commit 3ef45e0242671745a6e9921e200d9dc3299aa222
author Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Wed Apr 28 18:17:40 2021 +0300
committer Kevin Wolf <kwolf@redhat.com> Fri Apr 30 12:27:48 2021 +0200
tree 772a61ea74f4c5fd6a3df716e43308d73b1e220f
parent 83928dc4968284c8c0c56c8186c5a789b794ef5a

block: inline bdrv_child_*() permission functions calls

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>

block.c

diff --git a/block.c b/block.c
index 4511766..e5af4cd 100644
--- a/block.c
+++ b/block.c
@@ -1974,11 +1974,11 @@
     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 @@
     /* 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 @@
     }
 
     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 @@
 
     /* 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 @@
                            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;