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[PATCH v3 25/36] block: drop ignore_children for permission update funct
From: |
Vladimir Sementsov-Ogievskiy |
Subject: |
[PATCH v3 25/36] block: drop ignore_children for permission update functions |
Date: |
Wed, 17 Mar 2021 17:35:18 +0300 |
This argument is always NULL. Drop it.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
---
block.c | 38 +++++++++++---------------------------
1 file changed, 11 insertions(+), 27 deletions(-)
diff --git a/block.c b/block.c
index bf60f1ea2c..922df82952 100644
--- a/block.c
+++ b/block.c
@@ -1954,7 +1954,6 @@ static int bdrv_fill_options(QDict **options, const char
*filename,
static int bdrv_check_update_perm(BlockDriverState *bs, BlockReopenQueue *q,
uint64_t new_used_perm,
uint64_t new_shared_perm,
- GSList *ignore_children,
Error **errp);
typedef struct BlockReopenQueueEntry {
@@ -2031,9 +2030,7 @@ static bool bdrv_a_allow_b(BdrvChild *a, BdrvChild *b,
Error **errp)
return false;
}
-static bool bdrv_parent_perms_conflict(BlockDriverState *bs,
- GSList *ignore_children,
- Error **errp)
+static bool bdrv_parent_perms_conflict(BlockDriverState *bs, Error **errp)
{
BdrvChild *a, *b;
@@ -2043,12 +2040,8 @@ static bool bdrv_parent_perms_conflict(BlockDriverState
*bs,
* directions.
*/
QLIST_FOREACH(a, &bs->parents, next_parent) {
- if (g_slist_find(ignore_children, a)) {
- continue;
- }
-
QLIST_FOREACH(b, &bs->parents, next_parent) {
- if (a == b || g_slist_find(ignore_children, b)) {
+ if (a == b) {
continue;
}
@@ -2276,7 +2269,6 @@ static void bdrv_replace_child_safe(BdrvChild *child,
BlockDriverState *new_bs,
static int bdrv_node_check_perm(BlockDriverState *bs, BlockReopenQueue *q,
uint64_t cumulative_perms,
uint64_t cumulative_shared_perms,
- GSList *ignore_children,
Transaction *tran, Error **errp)
{
BlockDriver *drv = bs->drv;
@@ -2359,7 +2351,6 @@ static int bdrv_check_perm_common(GSList *list,
BlockReopenQueue *q,
bool use_cumulative_perms,
uint64_t cumulative_perms,
uint64_t cumulative_shared_perms,
- GSList *ignore_children,
Transaction *tran, Error **errp)
{
int ret;
@@ -2370,7 +2361,7 @@ static int bdrv_check_perm_common(GSList *list,
BlockReopenQueue *q,
ret = bdrv_node_check_perm(bs, q, cumulative_perms,
cumulative_shared_perms,
- ignore_children, tran, errp);
+ tran, errp);
if (ret < 0) {
return ret;
}
@@ -2381,7 +2372,7 @@ static int bdrv_check_perm_common(GSList *list,
BlockReopenQueue *q,
for ( ; list; list = list->next) {
bs = list->data;
- if (bdrv_parent_perms_conflict(bs, ignore_children, errp)) {
+ if (bdrv_parent_perms_conflict(bs, errp)) {
return -EINVAL;
}
@@ -2390,7 +2381,7 @@ static int bdrv_check_perm_common(GSList *list,
BlockReopenQueue *q,
ret = bdrv_node_check_perm(bs, q, cumulative_perms,
cumulative_shared_perms,
- ignore_children, tran, errp);
+ tran, errp);
if (ret < 0) {
return ret;
}
@@ -2401,19 +2392,17 @@ static int bdrv_check_perm_common(GSList *list,
BlockReopenQueue *q,
static int bdrv_check_perm(BlockDriverState *bs, BlockReopenQueue *q,
uint64_t cumulative_perms,
- uint64_t cumulative_shared_perms,
- GSList *ignore_children, Error **errp)
+ uint64_t cumulative_shared_perms, Error **errp)
{
g_autoptr(GSList) list = bdrv_topological_dfs(NULL, NULL, bs);
return bdrv_check_perm_common(list, q, true, cumulative_perms,
- cumulative_shared_perms, ignore_children,
- NULL, errp);
+ cumulative_shared_perms, NULL, errp);
}
static int bdrv_list_refresh_perms(GSList *list, BlockReopenQueue *q,
Transaction *tran, Error **errp)
{
- return bdrv_check_perm_common(list, q, false, 0, 0, NULL, tran, errp);
+ return bdrv_check_perm_common(list, q, false, 0, 0, tran, errp);
}
/*
@@ -2542,7 +2531,6 @@ char *bdrv_perm_names(uint64_t perm)
static int bdrv_check_update_perm(BlockDriverState *bs, BlockReopenQueue *q,
uint64_t new_used_perm,
uint64_t new_shared_perm,
- GSList *ignore_children,
Error **errp)
{
BdrvChild *c;
@@ -2554,10 +2542,6 @@ static int bdrv_check_update_perm(BlockDriverState *bs,
BlockReopenQueue *q,
assert(new_shared_perm & BLK_PERM_WRITE_UNCHANGED);
QLIST_FOREACH(c, &bs->parents, next_parent) {
- if (g_slist_find(ignore_children, c)) {
- continue;
- }
-
if ((new_used_perm & c->shared_perm) != new_used_perm) {
char *user = bdrv_child_user_desc(c);
char *perm_names = bdrv_perm_names(new_used_perm &
~c->shared_perm);
@@ -2587,7 +2571,7 @@ static int bdrv_check_update_perm(BlockDriverState *bs,
BlockReopenQueue *q,
}
return bdrv_check_perm(bs, q, cumulative_perms, cumulative_shared_perms,
- ignore_children, errp);
+ errp);
}
static int bdrv_refresh_perms(BlockDriverState *bs, Error **errp)
@@ -4209,7 +4193,7 @@ int bdrv_reopen_multiple(BlockReopenQueue *bs_queue,
Error **errp)
QTAILQ_FOREACH(bs_entry, bs_queue, entry) {
BDRVReopenState *state = &bs_entry->state;
ret = bdrv_check_perm(state->bs, bs_queue, state->perm,
- state->shared_perm, NULL, errp);
+ state->shared_perm, errp);
if (ret < 0) {
goto cleanup_perm;
}
@@ -4221,7 +4205,7 @@ int bdrv_reopen_multiple(BlockReopenQueue *bs_queue,
Error **errp)
bs_queue, state->perm, state->shared_perm,
&nperm, &nshared);
ret = bdrv_check_update_perm(state->new_backing_bs, NULL,
- nperm, nshared, NULL, errp);
+ nperm, nshared, errp);
if (ret < 0) {
goto cleanup_perm;
}
--
2.29.2
- [PATCH v3 10/36] block: refactor bdrv_child* permission functions, (continued)
- [PATCH v3 10/36] block: refactor bdrv_child* permission functions, Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 12/36] block: inline bdrv_child_*() permission functions calls, Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 11/36] block: rewrite bdrv_child_try_set_perm() using bdrv_refresh_perms(), Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 17/36] block: fix bdrv_replace_node_common, Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 13/36] block: use topological sort for permission update, Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 19/36] block: add bdrv_attach_child_noperm() transaction action, Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 20/36] block: split out bdrv_replace_node_noperm(), Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 21/36] block: adapt bdrv_append() for inserting filters, Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 18/36] block: add bdrv_attach_child_common() transaction action, Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 14/36] block: add bdrv_drv_set_perm transaction action, Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 25/36] block: drop ignore_children for permission update functions,
Vladimir Sementsov-Ogievskiy <=
- [PATCH v3 23/36] block: introduce bdrv_drop_filter(), Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 22/36] block: add bdrv_remove_filter_or_cow transaction action, Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 27/36] block: make bdrv_refresh_limits() to be a transaction action, Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 32/36] block: inline bdrv_check_perm_common(), Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 26/36] block: make bdrv_unset_inherits_from to be a transaction action, Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 24/36] block/backup-top: drop .active, Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 28/36] block: add bdrv_set_backing_noperm() transaction action, Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 15/36] block: add bdrv_list_* permission update functions, Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 16/36] block: add bdrv_replace_child_safe() transaction action, Vladimir Sementsov-Ogievskiy, 2021/03/17
- [PATCH v3 29/36] block: bdrv_reopen_multiple(): move bdrv_flush to separate pre-prepare, Vladimir Sementsov-Ogievskiy, 2021/03/17