throttle: Support compressed writes

Signed-off-by: Max Reitz <mreitz@redhat.com>
Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Andrey Shinkevich <andrey.shinkevich@virtuozzo.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>

diff --git a/block/throttle.c b/block/throttle.c
index 1c1ac57..b21ee42 100644 (file)
--- a/block/throttle.c
+++ b/block/throttle.c
@@ -151,6 +151,15 @@ static int coroutine_fn throttle_co_pdiscard(BlockDriverState *bs,
     return bdrv_co_pdiscard(bs->file, offset, bytes);
 }
 
+static int coroutine_fn throttle_co_pwritev_compressed(BlockDriverState *bs,
+                                                       uint64_t offset,
+                                                       uint64_t bytes,
+                                                       QEMUIOVector *qiov)
+{
+    return throttle_co_pwritev(bs, offset, bytes, qiov,
+                               BDRV_REQ_WRITE_COMPRESSED);
+}
+
 static int throttle_co_flush(BlockDriverState *bs)
 {
     return bdrv_co_flush(bs->file->bs);
@@ -243,6 +252,7 @@ static BlockDriver bdrv_throttle = {
 
     .bdrv_co_pwrite_zeroes              =   throttle_co_pwrite_zeroes,
     .bdrv_co_pdiscard                   =   throttle_co_pdiscard,
+    .bdrv_co_pwritev_compressed         =   throttle_co_pwritev_compressed,
 
     .bdrv_attach_aio_context            =   throttle_attach_aio_context,
     .bdrv_detach_aio_context            =   throttle_detach_aio_context,