#include <lustre_log.h>
#include "osp_internal.h"
-static const char dot[] = ".";
-static const char dotdot[] = "..";
+#define OUT_UPDATE_BUFFER_SIZE_ADD 4096
+#define OUT_UPDATE_BUFFER_SIZE_MAX (256 * 4096) /* 1M update size now */
/**
* Interpreter call for object creation
obj->opo_obj.do_lu.lo_header->loh_attr &= ~LOHA_EXISTS;
obj->opo_non_exist = 1;
}
+
+ /* Invalid the opo cache for the object after the object
+ * is being created, so attr_get will try to get attr
+ * from the remote object. XXX this can be improved when
+ * we have object lock/cache invalidate mechanism in OSP
+ * layer */
+ if (obj->opo_ooa != NULL) {
+ spin_lock(&obj->opo_lock);
+ obj->opo_ooa->ooa_attr.la_valid = 0;
+ spin_unlock(&obj->opo_lock);
+ }
+
return 0;
}
/**
* Implementation of dt_object_operations::do_declare_create
*
- * Create the dt_update_request to track the update for this OSP
+ * Create the osp_update_request to track the update for this OSP
* in the transaction.
*
* \param[in] env execution environment
struct dt_object_format *dof,
struct thandle *th)
{
+ struct osp_object *obj = dt2osp_obj(dt);
+ int rc;
+
+ if (obj->opo_ooa == NULL) {
+ rc = osp_oac_init(obj);
+ if (rc != 0)
+ return rc;
+ }
+
return osp_trans_update_request_create(th);
}
+struct object_update *
+update_buffer_get_update(struct object_update_request *request,
+ unsigned int index)
+{
+ void *ptr;
+ int i;
+
+ if (index > request->ourq_count)
+ return NULL;
+
+ ptr = &request->ourq_updates[0];
+ for (i = 0; i < index; i++)
+ ptr += object_update_size(ptr);
+
+ return ptr;
+}
+
/**
* Implementation of dt_object_operations::do_create
*
struct lu_attr *attr, struct dt_allocation_hint *hint,
struct dt_object_format *dof, struct thandle *th)
{
- struct dt_update_request *update;
+ struct osp_update_request *update;
+ struct osp_object *obj = dt2osp_obj(dt);
int rc;
- update = thandle_to_dt_update_request(th);
+ update = thandle_to_osp_update_request(th);
LASSERT(update != NULL);
- rc = out_create_pack(env, &update->dur_buf,
- lu_object_fid(&dt->do_lu), attr, hint, dof,
- update->dur_batchid);
+ LASSERT(attr->la_valid & LA_TYPE);
+ rc = osp_update_rpc_pack(env, create, update, OUT_CREATE,
+ lu_object_fid(&dt->do_lu), attr, hint, dof);
if (rc != 0)
GOTO(out, rc);
- rc = osp_insert_update_callback(env, update, dt2osp_obj(dt), attr,
+ rc = osp_insert_update_callback(env, update, dt2osp_obj(dt), NULL,
osp_object_create_interpreter);
if (rc < 0)
dt->do_lu.lo_header->loh_attr |= LOHA_EXISTS | (attr->la_mode & S_IFMT);
dt2osp_obj(dt)->opo_non_exist = 0;
+
+ LASSERT(obj->opo_ooa != NULL);
+ obj->opo_ooa->ooa_attr = *attr;
out:
return rc;
}
/**
* Implementation of dt_object_operations::do_declare_ref_del
*
- * Create the dt_update_request to track the update for this OSP
+ * Create the osp_update_request to track the update for this OSP
* in the transaction.
*
* \param[in] env execution environment
static int osp_md_ref_del(const struct lu_env *env, struct dt_object *dt,
struct thandle *th)
{
- struct dt_update_request *update;
+ struct osp_update_request *update;
int rc;
- update = thandle_to_dt_update_request(th);
+ update = thandle_to_osp_update_request(th);
LASSERT(update != NULL);
- rc = out_ref_del_pack(env, &update->dur_buf,
- lu_object_fid(&dt->do_lu),
- update->dur_batchid);
+ rc = osp_update_rpc_pack(env, ref_del, update, OUT_REF_DEL,
+ lu_object_fid(&dt->do_lu));
return rc;
}
/**
* Implementation of dt_object_operations::do_declare_ref_del
*
- * Create the dt_update_request to track the update for this OSP
+ * Create the osp_update_request to track the update for this OSP
* in the transaction.
*
* \param[in] env execution environment
static int osp_md_ref_add(const struct lu_env *env, struct dt_object *dt,
struct thandle *th)
{
- struct dt_update_request *update;
+ struct osp_update_request *update;
int rc;
- update = thandle_to_dt_update_request(th);
+ update = thandle_to_osp_update_request(th);
LASSERT(update != NULL);
- rc = out_ref_add_pack(env, &update->dur_buf,
- lu_object_fid(&dt->do_lu),
- update->dur_batchid);
+ rc = osp_update_rpc_pack(env, ref_add, update, OUT_REF_ADD,
+ lu_object_fid(&dt->do_lu));
return rc;
}
/**
* Implementation of dt_object_operations::do_declare_attr_get
*
- * Create the dt_update_request to track the update for this OSP
+ * Create the osp_update_request to track the update for this OSP
* in the transaction.
*
* \param[in] env execution environment
int osp_md_attr_set(const struct lu_env *env, struct dt_object *dt,
const struct lu_attr *attr, struct thandle *th)
{
- struct dt_update_request *update;
+ struct osp_update_request *update;
int rc;
- update = thandle_to_dt_update_request(th);
+ update = thandle_to_osp_update_request(th);
LASSERT(update != NULL);
- rc = out_attr_set_pack(env, &update->dur_buf,
- lu_object_fid(&dt->do_lu), attr,
- update->dur_batchid);
-
+ rc = osp_update_rpc_pack(env, attr_set, update, OUT_ATTR_SET,
+ lu_object_fid(&dt->do_lu), attr);
return rc;
}
struct lu_buf *lbuf = &osp_env_info(env)->osi_lb2;
struct osp_device *osp = lu2osp_dev(dt->do_lu.lo_dev);
struct dt_device *dt_dev = &osp->opd_dt_dev;
- struct dt_update_request *update;
+ struct osp_update_request *update;
struct object_update_reply *reply;
struct ptlrpc_request *req = NULL;
struct lu_fid *fid;
* just create an update buffer, instead of attaching the
* update_remote list of the thandle.
*/
- update = dt_update_request_create(dt_dev);
+ update = osp_update_request_create(dt_dev);
if (IS_ERR(update))
RETURN(PTR_ERR(update));
- rc = out_index_lookup_pack(env, &update->dur_buf,
- lu_object_fid(&dt->do_lu), rec, key);
+ rc = osp_update_rpc_pack(env, index_lookup, update, OUT_INDEX_LOOKUP,
+ lu_object_fid(&dt->do_lu), rec, key);
if (rc != 0) {
CERROR("%s: Insert update error: rc = %d\n",
dt_dev->dd_lu_dev.ld_obd->obd_name, rc);
if (req != NULL)
ptlrpc_req_finished(req);
- dt_update_request_destroy(update);
+ osp_update_request_destroy(update);
return rc;
}
/**
* Implementation of dt_index_operations::dio_declare_insert
*
- * Create the dt_update_request to track the update for this OSP
+ * Create the osp_update_request to track the update for this OSP
* in the transaction.
*
* \param[in] env execution environment
struct thandle *th,
int ignore_quota)
{
- struct osp_thandle *oth = thandle_to_osp_thandle(th);
- struct dt_update_request *update = oth->ot_dur;
+ struct osp_update_request *update;
int rc;
+ update = thandle_to_osp_update_request(th);
+ LASSERT(update != NULL);
- rc = out_index_insert_pack(env, &update->dur_buf,
- lu_object_fid(&dt->do_lu), rec, key,
- update->dur_batchid);
-
+ rc = osp_update_rpc_pack(env, index_insert, update, OUT_INDEX_INSERT,
+ lu_object_fid(&dt->do_lu), rec, key);
return rc;
}
/**
* Implementation of dt_index_operations::dio_declare_delete
*
- * Create the dt_update_request to track the update for this OSP
+ * Create the osp_update_request to track the update for this OSP
* in the transaction.
*
* \param[in] env execution environment
const struct dt_key *key,
struct thandle *th)
{
- struct dt_update_request *update;
+ struct osp_update_request *update;
int rc;
- update = thandle_to_dt_update_request(th);
+ update = thandle_to_osp_update_request(th);
LASSERT(update != NULL);
- rc = out_index_delete_pack(env, &update->dur_buf,
- lu_object_fid(&dt->do_lu), key,
- update->dur_batchid);
+ rc = osp_update_rpc_pack(env, index_delete, update, OUT_INDEX_DELETE,
+ lu_object_fid(&dt->do_lu), key);
+
return rc;
}
* \param[in] env execution environment
* \param[in] di iterator of this iteration
*
- * \retval 0 if the pointer is advanced successfuly.
+ * \retval 0 if the pointer is advanced successfully.
* \retval 1 if it reaches to the end of the index object.
* \retval negative errno if the pointer cannot be advanced.
*/
if (mode > 0)
return ELDLM_OK;
+ if (einfo->ei_nonblock)
+ flags |= LDLM_FL_BLOCK_NOWAIT;
+
req = ldlm_enqueue_pack(osp->opd_exp, 0);
if (IS_ERR(req))
RETURN(PTR_ERR(req));
{
struct osp_object *o = dt2osp_obj(dt);
struct osp_device *osp = lu2osp_dev(dt->do_lu.lo_dev);
- struct dt_update_request *update;
+ struct osp_update_request *update;
int rc = 0;
ENTRY;
o->opo_non_exist = 1;
LASSERT(osp->opd_connect_mdt);
- update = thandle_to_dt_update_request(th);
+ update = thandle_to_osp_update_request(th);
LASSERT(update != NULL);
- rc = out_object_destroy_pack(env, &update->dur_buf,
- lu_object_fid(&dt->do_lu), update->dur_batchid);
+ rc = osp_update_rpc_pack(env, object_destroy, update, OUT_DESTROY,
+ lu_object_fid(&dt->do_lu));
if (rc != 0)
RETURN(rc);
- /* not needed in cache any more */
set_bit(LU_OBJECT_HEARD_BANSHEE, &dt->do_lu.lo_header->loh_flags);
+ rc = osp_insert_update_callback(env, update, dt2osp_obj(dt), NULL,
+ NULL);
RETURN(rc);
}
/**
* Implementation of dt_body_operations::dbo_declare_write
*
- * Create the dt_update_request to track the update for this OSP
+ * Create the osp_update_request to track the update for this OSP
* in the transaction.
*
* \param[in] env execution environment
const struct lu_buf *buf, loff_t *pos,
struct thandle *th, int ignore_quota)
{
- struct dt_update_request *update;
+ struct osp_object *obj = dt2osp_obj(dt);
+ struct osp_update_request *update;
+ struct osp_thandle *oth = thandle_to_osp_thandle(th);
ssize_t rc;
+ ENTRY;
- update = thandle_to_dt_update_request(th);
+ update = thandle_to_osp_update_request(th);
LASSERT(update != NULL);
- rc = out_write_pack(env, &update->dur_buf, lu_object_fid(&dt->do_lu),
- buf, *pos, update->dur_batchid);
+ rc = osp_update_rpc_pack(env, write, update, OUT_WRITE,
+ lu_object_fid(&dt->do_lu), buf, *pos);
if (rc < 0)
- return rc;
+ RETURN(rc);
+
+ CDEBUG(D_INFO, "write "DFID" offset = "LPU64" length = %zu\n",
+ PFID(lu_object_fid(&dt->do_lu)), *pos, buf->lb_len);
/* XXX: how about the write error happened later? */
*pos += buf->lb_len;
- return buf->lb_len;
+
+ if (obj->opo_ooa != NULL &&
+ obj->opo_ooa->ooa_attr.la_valid & LA_SIZE &&
+ obj->opo_ooa->ooa_attr.la_size < *pos)
+ obj->opo_ooa->ooa_attr.la_size = *pos;
+
+ rc = osp_check_and_set_rpc_version(oth);
+ if (rc < 0)
+ RETURN(rc);
+
+ RETURN(buf->lb_len);
+}
+
+static ssize_t osp_md_read(const struct lu_env *env, struct dt_object *dt,
+ struct lu_buf *rbuf, loff_t *pos)
+{
+ struct osp_device *osp = lu2osp_dev(dt->do_lu.lo_dev);
+ struct dt_device *dt_dev = &osp->opd_dt_dev;
+ struct lu_buf *lbuf = &osp_env_info(env)->osi_lb2;
+ struct osp_update_request *update = NULL;
+ struct object_update_reply *reply;
+ struct out_read_reply *orr;
+ char *ptr = rbuf->lb_buf;
+ struct ptlrpc_request *req = NULL;
+ size_t total_length = rbuf->lb_len;
+ size_t max_buf_size;
+ loff_t offset = *pos;
+ int rc;
+ ENTRY;
+
+ /* Calculate the maxium buffer length for each read request */
+ max_buf_size = OUT_UPDATE_REPLY_SIZE - cfs_size_round(sizeof(*orr)) -
+ cfs_size_round(sizeof(struct object_update_result)) -
+ cfs_size_round(offsetof(struct object_update_reply,
+ ourp_lens[1]));
+ while (total_length > 0) {
+ size_t read_length;
+
+ /* Because it needs send the update buffer right away,
+ * just create an update buffer, instead of attaching the
+ * update_remote list of the thandle. */
+ update = osp_update_request_create(dt_dev);
+ if (IS_ERR(update))
+ GOTO(out, rc = PTR_ERR(update));
+
+ read_length = total_length > max_buf_size ?
+ max_buf_size : total_length;
+
+ rc = osp_update_rpc_pack(env, read, update, OUT_READ,
+ lu_object_fid(&dt->do_lu),
+ read_length, offset);
+ if (rc != 0) {
+ CERROR("%s: cannot insert update: rc = %d\n",
+ dt_dev->dd_lu_dev.ld_obd->obd_name, rc);
+ GOTO(out, rc);
+ }
+
+ rc = osp_remote_sync(env, osp, update, &req);
+ if (rc < 0)
+ GOTO(out, rc);
+
+ reply = req_capsule_server_sized_get(&req->rq_pill,
+ &RMF_OUT_UPDATE_REPLY,
+ OUT_UPDATE_REPLY_SIZE);
+
+ if (reply->ourp_magic != UPDATE_REPLY_MAGIC) {
+ CERROR("%s: invalid update reply magic %x expected %x:"
+ " rc = %d\n", dt_dev->dd_lu_dev.ld_obd->obd_name,
+ reply->ourp_magic, UPDATE_REPLY_MAGIC, -EPROTO);
+ GOTO(out, rc = -EPROTO);
+ }
+
+ rc = object_update_result_data_get(reply, lbuf, 0);
+ if (rc < 0)
+ GOTO(out, rc);
+
+ if (lbuf->lb_len < sizeof(*orr))
+ GOTO(out, rc = -EPROTO);
+
+ orr = lbuf->lb_buf;
+ orr_le_to_cpu(orr, orr);
+ offset = orr->orr_offset;
+ if (orr->orr_size > max_buf_size)
+ GOTO(out, rc = -EPROTO);
+
+ memcpy(ptr, orr->orr_data, orr->orr_size);
+ ptr += orr->orr_size;
+ total_length -= orr->orr_size;
+
+ CDEBUG(D_INFO, "%s: read "DFID" pos "LPU64" len %u left %zu\n",
+ osp->opd_obd->obd_name, PFID(lu_object_fid(&dt->do_lu)),
+ offset, orr->orr_size, total_length);
+
+ if (orr->orr_size < read_length)
+ break;
+
+ ptlrpc_req_finished(req);
+ osp_update_request_destroy(update);
+ req = NULL;
+ update = NULL;
+ }
+
+ total_length = rbuf->lb_len - total_length;
+ *pos = offset;
+ CDEBUG(D_INFO, "%s: total read "DFID" pos "LPU64" len %zu\n",
+ osp->opd_obd->obd_name, PFID(lu_object_fid(&dt->do_lu)),
+ *pos, total_length);
+ GOTO(out, rc = (int)total_length);
+out:
+ if (req != NULL)
+ ptlrpc_req_finished(req);
+
+ if (update != NULL)
+ osp_update_request_destroy(update);
+
+ return rc;
}
/* These body operation will be used to write symlinks during migration etc */
struct dt_body_operations osp_md_body_ops = {
.dbo_declare_write = osp_md_declare_write,
.dbo_write = osp_md_write,
+ .dbo_read = osp_md_read,
};
git://git.whamcloud.com / fs / lustre-release.git / blobdiff