* 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/rhashtable.h>
+#include <linux/workqueue.h>
+
#include <lprocfs_status.h>
#include <uapi/linux/lustre/lustre_idl.h>
#include <lustre_dlm.h>
long ted_grant; /* in bytes */
long ted_pending; /* bytes just being written */
__u8 ted_pagebits; /* log2 of client page size */
+
+ /**
+ * File Modification Data (FMD) tracking
+ */
+ spinlock_t ted_fmd_lock; /* protects ted_fmd_list */
+ struct list_head ted_fmd_list; /* FIDs being modified */
+ int ted_fmd_count;/* items in ted_fmd_list */
};
/**
/** Filter (oss-side) specific import data */
struct filter_export_data {
struct tg_export_data fed_ted;
- spinlock_t fed_lock; /**< protects fed_mod_list */
__u64 fed_lastid_gen;
- struct list_head fed_mod_list; /* files being modified */
/* 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;
};
* what export they are talking to.
*/
struct portals_handle exp_handle;
- atomic_t exp_refcount;
/**
* Set of counters below is to track where export references are
* kept. The exp_rpc_count is used for reconnect handling also,
* the cb_count and locks_count are for debug purposes only for now.
- * The sum of them should be less than exp_refcount by 3
+ * The sum of them should be less than exp_handle.href by 3
*/
atomic_t exp_rpc_count; /* RPC references */
atomic_t exp_cb_count; /* Commit callback references */
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*/
- struct hlist_node exp_nid_hash; /** nid-export hash */
+ struct rhash_head exp_uuid_hash; /** uuid-export hash */
+ struct rhlist_head 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
* 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,
+ /* local client with recovery disabled */
+ exp_no_recovery:1,
+ exp_hashed: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 */
/** highest XID received by export client that has no
* unreceived lower-numbered XID
*/
- __u64 exp_last_xid;
+ __u64 exp_last_xid;
+ long *exp_used_slots;
};
#define exp_target_data u.eu_target_data
static inline __u64 exp_connect_flags2(struct obd_export *exp)
{
- return *exp_connect_flags2_ptr(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)
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 !!(exp_connect_flags(exp) & OBD_CONNECT_LARGE_ACL);
}
-static inline int exp_connect_lockahead_old(struct obd_export *exp)
+static inline int exp_connect_lockahead(struct obd_export *exp)
{
- return !!(exp_connect_flags(exp) & OBD_CONNECT_LOCKAHEAD_OLD);
+ return !!(exp_connect_flags2(exp) & OBD_CONNECT2_LOCKAHEAD);
}
-static inline int exp_connect_lockahead(struct obd_export *exp)
+static inline int exp_connect_overstriping(struct obd_export *exp)
{
- return !!(exp_connect_flags2(exp) & OBD_CONNECT2_LOCKAHEAD);
+ return !!(exp_connect_flags2(exp) & OBD_CONNECT2_OVERSTRIPING);
+}
+
+static inline int exp_connect_flr(struct obd_export *exp)
+{
+ return !!(exp_connect_flags2(exp) & OBD_CONNECT2_FLR);
+}
+
+static inline int exp_connect_lock_convert(struct obd_export *exp)
+{
+ return !!(exp_connect_flags2(exp) & OBD_CONNECT2_LOCK_CONVERT);
}
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
+static inline int exp_connect_archive_id_array(struct obd_export *exp)
+{
+ return !!(exp_connect_flags2(exp) & OBD_CONNECT2_ARCHIVE_ID_ARRAY);
+}
+
+static inline int exp_connect_sepol(struct obd_export *exp)
+{
+ return !!(exp_connect_flags2(exp) & OBD_CONNECT2_SELINUX_POLICY);
+}
+
+enum {
+ /* archive_ids in array format */
+ KKUC_CT_DATA_ARRAY_MAGIC = 0x092013cea,
+ /* archive_ids in bitmap format */
+ KKUC_CT_DATA_BITMAP_MAGIC = 0x082018cea,
+};
+
+
struct kkuc_ct_data {
__u32 kcd_magic;
- struct obd_uuid kcd_uuid;
- __u32 kcd_archive;
+ __u32 kcd_nr_archives;
+ __u32 kcd_archives[0];
};
/** @} export */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff