X-Git-Url: https://git.whamcloud.com/?p=fs%2Flustre-release.git;a=blobdiff_plain;f=lustre%2Fosp%2Fosp_internal.h;h=ed3057fc16b0c45772c7eb01ad2530d525b529f2;hp=e75c2468d5db5590d7fd20d639d628405daba24c;hb=82c6e42d6137f39a1f2394b7bc6e8d600eb36181;hpb=04e1d0cb95e1ad1288676c276efd98f6786a58d7 diff --git a/lustre/osp/osp_internal.h b/lustre/osp/osp_internal.h index e75c246..7a4418e 100644 --- a/lustre/osp/osp_internal.h +++ b/lustre/osp/osp_internal.h @@ -15,11 +15,7 @@ * * 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 */ @@ -27,7 +23,7 @@ * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved. * Use is subject to license terms. * - * Copyright (c) 2011, 2012, Intel, Inc. + * Copyright (c) 2012, 2017, Intel Corporation. */ /* * This file is part of Lustre, http://www.lustre.org/ @@ -44,189 +40,404 @@ #include #include #include +#include #include +#include +#include /* * Infrastructure to support tracking of last committed llog record */ struct osp_id_tracker { - cfs_spinlock_t otr_lock; - __u32 otr_next_id; - __u32 otr_committed_id; + spinlock_t otr_lock; + __u64 otr_next_id; + __u64 otr_committed_id; /* callback is register once per diskfs -- that's the whole point */ struct dt_txn_callback otr_tx_cb; /* single node can run many clusters */ - cfs_list_t otr_wakeup_list; - cfs_list_t otr_list; + struct list_head otr_wakeup_list; + struct list_head otr_list; /* underlying shared device */ struct dt_device *otr_dev; /* how many users of this tracker */ - cfs_atomic_t otr_refcount; + atomic_t otr_refcount; +}; + +struct osp_precreate { + /* + * Precreation pool + */ + + /* last fid to assign in creation */ + struct lu_fid osp_pre_used_fid; + /* last created id OST reported, next-created - available id's */ + struct lu_fid osp_pre_last_created_fid; + /* how many ids are reserved in declare, we shouldn't block in create */ + __u64 osp_pre_reserved; + /* consumers (who needs new ids) wait here */ + wait_queue_head_t osp_pre_user_waitq; + /* current precreation status: working, failed, stopping? */ + int osp_pre_status; + /* how many objects to precreate next time */ + int osp_pre_create_count; + int osp_pre_min_create_count; + int osp_pre_max_create_count; + /* whether to increase precreation window next time or not */ + int osp_pre_create_slow; + /* cleaning up orphans or recreating missing objects */ + int osp_pre_recovering; +}; + +struct osp_update_request_sub { + struct object_update_request *ours_req; /* may be vmalloc'd */ + size_t ours_req_size; + /* Linked to osp_update_request->our_req_list */ + struct list_head ours_list; +}; + +struct osp_update_request { + int our_flags; + /* update request result */ + int our_rc; + + /* List of osp_update_request_sub */ + struct list_head our_req_list; + int our_req_nr; + int our_update_nr; + + struct list_head our_cb_items; + struct list_head our_invalidate_cb_list; + + /* points to thandle if this update request belongs to one */ + struct osp_thandle *our_th; + + __u64 our_version; + __u64 our_generation; + /* protect our_list and flag */ + spinlock_t our_list_lock; + /* linked to the list(ou_list) in osp_updates */ + struct list_head our_list; + __u32 our_batchid; + __u32 our_req_ready:1; + +}; + +struct osp_updates { + struct list_head ou_list; + spinlock_t ou_lock; + wait_queue_head_t ou_waitq; + + /* The next rpc version which supposed to be sent in + * osp_send_update_thread().*/ + __u64 ou_rpc_version; + + /* The rpc version assigned to the osp thandle during (osp_md_write()), + * which will be sent by this order. Note: the osp_thandle has be sent + * by this order to make sure the remote update log will follow the + * llog format rule. XXX: these probably should be removed once we + * invent new llog format */ + __u64 ou_version; + + /* The generation of current osp update RPC, which is used to make sure + * those stale RPC(with older generation) will not be sent, otherwise it + * will cause update lllog corruption */ + __u64 ou_generation; + + /* dedicate update thread */ + struct task_struct *ou_update_task; + struct lu_env ou_env; +}; + +struct osp_rpc_lock { + /** Lock protecting in-flight RPC concurrency. */ + struct mutex rpcl_mutex; + /** Used for MDS/RPC load testing purposes. */ + unsigned int rpcl_fakes; }; struct osp_device { struct dt_device opd_dt_dev; /* corresponded OST index */ int opd_index; + + /* corrsponded MDT index, which will be used when connecting to OST + * for validating the connection (see ofd_parse_connect_data) */ + int opd_group; /* device used to store persistent state (llogs, last ids) */ struct obd_export *opd_storage_exp; struct dt_device *opd_storage; - struct dt_object *opd_last_used_file; + struct dt_object *opd_last_used_oid_file; + struct dt_object *opd_last_used_seq_file; /* stored persistently in LE format, updated directly to/from disk * and required le64_to_cpu() conversion before use. * Protected by opd_pre_lock */ - volatile obd_id opd_last_used_id; - - obd_id opd_gap_start; + struct lu_fid opd_last_used_fid; + /* on disk copy last_used_fid.f_oid or idif */ + u64 opd_last_id; + struct lu_fid opd_gap_start_fid; int opd_gap_count; /* connection to OST */ + struct osp_rpc_lock opd_rpc_lock; struct obd_device *opd_obd; struct obd_export *opd_exp; - struct obd_uuid opd_cluuid; struct obd_connect_data *opd_connect_data; int opd_connects; - cfs_proc_dir_entry_t *opd_proc_entry; - struct lprocfs_stats *opd_stats; /* connection status. */ - int opd_new_connection; - int opd_got_disconnected; - int opd_imp_connected; - int opd_imp_active; - int opd_imp_seen_connected:1; + unsigned int opd_new_connection:1, + opd_got_disconnected:1, + opd_imp_connected:1, + opd_imp_active:1, + opd_imp_seen_connected:1, + opd_connect_mdt:1; /* whether local recovery is completed: * reported via ->ldo_recovery_complete() */ int opd_recovery_completed; - /* - * Precreation pool - */ - cfs_spinlock_t opd_pre_lock; - /* last id assigned in creation */ - __u64 opd_pre_used_id; - /* last created id OST reported, next-created - available id's */ - __u64 opd_pre_last_created; - /* how many ids are reserved in declare, we shouldn't block in create */ - __u64 opd_pre_reserved; + /* precreate structure for OSP */ + struct osp_precreate *opd_pre; /* dedicate precreate thread */ - struct ptlrpc_thread opd_pre_thread; + struct task_struct *opd_pre_task; + spinlock_t opd_pre_lock; /* thread waits for signals about pool going empty */ - cfs_waitq_t opd_pre_waitq; - /* consumers (who needs new ids) wait here */ - cfs_waitq_t opd_pre_user_waitq; - /* current precreation status: working, failed, stopping? */ - int opd_pre_status; - /* how many to precreate next time */ - int opd_pre_grow_count; - int opd_pre_min_grow_count; - int opd_pre_max_grow_count; - /* whether to grow precreation window next time or not */ - int opd_pre_grow_slow; + wait_queue_head_t opd_pre_waitq; + + /* send update thread */ + struct osp_updates *opd_update; /* - * OST synchronization + * OST synchronization thread */ - cfs_spinlock_t opd_syn_lock; + spinlock_t opd_sync_lock; /* unique generation, to recognize start of new records in the llog */ - struct llog_gen opd_syn_generation; + struct llog_gen opd_sync_generation; /* number of changes to sync, used to wake up sync thread */ - unsigned long opd_syn_changes; + atomic_t opd_sync_changes; /* processing of changes from previous mount is done? */ - int opd_syn_prev_done; + int opd_sync_prev_done; /* found records */ - struct ptlrpc_thread opd_syn_thread; - cfs_waitq_t opd_syn_waitq; + struct task_struct *opd_sync_task; + wait_queue_head_t opd_sync_waitq; + /* list of in flight rpcs */ + struct list_head opd_sync_in_flight_list; /* list of remotely committed rpc */ - cfs_list_t opd_syn_committed_there; - /* number of changes being under sync */ - int opd_syn_sync_in_progress; + struct list_head opd_sync_committed_there; /* number of RPCs in flight - flow control */ - int opd_syn_rpc_in_flight; - int opd_syn_max_rpc_in_flight; + atomic_t opd_sync_rpcs_in_flight; + int opd_sync_max_rpcs_in_flight; /* number of RPC in processing (including non-committed by OST) */ - int opd_syn_rpc_in_progress; - int opd_syn_max_rpc_in_progress; + atomic_t opd_sync_rpcs_in_progress; + int opd_sync_max_rpcs_in_progress; /* osd api's commit cb control structure */ - struct dt_txn_callback opd_syn_txn_cb; + struct dt_txn_callback opd_sync_txn_cb; /* last used change number -- semantically similar to transno */ - unsigned long opd_syn_last_used_id; + unsigned long opd_sync_last_used_id; /* last committed change number -- semantically similar to * last_committed */ - unsigned long opd_syn_last_committed_id; - /* last processed (taken from llog) id */ - unsigned long opd_syn_last_processed_id; - struct osp_id_tracker *opd_syn_tracker; - cfs_list_t opd_syn_ontrack; + __u64 opd_sync_last_committed_id; + /* last processed catalog index */ + int opd_sync_last_catalog_idx; + /* number of processed records */ + atomic64_t opd_sync_processed_recs; + /* stop processing new requests until barrier=0 */ + atomic_t opd_sync_barrier; + wait_queue_head_t opd_sync_barrier_waitq; + /* last generated id */ + ktime_t opd_sync_next_commit_cb; + atomic_t opd_commits_registered; /* * statfs related fields: OSP maintains it on its own */ struct obd_statfs opd_statfs; - cfs_time_t opd_statfs_fresh_till; - cfs_timer_t opd_statfs_timer; + ktime_t opd_statfs_fresh_till; + struct timer_list opd_statfs_timer; int opd_statfs_update_in_progress; /* how often to update statfs data */ - int opd_statfs_maxage; + time64_t opd_statfs_maxage; + + struct dentry *opd_debugfs; + + /* If the caller wants to do some idempotent async operations on + * remote server, it can append the async remote requests on the + * osp_device::opd_async_requests via declare() functions, these + * requests can be packed together and sent to the remote server + * via single OUT RPC later. */ + struct osp_update_request *opd_async_requests; + /* Protect current operations on opd_async_requests. */ + struct mutex opd_async_requests_mutex; + struct list_head opd_async_updates; + struct rw_semaphore opd_async_updates_rwsem; + atomic_t opd_async_updates_count; - cfs_proc_dir_entry_t *opd_symlink; + /* + * Limit the object allocation using ENOSPC for opd_pre_status + */ + int opd_reserved_mb_high; + int opd_reserved_mb_low; }; -extern cfs_mem_cache_t *osp_object_kmem; +#define opd_pre_used_fid opd_pre->osp_pre_used_fid +#define opd_pre_last_created_fid opd_pre->osp_pre_last_created_fid +#define opd_pre_reserved opd_pre->osp_pre_reserved +#define opd_pre_user_waitq opd_pre->osp_pre_user_waitq +#define opd_pre_status opd_pre->osp_pre_status +#define opd_pre_create_count opd_pre->osp_pre_create_count +#define opd_pre_min_create_count opd_pre->osp_pre_min_create_count +#define opd_pre_max_create_count opd_pre->osp_pre_max_create_count +#define opd_pre_create_slow opd_pre->osp_pre_create_slow +#define opd_pre_recovering opd_pre->osp_pre_recovering + +extern struct kmem_cache *osp_object_kmem; + +/* The first part of oxe_buf is xattr name, and is '\0' terminated. + * The left part is for value, binary mode. */ +struct osp_xattr_entry { + struct list_head oxe_list; + atomic_t oxe_ref; + void *oxe_value; + size_t oxe_buflen; + size_t oxe_namelen; + size_t oxe_vallen; + unsigned int oxe_exist:1, + oxe_ready:1; + char oxe_buf[0]; +}; /* this is a top object */ struct osp_object { - struct lu_object_header opo_header; - struct dt_object opo_obj; - int opo_reserved:1, - opo_new:1; + struct lu_object_header opo_header; + struct dt_object opo_obj; + unsigned int opo_reserved:1, + opo_non_exist:1, + opo_stale:1; + + /* read/write lock for md osp object */ + struct rw_semaphore opo_sem; + const struct lu_env *opo_owner; + struct lu_attr opo_attr; + struct list_head opo_xattr_list; + struct list_head opo_invalidate_cb_list; + /* Protect opo_ooa. */ + spinlock_t opo_lock; + /* to implement in-flight invalidation */ + atomic_t opo_invalidate_seq; + struct rw_semaphore opo_invalidate_sem; }; extern struct lu_object_operations osp_lu_obj_ops; extern const struct dt_device_operations osp_dt_ops; +extern struct dt_object_operations osp_md_obj_ops; +extern struct dt_body_operations osp_md_body_ops; struct osp_thread_info { struct lu_buf osi_lb; + struct lu_buf osi_lb2; struct lu_fid osi_fid; struct lu_attr osi_attr; struct ost_id osi_oi; - obd_id osi_id; + struct ost_id osi_oi2; loff_t osi_off; union { struct llog_rec_hdr osi_hdr; struct llog_unlink64_rec osi_unlink; - struct llog_setattr64_rec osi_setattr; + struct llog_setattr64_rec_v2 osi_setattr; struct llog_gen_rec osi_gen; }; struct llog_cookie osi_cookie; struct llog_catid osi_cid; + struct lu_seq_range osi_seq; + struct ldlm_res_id osi_resid; + struct obdo osi_obdo; +}; + +/* Iterator for OSP */ +struct osp_it { + __u32 ooi_pos_page; + __u32 ooi_pos_lu_page; + __u32 ooi_attr; + __u32 ooi_rec_size; + int ooi_pos_ent; + int ooi_total_npages; + int ooi_valid_npages; + unsigned int ooi_swab:1; + __u64 ooi_next; + struct dt_object *ooi_obj; + void *ooi_ent; + struct page *ooi_cur_page; + struct lu_idxpage *ooi_cur_idxpage; + struct page **ooi_pages; }; -static inline void osp_objid_buf_prep(struct osp_thread_info *osi, - struct osp_device *d, int index) +#define OSP_THANDLE_MAGIC 0x20141214 +struct osp_thandle { + struct thandle ot_super; + + /* OSP will use this thandle to update last oid*/ + struct thandle *ot_storage_th; + __u32 ot_magic; + struct list_head ot_commit_dcb_list; + struct list_head ot_stop_dcb_list; + struct osp_update_request *ot_our; + atomic_t ot_refcount; +}; + +static inline struct osp_thandle * +thandle_to_osp_thandle(struct thandle *th) +{ + return container_of(th, struct osp_thandle, ot_super); +} + +static inline struct osp_update_request * +thandle_to_osp_update_request(struct thandle *th) +{ + struct osp_thandle *oth; + + oth = thandle_to_osp_thandle(th); + return oth->ot_our; +} + +/* The transaction only include the updates on the remote node, and + * no local updates at all */ +static inline bool is_only_remote_trans(struct thandle *th) +{ + return th->th_top == NULL; +} + +static inline void osp_objid_buf_prep(struct lu_buf *buf, loff_t *off, + __u64 *id, int index) { - osi->osi_lb.lb_buf = (void *)&d->opd_last_used_id; - osi->osi_lb.lb_len = sizeof(d->opd_last_used_id); - osi->osi_off = sizeof(d->opd_last_used_id) * index; + /* Note: through id is only 32 bits, it will also write 64 bits + * for oid to keep compatibility with the previous version. */ + buf->lb_buf = (void *)id; + buf->lb_len = sizeof(u64); + *off = sizeof(u64) * index; +} + +static inline void osp_objseq_buf_prep(struct lu_buf *buf, loff_t *off, + __u64 *seq, int index) +{ + buf->lb_buf = (void *)seq; + buf->lb_len = sizeof(u64); + *off = sizeof(u64) * index; +} + +static inline void osp_buf_prep(struct lu_buf *lb, void *buf, int buf_len) +{ + lb->lb_buf = buf; + lb->lb_len = buf_len; } extern struct lu_context_key osp_thread_key; static inline struct osp_thread_info *osp_env_info(const struct lu_env *env) { - struct osp_thread_info *info; - - info = lu_context_key_get(&env->le_ctx, &osp_thread_key); - if (info == NULL) { - lu_env_refill((struct lu_env *)env); - info = lu_context_key_get(&env->le_ctx, &osp_thread_key); - } - LASSERT(info); - return info; + return lu_env_info(env, &osp_thread_key); } struct osp_txn_info { - __u32 oti_current_id; + __u64 oti_current_id; }; extern struct lu_context_key osp_txn_key; @@ -249,7 +460,7 @@ static inline int lu_device_is_osp(struct lu_device *d) static inline struct osp_device *lu2osp_dev(struct lu_device *d) { LASSERT(lu_device_is_osp(d)); - return container_of0(d, struct osp_device, opd_dt_dev.dd_lu_dev); + return container_of_safe(d, struct osp_device, opd_dt_dev.dd_lu_dev); } static inline struct lu_device *osp2lu_dev(struct osp_device *d) @@ -260,13 +471,13 @@ static inline struct lu_device *osp2lu_dev(struct osp_device *d) static inline struct osp_device *dt2osp_dev(struct dt_device *d) { LASSERT(lu_device_is_osp(&d->dd_lu_dev)); - return container_of0(d, struct osp_device, opd_dt_dev); + return container_of_safe(d, struct osp_device, opd_dt_dev); } static inline struct osp_object *lu2osp_obj(struct lu_object *o) { LASSERT(ergo(o != NULL, lu_device_is_osp(o->lo_dev))); - return container_of0(o, struct osp_object, opo_obj.do_lu); + return container_of_safe(o, struct osp_object, opo_obj.do_lu); } static inline struct lu_object *osp2lu_obj(struct osp_object *obj) @@ -277,7 +488,7 @@ static inline struct lu_object *osp2lu_obj(struct osp_object *obj) static inline struct osp_object *osp_obj(const struct lu_object *o) { LASSERT(lu_device_is_osp(o->lo_dev)); - return container_of0(o, struct osp_object, opo_obj.do_lu); + return container_of_safe(o, struct osp_object, opo_obj.do_lu); } static inline struct osp_object *dt2osp_obj(const struct dt_object *d) @@ -287,39 +498,412 @@ static inline struct osp_object *dt2osp_obj(const struct dt_object *d) static inline struct dt_object *osp_object_child(struct osp_object *o) { - return container_of0(lu_object_next(osp2lu_obj(o)), - struct dt_object, do_lu); + return container_of(lu_object_next(osp2lu_obj(o)), + struct dt_object, do_lu); +} + +static inline struct seq_server_site *osp_seq_site(struct osp_device *osp) +{ + return osp->opd_dt_dev.dd_lu_dev.ld_site->ld_seq_site; +} + +/** + * Serializes in-flight MDT-modifying RPC requests to preserve idempotency. + * + * This mutex is used to implement execute-once semantics on the MDT. + * The MDT stores the last transaction ID and result for every client in + * its last_rcvd file. If the client doesn't get a reply, it can safely + * resend the request and the MDT will reconstruct the reply being aware + * that the request has already been executed. Without this lock, + * execution status of concurrent in-flight requests would be + * overwritten. + * + * This imlpementation limits the extent to which we can keep a full pipeline + * of in-flight requests from a single client. This limitation can be + * overcome by allowing multiple slots per client in the last_rcvd file, + * see LU-6864. + */ +#define OSP_FAKE_RPCL_IT ((void *)0x2c0012bfUL) + +static inline void osp_init_rpc_lock(struct osp_device *osp) +{ + struct osp_rpc_lock *lck = &osp->opd_rpc_lock; + + mutex_init(&lck->rpcl_mutex); + lck->rpcl_fakes = 0; +} + +static inline void osp_get_rpc_lock(struct osp_device *osp) +{ + struct osp_rpc_lock *lck = &osp->opd_rpc_lock; + + /* This would normally block until the existing request finishes. + * If fail_loc is set it will block until the regular request is + * done, then increment rpcl_fakes. Once that is non-zero it + * will only be cleared when all fake requests are finished. + * Only when all fake requests are finished can normal requests + * be sent, to ensure they are recoverable again. + */ + again: + mutex_lock(&lck->rpcl_mutex); + + if (CFS_FAIL_CHECK_QUIET(OBD_FAIL_MDC_RPCS_SEM) || + CFS_FAIL_CHECK_QUIET(OBD_FAIL_OSP_RPCS_SEM)) { + lck->rpcl_fakes++; + mutex_unlock(&lck->rpcl_mutex); + + return; + } + + /* This will only happen when the CFS_FAIL_CHECK() was just turned + * off but there are still requests in progress. Wait until they + * finish. It doesn't need to be efficient in this extremely rare + * case, just have low overhead in the common case when it isn't true. + */ + if (unlikely(lck->rpcl_fakes)) { + mutex_unlock(&lck->rpcl_mutex); + schedule_timeout_uninterruptible(cfs_time_seconds(1) / 4); + + goto again; + } +} + +static inline void osp_put_rpc_lock(struct osp_device *osp) +{ + struct osp_rpc_lock *lck = &osp->opd_rpc_lock; + + if (lck->rpcl_fakes) { /* OBD_FAIL_OSP_RPCS_SEM */ + mutex_lock(&lck->rpcl_mutex); + + if (lck->rpcl_fakes) /* check again under lock */ + lck->rpcl_fakes--; + } + + mutex_unlock(&lck->rpcl_mutex); } +static inline int osp_fid_diff(const struct lu_fid *fid1, + const struct lu_fid *fid2) +{ + /* In 2.6+ ost_idx is packed into IDIF FID, while in 2.4 and 2.5 IDIF + * is always FID_SEQ_IDIF(0x100000000ULL), which does not include OST + * index in the seq. So we can not compare IDIF FID seq here */ + if (fid_is_idif(fid1) && fid_is_idif(fid2)) { + __u32 ost_idx1 = fid_idif_ost_idx(fid1); + __u32 ost_idx2 = fid_idif_ost_idx(fid2); + + LASSERTF(ost_idx1 == 0 || ost_idx2 == 0 || ost_idx1 == ost_idx2, + "fid1: "DFID", fid2: "DFID"\n", PFID(fid1), + PFID(fid2)); + + return fid_idif_id(fid1->f_seq, fid1->f_oid, 0) - + fid_idif_id(fid2->f_seq, fid2->f_oid, 0); + } + + LASSERTF(fid_seq(fid1) == fid_seq(fid2), "fid1:"DFID", fid2:"DFID"\n", + PFID(fid1), PFID(fid2)); + + return fid_oid(fid1) - fid_oid(fid2); +} + +static inline void osp_fid_to_obdid(struct lu_fid *last_fid, u64 *osi_id) +{ + if (fid_is_idif((last_fid))) + *osi_id = fid_idif_id(fid_seq(last_fid), fid_oid(last_fid), + fid_ver(last_fid)); + else + *osi_id = fid_oid(last_fid); +} + +static inline void osp_update_last_fid(struct osp_device *d, struct lu_fid *fid) +{ + int diff = osp_fid_diff(fid, &d->opd_last_used_fid); + struct lu_fid *gap_start = &d->opd_gap_start_fid; + + /* + * we might have lost precreated objects due to VBR and precreate + * orphans, the gap in objid can be calculated properly only here + */ + if (diff > 0) { + if (diff > 1) { + d->opd_gap_start_fid = d->opd_last_used_fid; + if (fid_oid(gap_start) == LUSTRE_DATA_SEQ_MAX_WIDTH) { + gap_start->f_seq++; + gap_start->f_oid = fid_is_idif(gap_start) ? + 0 : 1; + } else { + gap_start->f_oid++; + } + d->opd_gap_count = diff - 1; + CDEBUG(D_HA, "Gap in objids: start="DFID", count =%d\n", + PFID(&d->opd_gap_start_fid), d->opd_gap_count); + } + d->opd_last_used_fid = *fid; + osp_fid_to_obdid(fid, &d->opd_last_id); + } +} + +static int osp_fid_end_seq(const struct lu_env *env, struct lu_fid *fid) +{ + if (fid_is_idif(fid)) { + struct osp_thread_info *info = osp_env_info(env); + struct ost_id *oi = &info->osi_oi; + + fid_to_ostid(fid, oi); + return ostid_id(oi) == IDIF_MAX_OID; + } else { + return fid_oid(fid) == LUSTRE_DATA_SEQ_MAX_WIDTH; + } +} + +static inline int osp_precreate_end_seq_nolock(const struct lu_env *env, + struct osp_device *osp) +{ + struct lu_fid *fid = &osp->opd_pre_last_created_fid; + + return osp_fid_end_seq(env, fid); +} + +static inline int osp_precreate_end_seq(const struct lu_env *env, + struct osp_device *osp) +{ + int rc; + + spin_lock(&osp->opd_pre_lock); + rc = osp_precreate_end_seq_nolock(env, osp); + spin_unlock(&osp->opd_pre_lock); + return rc; +} + +static inline int osp_is_fid_client(struct osp_device *osp) +{ + struct obd_import *imp = osp->opd_obd->u.cli.cl_import; + + return imp->imp_connect_data.ocd_connect_flags & OBD_CONNECT_FID; +} + +struct object_update * +update_buffer_get_update(struct object_update_request *request, + unsigned int index); + +int osp_extend_update_buffer(const struct lu_env *env, + struct osp_update_request *our); + +struct osp_update_request_sub * +osp_current_object_update_request(struct osp_update_request *our); + +int osp_object_update_request_create(struct osp_update_request *our, + size_t size); + +#define OSP_UPDATE_RPC_PACK(env, out_something_pack, our, ...) \ +({ \ + struct object_update *object_update; \ + size_t max_update_length; \ + struct osp_update_request_sub *ours; \ + int ret; \ + \ + while (1) { \ + ours = osp_current_object_update_request(our); \ + LASSERT(ours != NULL); \ + max_update_length = ours->ours_req_size - \ + object_update_request_size(ours->ours_req); \ + \ + object_update = update_buffer_get_update(ours->ours_req,\ + ours->ours_req->ourq_count); \ + ret = out_something_pack(env, object_update, \ + &max_update_length, \ + __VA_ARGS__); \ + if (ret == -E2BIG) { \ + int rc1; \ + /* Create new object update request */ \ + rc1 = osp_object_update_request_create(our, \ + max_update_length + \ + offsetof(struct object_update_request, \ + ourq_updates[0]) + 1); \ + if (rc1 != 0) { \ + ret = rc1; \ + break; \ + } \ + continue; \ + } else { \ + if (ret == 0) { \ + ours->ours_req->ourq_count++; \ + (our)->our_update_nr++; \ + object_update->ou_batchid = \ + (our)->our_batchid;\ + object_update->ou_flags |= \ + (our)->our_flags; \ + } \ + break; \ + } \ + } \ + ret; \ +}) + +typedef int (*osp_update_interpreter_t)(const struct lu_env *env, + struct object_update_reply *rep, + struct ptlrpc_request *req, + struct osp_object *obj, + void *data, int index, int rc); + /* osp_dev.c */ -void osp_update_last_id(struct osp_device *d, obd_id objid); +void osp_update_last_id(struct osp_device *d, u64 objid); + +/* osp_trans.c */ +int osp_insert_async_request(const struct lu_env *env, enum update_type op, + struct osp_object *obj, int count, __u16 *lens, + const void **bufs, void *data, __u32 repsize, + osp_update_interpreter_t interpreter); + +int osp_unplug_async_request(const struct lu_env *env, + struct osp_device *osp, + struct osp_update_request *update); +int osp_trans_update_request_create(struct thandle *th); +struct thandle *osp_trans_create(const struct lu_env *env, + struct dt_device *d); +int osp_trans_start(const struct lu_env *env, struct dt_device *dt, + struct thandle *th); +int osp_insert_update_callback(const struct lu_env *env, + struct osp_update_request *update, + struct osp_object *obj, void *data, + osp_update_interpreter_t interpreter); + +struct osp_update_request *osp_update_request_create(struct dt_device *dt); +void osp_update_request_destroy(const struct lu_env *env, + struct osp_update_request *update); + +int osp_send_update_thread(void *arg); +int osp_check_and_set_rpc_version(struct osp_thandle *oth, + struct osp_object *obj); + +void osp_thandle_destroy(const struct lu_env *env, struct osp_thandle *oth); +static inline void osp_thandle_get(struct osp_thandle *oth) +{ + atomic_inc(&oth->ot_refcount); +} + +static inline void osp_thandle_put(const struct lu_env *env, + struct osp_thandle *oth) +{ + if (atomic_dec_and_test(&oth->ot_refcount)) + osp_thandle_destroy(env, oth); +} + +int osp_prep_update_req(const struct lu_env *env, struct obd_import *imp, + struct osp_update_request *our, + struct ptlrpc_request **reqp); +int osp_remote_sync(const struct lu_env *env, struct osp_device *osp, + struct osp_update_request *update, + struct ptlrpc_request **reqp); + +struct thandle *osp_get_storage_thandle(const struct lu_env *env, + struct thandle *th, + struct osp_device *osp); +void osp_trans_callback(const struct lu_env *env, + struct osp_thandle *oth, int rc); +void osp_invalidate_request(struct osp_device *osp); +/* osp_object.c */ +int osp_attr_get(const struct lu_env *env, struct dt_object *dt, + struct lu_attr *attr); +int osp_xattr_get(const struct lu_env *env, struct dt_object *dt, + struct lu_buf *buf, const char *name); +int osp_declare_xattr_set(const struct lu_env *env, struct dt_object *dt, + const struct lu_buf *buf, const char *name, + int flag, struct thandle *th); +int osp_xattr_set(const struct lu_env *env, struct dt_object *dt, + const struct lu_buf *buf, const char *name, int fl, + struct thandle *th); +int osp_declare_xattr_del(const struct lu_env *env, struct dt_object *dt, + const char *name, struct thandle *th); +int osp_xattr_del(const struct lu_env *env, struct dt_object *dt, + const char *name, struct thandle *th); +int osp_invalidate(const struct lu_env *env, struct dt_object *dt); +bool osp_check_stale(struct dt_object *dt); +void osp_obj_invalidate_cache(struct osp_object *obj); + +int osp_trans_stop(const struct lu_env *env, struct dt_device *dt, + struct thandle *th); +int osp_trans_cb_add(struct thandle *th, struct dt_txn_commit_cb *dcb); + +struct dt_it *osp_it_init(const struct lu_env *env, struct dt_object *dt, + __u32 attr); +void osp_it_fini(const struct lu_env *env, struct dt_it *di); +int osp_it_get(const struct lu_env *env, struct dt_it *di, + const struct dt_key *key); +void osp_it_put(const struct lu_env *env, struct dt_it *di); +__u64 osp_it_store(const struct lu_env *env, const struct dt_it *di); +int osp_it_key_rec(const struct lu_env *env, const struct dt_it *di, + void *key_rec); +int osp_it_next_page(const struct lu_env *env, struct dt_it *di); +/* osp_md_object.c */ +int osp_md_declare_create(const struct lu_env *env, struct dt_object *dt, + struct lu_attr *attr, struct dt_allocation_hint *hint, + struct dt_object_format *dof, struct thandle *th); +int osp_md_create(const struct lu_env *env, struct dt_object *dt, + struct lu_attr *attr, struct dt_allocation_hint *hint, + struct dt_object_format *dof, struct thandle *th); +int osp_md_declare_attr_set(const struct lu_env *env, struct dt_object *dt, + const struct lu_attr *attr, struct thandle *th); +int osp_md_attr_set(const struct lu_env *env, struct dt_object *dt, + const struct lu_attr *attr, struct thandle *th); +extern const struct dt_index_operations osp_md_index_ops; /* osp_precreate.c */ int osp_init_precreate(struct osp_device *d); int osp_precreate_reserve(const struct lu_env *env, struct osp_device *d); __u64 osp_precreate_get_id(struct osp_device *d); +int osp_precreate_get_fid(const struct lu_env *env, struct osp_device *d, + struct lu_fid *fid); void osp_precreate_fini(struct osp_device *d); int osp_object_truncate(const struct lu_env *env, struct dt_object *dt, __u64); void osp_pre_update_status(struct osp_device *d, int rc); void osp_statfs_need_now(struct osp_device *d); +int osp_reset_last_used(const struct lu_env *env, struct osp_device *osp); +int osp_write_last_oid_seq_files(struct lu_env *env, struct osp_device *osp, + struct lu_fid *fid, int sync); +int osp_init_pre_fid(struct osp_device *osp); +int osp_init_statfs(struct osp_device *osp); +void osp_fini_statfs(struct osp_device *osp); +void osp_statfs_fini(struct osp_device *d); /* lproc_osp.c */ -void lprocfs_osp_init_vars(struct lprocfs_static_vars *lvars); +void osp_tunables_init(struct osp_device *osp); +void osp_tunables_fini(struct osp_device *osp); /* osp_sync.c */ int osp_sync_declare_add(const struct lu_env *env, struct osp_object *o, - llog_op_type type, struct thandle *th); + enum llog_op_type type, struct thandle *th); int osp_sync_add(const struct lu_env *env, struct osp_object *o, - llog_op_type type, struct thandle *th, + enum llog_op_type type, struct thandle *th, const struct lu_attr *attr); int osp_sync_init(const struct lu_env *env, struct osp_device *d); int osp_sync_fini(struct osp_device *d); -void __osp_sync_check_for_work(struct osp_device *d); +void osp_sync_check_for_work(struct osp_device *osp); +void osp_sync_force(const struct lu_env *env, struct osp_device *d); +int osp_sync_add_commit_cb_1s(const struct lu_env *env, struct osp_device *d, + struct thandle *th); + +/* lwp_dev.c */ +extern const struct obd_ops lwp_obd_device_ops; +extern struct lu_device_type lwp_device_type; + +static inline struct lu_device *osp2top(const struct osp_device *osp) +{ + return osp->opd_dt_dev.dd_lu_dev.ld_site->ls_top_dev; +} -/* osp_ost.c */ -int osp_init_for_ost(const struct lu_env *env, struct osp_device *m, - struct lu_device_type *ldt, struct lustre_cfg *cfg); -int osp_disconnect(struct osp_device *d); -int osp_fini_for_ost(struct osp_device *osp); +static inline void osp_set_req_replay(const struct osp_device *osp, + struct ptlrpc_request *req) +{ + struct obd_device *obd = osp2top(osp)->ld_obd; + + /* The RPC must be recovery related for the cases: + * + * 1. sent during recovery, or + * 2. sent before the recovery thread target_recovery_thread() start, + * such as triggered by lod_sub_recovery_thread(). */ + if (obd->obd_recovering || (obd->obd_replayable && obd->obd_no_conn)) + req->rq_allow_replay = 1; +} #endif