block/file-posix: drop unallocated_blocks_are_zero

raw_co_block_status() in block/file-posix.c never returns 0, so
unallocated_blocks_are_zero is useless (it doesn't affect the only user
of the field: bdrv_co_block_status()). Drop it.

Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20200528094405.145708-8-vsementsov@virtuozzo.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>

diff --git a/block/file-posix.c b/block/file-posix.c
index 3ab8f5a0fa7720e2ae166cda25a8c423d7abcea8..d86ea577698b91b00ab71d03bb463f73dc27c4d7 100644 (file)
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -2878,9 +2878,6 @@ static int coroutine_fn raw_co_pwrite_zeroes(
 
 static int raw_get_info(BlockDriverState *bs, BlockDriverInfo *bdi)
 {
-    BDRVRawState *s = bs->opaque;
-
-    bdi->unallocated_blocks_are_zero = s->discard_zeroes;
     return 0;
 }