*
* 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.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2014, Intel Corporation.
+ * Copyright (c) 2011, 2016, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Target-specific export data
*/
struct tg_export_data {
- /** Protects led_lcd below */
+ /** Protects ted_lcd, ted_reply_* and
+ * ted_release_* fields below */
struct mutex ted_lcd_lock;
/** Per-client data for each export */
struct lsd_client_data *ted_lcd;
/** Client index in last_rcvd file */
int ted_lr_idx;
- /** nodemap this export is a member of */
+ /**
+ * ted_nodemap_lock is used to ensure that the nodemap is not destroyed
+ * between the time that ted_nodemap is checked for NULL, and a
+ * reference is taken. Modifications to ted_nodemap require that the
+ * active_config_lock and the nodemap(s)'s nm_member_list_lock be
+ * taken, as well as ted_nodemap_lock, so the export can be properly
+ * added to or removed from the nodemap's member list. When an export
+ * is added to a nodemap, a reference on that nodemap must be taken.
+ * That reference can be put only after ted_nodemap no longer refers to
+ * it.
+ */
+ spinlock_t ted_nodemap_lock;
struct lu_nodemap *ted_nodemap;
- struct hlist_node ted_nodemap_member;
+ struct list_head ted_nodemap_member;
+
+ /** last version of nodemap config sent to client */
+ __u64 ted_nodemap_version;
+
+ /* Every reply data fields below are
+ * protected by ted_lcd_lock */
+ /** List of reply data */
+ struct list_head ted_reply_list;
+ int ted_reply_cnt;
+ /** Reply data with highest transno is retained */
+ struct tg_reply_data *ted_reply_last;
+ /* Statistics */
+ int ted_reply_max; /* high water mark */
+ int ted_release_xid;
+ int ted_release_tag;
+ /* grants */
+ long ted_dirty; /* in bytes */
+ long ted_grant; /* in bytes */
+ long ted_pending; /* bytes just being written */
+ __u8 ted_pagebits; /* log2 of client page size */
};
/**
/** List of all files opened by client on this MDT */
struct list_head med_open_head;
spinlock_t med_open_lock; /* med_open_head, mfd_list */
- struct mutex med_idmap_mutex;
- struct lustre_idmap_table *med_idmap;
};
struct ec_export_data { /* echo client */
struct tg_export_data fed_ted;
spinlock_t fed_lock; /**< protects fed_mod_list */
__u64 fed_lastid_gen;
- long fed_dirty; /* in bytes */
- long fed_grant; /* in bytes */
struct list_head fed_mod_list; /* files being modified */
- long fed_pending; /* bytes just being written */
/* count of SOFT_SYNC RPCs, which will be reset after
* ofd_soft_sync_limit number of RPCs, and trigger a sync. */
atomic_t fed_soft_sync_count;
int fed_mod_count;/* items in fed_writing list */
__u32 fed_group;
- __u8 fed_pagesize; /* log2 of client page size */
};
struct mgs_export_data {
enum obd_option {
OBD_OPT_FORCE = 0x0001,
- OBD_OPT_FAILOVER = 0x0002,
OBD_OPT_ABORT_RECOV = 0x0004,
};
struct obd_uuid exp_client_uuid;
/** To link all exports on an obd device */
struct list_head exp_obd_chain;
+ /* Unlinked export list */
+ struct list_head exp_stale_list;
struct hlist_node exp_uuid_hash; /** uuid-export hash*/
struct hlist_node exp_nid_hash; /** nid-export hash */
+ struct hlist_node exp_gen_hash; /** last_rcvd clt gen hash */
/**
* All exports eligible for ping evictor are linked into a list
* through this field in "most time since last request on this export"
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;
+ 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 */
- cfs_time_t exp_flvr_expire[2]; /* seconds */
+ time64_t exp_flvr_expire[2]; /* seconds */
/** protects exp_hp_rpcs */
spinlock_t exp_rpc_lock;
} u;
struct adaptive_timeout exp_bl_lock_at;
+
+ /** highest XID received by export client that has no
+ * unreceived lower-numbered XID
+ */
+ __u64 exp_last_xid;
};
#define exp_target_data u.eu_target_data
return !!(exp_connect_flags(exp) & OBD_CONNECT_LRU_RESIZE);
}
-static inline int exp_connect_rmtclient(struct obd_export *exp)
-{
- LASSERT(exp != NULL);
- return !!(exp_connect_flags(exp) & OBD_CONNECT_RMT_CLIENT);
-}
-
-static inline int client_is_remote(struct obd_export *exp)
-{
- struct obd_import *imp = class_exp2cliimp(exp);
-
- return !!(imp->imp_connect_data.ocd_connect_flags &
- OBD_CONNECT_RMT_CLIENT);
-}
-
static inline int exp_connect_vbr(struct obd_export *exp)
{
LASSERT(exp != NULL);
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);
+}
+
extern struct obd_export *class_conn2export(struct lustre_handle *conn);
extern struct obd_device *class_conn2obd(struct lustre_handle *conn);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff