#include "tgt_internal.h"
#include <lustre_update.h>
-static int tx_extend_args(struct thandle_exec_args *ta, int new_alloc_ta)
-{
- struct tx_arg **new_ta;
- int i;
- int rc = 0;
-
- if (ta->ta_alloc_args >= new_alloc_ta)
- return 0;
-
- OBD_ALLOC(new_ta, sizeof(*new_ta) * new_alloc_ta);
- if (new_ta == NULL)
- return -ENOMEM;
-
- for (i = 0; i < new_alloc_ta; i++) {
- if (i < ta->ta_alloc_args) {
- /* copy the old args to new one */
- new_ta[i] = ta->ta_args[i];
- } else {
- OBD_ALLOC_PTR(new_ta[i]);
- if (new_ta[i] == NULL)
- GOTO(out, rc = -ENOMEM);
- }
- }
-
- /* free the old args */
- if (ta->ta_args != NULL)
- OBD_FREE(ta->ta_args, sizeof(ta->ta_args[0]) *
- ta->ta_alloc_args);
-
- ta->ta_args = new_ta;
- ta->ta_alloc_args = new_alloc_ta;
-out:
- if (rc != 0) {
- for (i = 0; i < new_alloc_ta; i++) {
- if (new_ta[i] != NULL)
- OBD_FREE_PTR(new_ta[i]);
- }
- OBD_FREE(new_ta, sizeof(*new_ta) * new_alloc_ta);
- }
- return rc;
-}
-
-#define TX_ALLOC_STEP 8
-static struct tx_arg *tx_add_exec(struct thandle_exec_args *ta,
- tx_exec_func_t func, tx_exec_func_t undo,
- const char *file, int line)
-{
- int rc;
- int i;
-
- LASSERT(ta != NULL);
- LASSERT(func != NULL);
-
- if (ta->ta_argno + 1 >= ta->ta_alloc_args) {
- rc = tx_extend_args(ta, ta->ta_alloc_args + TX_ALLOC_STEP);
- if (rc != 0)
- return ERR_PTR(rc);
- }
-
- i = ta->ta_argno;
-
- ta->ta_argno++;
-
- ta->ta_args[i]->exec_fn = func;
- ta->ta_args[i]->undo_fn = undo;
- ta->ta_args[i]->file = file;
- ta->ta_args[i]->line = line;
-
- return ta->ta_args[i];
-}
-
static void out_reconstruct(const struct lu_env *env, struct dt_device *dt,
struct dt_object *obj,
struct object_update_reply *reply,
return 0;
if (req_xid_is_last(req)) {
+ struct lsd_client_data *lcd;
+
+ /* XXX this does not support mulitple transactions yet, i.e.
+ * only 1 update RPC each time betwee MDTs */
+ lcd = req->rq_export->exp_target_data.ted_lcd;
+
+ req->rq_transno = lcd->lcd_last_transno;
+ req->rq_status = lcd->lcd_last_result;
+ if (req->rq_status != 0)
+ req->rq_transno = 0;
+ lustre_msg_set_transno(req->rq_repmsg, req->rq_transno);
+ lustre_msg_set_status(req->rq_repmsg, req->rq_status);
+
+ DEBUG_REQ(D_RPCTRACE, req, "restoring transno "LPD64"status %d",
+ req->rq_transno, req->rq_status);
+
reconstruct(env, dt, obj, reply, index);
return 1;
}
return 0;
}
-static int out_obj_destroy(const struct lu_env *env, struct dt_object *dt_obj,
- struct thandle *th)
-{
- int rc;
-
- CDEBUG(D_INFO, "%s: destroy "DFID"\n", dt_obd_name(th->th_dev),
- PFID(lu_object_fid(&dt_obj->do_lu)));
-
- dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
- rc = dt_destroy(env, dt_obj, th);
- dt_write_unlock(env, dt_obj);
-
- return rc;
-}
-
-/**
- * All of the xxx_undo will be used once execution failed,
- * But because all of the required resource has been reserved in
- * declare phase, i.e. if declare succeed, it should make sure
- * the following executing phase succeed in anyway, so these undo
- * should be useless for most of the time in Phase I
- */
-static int out_tx_create_undo(const struct lu_env *env, struct thandle *th,
- struct tx_arg *arg)
-{
- int rc;
-
- rc = out_obj_destroy(env, arg->object, th);
- if (rc != 0)
- CERROR("%s: undo failure, we are doomed!: rc = %d\n",
- dt_obd_name(th->th_dev), rc);
- return rc;
-}
-
-static int out_tx_create_exec(const struct lu_env *env, struct thandle *th,
- struct tx_arg *arg)
-{
- struct dt_object *dt_obj = arg->object;
- int rc;
-
- CDEBUG(D_OTHER, "%s: create "DFID": dof %u, mode %o\n",
- dt_obd_name(th->th_dev),
- PFID(lu_object_fid(&arg->object->do_lu)),
- arg->u.create.dof.dof_type,
- arg->u.create.attr.la_mode & S_IFMT);
-
- dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
- rc = dt_create(env, dt_obj, &arg->u.create.attr,
- &arg->u.create.hint, &arg->u.create.dof, th);
-
- dt_write_unlock(env, dt_obj);
-
- CDEBUG(D_INFO, "%s: insert create reply %p index %d: rc = %d\n",
- dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
-
- object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
-
- return rc;
-}
-
-static int __out_tx_create(const struct lu_env *env, struct dt_object *obj,
- struct lu_attr *attr, struct lu_fid *parent_fid,
- struct dt_object_format *dof,
- struct thandle_exec_args *ta,
- struct object_update_reply *reply,
- int index, const char *file, int line)
-{
- struct tx_arg *arg;
- int rc;
-
- LASSERT(ta->ta_handle != NULL);
- rc = dt_declare_create(env, obj, attr, NULL, dof,
- ta->ta_handle);
- if (rc != 0)
- return rc;
-
- arg = tx_add_exec(ta, out_tx_create_exec, out_tx_create_undo, file,
- line);
- if (IS_ERR(arg))
- return PTR_ERR(arg);
-
- /* release the object in out_trans_stop */
- lu_object_get(&obj->do_lu);
- arg->object = obj;
- arg->u.create.attr = *attr;
- if (parent_fid != NULL)
- arg->u.create.fid = *parent_fid;
- memset(&arg->u.create.hint, 0, sizeof(arg->u.create.hint));
- arg->u.create.dof = *dof;
- arg->reply = reply;
- arg->index = index;
-
- return 0;
-}
-
static int out_create(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
RETURN(-EEXIST);
rc = out_tx_create(tsi->tsi_env, obj, attr, fid, dof,
- &tti->tti_tea,
+ &tti->tti_tea, tti->tti_tea.ta_handle,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
-static int out_tx_attr_set_undo(const struct lu_env *env,
- struct thandle *th, struct tx_arg *arg)
-{
- CERROR("%s: attr set undo "DFID" unimplemented yet!: rc = %d\n",
- dt_obd_name(th->th_dev),
- PFID(lu_object_fid(&arg->object->do_lu)), -ENOTSUPP);
-
- return -ENOTSUPP;
-}
-
-static int out_tx_attr_set_exec(const struct lu_env *env, struct thandle *th,
- struct tx_arg *arg)
-{
- struct dt_object *dt_obj = arg->object;
- int rc;
-
- CDEBUG(D_OTHER, "%s: attr set "DFID"\n", dt_obd_name(th->th_dev),
- PFID(lu_object_fid(&dt_obj->do_lu)));
-
- dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
- rc = dt_attr_set(env, dt_obj, &arg->u.attr_set.attr, th);
- dt_write_unlock(env, dt_obj);
-
- CDEBUG(D_INFO, "%s: insert attr_set reply %p index %d: rc = %d\n",
- dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
-
- object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
-
- return rc;
-}
-
-static int __out_tx_attr_set(const struct lu_env *env,
- struct dt_object *dt_obj,
- const struct lu_attr *attr,
- struct thandle_exec_args *th,
- struct object_update_reply *reply,
- int index, const char *file, int line)
-{
- struct tx_arg *arg;
- int rc;
-
- LASSERT(th->ta_handle != NULL);
- rc = dt_declare_attr_set(env, dt_obj, attr, th->ta_handle);
- if (rc != 0)
- return rc;
-
- arg = tx_add_exec(th, out_tx_attr_set_exec, out_tx_attr_set_undo,
- file, line);
- if (IS_ERR(arg))
- return PTR_ERR(arg);
-
- lu_object_get(&dt_obj->do_lu);
- arg->object = dt_obj;
- arg->u.attr_set.attr = *attr;
- arg->reply = reply;
- arg->index = index;
- return 0;
-}
-
static int out_attr_set(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
la_from_obdo(attr, lobdo, lobdo->o_valid);
rc = out_tx_attr_set(tsi->tsi_env, obj, attr, &tti->tti_tea,
+ tti->tti_tea.ta_handle,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
-static int out_tx_xattr_set_exec(const struct lu_env *env,
- struct thandle *th,
- struct tx_arg *arg)
-{
- struct dt_object *dt_obj = arg->object;
- int rc;
-
- CDEBUG(D_INFO, "%s: set xattr buf %p name %s flag %d\n",
- dt_obd_name(th->th_dev), arg->u.xattr_set.buf.lb_buf,
- arg->u.xattr_set.name, arg->u.xattr_set.flags);
-
- if (!lu_object_exists(&dt_obj->do_lu))
- GOTO(out, rc = -ENOENT);
-
- dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
- rc = dt_xattr_set(env, dt_obj, &arg->u.xattr_set.buf,
- arg->u.xattr_set.name, arg->u.xattr_set.flags, th);
- /**
- * Ignore errors if this is LINK EA
- **/
- if (unlikely(rc != 0 &&
- strcmp(arg->u.xattr_set.name, XATTR_NAME_LINK) == 0)) {
- /* XXX: If the linkEA is overflow, then we need to notify the
- * namespace LFSCK to skip "nlink" attribute verification
- * on this object to avoid the "nlink" to be shrinked by
- * wrong. It may be not good an interaction with LFSCK
- * like this. We will consider to replace it with other
- * mechanism in future. LU-5802. */
- if (rc == -ENOSPC) {
- struct lfsck_request *lr = &tgt_th_info(env)->tti_lr;
-
- lfsck_pack_rfa(lr, lu_object_fid(&dt_obj->do_lu),
- LE_SKIP_NLINK, LFSCK_TYPE_NAMESPACE);
- tgt_lfsck_in_notify(env,
- tgt_ses_info(env)->tsi_tgt->lut_bottom, lr, th);
- }
-
- rc = 0;
- }
- dt_write_unlock(env, dt_obj);
-
-out:
- CDEBUG(D_INFO, "%s: insert xattr set reply %p index %d: rc = %d\n",
- dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
-
- object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
-
- return rc;
-}
-
-static int __out_tx_xattr_set(const struct lu_env *env,
- struct dt_object *dt_obj,
- const struct lu_buf *buf,
- const char *name, int flags,
- struct thandle_exec_args *ta,
- struct object_update_reply *reply,
- int index, const char *file, int line)
-{
- struct tx_arg *arg;
- int rc;
-
- LASSERT(ta->ta_handle != NULL);
- rc = dt_declare_xattr_set(env, dt_obj, buf, name, flags, ta->ta_handle);
- if (rc != 0)
- return rc;
-
- if (strcmp(name, XATTR_NAME_LINK) == 0) {
- struct lfsck_request *lr = &tgt_th_info(env)->tti_lr;
-
- /* XXX: If the linkEA is overflow, then we need to notify the
- * namespace LFSCK to skip "nlink" attribute verification
- * on this object to avoid the "nlink" to be shrinked by
- * wrong. It may be not good an interaction with LFSCK
- * like this. We will consider to replace it with other
- * mechanism in future. LU-5802. */
- lfsck_pack_rfa(lr, lu_object_fid(&dt_obj->do_lu),
- LE_SKIP_NLINK_DECLARE, LFSCK_TYPE_NAMESPACE);
- rc = tgt_lfsck_in_notify(env,
- tgt_ses_info(env)->tsi_tgt->lut_bottom,
- lr, ta->ta_handle);
- if (rc != 0)
- return rc;
- }
-
- arg = tx_add_exec(ta, out_tx_xattr_set_exec, NULL, file, line);
- if (IS_ERR(arg))
- return PTR_ERR(arg);
-
- lu_object_get(&dt_obj->do_lu);
- arg->object = dt_obj;
- arg->u.xattr_set.name = name;
- arg->u.xattr_set.flags = flags;
- arg->u.xattr_set.buf = *buf;
- arg->reply = reply;
- arg->index = index;
- arg->u.xattr_set.csum = 0;
- return 0;
-}
-
static int out_xattr_set(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
flag = *tmp;
rc = out_tx_xattr_set(tsi->tsi_env, obj, lbuf, name, flag,
- &tti->tti_tea,
+ &tti->tti_tea, tti->tti_tea.ta_handle,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
-static int out_tx_xattr_del_exec(const struct lu_env *env, struct thandle *th,
- struct tx_arg *arg)
-{
- struct dt_object *dt_obj = arg->object;
- int rc;
-
- CDEBUG(D_INFO, "%s: del xattr name '%s' on "DFID"\n",
- dt_obd_name(th->th_dev), arg->u.xattr_set.name,
- PFID(lu_object_fid(&dt_obj->do_lu)));
-
- if (!lu_object_exists(&dt_obj->do_lu))
- GOTO(out, rc = -ENOENT);
-
- dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
- rc = dt_xattr_del(env, dt_obj, arg->u.xattr_set.name, th);
- dt_write_unlock(env, dt_obj);
-out:
- CDEBUG(D_INFO, "%s: insert xattr del reply %p index %d: rc = %d\n",
- dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
-
- object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
-
- return rc;
-}
-
-static int __out_tx_xattr_del(const struct lu_env *env,
- struct dt_object *dt_obj, const char *name,
- struct thandle_exec_args *ta,
- struct object_update_reply *reply,
- int index, const char *file, int line)
-{
- struct tx_arg *arg;
- int rc;
-
- rc = dt_declare_xattr_del(env, dt_obj, name, ta->ta_handle);
- if (rc != 0)
- return rc;
-
- arg = tx_add_exec(ta, out_tx_xattr_del_exec, NULL, file, line);
- if (IS_ERR(arg))
- return PTR_ERR(arg);
-
- lu_object_get(&dt_obj->do_lu);
- arg->object = dt_obj;
- arg->u.xattr_set.name = name;
- arg->reply = reply;
- arg->index = index;
- return 0;
-}
-
static int out_xattr_del(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
}
rc = out_tx_xattr_del(tsi->tsi_env, obj, name, &tti->tti_tea,
+ tti->tti_tea.ta_handle,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
-static int out_obj_ref_add(const struct lu_env *env,
- struct dt_object *dt_obj,
- struct thandle *th)
-{
- int rc;
-
- dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
- rc = dt_ref_add(env, dt_obj, th);
- dt_write_unlock(env, dt_obj);
-
- return rc;
-}
-
-static int out_obj_ref_del(const struct lu_env *env,
- struct dt_object *dt_obj,
- struct thandle *th)
-{
- int rc;
-
- dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
- rc = dt_ref_del(env, dt_obj, th);
- dt_write_unlock(env, dt_obj);
-
- return rc;
-}
-
-static int out_tx_ref_add_exec(const struct lu_env *env, struct thandle *th,
- struct tx_arg *arg)
-{
- struct dt_object *dt_obj = arg->object;
- int rc;
-
- rc = out_obj_ref_add(env, dt_obj, th);
-
- CDEBUG(D_INFO, "%s: insert ref_add reply %p index %d: rc = %d\n",
- dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
-
- object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
- return rc;
-}
-
-static int out_tx_ref_add_undo(const struct lu_env *env, struct thandle *th,
- struct tx_arg *arg)
-{
- return out_obj_ref_del(env, arg->object, th);
-}
-
-static int __out_tx_ref_add(const struct lu_env *env,
- struct dt_object *dt_obj,
- struct thandle_exec_args *ta,
- struct object_update_reply *reply,
- int index, const char *file, int line)
-{
- struct tx_arg *arg;
- int rc;
-
- LASSERT(ta->ta_handle != NULL);
- rc = dt_declare_ref_add(env, dt_obj, ta->ta_handle);
- if (rc != 0)
- return rc;
-
- arg = tx_add_exec(ta, out_tx_ref_add_exec, out_tx_ref_add_undo, file,
- line);
- if (IS_ERR(arg))
- return PTR_ERR(arg);
-
- lu_object_get(&dt_obj->do_lu);
- arg->object = dt_obj;
- arg->reply = reply;
- arg->index = index;
- return 0;
-}
-
/**
* increase ref of the object
**/
ENTRY;
rc = out_tx_ref_add(tsi->tsi_env, obj, &tti->tti_tea,
+ tti->tti_tea.ta_handle,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
-static int out_tx_ref_del_exec(const struct lu_env *env, struct thandle *th,
- struct tx_arg *arg)
-{
- struct dt_object *dt_obj = arg->object;
- int rc;
-
- rc = out_obj_ref_del(env, dt_obj, th);
-
- CDEBUG(D_INFO, "%s: insert ref_del reply %p index %d: rc = %d\n",
- dt_obd_name(th->th_dev), arg->reply, arg->index, 0);
-
- object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
-
- return rc;
-}
-
-static int out_tx_ref_del_undo(const struct lu_env *env, struct thandle *th,
- struct tx_arg *arg)
-{
- return out_obj_ref_add(env, arg->object, th);
-}
-
-static int __out_tx_ref_del(const struct lu_env *env,
- struct dt_object *dt_obj,
- struct thandle_exec_args *ta,
- struct object_update_reply *reply,
- int index, const char *file, int line)
-{
- struct tx_arg *arg;
- int rc;
-
- LASSERT(ta->ta_handle != NULL);
- rc = dt_declare_ref_del(env, dt_obj, ta->ta_handle);
- if (rc != 0)
- return rc;
-
- arg = tx_add_exec(ta, out_tx_ref_del_exec, out_tx_ref_del_undo, file,
- line);
- if (IS_ERR(arg))
- return PTR_ERR(arg);
-
- lu_object_get(&dt_obj->do_lu);
- arg->object = dt_obj;
- arg->reply = reply;
- arg->index = index;
- return 0;
-}
-
static int out_ref_del(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
RETURN(-ENOENT);
rc = out_tx_ref_del(tsi->tsi_env, obj, &tti->tti_tea,
+ tti->tti_tea.ta_handle,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
-static int out_obj_index_insert(const struct lu_env *env,
- struct dt_object *dt_obj,
- const struct dt_rec *rec,
- const struct dt_key *key,
- struct thandle *th)
-{
- int rc;
-
- CDEBUG(D_INFO, "%s: index insert "DFID" name: %s fid "DFID", type %u\n",
- dt_obd_name(th->th_dev), PFID(lu_object_fid(&dt_obj->do_lu)),
- (char *)key, PFID(((struct dt_insert_rec *)rec)->rec_fid),
- ((struct dt_insert_rec *)rec)->rec_type);
-
- if (dt_try_as_dir(env, dt_obj) == 0)
- return -ENOTDIR;
-
- dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
- rc = dt_insert(env, dt_obj, rec, key, th, 0);
- dt_write_unlock(env, dt_obj);
-
- return rc;
-}
-
-static int out_obj_index_delete(const struct lu_env *env,
- struct dt_object *dt_obj,
- const struct dt_key *key,
- struct thandle *th)
-{
- int rc;
-
- CDEBUG(D_INFO, "%s: index delete "DFID" name: %s\n",
- dt_obd_name(th->th_dev), PFID(lu_object_fid(&dt_obj->do_lu)),
- (char *)key);
-
- if (dt_try_as_dir(env, dt_obj) == 0)
- return -ENOTDIR;
-
- dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
- rc = dt_delete(env, dt_obj, key, th);
- dt_write_unlock(env, dt_obj);
-
- return rc;
-}
-
-static int out_tx_index_insert_exec(const struct lu_env *env,
- struct thandle *th, struct tx_arg *arg)
-{
- struct dt_object *dt_obj = arg->object;
- int rc;
-
- if (unlikely(!dt_object_exists(dt_obj)))
- RETURN(-ESTALE);
-
- rc = out_obj_index_insert(env, dt_obj,
- (const struct dt_rec *)&arg->u.insert.rec,
- arg->u.insert.key, th);
-
- CDEBUG(D_INFO, "%s: insert idx insert reply %p index %d: rc = %d\n",
- dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
-
- object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
-
- return rc;
-}
-
-static int out_tx_index_insert_undo(const struct lu_env *env,
- struct thandle *th, struct tx_arg *arg)
-{
- return out_obj_index_delete(env, arg->object, arg->u.insert.key, th);
-}
-
-static int __out_tx_index_insert(const struct lu_env *env,
- struct dt_object *dt_obj,
- const struct dt_rec *rec,
- const struct dt_key *key,
- struct thandle_exec_args *ta,
- struct object_update_reply *reply,
- int index, const char *file, int line)
-{
- struct tx_arg *arg;
- int rc;
-
- LASSERT(ta->ta_handle != NULL);
- if (dt_try_as_dir(env, dt_obj) == 0) {
- rc = -ENOTDIR;
- return rc;
- }
-
- rc = dt_declare_insert(env, dt_obj, rec, key, ta->ta_handle);
- if (rc != 0)
- return rc;
-
- arg = tx_add_exec(ta, out_tx_index_insert_exec,
- out_tx_index_insert_undo, file, line);
- if (IS_ERR(arg))
- return PTR_ERR(arg);
-
- lu_object_get(&dt_obj->do_lu);
- arg->object = dt_obj;
- arg->reply = reply;
- arg->index = index;
- arg->u.insert.rec = *(const struct dt_insert_rec *)rec;
- arg->u.insert.key = key;
-
- return 0;
-}
-
static int out_index_insert(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
rc = out_tx_index_insert(tsi->tsi_env, obj, (const struct dt_rec *)rec,
(const struct dt_key *)name, &tti->tti_tea,
+ tti->tti_tea.ta_handle,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
-static int out_tx_index_delete_exec(const struct lu_env *env,
- struct thandle *th,
- struct tx_arg *arg)
-{
- int rc;
-
- rc = out_obj_index_delete(env, arg->object, arg->u.insert.key, th);
-
- CDEBUG(D_INFO, "%s: delete idx insert reply %p index %d: rc = %d\n",
- dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
-
- object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
-
- return rc;
-}
-
-static int out_tx_index_delete_undo(const struct lu_env *env,
- struct thandle *th,
- struct tx_arg *arg)
-{
- CERROR("%s: Oops, can not rollback index_delete yet: rc = %d\n",
- dt_obd_name(th->th_dev), -ENOTSUPP);
- return -ENOTSUPP;
-}
-
-static int __out_tx_index_delete(const struct lu_env *env,
- struct dt_object *dt_obj,
- const struct dt_key *key,
- struct thandle_exec_args *ta,
- struct object_update_reply *reply,
- int index, const char *file, int line)
-{
- struct tx_arg *arg;
- int rc;
-
- if (dt_try_as_dir(env, dt_obj) == 0) {
- rc = -ENOTDIR;
- return rc;
- }
-
- LASSERT(ta->ta_handle != NULL);
- rc = dt_declare_delete(env, dt_obj, key, ta->ta_handle);
- if (rc != 0)
- return rc;
-
- arg = tx_add_exec(ta, out_tx_index_delete_exec,
- out_tx_index_delete_undo, file, line);
- if (IS_ERR(arg))
- return PTR_ERR(arg);
-
- lu_object_get(&dt_obj->do_lu);
- arg->object = dt_obj;
- arg->reply = reply;
- arg->index = index;
- arg->u.insert.key = key;
- return 0;
-}
-
static int out_index_delete(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
}
rc = out_tx_index_delete(tsi->tsi_env, obj, (const struct dt_key *)name,
- &tti->tti_tea,
+ &tti->tti_tea, tti->tti_tea.ta_handle,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
-static int out_tx_destroy_exec(const struct lu_env *env, struct thandle *th,
- struct tx_arg *arg)
-{
- struct dt_object *dt_obj = arg->object;
- int rc;
-
- rc = out_obj_destroy(env, dt_obj, th);
-
- CDEBUG(D_INFO, "%s: insert destroy reply %p index %d: rc = %d\n",
- dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
-
- object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
-
- RETURN(rc);
-}
-
-static int out_tx_destroy_undo(const struct lu_env *env, struct thandle *th,
- struct tx_arg *arg)
-{
- CERROR("%s: not support destroy undo yet!: rc = %d\n",
- dt_obd_name(th->th_dev), -ENOTSUPP);
- return -ENOTSUPP;
-}
-
-static int __out_tx_destroy(const struct lu_env *env, struct dt_object *dt_obj,
- struct thandle_exec_args *ta,
- struct object_update_reply *reply,
- int index, const char *file, int line)
-{
- struct tx_arg *arg;
- int rc;
-
- LASSERT(ta->ta_handle != NULL);
- rc = dt_declare_destroy(env, dt_obj, ta->ta_handle);
- if (rc != 0)
- return rc;
-
- arg = tx_add_exec(ta, out_tx_destroy_exec, out_tx_destroy_undo,
- file, line);
- if (IS_ERR(arg))
- return PTR_ERR(arg);
-
- lu_object_get(&dt_obj->do_lu);
- arg->object = dt_obj;
- arg->reply = reply;
- arg->index = index;
- return 0;
-}
-
static int out_destroy(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
RETURN(-ENOENT);
rc = out_tx_destroy(tsi->tsi_env, obj, &tti->tti_tea,
+ tti->tti_tea.ta_handle,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
-static int out_tx_write_exec(const struct lu_env *env, struct thandle *th,
- struct tx_arg *arg)
-{
- struct dt_object *dt_obj = arg->object;
- int rc;
-
- dt_write_lock(env, dt_obj, MOR_TGT_CHILD);
- rc = dt_record_write(env, dt_obj, &arg->u.write.buf,
- &arg->u.write.pos, th);
- dt_write_unlock(env, dt_obj);
-
- if (rc == 0)
- rc = arg->u.write.buf.lb_len;
-
- object_update_result_insert(arg->reply, NULL, 0, arg->index, rc);
-
- return rc > 0 ? 0 : rc;
-}
-
-static int __out_tx_write(const struct lu_env *env,
- struct dt_object *dt_obj,
- const struct lu_buf *buf,
- loff_t pos, struct thandle_exec_args *ta,
- struct object_update_reply *reply,
- int index, const char *file, int line)
-{
- struct tx_arg *arg;
- int rc;
-
- LASSERT(ta->ta_handle != NULL);
- rc = dt_declare_record_write(env, dt_obj, buf, pos, ta->ta_handle);
- if (rc != 0)
- return rc;
-
- arg = tx_add_exec(ta, out_tx_write_exec, NULL, file, line);
- if (IS_ERR(arg))
- return PTR_ERR(arg);
-
- lu_object_get(&dt_obj->do_lu);
- arg->object = dt_obj;
- arg->u.write.buf = *buf;
- arg->u.write.pos = pos;
- arg->reply = reply;
- arg->index = index;
- return 0;
-}
-
static int out_write(struct tgt_session_info *tsi)
{
struct tgt_thread_info *tti = tgt_th_info(tsi->tsi_env);
pos = *tmp;
rc = out_tx_write(tsi->tsi_env, obj, lbuf, pos,
- &tti->tti_tea,
+ &tti->tti_tea, tti->tti_tea.ta_handle,
tti->tti_u.update.tti_update_reply,
tti->tti_u.update.tti_update_reply_index);
RETURN(rc);
}
+static int out_read(struct tgt_session_info *tsi)
+{
+ const struct lu_env *env = tsi->tsi_env;
+ struct tgt_thread_info *tti = tgt_th_info(env);
+ struct object_update *update = tti->tti_u.update.tti_update;
+ struct dt_object *obj = tti->tti_u.update.tti_dt_object;
+ struct object_update_reply *reply = tti->tti_u.update.tti_update_reply;
+ int index = tti->tti_u.update.tti_update_reply_index;
+ struct object_update_result *update_result;
+ struct lu_buf *lbuf = &tti->tti_buf;
+ struct out_read_reply *orr;
+ void *tmp;
+ size_t size;
+ __u64 pos;
+ int rc;
+ ENTRY;
+
+ update_result = object_update_result_get(reply, index, NULL);
+ LASSERT(update_result != NULL);
+ update_result->our_datalen = sizeof(*orr);
+
+ if (!lu_object_exists(&obj->do_lu))
+ GOTO(out, rc = -ENOENT);
+
+ tmp = object_update_param_get(update, 0, NULL);
+ if (tmp == NULL) {
+ CERROR("%s: empty size for read: rc = %d\n",
+ tgt_name(tsi->tsi_tgt), -EPROTO);
+ GOTO(out, rc = err_serious(-EPROTO));
+ }
+ size = le64_to_cpu(*(size_t *)(tmp));
+
+ tmp = object_update_param_get(update, 1, NULL);
+ if (tmp == NULL) {
+ CERROR("%s: empty pos for read: rc = %d\n",
+ tgt_name(tsi->tsi_tgt), -EPROTO);
+ GOTO(out, rc = err_serious(-EPROTO));
+ }
+ pos = le64_to_cpu(*(__u64 *)(tmp));
+
+ if (size > OUT_UPDATE_REPLY_SIZE -
+ cfs_size_round((unsigned long)update_result->our_data -
+ (unsigned long)update_result) - sizeof(pos)) {
+ CERROR("%s: get %zu the biggest read size is %d: rc = %d\n",
+ tgt_name(tsi->tsi_tgt), size, OUT_UPDATE_REPLY_SIZE,
+ -EPROTO);
+ GOTO(out, rc = err_serious(-EPROTO));
+ }
+
+ /* Put the offset into the begining of the buffer in reply */
+ orr = (struct out_read_reply *)update_result->our_data;
+
+ lbuf->lb_buf = orr->orr_data;
+ lbuf->lb_len = size;
+
+ dt_read_lock(env, obj, MOR_TGT_CHILD);
+ rc = dt_read(env, obj, lbuf, &pos);
+ dt_read_unlock(env, obj);
+ orr->orr_size = rc < 0 ? 0 : rc;
+ orr->orr_offset = pos;
+
+ orr_cpu_to_le(orr, orr);
+ update_result->our_datalen += orr->orr_size;
+out:
+ /* Insert read buffer */
+ update_result->our_rc = ptlrpc_status_hton(rc);
+ reply->ourp_lens[index] = cfs_size_round(update_result->our_datalen +
+ sizeof(*update_result));
+ RETURN(rc);
+}
+
#define DEF_OUT_HNDL(opc, name, flags, fn) \
[opc - OUT_CREATE] = { \
.th_name = name, \
DEF_OUT_HNDL(OUT_INDEX_DELETE, "out_index_delete",
MUTABOR | HABEO_REFERO, out_index_delete),
DEF_OUT_HNDL(OUT_WRITE, "out_write", MUTABOR | HABEO_REFERO, out_write),
+ DEF_OUT_HNDL(OUT_READ, "out_read", HABEO_REFERO, out_read),
+
};
static struct tgt_handler *out_handler_find(__u32 opc)
dt_obd_name(ta->ta_handle->th_dev), i, ta->ta_argno, rc);
}
- /* Only fail for real update */
- tsi->tsi_reply_fail_id = OBD_FAIL_OUT_UPDATE_NET_REP;
+ /* Only fail for real updates, XXX right now llog updates will be
+ * ignore, whose updates count is usually 1, so failover test
+ * case will spot this FAIL_UPDATE_NET_REP precisely, and it will
+ * be removed after async update patch is landed. */
+ if (ta->ta_argno > 1)
+ tsi->tsi_reply_fail_id = OBD_FAIL_OUT_UPDATE_NET_REP;
+
stop:
rc1 = out_trans_stop(env, ta, rc);
if (rc == 0)
rc = out_tx_start(env, dt, ta, tsi->tsi_exp);
if (rc != 0)
GOTO(next, rc);
+
+ if (update->ou_flags & UPDATE_FL_SYNC)
+ ta->ta_handle->th_sync = 1;
}
/* Stop the current update transaction, if the update has
if (rc != 0)
GOTO(next, rc);
+ if (update->ou_flags & UPDATE_FL_SYNC)
+ ta->ta_handle->th_sync = 1;
+
current_batchid = update->ou_batchid;
}
}