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);
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, NULL);
dt_write_unlock(env, dt_obj);
/**
* Ignore errors if this is LINK EA
**/
if (unlikely(rc && !strncmp(arg->u.xattr_set.name, XATTR_NAME_LINK,
strlen(XATTR_NAME_LINK))))
rc = 0;
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);
update_insert_reply(arg->reply, NULL, 0, arg->index, rc);
return rc;
}
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);
update_insert_reply(arg->reply, NULL, 0, arg->index, rc);
return rc;
}
int out_tx_end(const struct lu_env *env, struct thandle_exec_args *ta)
{
struct tgt_session_info *tsi = tgt_ses_info(env);
int i = 0, rc;
LASSERT(ta->ta_dev);
LASSERT(ta->ta_handle);
if (ta->ta_err != 0 || ta->ta_argno == 0)
GOTO(stop, rc = ta->ta_err);
rc = out_trans_start(env, ta);
if (unlikely(rc))
GOTO(stop, rc);
for (i = 0; i < ta->ta_argno; i++) {
rc = ta->ta_args[i].exec_fn(env, ta->ta_handle,
&ta->ta_args[i]);
if (unlikely(rc != 0)) {
CDEBUG(D_INFO, "error during execution of #%u from"
" %s:%d: rc = %d\n", i, ta->ta_args[i].file,
ta->ta_args[i].line, rc);
while (--i >= 0) {
if (ta->ta_args[i].undo_fn != NULL)
ta->ta_args[i].undo_fn(env,
ta->ta_handle,
&ta->ta_args[i]);
else
CERROR("%s: undo for %s:%d: rc = %d\n",
dt_obd_name(ta->ta_dev),
ta->ta_args[i].file,
ta->ta_args[i].line, -ENOTSUPP);
}
break;
}
}
/* Only fail for real update */
tsi->tsi_reply_fail_id = OBD_FAIL_OUT_UPDATE_NET_REP;
stop:
CDEBUG(D_INFO, "%s: executed %u/%u: rc = %d\n",
dt_obd_name(ta->ta_dev), i, ta->ta_argno, rc);
out_trans_stop(env, ta, rc);
ta->ta_handle = NULL;
ta->ta_argno = 0;
ta->ta_err = 0;
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_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_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 void out_reconstruct(const struct lu_env *env, struct dt_device *dt,
struct dt_object *obj, struct update_reply *reply,
int index)
{
CDEBUG(D_INFO, "%s: fork reply reply %p index %d: rc = %d\n",
dt_obd_name(dt), reply, index, 0);
update_insert_reply(reply, NULL, 0, index, 0);
return;
}
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, NULL);
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);
update_insert_reply(arg->reply, NULL, 0, arg->index, rc);
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
*/
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_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;
}
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);
update_insert_reply(arg->reply, NULL, 0, arg->index, rc);
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: insert idx insert reply %p index %d: rc = %d\n",
dt_obd_name(th->th_dev), arg->reply, arg->index, rc);
update_insert_reply(arg->reply, NULL, 0, arg->index, rc);
return rc;
}
static int out_tx_start(const struct lu_env *env, struct dt_device *dt,
struct thandle_exec_args *ta)
{
memset(ta, 0, sizeof(*ta));
ta->ta_handle = dt_trans_create(env, dt);
if (IS_ERR(ta->ta_handle)) {
CERROR("%s: start handle error: rc = %ld\n",
dt_obd_name(dt), PTR_ERR(ta->ta_handle));
return PTR_ERR(ta->ta_handle);
}
ta->ta_dev = dt;
/*For phase I, sync for cross-ref operation*/
ta->ta_handle->th_sync = 1;
return 0;
}
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_index_insert_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_index_insert(env, dt_obj, 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_start(const struct lu_env *env, struct dt_device *dt,
struct thandle_exec_args *ta, struct obd_export *exp)
{
ta->ta_argno = 0;
ta->ta_handle = dt_trans_create(env, dt);
if (IS_ERR(ta->ta_handle)) {
int rc;
rc = PTR_ERR(ta->ta_handle);
ta->ta_handle = NULL;
CERROR("%s: start handle error: rc = %d\n", dt_obd_name(dt),
rc);
return rc;
}
if (exp->exp_need_sync)
ta->ta_handle->th_sync = 1;
return 0;
}
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, NULL);
dt_write_unlock(env, dt_obj);
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"\n",
dt_obd_name(th->th_dev), PFID(lu_object_fid(&dt_obj->do_lu)),
(char *)key, PFID((struct lu_fid *)rec));
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, NULL, 0);
dt_write_unlock(env, dt_obj);
return rc;
}
static int out_tx_end(const struct lu_env *env, struct thandle_exec_args *ta,
int declare_ret)
{
struct tgt_session_info *tsi = tgt_ses_info(env);
int i;
int rc;
int rc1;
ENTRY;
if (ta->ta_handle == NULL)
RETURN(0);
if (declare_ret != 0 || ta->ta_argno == 0)
GOTO(stop, rc = declare_ret);
LASSERT(ta->ta_handle->th_dev != NULL);
rc = out_trans_start(env, ta);
if (unlikely(rc != 0))
GOTO(stop, rc);
for (i = 0; i < ta->ta_argno; i++) {
rc = ta->ta_args[i]->exec_fn(env, ta->ta_handle,
ta->ta_args[i]);
if (unlikely(rc != 0)) {
CDEBUG(D_INFO, "error during execution of #%u from"
" %s:%d: rc = %d\n", i, ta->ta_args[i]->file,
ta->ta_args[i]->line, rc);
while (--i >= 0) {
if (ta->ta_args[i]->undo_fn != NULL)
ta->ta_args[i]->undo_fn(env,
ta->ta_handle,
ta->ta_args[i]);
else
CERROR("%s: undo for %s:%d: rc = %d\n",
dt_obd_name(ta->ta_handle->th_dev),
ta->ta_args[i]->file,
ta->ta_args[i]->line, -ENOTSUPP);
}
break;
}
CDEBUG(D_INFO, "%s: executed %u/%u: rc = %d\n",
dt_obd_name(ta->ta_handle->th_dev), i, ta->ta_argno, rc);
}
/* 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 = rc1;
ta->ta_handle = NULL;
ta->ta_argno = 0;
RETURN(rc);
}
