From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
To: qemu-block@nongnu.org
Cc: qemu-devel@nongnu.org, armbru@redhat.com, fam@euphon.net,
stefanha@redhat.com, vsementsov@virtuozzo.com, jsnow@redhat.com,
mreitz@redhat.com, kwolf@redhat.com
Subject: [PATCH v3 25/36] block: drop ignore_children for permission update functions
Date: Wed, 17 Mar 2021 17:35:18 +0300 [thread overview]
Message-ID: <20210317143529.615584-26-vsementsov@virtuozzo.com> (raw)
In-Reply-To: <20210317143529.615584-1-vsementsov@virtuozzo.com>
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
next prev parent reply other threads:[~2021-03-17 14:58 UTC|newest]
Thread overview: 62+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-17 14:34 [PATCH v3 00/36] block: update graph permissions update Vladimir Sementsov-Ogievskiy
2021-03-17 14:34 ` [PATCH v3 01/36] tests/test-bdrv-graph-mod: add test_parallel_exclusive_write Vladimir Sementsov-Ogievskiy
2021-04-23 12:25 ` Kevin Wolf
2021-04-23 12:46 ` Vladimir Sementsov-Ogievskiy
2021-04-23 12:59 ` Kevin Wolf
2021-04-23 13:03 ` Vladimir Sementsov-Ogievskiy
2021-03-17 14:34 ` [PATCH v3 02/36] tests/test-bdrv-graph-mod: add test_parallel_perm_update Vladimir Sementsov-Ogievskiy
2021-03-17 14:34 ` [PATCH v3 03/36] tests/test-bdrv-graph-mod: add test_append_greedy_filter Vladimir Sementsov-Ogievskiy
2021-03-17 14:34 ` [PATCH v3 04/36] block: bdrv_append(): don't consume reference Vladimir Sementsov-Ogievskiy
2021-04-07 17:46 ` Alberto Garcia
2021-04-23 14:11 ` Kevin Wolf
2021-03-17 14:34 ` [PATCH v3 05/36] block: BdrvChildClass: add .get_parent_aio_context handler Vladimir Sementsov-Ogievskiy
2021-04-12 15:06 ` Alberto Garcia
2021-03-17 14:34 ` [PATCH v3 06/36] block: drop ctx argument from bdrv_root_attach_child Vladimir Sementsov-Ogievskiy
2021-04-12 14:23 ` Alberto Garcia
2021-03-17 14:35 ` [PATCH v3 07/36] block: make bdrv_reopen_{prepare, commit, abort} private Vladimir Sementsov-Ogievskiy via
2021-03-17 14:35 ` [PATCH v3 08/36] util: add transactions.c Vladimir Sementsov-Ogievskiy
2021-04-23 14:43 ` Kevin Wolf
2021-03-17 14:35 ` [PATCH v3 09/36] block: bdrv_refresh_perms: check for parents permissions conflict Vladimir Sementsov-Ogievskiy
2021-04-12 15:57 ` Alberto Garcia
2021-03-17 14:35 ` [PATCH v3 10/36] block: refactor bdrv_child* permission functions Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 11/36] block: rewrite bdrv_child_try_set_perm() using bdrv_refresh_perms() Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 12/36] block: inline bdrv_child_*() permission functions calls Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 13/36] block: use topological sort for permission update Vladimir Sementsov-Ogievskiy
2021-03-17 16:50 ` Alberto Garcia
2021-03-17 14:35 ` [PATCH v3 14/36] block: add bdrv_drv_set_perm transaction action Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 15/36] block: add bdrv_list_* permission update functions Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 16/36] block: add bdrv_replace_child_safe() transaction action Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 17/36] block: fix bdrv_replace_node_common Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 18/36] block: add bdrv_attach_child_common() transaction action Vladimir Sementsov-Ogievskiy
2021-04-26 16:14 ` Kevin Wolf
2021-04-26 16:56 ` Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 19/36] block: add bdrv_attach_child_noperm() " Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 20/36] block: split out bdrv_replace_node_noperm() Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 21/36] block: adapt bdrv_append() for inserting filters Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 22/36] block: add bdrv_remove_filter_or_cow transaction action Vladimir Sementsov-Ogievskiy
2021-04-26 16:26 ` Kevin Wolf
2021-04-26 17:18 ` Vladimir Sementsov-Ogievskiy
2021-04-27 11:09 ` Kevin Wolf
2021-04-27 11:41 ` Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 23/36] block: introduce bdrv_drop_filter() Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 24/36] block/backup-top: drop .active Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` Vladimir Sementsov-Ogievskiy [this message]
2021-03-17 14:35 ` [PATCH v3 26/36] block: make bdrv_unset_inherits_from to be a transaction action Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 27/36] block: make bdrv_refresh_limits() " Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 28/36] block: add bdrv_set_backing_noperm() " Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 29/36] block: bdrv_reopen_multiple(): move bdrv_flush to separate pre-prepare Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 30/36] block: bdrv_reopen_multiple: refresh permissions on updated graph Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 31/36] block: drop unused permission update functions Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 32/36] block: inline bdrv_check_perm_common() Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 33/36] block: inline bdrv_replace_child() Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 34/36] block: refactor bdrv_child_set_perm_safe() transaction action Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 35/36] block: rename bdrv_replace_child_safe() to bdrv_replace_child() Vladimir Sementsov-Ogievskiy
2021-03-17 14:35 ` [PATCH v3 36/36] block: refactor bdrv_node_check_perm() Vladimir Sementsov-Ogievskiy
2021-03-17 15:21 ` [PATCH v3 00/36] block: update graph permissions update no-reply
2021-03-17 15:38 ` Vladimir Sementsov-Ogievskiy
2021-03-17 17:33 ` Eric Blake
2021-03-17 17:42 ` Eric Blake
2021-03-18 8:04 ` Vladimir Sementsov-Ogievskiy
2021-04-23 8:34 ` Kevin Wolf
2021-04-23 16:16 ` Kevin Wolf
2021-04-28 11:28 ` Kevin Wolf
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