haraldwolff/qemu-patch-raspberry4
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block: inline bdrv_child_*() permission functions calls

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Each of them has only one caller. Open-coding simplifies further
pemission-update system changes.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Alberto Garcia <berto@igalia.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>
Message-Id: <20210428151804.439460-13-vsementsov@virtuozzo.com>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Vladimir Sementsov-Ogievskiy 2021-04-28 18:17:40 +03:00 committed by Kevin Wolf
parent 83928dc496
commit 3ef45e0242
1 changed files with 17 additions and 42 deletions
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59
block.c
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@ -1974,11 +1974,11 @@ static int bdrv_fill_options(QDict **options, const char *filename,
return 0;
}
static int bdrv_child_check_perm(BdrvChild *c, BlockReopenQueue *q,
uint64_t perm, uint64_t shared,
GSList *ignore_children, Error **errp);
static void bdrv_child_abort_perm_update(BdrvChild *c);
static void bdrv_child_set_perm(BdrvChild *c);
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 {
bool prepared;
@ -2226,15 +2226,21 @@ static int bdrv_check_perm(BlockDriverState *bs, BlockReopenQueue *q,
/* Check all children */
QLIST_FOREACH(c, &bs->children, next) {
uint64_t cur_perm, cur_shared;
GSList *cur_ignore_children;
bdrv_child_perm(bs, c->bs, c, c->role, q,
cumulative_perms, cumulative_shared_perms,
&cur_perm, &cur_shared);
ret = bdrv_child_check_perm(c, q, cur_perm, cur_shared, ignore_children,
errp);
cur_ignore_children = g_slist_prepend(g_slist_copy(ignore_children), c);
ret = bdrv_check_update_perm(c->bs, q, cur_perm, cur_shared,
cur_ignore_children, errp);
g_slist_free(cur_ignore_children);
if (ret < 0) {
return ret;
}
bdrv_child_set_perm_safe(c, cur_perm, cur_shared, NULL);
}
return 0;
@ -2261,7 +2267,8 @@ static void bdrv_abort_perm_update(BlockDriverState *bs)
}
QLIST_FOREACH(c, &bs->children, next) {
bdrv_child_abort_perm_update(c);
bdrv_child_set_perm_abort(c);
bdrv_abort_perm_update(c->bs);
}
}
@ -2290,7 +2297,8 @@ static void bdrv_set_perm(BlockDriverState *bs)
/* Update all children */
QLIST_FOREACH(c, &bs->children, next) {
bdrv_child_set_perm(c);
bdrv_child_set_perm_commit(c);
bdrv_set_perm(c->bs);
}
}
@ -2398,39 +2406,6 @@ static int bdrv_check_update_perm(BlockDriverState *bs, BlockReopenQueue *q,
ignore_children, errp);
}
/* Needs to be followed by a call to either bdrv_child_set_perm() or
* bdrv_child_abort_perm_update(). */
static int bdrv_child_check_perm(BdrvChild *c, BlockReopenQueue *q,
uint64_t perm, uint64_t shared,
GSList *ignore_children, Error **errp)
{
int ret;
ignore_children = g_slist_prepend(g_slist_copy(ignore_children), c);
ret = bdrv_check_update_perm(c->bs, q, perm, shared, ignore_children, errp);
g_slist_free(ignore_children);
if (ret < 0) {
return ret;
}
bdrv_child_set_perm_safe(c, perm, shared, NULL);
return 0;
}
static void bdrv_child_set_perm(BdrvChild *c)
{
bdrv_child_set_perm_commit(c);
bdrv_set_perm(c->bs);
}
static void bdrv_child_abort_perm_update(BdrvChild *c)
{
bdrv_child_set_perm_abort(c);
bdrv_abort_perm_update(c->bs);
}
static int bdrv_refresh_perms(BlockDriverState *bs, Error **errp)
{
int ret;