diff options
| -rw-r--r-- | block/replication.c | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/block/replication.c b/block/replication.c index 22f170fd33..bf3c395eb4 100644 --- a/block/replication.c +++ b/block/replication.c @@ -155,6 +155,18 @@ static void replication_close(BlockDriverState *bs) replication_remove(s->rs); } +static void replication_child_perm(BlockDriverState *bs, BdrvChild *c, + const BdrvChildRole *role, + uint64_t perm, uint64_t shared, + uint64_t *nperm, uint64_t *nshared) +{ + *nperm = *nshared = BLK_PERM_CONSISTENT_READ \ + | BLK_PERM_WRITE \ + | BLK_PERM_WRITE_UNCHANGED; + + return; +} + static int64_t replication_getlength(BlockDriverState *bs) { return bdrv_getlength(bs->file->bs); @@ -660,7 +672,7 @@ BlockDriver bdrv_replication = { .bdrv_open = replication_open, .bdrv_close = replication_close, - .bdrv_child_perm = bdrv_filter_default_perms, + .bdrv_child_perm = replication_child_perm, .bdrv_getlength = replication_getlength, .bdrv_co_readv = replication_co_readv, |