diff options
Diffstat (limited to 'include/sysemu/block-backend.h')
| -rw-r--r-- | include/sysemu/block-backend.h | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/include/sysemu/block-backend.h b/include/sysemu/block-backend.h index a771603bd0..1dcd70e2ca 100644 --- a/include/sysemu/block-backend.h +++ b/include/sysemu/block-backend.h @@ -63,7 +63,10 @@ typedef struct BlockDevOps { * fields that must be public. This is in particular for QLIST_ENTRY() and * friends so that BlockBackends can be kept in lists outside block-backend.c */ typedef struct BlockBackendPublic { - int dummy; /* empty structs are illegal */ + /* I/O throttling */ + /* The following fields are protected by the ThrottleGroup lock. + * See the ThrottleGroup documentation for details. */ + QLIST_ENTRY(BlockBackendPublic) round_robin; } BlockBackendPublic; BlockBackend *blk_new(Error **errp); |