[Qemu-block] [PATCH] block/mirror: fix broken sparseness detection

[John Snow]

int64_t is in all likelihood the actual scalar type we want.
Yep, really.

Fixes: https://bugzilla.redhat.com/show_bug.cgi?id=1219541

Signed-off-by: John Snow <address@hidden>
---
 block/mirror.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/mirror.c b/block/mirror.c
index ca8547b..7b4cfbd 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -386,7 +386,7 @@ static uint64_t coroutine_fn 
mirror_iteration(MirrorBlockJob *s)
                             nb_chunks * sectors_per_chunk);
     bitmap_set(s->in_flight_bitmap, sector_num / sectors_per_chunk, nb_chunks);
     while (nb_chunks > 0 && sector_num < end) {
-        int ret;
+        int64_t ret;
         int io_sectors, io_sectors_acct;
         BlockDriverState *file;
         enum MirrorMethod {
-- 
2.9.3