From: Vladimir Sementsov-Ogievskiy <vsement...@yandex-team.ru>
Only backup supports GROUPED mode. Make this logic more clear. And
avoid passing extra thing to each action.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsement...@yandex-team.ru>
Message-Id: <20230510150624.310640-5-vsement...@yandex-team.ru>
Reviewed-by: Kevin Wolf <kw...@redhat.com>
Signed-off-by: Kevin Wolf <kw...@redhat.com>
---
blockdev.c | 96 +++++++++++++-----------------------------------------
1 file changed, 22 insertions(+), 74 deletions(-)
diff --git a/blockdev.c b/blockdev.c
index dd0e98bbe1..a2ebaa5afc 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -1230,7 +1230,6 @@ struct BlkActionState {
TransactionAction *action;
const BlkActionOps *ops;
JobTxn *block_job_txn;
- TransactionProperties *txn_props;
QTAILQ_ENTRY(BlkActionState) entry;
};
@@ -1249,19 +1248,6 @@ TransactionActionDrv internal_snapshot_drv = {
.clean = internal_snapshot_clean,
};
-static int action_check_completion_mode(BlkActionState *s, Error **errp)
-{
- if (s->txn_props->completion_mode != ACTION_COMPLETION_MODE_INDIVIDUAL) {
- error_setg(errp,
- "Action '%s' does not support Transaction property "
- "completion-mode = %s",
- TransactionActionKind_str(s->action->type),
- ActionCompletionMode_str(s->txn_props->completion_mode));
- return -1;
- }
- return 0;
-}
-
static void internal_snapshot_action(BlkActionState *common,
Transaction *tran, Error **errp)
{
@@ -1284,15 +1270,9 @@ static void internal_snapshot_action(BlkActionState
*common,
tran_add(tran, &internal_snapshot_drv, state);
- /* 1. parse input */
device = internal->device;
name = internal->name;
- /* 2. check for validation */
- if (action_check_completion_mode(common, errp) < 0) {
- return;
- }
-
bs = qmp_get_root_bs(device, errp);
if (!bs) {
return;
@@ -1476,9 +1456,6 @@ static void external_snapshot_action(BlkActionState
*common, Transaction *tran,
}
/* start processing */
- if (action_check_completion_mode(common, errp) < 0) {
- return;
- }
state->old_bs = bdrv_lookup_bs(device, node_name, errp);
if (!state->old_bs) {
@@ -2022,10 +1999,6 @@ static void block_dirty_bitmap_add_action(BlkActionState
*common,
tran_add(tran, &block_dirty_bitmap_add_drv, state);
- if (action_check_completion_mode(common, errp) < 0) {
- return;
- }
-
action = common->action->u.block_dirty_bitmap_add.data;
/* AIO context taken and released within qmp_block_dirty_bitmap_add */
qmp_block_dirty_bitmap_add(action->node, action->name,
@@ -2072,10 +2045,6 @@ static void
block_dirty_bitmap_clear_action(BlkActionState *common,
tran_add(tran, &block_dirty_bitmap_clear_drv, state);
- if (action_check_completion_mode(common, errp) < 0) {
- return;
- }
-
action = common->action->u.block_dirty_bitmap_clear.data;
state->bitmap = block_dirty_bitmap_lookup(action->node,
action->name,
@@ -2123,10 +2092,6 @@ static void
block_dirty_bitmap_enable_action(BlkActionState *common,
tran_add(tran, &block_dirty_bitmap_enable_drv, state);
- if (action_check_completion_mode(common, errp) < 0) {
- return;
- }
-
action = common->action->u.block_dirty_bitmap_enable.data;
state->bitmap = block_dirty_bitmap_lookup(action->node,
action->name,
@@ -2168,10 +2133,6 @@ static void
block_dirty_bitmap_disable_action(BlkActionState *common,
tran_add(tran, &block_dirty_bitmap_disable_drv, state);
- if (action_check_completion_mode(common, errp) < 0) {
- return;
- }
-
action = common->action->u.block_dirty_bitmap_disable.data;
state->bitmap = block_dirty_bitmap_lookup(action->node,
action->name,
@@ -2213,10 +2174,6 @@ static void
block_dirty_bitmap_merge_action(BlkActionState *common,
tran_add(tran, &block_dirty_bitmap_merge_drv, state);
- if (action_check_completion_mode(common, errp) < 0) {
- return;
- }
-
action = common->action->u.block_dirty_bitmap_merge.data;
state->bitmap = block_dirty_bitmap_merge(action->node, action->target,
@@ -2241,10 +2198,6 @@ static void
block_dirty_bitmap_remove_action(BlkActionState *common,
tran_add(tran, &block_dirty_bitmap_remove_drv, state);
- if (action_check_completion_mode(common, errp) < 0) {
- return;
- }
-
action = common->action->u.block_dirty_bitmap_remove.data;
state->bitmap = block_dirty_bitmap_remove(action->node, action->name,
@@ -2348,25 +2301,6 @@ static const BlkActionOps actions_map[] = {
*/
};
-/**
- * Allocate a TransactionProperties structure if necessary, and fill
- * that structure with desired defaults if they are unset.
- */
-static TransactionProperties *get_transaction_properties(
- TransactionProperties *props)
-{
- if (!props) {
- props = g_new0(TransactionProperties, 1);
- }
-
- if (!props->has_completion_mode) {
- props->has_completion_mode = true;
- props->completion_mode = ACTION_COMPLETION_MODE_INDIVIDUAL;
- }
-
- return props;
-}
-
/*
* 'Atomic' group operations. The operations are performed as a set, and if
* any fail then we roll back all operations in the group.
@@ -2378,24 +2312,42 @@ void qmp_transaction(TransactionActionList *actions,
Error **errp)
{
TransactionActionList *act;
- bool has_properties = !!properties;
JobTxn *block_job_txn = NULL;
Error *local_err = NULL;
- Transaction *tran = tran_new();
+ Transaction *tran;
+ ActionCompletionMode comp_mode =
+ properties ? properties->completion_mode :
+ ACTION_COMPLETION_MODE_INDIVIDUAL;
GLOBAL_STATE_CODE();
/* Does this transaction get canceled as a group on failure?
* If not, we don't really need to make a JobTxn.
*/
- properties = get_transaction_properties(properties);
- if (properties->completion_mode != ACTION_COMPLETION_MODE_INDIVIDUAL) {
+ if (comp_mode != ACTION_COMPLETION_MODE_INDIVIDUAL) {
+ for (act = actions; act; act = act->next) {
+ TransactionActionKind type = act->value->type;
+
+ if (type != TRANSACTION_ACTION_KIND_BLOCKDEV_BACKUP &&
+ type != TRANSACTION_ACTION_KIND_DRIVE_BACKUP)
+ {
+ error_setg(errp,
+ "Action '%s' does not support transaction property "
+ "completion-mode = %s",
+ TransactionActionKind_str(type),
+ ActionCompletionMode_str(comp_mode));
+ return;
+ }
+ }
+
block_job_txn = job_txn_new();
}
/* drain all i/o before any operations */
bdrv_drain_all();
+ tran = tran_new();
+
/* We don't do anything in this loop that commits us to the operations */
for (act = actions; act; act = act->next) {
TransactionAction *dev_info = act->value;
@@ -2411,7 +2363,6 @@ void qmp_transaction(TransactionActionList *actions,
state->ops = ops;
state->action = dev_info;
state->block_job_txn = block_job_txn;
- state->txn_props = properties;
state->ops->action(state, tran, &local_err);
if (local_err) {
@@ -2429,9 +2380,6 @@ delete_and_fail:
/* failure, and it is all-or-none; roll back all operations */
tran_abort(tran);
exit:
- if (!has_properties) {
- qapi_free_TransactionProperties(properties);
- }
job_txn_unref(block_job_txn);
}
--
2.40.1
