diff options
Diffstat (limited to '')
| -rw-r--r-- | block.c | 8 | ||||
| -rwxr-xr-x | tests/qemu-iotests/tests/migrate-during-backup | 2 |
2 files changed, 9 insertions, 1 deletions
diff --git a/block.c b/block.c index 00982edf45..5ce08a79fd 100644 --- a/block.c +++ b/block.c @@ -6326,6 +6326,7 @@ static int bdrv_inactivate_recurse(BlockDriverState *bs) { BdrvChild *child, *parent; int ret; + uint64_t cumulative_perms, cumulative_shared_perms; if (!bs->drv) { return -ENOMEDIUM; @@ -6356,6 +6357,13 @@ static int bdrv_inactivate_recurse(BlockDriverState *bs) } } + bdrv_get_cumulative_perm(bs, &cumulative_perms, + &cumulative_shared_perms); + if (cumulative_perms & (BLK_PERM_WRITE | BLK_PERM_WRITE_UNCHANGED)) { + /* Our inactive parents still need write access. Inactivation failed. */ + return -EPERM; + } + bs->open_flags |= BDRV_O_INACTIVE; /* diff --git a/tests/qemu-iotests/tests/migrate-during-backup b/tests/qemu-iotests/tests/migrate-during-backup index 1046904c5a..34103229ee 100755 --- a/tests/qemu-iotests/tests/migrate-during-backup +++ b/tests/qemu-iotests/tests/migrate-during-backup @@ -1,5 +1,5 @@ #!/usr/bin/env python3 -# group: migration disabled +# group: migration # # Copyright (c) 2021 Virtuozzo International GmbH # |