)
+{
+ if (req->rq_delay_limit != 0 &&
+ cfs_time_before(cfs_time_add(req->rq_queued_time,
+ cfs_time_seconds(req->rq_delay_limit)),
+ cfs_time_current())) {
+ return 1;
+ }
+ return 0;
+}
+
+static inline int ptlrpc_no_resend(struct ptlrpc_request *req)
+{
+ if (!req->rq_no_resend && ptlrpc_send_limit_expired(req)) {
+ cfs_spin_lock(&req->rq_lock);
+ req->rq_no_resend = 1;
+ cfs_spin_unlock(&req->rq_lock);
+ }
+ return req->rq_no_resend;
+}
+
/* 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 ptlrpc_pinger_del_import(struct obd_import *imp);
int ptlrpc_add_timeout_client(int time, enum timeout_event event,
timeout_cb_t cb, void *data,
- struct list_head *obd_list);
-int ptlrpc_del_timeout_client(struct list_head *obd_list,
+ cfs_list_t *obd_list);
+int ptlrpc_del_timeout_client(cfs_list_t *obd_list,
enum timeout_event event);
struct ptlrpc_request * ptlrpc_prep_ping(struct obd_import *imp);
int ptlrpc_obd_ping(struct obd_device *obd);
/* ptlrpc/llog_client.c */
extern struct llog_operations llog_client_ops;
+/** @} net */
+
#endif