diff options
Diffstat (limited to 'block/throttle.c')
| -rw-r--r-- | block/throttle.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/block/throttle.c b/block/throttle.c index 1098a4ae9a..97972d1f15 100644 --- a/block/throttle.c +++ b/block/throttle.c @@ -84,6 +84,9 @@ static int throttle_open(BlockDriverState *bs, QDict *options, if (ret < 0) { return ret; } + + GRAPH_RDLOCK_GUARD_MAINLOOP(); + bs->supported_write_flags = bs->file->bs->supported_write_flags | BDRV_REQ_WRITE_UNCHANGED; bs->supported_zero_flags = bs->file->bs->supported_zero_flags | |