* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2016, Intel Corporation.
+ * Copyright (c) 2011, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* @{
*/
+#include <linux/workqueue.h>
+
#include <lprocfs_status.h>
-#include <lustre/lustre_idl.h>
+#include <uapi/linux/lustre/lustre_idl.h>
#include <lustre_dlm.h>
struct mds_client_data;
struct obd_uuid exp_client_uuid;
/** To link all exports on an obd device */
struct list_head exp_obd_chain;
+ /** work_struct for destruction of export */
+ struct work_struct exp_zombie_work;
/* Unlinked export list */
struct list_head exp_stale_list;
struct hlist_node exp_uuid_hash; /** uuid-export hash*/
/** Last committed transno for this export */
__u64 exp_last_committed;
/** When was last request received */
- cfs_time_t exp_last_request_time;
+ time64_t exp_last_request_time;
/** On replay all requests waiting for replay are linked here */
struct list_head exp_req_replay_queue;
/**
* protects exp_flags, exp_outstanding_replies and the change
* of exp_imp_reverse
*/
- spinlock_t exp_lock;
+ spinlock_t exp_lock;
/** Compatibility flags for this export are embedded into
* exp_connect_data */
- struct obd_connect_data exp_connect_data;
- enum obd_option exp_flags;
- unsigned long exp_failed:1,
- exp_in_recovery:1,
- exp_disconnected:1,
- exp_connecting:1,
- /** VBR: export missed recovery */
- exp_delayed:1,
- /** VBR: failed version checking */
- exp_vbr_failed:1,
- exp_req_replay_needed:1,
- exp_lock_replay_needed:1,
- exp_need_sync:1,
- exp_flvr_changed:1,
- exp_flvr_adapt:1,
- exp_libclient:1, /* liblustre client? */
- /* if to swap nidtbl entries for 2.2 clients.
- * Only used by the MGS to fix LU-1644. */
- exp_need_mne_swab:1,
- /* The export already got final replay ping
- * request. */
- exp_replay_done:1;
- /* also protected by exp_lock */
- enum lustre_sec_part exp_sp_peer;
- struct sptlrpc_flavor exp_flvr; /* current */
- struct sptlrpc_flavor exp_flvr_old[2]; /* about-to-expire */
- time64_t exp_flvr_expire[2]; /* seconds */
-
- /** protects exp_hp_rpcs */
+ struct obd_connect_data exp_connect_data;
+ enum obd_option exp_flags;
+ unsigned long exp_failed:1,
+ exp_in_recovery:1,
+ exp_disconnected:1,
+ exp_connecting:1,
+ /** VBR: export missed recovery */
+ exp_delayed:1,
+ /** VBR: failed version checking */
+ exp_vbr_failed:1,
+ exp_req_replay_needed:1,
+ exp_lock_replay_needed:1,
+ exp_need_sync:1,
+ exp_flvr_changed:1,
+ exp_flvr_adapt:1,
+ /* if to swap nidtbl entries for 2.2 clients.
+ * Only used by the MGS to fix LU-1644. */
+ exp_need_mne_swab:1,
+ /* The export already got final replay ping
+ * request. */
+ exp_replay_done:1;
+ /* also protected by exp_lock */
+ enum lustre_sec_part exp_sp_peer;
+ struct sptlrpc_flavor exp_flvr; /* current */
+ struct sptlrpc_flavor exp_flvr_old[2]; /* about-to-expire */
+ time64_t exp_flvr_expire[2]; /* seconds */
+
+ /** protects exp_hp_rpcs */
spinlock_t exp_rpc_lock;
struct list_head exp_hp_rpcs; /* (potential) HP RPCs */
struct list_head exp_reg_rpcs; /* RPC being handled */
return *exp_connect_flags_ptr(exp);
}
+static inline __u64 *exp_connect_flags2_ptr(struct obd_export *exp)
+{
+ return &exp->exp_connect_data.ocd_connect_flags2;
+}
+
+static inline __u64 exp_connect_flags2(struct obd_export *exp)
+{
+ if (exp_connect_flags(exp) & OBD_CONNECT_FLAGS2)
+ return *exp_connect_flags2_ptr(exp);
+ return 0;
+}
+
static inline int exp_max_brw_size(struct obd_export *exp)
{
LASSERT(exp != NULL);
return exp_max_brw_size(exp) > ONE_MB_BRW_SIZE;
}
-static inline int exp_expired(struct obd_export *exp, cfs_duration_t age)
-{
- LASSERT(exp->exp_delayed);
- return cfs_time_before(cfs_time_add(exp->exp_last_request_time, age),
- cfs_time_current_sec());
-}
-
static inline int exp_connect_cancelset(struct obd_export *exp)
{
LASSERT(exp != NULL);
return ocd->ocd_connect_flags & OBD_CONNECT_DISP_STRIPE;
}
+static inline bool imp_connect_shortio(struct obd_import *imp)
+{
+ struct obd_connect_data *ocd = &imp->imp_connect_data;
+
+ return ocd->ocd_connect_flags & OBD_CONNECT_SHORTIO;
+}
+
static inline __u64 exp_connect_ibits(struct obd_export *exp)
{
struct obd_connect_data *ocd;
return ocd->ocd_ibits_known;
}
+static inline int exp_connect_large_acl(struct obd_export *exp)
+{
+ return !!(exp_connect_flags(exp) & OBD_CONNECT_LARGE_ACL);
+}
+
+static inline int exp_connect_lockahead_old(struct obd_export *exp)
+{
+ return !!(exp_connect_flags(exp) & OBD_CONNECT_LOCKAHEAD_OLD);
+}
+
+static inline int exp_connect_lockahead(struct obd_export *exp)
+{
+ return !!(exp_connect_flags2(exp) & OBD_CONNECT2_LOCKAHEAD);
+}
+
+static inline int exp_connect_flr(struct obd_export *exp)
+{
+ return !!(exp_connect_flags2(exp) & OBD_CONNECT2_FLR);
+}
+
extern struct obd_export *class_conn2export(struct lustre_handle *conn);
extern struct obd_device *class_conn2obd(struct lustre_handle *conn);
#define KKUC_CT_DATA_MAGIC 0x092013cea
struct kkuc_ct_data {
__u32 kcd_magic;
- struct obd_uuid kcd_uuid;
__u32 kcd_archive;
};
git://git.whamcloud.com / fs / lustre-release.git / blobdiff