[Qemu-block] [PATCH v5 32/42] block: Make bdrv_get_cumulative_perm() public

[Max Reitz]

This is useful in other files like blockdev.c to determine for example
whether a node can be written to or not.

Signed-off-by: Max Reitz <address@hidden>
---
 include/block/block_int.h | 3 +++
 block.c                   | 6 ++----
 2 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/include/block/block_int.h b/include/block/block_int.h
index c0a05beec3..cfefb00104 100644
--- a/include/block/block_int.h
+++ b/include/block/block_int.h
@@ -1181,6 +1181,9 @@ void bdrv_root_unref_child(BdrvChild *child);
 int bdrv_child_try_set_perm(BdrvChild *c, uint64_t perm, uint64_t shared,
                             Error **errp);
 
+void bdrv_get_cumulative_perm(BlockDriverState *bs,
+                              uint64_t *perm, uint64_t *shared_perm);
+
 /* Default implementation for BlockDriver.bdrv_child_perm() that can be used by
  * block filters: Forward CONSISTENT_READ, WRITE, WRITE_UNCHANGED and RESIZE to
  * all children */
diff --git a/block.c b/block.c
index 856d9b58be..59d1d4b2b1 100644
--- a/block.c
+++ b/block.c
@@ -1711,8 +1711,6 @@ static int bdrv_child_check_perm(BdrvChild *c, 
BlockReopenQueue *q,
                                  GSList *ignore_children, Error **errp);
 static void bdrv_child_abort_perm_update(BdrvChild *c);
 static void bdrv_child_set_perm(BdrvChild *c, uint64_t perm, uint64_t shared);
-static void bdrv_get_cumulative_perm(BlockDriverState *bs, uint64_t *perm,
-                                     uint64_t *shared_perm);
 
 typedef struct BlockReopenQueueEntry {
      bool prepared;
@@ -1904,8 +1902,8 @@ static void bdrv_set_perm(BlockDriverState *bs, uint64_t 
cumulative_perms,
     }
 }
 
-static void bdrv_get_cumulative_perm(BlockDriverState *bs, uint64_t *perm,
-                                     uint64_t *shared_perm)
+void bdrv_get_cumulative_perm(BlockDriverState *bs,
+                              uint64_t *perm, uint64_t *shared_perm)
 {
     BdrvChild *c;
     uint64_t cumulative_perms = 0;
-- 
2.21.0