* possible transfer size, PTLRPC_BULK_OPS_COUNT must be a power-of-two
* value. The client is free to limit the actual RPC size for any bulk
* transfer via cl_max_pages_per_rpc to some non-power-of-two value.
- * NOTE: This is limited to 16 (=64GB RPCs) by IOOBJ_MAX_BRW_BITS. */
+ * NOTE: This is limited to 16 (=64GB RPCs) by IOOBJ_MAX_BRW_BITS.
+ */
#define PTLRPC_BULK_OPS_BITS 6
#if PTLRPC_BULK_OPS_BITS > 16
#error "More than 65536 BRW RPCs not allowed by IOOBJ_MAX_BRW_BITS."
* protocol limitation on the maximum RPC size that can be used by any
* RPC sent to that server in the future. Instead, the server should
* use the negotiated per-client ocd_brw_size to determine the bulk
- * RPC count. */
+ * RPC count.
+ */
#define PTLRPC_BULK_OPS_MASK (~((__u64)PTLRPC_BULK_OPS_COUNT - 1))
/**
* top of this subset
* b) bind service threads on a few partitions, see modparameters of
* MDS and OSS for details
-*
+ *
* NB: these calculations (and examples below) are simplified to help
* understanding, the real implementation is a little more complex,
* please see ptlrpc_server_nthreads_check() for details.
* Assume file name length = FNAME_MAX = 256 (true for ext3).
* path name length = PATH_MAX = 4096
* LOV MD size max = EA_MAX = 24 * 2000
- * (NB: 24 is size of lov_ost_data)
+ * (NB: 24 is size of lov_ost_data)
* LOV LOGCOOKIE size max = 32 * 2000
- * (NB: 32 is size of llog_cookie)
+ * (NB: 32 is size of llog_cookie)
* symlink: FNAME_MAX + PATH_MAX <- largest
* link: FNAME_MAX + PATH_MAX (mds_rec_link < mds_rec_create)
* rename: FNAME_MAX + FNAME_MAX
* OUT_BUFSIZE = max_out_reqsize + max sptlrpc payload (~1K) which is
* about 10K, for the same reason as MDS_REG_BUFSIZE, we also give some
* extra bytes to each request buffer to improve buffer utilization rate.
- */
+ */
#define OUT_BUFSIZE max(OUT_MAXREQSIZE + SPTLRPC_MAX_PAYLOAD, \
24 * 1024)
/**
* SEQ_MAXREQSIZE == lustre_msg + __u32 padding + ptlrpc_body + opc + lu_range +
- * __u32 padding */
+ * __u32 padding
+ */
#define SEQ_MAXREQSIZE (160)
/** SEQ_MAXREPSIZE == lustre_msg + ptlrpc_body + lu_range */
((_OST_MAXREQSIZE_SUM - 1) | \
(1024UL - 1)) + 1)
/* Safe estimate of free space in standard RPC, provides upper limit for # of
- * bytes of i/o to pack in RPC (skipping bulk transfer). */
+ * bytes of i/o to pack in RPC (skipping bulk transfer).
+ */
#define OST_MAX_SHORT_IO_BYTES ((OST_IO_MAXREQSIZE - _OST_MAXREQSIZE_BASE) & \
PAGE_MASK)
/* Actual size used for short i/o buffer. Calculation means this:
* At least one page (for large PAGE_SIZE), or 16 KiB, but not more
- * than the available space aligned to a page boundary. */
+ * than the available space aligned to a page boundary.
+ */
#define OBD_DEF_SHORT_IO_BYTES min(max(PAGE_SIZE, 16UL * 1024UL), \
OST_MAX_SHORT_IO_BYTES)
/** state flags of requests */
/* XXX only ones left are those used by the bulk descs as well! */
#define PTL_RPC_FL_INTR BIT(0) /* reply wait was interrupted by user */
-#define PTL_RPC_FL_TIMEOUT BIT(7) /* request timed out waiting for reply */
+#define PTL_RPC_FL_TIMEOUT BIT(7) /* req timed out waiting for reply */
#define REQ_MAX_ACK_LOCKS 8
/** A spinlock to protect the reply state flags */
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
- difficult requests */
- unsigned long rs_scheduled:1; /* being handled? */
+ unsigned long rs_difficult:1; /* ACK/commit stuff */
+ unsigned long rs_no_ack:1; /* no ACK, (incl difficult reqs) */
+ 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_sent:1; /* Got LNET_EVENT_SEND? */
+ unsigned long rs_handled:1; /* been handled yet? */
+ unsigned long rs_sent:1; /* Got LNET_EVENT_SEND? */
unsigned long rs_unlinked:1; /* Reply MD unlinked? */
unsigned long rs_prealloc:1; /* rs from prealloc list */
- unsigned long rs_committed:1;/* the transaction was committed
- and the rs was dispatched
- by ptlrpc_commit_replies */
- atomic_t rs_refcount; /* number of users */
+ /* transaction committed and rs dispatched by ptlrpc_commit_replies */
+ unsigned long rs_committed:1;
+ atomic_t rs_refcount; /* number of users */
/** Number of locks awaiting client ACK */
int rs_nlocks;
/** Type of request interpreter call-back */
typedef int (*ptlrpc_interpterer_t)(const struct lu_env *env,
- struct ptlrpc_request *req,
- void *arg, int rc);
+ struct ptlrpc_request *req,
+ void *arg, int rc);
/** Type of request resend call-back */
typedef void (*ptlrpc_resend_cb_t)(struct ptlrpc_request *req,
void *arg);
* contended a priority over other requests.
*/
struct ptlrpc_hpreq_ops {
- /**
- * Check if the lock handle of the given lock is the same as
- * taken from the request.
- */
- int (*hpreq_lock_match)(struct ptlrpc_request *, struct ldlm_lock *);
- /**
- * Check if the request is a high priority one.
- */
- int (*hpreq_check)(struct ptlrpc_request *);
- /**
- * Called after the request has been handled.
- */
- void (*hpreq_fini)(struct ptlrpc_request *);
+ /**
+ * Check if the lock handle of the given lock is the same as
+ * taken from the request.
+ */
+ int (*hpreq_lock_match)(struct ptlrpc_request *, struct ldlm_lock *);
+ /**
+ * Check if the request is a high priority one.
+ */
+ int (*hpreq_check)(struct ptlrpc_request *);
+ /**
+ * Called after the request has been handled.
+ */
+ void (*hpreq_fini)(struct ptlrpc_request *);
};
struct ptlrpc_cli_req {
/** 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 */
+ * 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
/** 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 */
+ * 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
spinlock_t rq_early_free_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,
- /**
- * when ->rq_replay is set, request is kept by the client even
- * after server commits corresponding transaction. This is
- * used for operations that require sequence of multiple
- * requests to be replayed. The only example currently is file
- * open/close. When last request in such a sequence is
- * committed, ->rq_replay is cleared on all requests in the
- * sequence.
- */
- rq_replay: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_timedout:1, rq_resend:1, rq_restart:1,
+ /**
+ * when ->rq_replay is set, request is kept by the client even
+ * after server commits corresponding transaction. This is
+ * used for operations that require sequence of multiple
+ * requests to be replayed. The only example currently is file
+ * open/close. When last request in such a sequence is
+ * committed, ->rq_replay is cleared on all requests in the
+ * sequence.
+ */
+ rq_replay: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_early:1,
rq_req_unlinked:1, /* unlinked request buffer from lnet */
rq_reply_unlinked:1, /* unlinked reply buffer from lnet */
rq_generation_set:1,
/** do not resend request on -EINPROGRESS */
rq_no_retry_einprogress:1,
- /* allow the req to be sent if the import is in recovery
- * status */
+ /* allow req to be sent if the import is in recovery status */
rq_allow_replay:1,
/* bulk request, sent to server, but uncommitted */
rq_unstable:1,
* for multiple replies
*/
atomic_t rq_refcount;
- /**
- * client-side:
- * !rq_truncate : # reply bytes actually received,
- * rq_truncate : required repbuf_len for resend
- */
- int rq_nob_received;
- /** Request length */
- int rq_reqlen;
- /** Reply length */
- int rq_replen;
+ /**
+ * client-side:
+ * !rq_truncate : # reply bytes actually received,
+ * rq_truncate : required repbuf_len for resend
+ */
+ int rq_nob_received;
+ /** Request length */
+ int rq_reqlen;
+ /** Reply length */
+ int rq_replen;
/** Pool if request is from preallocated list */
struct ptlrpc_request_pool *rq_pool;
- /** Transaction number */
- __u64 rq_transno;
- /** xid */
- __u64 rq_xid;
+ /** Transaction number */
+ __u64 rq_transno;
+ /** xid */
+ __u64 rq_xid;
/** bulk match bits */
__u64 rq_mbits;
/** reply match bits */
struct ptlrpc_cli_req rq_cli;
struct ptlrpc_srv_req rq_srv;
};
- /**
- * security and encryption data
- * @{ */
- /** description of flavors for client & server */
+ /* security and encryption data */
+ /* description of flavors for client & server */
struct sptlrpc_flavor rq_flvr;
/* client/server security flags */
unsigned int
- 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 */
- /* server authentication flags */
- rq_auth_gss:1, /* authenticated by gss */
- rq_auth_usr_root:1, /* authed as root */
- rq_auth_usr_mdt:1, /* authed as mdt */
- rq_auth_usr_ost:1, /* authed as ost */
- /* security tfm flags */
- rq_pack_udesc:1,
- rq_pack_bulk:1,
- /* doesn't expect reply FIXME */
- rq_no_reply:1,
- rq_pill_init:1, /* pill initialized */
- rq_srv_req:1; /* server request */
-
+ 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 */
+ /* server authentication flags */
+ rq_auth_gss:1, /* authenticated by gss */
+ rq_auth_usr_root:1, /* authed as root */
+ rq_auth_usr_mdt:1, /* authed as mdt */
+ rq_auth_usr_ost:1, /* authed as ost */
+ /* security tfm flags */
+ rq_pack_udesc:1,
+ rq_pack_bulk:1,
+ /* doesn't expect reply FIXME */
+ rq_no_reply:1,
+ rq_pill_init:1, /* pill initialized */
+ rq_srv_req:1; /* server request */
/** various buffer pointers */
struct lustre_msg *rq_reqbuf; /**< req wrapper, vmalloc*/
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_repdata_len; /* rep wrapper msg len */
- int rq_clrbuf_len; /* only in priv mode */
- int rq_clrdata_len; /* only in priv mode */
+ 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_repdata_len; /* rep wrapper msg len */
+ int rq_clrbuf_len; /* only in priv mode */
+ int rq_clrdata_len; /* only in priv mode */
/** early replies go to offset 0, regular replies go after that */
unsigned int rq_reply_off;
* rc if there was no handler defined for this request.
*/
static inline int ptlrpc_req_interpret(const struct lu_env *env,
- struct ptlrpc_request *req, int rc)
+ struct ptlrpc_request *req, int rc)
{
if (req->rq_interpret_reply != NULL) {
req->rq_status = req->rq_interpret_reply(env, req,
static inline const char *
ptlrpc_rqphase2str(struct ptlrpc_request *req)
{
- return ptlrpc_phase2str(req->rq_phase);
+ return ptlrpc_phase2str(req->rq_phase);
}
/**
FLAG(req->rq_err, "E"), FLAG(req->rq_net_err, "e"), \
FLAG(req->rq_timedout, "X") /* eXpired */, FLAG(req->rq_resend, "S"), \
FLAG(req->rq_restart, "T"), FLAG(req->rq_replay, "P"), \
- FLAG(req->rq_no_resend, "N"), FLAG(req->rq_no_reply, "n"), \
+ FLAG(req->rq_no_resend, "N"), FLAG(req->rq_no_reply, "n"), \
FLAG(req->rq_waiting, "W"), \
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%s%s%s%s%s%s"
+__printf(3, 4) /* __attribute__ */
void _debug_req(struct ptlrpc_request *req,
- struct libcfs_debug_msg_data *data, const char *fmt, ...)
- __attribute__ ((format (printf, 3, 4)));
+ struct libcfs_debug_msg_data *data, const char *fmt, ...);
/**
* Helper that decides if we need to print request accordig to current debug
*/
#define debug_req(msgdata, mask, cdls, req, fmt, a...) \
do { \
- if (((mask) & D_CANTMASK) != 0 || \
- ((libcfs_debug & (mask)) != 0 && \
- (libcfs_subsystem_debug & DEBUG_SUBSYSTEM) != 0)) \
- _debug_req((req), msgdata, fmt, ##a); \
-} while(0)
+ if (((mask) & D_CANTMASK) != 0 || \
+ ((libcfs_debug & (mask)) != 0 && \
+ (libcfs_subsystem_debug & DEBUG_SUBSYSTEM) != 0)) \
+ _debug_req((req), msgdata, fmt, ##a); \
+} while (0)
/**
* This is the debug print function you need to use to print request sturucture
* content into lustre debug log.
- * for most callers (level is a constant) this is resolved at compile time */
+ * for most callers (level is a constant) this is resolved at compile time
+ */
#define DEBUG_REQ(level, req, fmt, args...) \
do { \
- if ((level) & (D_ERROR | D_WARNING)) { \
- static struct cfs_debug_limit_state cdls; \
- LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, level, &cdls); \
- debug_req(&msgdata, level, &cdls, req, "@@@ "fmt" ", ## args);\
- } else { \
- LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, level, NULL); \
- debug_req(&msgdata, level, NULL, req, "@@@ "fmt" ", ## args); \
- } \
+ if ((level) & (D_ERROR | D_WARNING)) { \
+ static struct cfs_debug_limit_state cdls; \
+ LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, level, &cdls); \
+ debug_req(&msgdata, level, &cdls, req, "@@@ "fmt" ", ## args);\
+ } else { \
+ LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, level, NULL); \
+ debug_req(&msgdata, level, NULL, req, "@@@ "fmt" ", ## args); \
+ } \
} while (0)
/** @} */
static inline int thread_is_stopped(struct ptlrpc_thread *thread)
{
- return !!(thread->t_flags & SVC_STOPPED);
+ return !!(thread->t_flags & SVC_STOPPED);
}
static inline int thread_is_stopping(struct ptlrpc_thread *thread)
{
- return !!(thread->t_flags & SVC_STOPPING);
+ return !!(thread->t_flags & SVC_STOPPING);
}
static inline int thread_is_starting(struct ptlrpc_thread *thread)
{
- return !!(thread->t_flags & SVC_STARTING);
+ return !!(thread->t_flags & SVC_STARTING);
}
static inline int thread_is_running(struct ptlrpc_thread *thread)
{
- return !!(thread->t_flags & SVC_RUNNING);
+ return !!(thread->t_flags & SVC_RUNNING);
}
static inline void thread_clear_flags(struct ptlrpc_thread *thread, __u32 flags)
{
- thread->t_flags &= ~flags;
+ thread->t_flags &= ~flags;
}
static inline void thread_set_flags(struct ptlrpc_thread *thread, __u32 flags)
{
- thread->t_flags = flags;
+ thread->t_flags = flags;
}
static inline void thread_add_flags(struct ptlrpc_thread *thread, __u32 flags)
{
- thread->t_flags |= flags;
+ thread->t_flags |= flags;
}
static inline int thread_test_and_clear_flags(struct ptlrpc_thread *thread,
- __u32 flags)
+ __u32 flags)
{
- if (thread->t_flags & flags) {
- thread->t_flags &= ~flags;
- return 1;
- }
- return 0;
+ if (thread->t_flags & flags) {
+ thread->t_flags &= ~flags;
+ return 1;
+ }
+ return 0;
}
/**
struct list_head srv_list;
/** service operations table */
struct ptlrpc_service_ops srv_ops;
- /** only statically allocated strings here; we don't clean them */
- 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 */
+ char *srv_name;
+ /** only statically allocated strings here; we don't clean them */
+ char *srv_thread_name;
/** threads # should be created for each partition on initializing */
int srv_nthrs_cpt_init;
/** limit of threads number for each partition */
int srv_nthrs_cpt_limit;
/** Root of debugfs dir tree for this service */
struct dentry *srv_debugfs_entry;
- /** Pointer to statistic data for this service */
- struct lprocfs_stats *srv_stats;
- /** # hp per lp reqs to handle */
- int srv_hpreq_ratio;
- /** biggest request to receive */
- int srv_max_req_size;
- /** biggest reply to send */
- int srv_max_reply_size;
- /** size of individual buffers */
- int srv_buf_size;
- /** # buffers to allocate in 1 group */
- int srv_nbuf_per_group;
- /** Local portal on which to receive requests */
- __u32 srv_req_portal;
- /** Portal on the client to send replies to */
- __u32 srv_rep_portal;
- /**
- * Tags for lu_context associated with this thread, see struct
- * lu_context.
- */
- __u32 srv_ctx_tags;
- /** soft watchdog timeout multiplier */
- int srv_watchdog_factor;
- /** under unregister_service */
- unsigned srv_is_stopping:1;
+ /** Pointer to statistic data for this service */
+ struct lprocfs_stats *srv_stats;
+ /** # hp per lp reqs to handle */
+ int srv_hpreq_ratio;
+ /** biggest request to receive */
+ int srv_max_req_size;
+ /** biggest reply to send */
+ int srv_max_reply_size;
+ /** size of individual buffers */
+ int srv_buf_size;
+ /** # buffers to allocate in 1 group */
+ int srv_nbuf_per_group;
+ /** Local portal on which to receive requests */
+ __u32 srv_req_portal;
+ /** Portal on the client to send replies to */
+ __u32 srv_rep_portal;
+ /**
+ * Tags for lu_context associated with this thread, see struct
+ * lu_context.
+ */
+ __u32 srv_ctx_tags;
+ /** soft watchdog timeout multiplier */
+ int srv_watchdog_factor;
+ /** under unregister_service */
+ unsigned srv_is_stopping:1;
/** Whether or not to restrict service threads to CPUs in this CPT */
unsigned srv_cpt_bind:1;
* rqbd list and incoming requests waiting for preprocess,
* threads starting & stopping are also protected by this lock.
*/
- spinlock_t scp_lock __cfs_cacheline_aligned;
+ spinlock_t scp_lock __cfs_cacheline_aligned;
/** userland serialization */
struct mutex scp_mutex;
/** total # req buffer descs allocated */
/** NRS head for regular requests */
struct ptlrpc_nrs scp_nrs_reg;
- /** NRS head for HP requests; this is only valid for services that can
- * handle HP requests */
+ /** NRS head for HP reqs; valid for services that can handle HP reqs */
struct ptlrpc_nrs *scp_nrs_hp;
/** AT stuff */
/** debug */
ktime_t scp_at_checktime;
/** check early replies */
- unsigned scp_at_check;
+ unsigned int scp_at_check;
/** @} */
/**
* CPT the thread is bound on.
*/
int pc_cpt;
- /**
- * Index of ptlrpcd thread in the array.
- */
+ /**
+ * Index of ptlrpcd thread in the array.
+ */
int pc_index;
/**
* Pointer to the array of partners' ptlrpcd_ctl structure.
*/
#ifdef HAVE_SERVER_SUPPORT
struct ptlrpc_bulk_desc *ptlrpc_prep_bulk_exp(struct ptlrpc_request *req,
- unsigned nfrags, unsigned max_brw,
+ unsigned int nfrags,
+ unsigned int max_brw,
unsigned int type,
- unsigned portal,
+ unsigned int portal,
const struct ptlrpc_bulk_frag_ops
*ops);
int ptlrpc_start_bulk_transfer(struct ptlrpc_bulk_desc *desc);
void ptlrpc_request_committed(struct ptlrpc_request *req, int force);
void ptlrpc_init_client(int req_portal, int rep_portal, const char *name,
- struct ptlrpc_client *);
+ struct ptlrpc_client *pc);
void ptlrpc_cleanup_client(struct obd_import *imp);
struct ptlrpc_connection *ptlrpc_uuid_to_connection(struct obd_uuid *uuid,
u32 refnet);
struct ptlrpc_request_set *ptlrpc_prep_fcset(int max, set_producer_func func,
void *arg);
int ptlrpc_check_set(const struct lu_env *env, struct ptlrpc_request_set *set);
-int ptlrpc_set_wait(const struct lu_env *env, struct ptlrpc_request_set *);
-void ptlrpc_set_destroy(struct ptlrpc_request_set *);
-void ptlrpc_set_add_req(struct ptlrpc_request_set *, struct ptlrpc_request *);
+int ptlrpc_set_wait(const struct lu_env *env, struct ptlrpc_request_set *set);
+void ptlrpc_set_destroy(struct ptlrpc_request_set *set);
+void ptlrpc_set_add_req(struct ptlrpc_request_set *set,
+ struct ptlrpc_request *req);
#define PTLRPCD_SET ((struct ptlrpc_request_set *)1)
void ptlrpc_free_rq_pool(struct ptlrpc_request_pool *pool);
int ptlrpc_add_rqs_to_pool(struct ptlrpc_request_pool *pool, int num_rq);
struct ptlrpc_request_pool *
-ptlrpc_init_rq_pool(int, int,
+ptlrpc_init_rq_pool(int num_rq, int msgsiz,
int (*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);
+ 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);
+ struct ptlrpc_request_pool *pr,
+ const struct req_format *fmat);
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_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);
+ __u32 version, int opcode, char **bufs,
+ struct ptlrpc_cli_ctx *ctx);
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);
struct ptlrpc_bulk_desc *ptlrpc_prep_bulk_imp(struct ptlrpc_request *req,
- unsigned nfrags, unsigned max_brw,
- unsigned int type,
- unsigned portal,
- const struct ptlrpc_bulk_frag_ops
- *ops);
+ unsigned int nfrags,
+ unsigned int max_brw, unsigned int type,
+ unsigned int portal,
+ const struct ptlrpc_bulk_frag_ops *ops);
void __ptlrpc_prep_bulk_page(struct ptlrpc_bulk_desc *desc,
struct page *page, int pageoffset, int len,
}
void ptlrpc_retain_replayable_request(struct ptlrpc_request *req,
- struct obd_import *imp);
+ struct obd_import *imp);
__u64 ptlrpc_next_xid(void);
__u64 ptlrpc_sample_next_xid(void);
__u64 ptlrpc_req_xid(struct ptlrpc_request *request);
/* Set of routines to run a function in ptlrpcd context */
void *ptlrpcd_alloc_work(struct obd_import *imp,
- int (*cb)(const struct lu_env *, void *), void *data);
+ int (*cb)(const struct lu_env *, void *), void *data);
void ptlrpcd_destroy_work(void *handler);
int ptlrpcd_queue_work(void *handler);
/* "soft" limit for total threads number */
unsigned int tc_nthrs_max;
/* user specified threads number, it will be validated due to
- * other members of this structure. */
+ * other members of this structure.
+ */
unsigned int tc_nthrs_user;
/* bind service threads to only CPUs in their associated CPT */
unsigned int tc_cpu_bind;
struct dentry *debugfs_entry);
int ptlrpc_unregister_service(struct ptlrpc_service *service);
-int ptlrpc_service_health_check(struct ptlrpc_service *);
+int ptlrpc_service_health_check(struct ptlrpc_service *service);
void ptlrpc_server_drop_request(struct ptlrpc_request *req);
void ptlrpc_request_change_export(struct ptlrpc_request *req,
struct obd_export *export);
int lustre_msg_check_version(struct lustre_msg *msg, __u32 version);
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,
- __u32 *lens, char **bufs);
-int lustre_pack_reply(struct ptlrpc_request *, int count, __u32 *lens,
- char **bufs);
+ char **bufs);
+int lustre_pack_request(struct ptlrpc_request *req, __u32 magic, int count,
+ __u32 *lens, char **bufs);
+int lustre_pack_reply(struct ptlrpc_request *req, int count, __u32 *lens,
+ char **bufs);
int lustre_pack_reply_v2(struct ptlrpc_request *req, int count,
- __u32 *lens, char **bufs, int flags);
+ __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);
+ char **bufs, int flags);
int lustre_shrink_msg(struct lustre_msg *msg, int segment,
- unsigned int newlen, int move_data);
+ unsigned int newlen, int move_data);
int lustre_grow_msg(struct lustre_msg *msg, int segment, unsigned int newlen);
void lustre_free_reply_state(struct ptlrpc_reply_state *rs);
int __lustre_unpack_msg(struct lustre_msg *m, int len);
__u32 lustre_msg_get_cksum(struct lustre_msg *msg);
__u64 lustre_msg_get_mbits(struct lustre_msg *msg);
__u32 lustre_msg_calc_cksum(struct lustre_msg *msg, __u32 buf);
-void lustre_msg_set_handle(struct lustre_msg *msg,struct lustre_handle *handle);
+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_last_xid(struct lustre_msg *msg, __u64 last_xid);
void lustre_msg_set_tag(struct lustre_msg *msg, __u16 tag);
-void lustre_msg_set_last_committed(struct lustre_msg *msg,__u64 last_committed);
+void lustre_msg_set_last_committed(struct lustre_msg *msg,
+ __u64 last_committed);
void lustre_msg_set_versions(struct lustre_msg *msg, __u64 *versions);
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_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, timeout_t timeout);
void lustre_msg_set_service_timeout(struct lustre_msg *msg,
static inline void
lustre_shrink_reply(struct ptlrpc_request *req, int segment,
- unsigned int newlen, int move_data)
+ unsigned int newlen, int move_data)
{
- LASSERT(req->rq_reply_state);
- LASSERT(req->rq_repmsg);
- req->rq_replen = lustre_shrink_msg(req->rq_repmsg, segment,
- newlen, move_data);
+ LASSERT(req->rq_reply_state);
+ LASSERT(req->rq_repmsg);
+ req->rq_replen = lustre_shrink_msg(req->rq_repmsg, segment,
+ newlen, move_data);
}
#ifdef LUSTRE_TRANSLATE_ERRNOS
static inline int
ptlrpc_client_early(struct ptlrpc_request *req)
{
- return req->rq_early;
+ return req->rq_early;
}
/**
static inline void
ptlrpc_client_wake_req(struct ptlrpc_request *req)
{
- smp_mb();
+ smp_mb(); /* ensure client context is deleted before wakeing up */
if (req->rq_set == NULL)
wake_up(&req->rq_reply_waitq);
else
static inline __u32 lustre_request_magic(struct ptlrpc_request *req)
{
- return lustre_msg_get_magic(req->rq_reqmsg);
+ 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_V2:
- return req->rq_reqmsg->lm_repsize;
- default:
- LASSERTF(0, "incorrect message magic: %08x\n",
- req->rq_reqmsg->lm_magic);
- return -EFAULT;
- }
+ switch (req->rq_reqmsg->lm_magic) {
+ case LUSTRE_MSG_MAGIC_V2:
+ return req->rq_reqmsg->lm_repsize;
+ default:
+ LASSERTF(0, "incorrect message magic: %08x\n",
+ req->rq_reqmsg->lm_magic);
+ return -EFAULT;
+ }
}
static inline int ptlrpc_send_limit_expired(struct ptlrpc_request *req)
{
- if (req->rq_delay_limit != 0 &&
+ if (req->rq_delay_limit != 0 &&
req->rq_queued_time + req->rq_delay_limit < ktime_get_seconds())
- return 1;
- return 0;
+ return 1;
+ return 0;
}
static inline int ptlrpc_no_resend(struct ptlrpc_request *req)
int client_obd_setup(struct obd_device *obd, struct lustre_cfg *lcfg);
int client_obd_cleanup(struct obd_device *obd);
int client_connect_import(const struct lu_env *env,
- struct obd_export **exp, struct obd_device *obd,
- struct obd_uuid *cluuid, struct obd_connect_data *,
- void *localdata);
+ struct obd_export **exp, struct obd_device *obd,
+ struct obd_uuid *cluuid, struct obd_connect_data *ocd,
+ 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 priority);
int client_import_dyn_add_conn(struct obd_import *imp, struct obd_uuid *uuid,
struct lnet_nid *prim_nid, int priority);
int client_import_add_nids_to_conn(struct obd_import *imp,
* @{
*/
enum timeout_event {
- TIMEOUT_GRANT = 1
+ TIMEOUT_GRANT = 1,
};
struct timeout_item;
typedef int (*timeout_cb_t)(struct timeout_item *, void *);
int ptlrpc_pinger_add_import(struct obd_import *imp);
int ptlrpc_pinger_del_import(struct obd_import *imp);
-struct ptlrpc_request * ptlrpc_prep_ping(struct obd_import *imp);
+struct ptlrpc_request *ptlrpc_prep_ping(struct obd_import *imp);
int ptlrpc_obd_ping(struct obd_device *obd);
void ping_evictor_start(void);
void ping_evictor_stop(void);
* procfs output related functions
* @{
*/
-const char* ll_opcode2str(__u32 opcode);
+const char *ll_opcode2str(__u32 opcode);
const int ll_str2opcode(const char *ops);
#ifdef CONFIG_PROC_FS
void ptlrpc_lprocfs_register_obd(struct obd_device *obd);
git://git.whamcloud.com / fs / lustre-release.git / commitdiff