* Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2013, Intel Corporation.
+ * Copyright (c) 2012, 2014, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <lustre_fid.h>
#include <lustre_update.h>
#include <lu_target.h>
+#include <lustre_mdc.h>
/*
* Infrastructure to support tracking of last committed llog record
int osp_pre_recovering;
};
+struct osp_update_request_sub {
+ struct object_update_request *ours_req;
+ size_t ours_req_size;
+ /* Linked to osp_update_request->our_req_list */
+ struct list_head ours_list;
+};
+
+/**
+ * Tracking the updates being executed on this dt_device.
+ */
+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;
+
+ struct list_head our_cb_items;
+
+ /* points to thandle if this update request belongs to one */
+ struct osp_thandle *our_th;
+ /* linked to the list(ou_list) in osp_updates */
+ struct list_head our_list;
+ __u32 our_req_sent:1;
+};
+
+struct osp_updates {
+ struct list_head ou_list;
+ spinlock_t ou_lock;
+ wait_queue_head_t ou_waitq;
+ /* wait for next updates */
+ __u64 ou_rpc_version;
+ __u64 ou_version;
+};
+
struct osp_device {
struct dt_device opd_dt_dev;
/* corresponded OST index */
struct obd_uuid opd_cluuid;
struct obd_connect_data *opd_connect_data;
int opd_connects;
- cfs_proc_dir_entry_t *opd_proc_entry;
+ struct proc_dir_entry *opd_proc_entry;
struct lprocfs_stats *opd_stats;
/* connection status. */
unsigned int opd_new_connection:1,
/* thread waits for signals about pool going empty */
wait_queue_head_t opd_pre_waitq;
+ /* send update thread */
+ struct osp_updates *opd_update;
+ /* dedicate update thread */
+ struct ptlrpc_thread opd_update_thread;
+
/*
* OST synchronization
*/
unsigned long opd_syn_last_processed_id;
struct osp_id_tracker *opd_syn_tracker;
struct list_head opd_syn_ontrack;
+ /* stop processing new requests until barrier=0 */
+ atomic_t opd_syn_barrier;
+ wait_queue_head_t opd_syn_barrier_waitq;
/*
* statfs related fields: OSP maintains it on its own
/* how often to update statfs data */
int opd_statfs_maxage;
- cfs_proc_dir_entry_t *opd_symlink;
+ struct proc_dir_entry *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;
+ 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;
};
#define opd_pre_lock opd_pre->osp_pre_lock
struct list_head oxe_list;
atomic_t oxe_ref;
void *oxe_value;
- int oxe_buflen;
- int oxe_namelen;
- int oxe_vallen;
+ size_t oxe_buflen;
+ size_t oxe_namelen;
+ size_t oxe_vallen;
unsigned int oxe_exist:1,
oxe_ready:1;
char oxe_buf[0];
struct lu_object_header opo_header;
struct dt_object opo_obj;
unsigned int opo_reserved:1,
- opo_new:1,
opo_non_exist:1;
/* read/write lock for md osp object */
struct lu_attr osi_attr;
struct ost_id osi_oi;
struct ost_id osi_oi2;
- obd_id osi_id;
+ u64 osi_id;
loff_t osi_off;
union {
struct llog_rec_hdr osi_hdr;
struct osp_it {
__u32 ooi_pos_page;
__u32 ooi_pos_lu_page;
+ __u32 ooi_attr;
int ooi_pos_ent;
int ooi_total_npages;
int ooi_valid_npages;
struct page **ooi_pages;
};
+#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;
+ __u64 ot_version;
+};
+
+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_dev != NULL && th->th_dev->dd_ops == &osp_dt_ops;
+ return th->th_top == NULL;
}
static inline void osp_objid_buf_prep(struct lu_buf *buf, loff_t *off,
__u32 *id, int 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(obd_id);
- *off = sizeof(obd_id) * index;
+ 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(obd_id);
- *off = sizeof(obd_id) * index;
+ buf->lb_len = sizeof(u64);
+ *off = sizeof(u64) * index;
}
static inline void osp_buf_prep(struct lu_buf *lb, void *buf, int buf_len)
}
#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)
+
+static inline void osp_get_rpc_lock(struct osp_device *osp)
+{
+ struct mdc_rpc_lock *rpc_lock = osp->opd_obd->u.cli.cl_rpc_lock;
+
+ mdc_get_rpc_lock(rpc_lock, NULL);
+}
+
+static inline void osp_put_rpc_lock(struct osp_device *osp)
+{
+ struct mdc_rpc_lock *rpc_lock = osp->opd_obd->u.cli.cl_rpc_lock;
+
+ mdc_put_rpc_lock(rpc_lock, NULL);
+}
static inline int osp_fid_diff(const struct lu_fid *fid1,
const struct lu_fid *fid2)
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);
+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, name, our, op, ...) \
+({ \
+ 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_##name##_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++; \
+ object_update->ou_flags |= \
+ update->our_flags; \
+ } \
+ break; \
+ } \
+ } \
+ ret; \
+})
+
+static inline bool osp_send_update_thread_running(struct osp_device *osp)
+{
+ return osp->opd_update_thread.t_flags & SVC_RUNNING;
+}
+
+static inline bool osp_send_update_thread_stopped(struct osp_device *osp)
+{
+ return osp->opd_update_thread.t_flags & SVC_STOPPED;
+}
+
+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);
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);
+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,
+ 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(struct osp_update_request *update);
+
+int osp_send_update_thread(void *arg);
+int osp_check_and_set_rpc_version(struct osp_thandle *oth);
+
+void osp_thandle_destroy(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(struct osp_thandle *oth)
+{
+ if (atomic_dec_and_test(&oth->ot_refcount))
+ osp_thandle_destroy(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);
/* osp_object.c */
int osp_attr_get(const struct lu_env *env, struct dt_object *dt,
- struct lu_attr *attr, struct lustre_capa *capa);
+ struct lu_attr *attr);
int osp_xattr_get(const struct lu_env *env, struct dt_object *dt,
- struct lu_buf *buf, const char *name,
- struct lustre_capa *capa);
+ 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, struct lustre_capa *capa);
+ 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,
- 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);
+ const char *name, struct thandle *th);
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, struct lustre_capa *capa);
+ __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);
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);
+int osp_oac_init(struct osp_object *obj);
/* osp_md_object.c */
int osp_md_declare_object_create(const struct lu_env *env,
struct dt_object *dt,
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);
+ const struct lu_attr *attr, struct thandle *th);
extern const struct dt_index_operations osp_md_index_ops;
/* osp_precreate.c */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff