* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, Intel Corporation.
+ * Copyright (c) 2012, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <obd.h>
#include <obd_class.h>
#include <dt_object.h>
+#include <md_object.h>
#include <lustre_fid.h>
+#include <lustre_update.h>
+#include <lu_target.h>
/*
* Infrastructure to support tracking of last committed llog record
cfs_atomic_t otr_refcount;
};
+struct osp_precreate {
+ /*
+ * Precreation pool
+ */
+ spinlock_t osp_pre_lock;
+
+ /* 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 to precreate next time */
+ int osp_pre_grow_count;
+ int osp_pre_min_grow_count;
+ int osp_pre_max_grow_count;
+ /* whether to grow precreation window next time or not */
+ int osp_pre_grow_slow;
+ /* cleaning up orphans or recreating missing objects */
+ int osp_pre_recovering;
+};
+
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;
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
- */
- spinlock_t opd_pre_lock;
-
- /* last fid to assign in creation */
- struct lu_fid opd_pre_used_fid;
- /* last created id OST reported, next-created - available id's */
- struct lu_fid opd_pre_last_created_fid;
- /* 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;
/* 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;
- /* cleaning up orphans or recreating missing objects */
- int opd_pre_recovering;
+ wait_queue_head_t opd_pre_waitq;
/*
* OST synchronization
int opd_syn_prev_done;
/* found records */
struct ptlrpc_thread opd_syn_thread;
- cfs_waitq_t opd_syn_waitq;
+ wait_queue_head_t opd_syn_waitq;
/* list of remotely committed rpc */
cfs_list_t opd_syn_committed_there;
/* number of changes being under sync */
*/
struct obd_statfs opd_statfs;
cfs_time_t opd_statfs_fresh_till;
- cfs_timer_t opd_statfs_timer;
+ struct timer_list opd_statfs_timer;
int opd_statfs_update_in_progress;
/* how often to update statfs data */
int opd_statfs_maxage;
cfs_proc_dir_entry_t *opd_symlink;
+
+ /* 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 dt_update_request *opd_async_requests;
+ /* Protect current operations on opd_async_requests. */
+ struct mutex opd_async_requests_mutex;
+ struct semaphore opd_async_fc_sem;
};
-extern cfs_mem_cache_t *osp_object_kmem;
+#define opd_pre_lock opd_pre->osp_pre_lock
+#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_grow_count opd_pre->osp_pre_grow_count
+#define opd_pre_min_grow_count opd_pre->osp_pre_min_grow_count
+#define opd_pre_max_grow_count opd_pre->osp_pre_max_grow_count
+#define opd_pre_grow_slow opd_pre->osp_pre_grow_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;
+ int oxe_buflen;
+ int oxe_namelen;
+ int oxe_vallen;
+ unsigned int oxe_exist:1,
+ oxe_ready:1;
+ char oxe_buf[0];
+};
+
+struct osp_object_attr {
+ struct lu_attr ooa_attr;
+ struct list_head ooa_xattr_list;
+};
/* 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_new:1,
+ opo_empty:1,
+ opo_non_exist:1;
+
+ /* read/write lock for md osp object */
+ struct rw_semaphore opo_sem;
+ const struct lu_env *opo_owner;
+ struct osp_object_attr *opo_ooa;
+ /* Protect opo_ooa. */
+ spinlock_t opo_lock;
};
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 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;
};
+/* 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_dev != NULL && th->th_dev->dd_ops == &osp_dt_ops;
+}
+
static inline void osp_objid_buf_prep(struct lu_buf *buf, loff_t *off,
__u32 *id, int index)
{
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;
+}
+
#define osp_init_rpc_lock(lck) mdc_init_rpc_lock(lck)
#define osp_get_rpc_lock(lck, it) mdc_get_rpc_lock(lck, it)
#define osp_put_rpc_lock(lck, it) mdc_put_rpc_lock(lck, it)
struct osp_thread_info *info = osp_env_info(env);
struct ost_id *oi = &info->osi_oi;
- fid_ostid_pack(fid, oi);
- return oi->oi_id == IDIF_MAX_OID;
+ fid_to_ostid(fid, oi);
+ return ostid_id(oi) == IDIF_MAX_OID;
} else {
return fid_oid(fid) == LUSTRE_DATA_SEQ_MAX_WIDTH;
}
return imp->imp_connect_data.ocd_connect_flags & OBD_CONNECT_FID;
}
+typedef int (*osp_async_update_interpterer_t)(const struct lu_env *env,
+ struct object_update_reply *reply,
+ 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);
extern struct llog_operations osp_mds_ost_orig_logops;
+/* osp_trans.c */
+struct dt_update_request *
+osp_find_or_create_async_update_request(struct osp_device *osp);
+int osp_insert_async_update(const struct lu_env *env,
+ struct dt_update_request *update, int op,
+ struct osp_object *obj, int count,
+ int *lens, const char **bufs, void *data,
+ osp_async_update_interpterer_t interpterer);
+int osp_unplug_async_update(const struct lu_env *env,
+ struct osp_device *osp,
+ struct dt_update_request *update);
+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);
+
+/* osp_object.c */
+int osp_attr_get(const struct lu_env *env, struct dt_object *dt,
+ struct lu_attr *attr, struct lustre_capa *capa);
+int osp_xattr_get(const struct lu_env *env, struct dt_object *dt,
+ struct lu_buf *buf, const char *name,
+ struct lustre_capa *capa);
+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, struct lustre_capa *capa);
+int osp_declare_object_destroy(const struct lu_env *env,
+ struct dt_object *dt, struct thandle *th);
+int osp_object_destroy(const struct lu_env *env, struct dt_object *dt,
+ struct thandle *th);
+
+int osp_trans_stop(const struct lu_env *env, struct dt_device *dt,
+ struct thandle *th);
+
+/* osp_md_object.c */
+int osp_md_declare_object_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_object_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,
+ struct lustre_capa *capa);
+
/* osp_precreate.c */
int osp_init_precreate(struct osp_device *d);
int osp_precreate_reserve(const struct lu_env *env, 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);
/* lproc_osp.c */
void lprocfs_osp_init_vars(struct lprocfs_static_vars *lvars);
git://git.whamcloud.com / fs / lustre-release.git / blobdiff