* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2013, Intel Corporation.
+ * Copyright (c) 2011, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
spinlock_t at_lock;
};
+enum lustre_at_flags {
+ LATF_SKIP = 0x0,
+ LATF_STATS = 0x1,
+};
+
struct ptlrpc_at_array {
- cfs_list_t *paa_reqs_array; /** array to hold requests */
+ struct list_head *paa_reqs_array; /** array to hold requests */
__u32 paa_size; /** the size of array */
__u32 paa_count; /** the total count of reqs */
time_t paa_deadline; /** the earliest deadline of reqs */
* Definition of import connection structure
*/
struct obd_import_conn {
- /** Item for linking connections together */
- cfs_list_t oic_item;
- /** Pointer to actual PortalRPC connection */
+ /** Item for linking connections together */
+ struct list_head oic_item;
+ /** Pointer to actual PortalRPC connection */
struct ptlrpc_connection *oic_conn;
/** uuid of remote side */
struct obd_uuid oic_uuid;
struct ptlrpc_connection *imp_connection;
/** PortalRPC client structure for this import */
struct ptlrpc_client *imp_client;
- /** List element for linking into pinger chain */
- cfs_list_t imp_pinger_chain;
- /** List element for linking into chain for destruction */
- cfs_list_t imp_zombie_chain;
+ /** List element for linking into pinger chain */
+ struct list_head imp_pinger_chain;
+ /** List element for linking into chain for destruction */
+ struct list_head imp_zombie_chain;
/**
* Lists of requests that are retained for replay, waiting for a reply,
* or waiting for recovery to complete, respectively.
* @{
*/
- cfs_list_t imp_replay_list;
- cfs_list_t imp_sending_list;
- cfs_list_t imp_delayed_list;
+ struct list_head imp_replay_list;
+ struct list_head imp_sending_list;
+ struct list_head imp_delayed_list;
/** @} */
/**
* The imp_replay_cursor is for accelerating searching during replay.
* @{
*/
- cfs_list_t imp_committed_list;
- cfs_list_t *imp_replay_cursor;
+ struct list_head imp_committed_list;
+ struct list_head *imp_replay_cursor;
/** @} */
- /** obd device for this import */
- struct obd_device *imp_obd;
+ /** List of not replied requests */
+ struct list_head imp_unreplied_list;
+ /** Known maximal replied XID */
+ __u64 imp_known_replied_xid;
+
+ /** obd device for this import */
+ struct obd_device *imp_obd;
/**
* some seciruty-related fields
atomic_t imp_timeouts;
/** Current import state */
enum lustre_imp_state imp_state;
+ /** Last replay state */
+ enum lustre_imp_state imp_replay_state;
/** History of import states */
struct import_state_hist imp_state_hist[IMP_STATE_HIST_LEN];
int imp_state_hist_idx;
struct lustre_handle imp_remote_handle;
/** When to perform next ping. time in jiffies. */
cfs_time_t imp_next_ping;
- /** When we last succesfully connected. time in 64bit jiffies */
+ /** When we last successfully connected. time in 64bit jiffies */
__u64 imp_last_success_conn;
/** List of all possible connection for import. */
- cfs_list_t imp_conn_list;
+ struct list_head imp_conn_list;
/**
* Current connection. \a imp_connection is imp_conn_current->oic_conn
*/
imp_resend_replay:1,
/* disable normal recovery, for test only. */
imp_no_pinger_recover:1,
+#if LUSTRE_VERSION_CODE < OBD_OCD_VERSION(3, 0, 53, 0)
/* need IR MNE swab */
imp_need_mne_swab:1,
+#endif
/* import must be reconnected instead of
* chouse new connection */
imp_force_reconnect:1,
__u32 imp_msg_magic;
__u32 imp_msghdr_flags; /* adjusted based on server capability */
- struct ptlrpc_request_pool *imp_rq_pool; /* emergency request pool */
-
struct imp_at imp_at; /* adaptive timeout data */
time_t imp_last_reply_time; /* for health check */
};
return (max((val << 2) / 5, 5U) - 4);
}
-static inline void at_reset(struct adaptive_timeout *at, int val) {
- spin_lock(&at->at_lock);
+static inline void at_reset_nolock(struct adaptive_timeout *at, int val)
+{
at->at_current = val;
at->at_worst_ever = val;
at->at_worst_time = cfs_time_current_sec();
+}
+
+static inline void at_reset(struct adaptive_timeout *at, int val)
+{
+ spin_lock(&at->at_lock);
+ at_reset_nolock(at, val);
spin_unlock(&at->at_lock);
}
+
static inline void at_init(struct adaptive_timeout *at, int val, int flags) {
memset(at, 0, sizeof(*at));
spin_lock_init(&at->at_lock);
at->at_flags = flags;
at_reset(at, val);
}
+
+static inline void at_reinit(struct adaptive_timeout *at, int val, int flags)
+{
+ spin_lock(&at->at_lock);
+ at->at_binstart = 0;
+ memset(at->at_hist, 0, sizeof(at->at_hist));
+ at->at_flags = flags;
+ at_reset_nolock(at, val);
+ spin_unlock(&at->at_lock);
+}
+
extern unsigned int at_min;
static inline int at_get(struct adaptive_timeout *at) {
return (at->at_current > at_min) ? at->at_current : at_min;
git://git.whamcloud.com / fs / lustre-release.git / blobdiff