[PULL 22/28] block: detect DKIOCGETBLOCKCOUNT/SIZE before use

[Paolo Bonzini]

From: Joelle van Dyne <j@getutm.app>

iOS hosts do not have these defined so we fallback to the
default behaviour.

Co-authored-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Joelle van Dyne <j@getutm.app>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 block/file-posix.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/block/file-posix.c b/block/file-posix.c
index f16d987c07..74b8216077 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -2341,7 +2341,7 @@ again:
             }
         }
 #endif
-#if defined(__APPLE__) && defined(__MACH__)
+#if defined(DKIOCGETBLOCKCOUNT) && defined(DKIOCGETBLOCKSIZE)
         if (size == 0) {
             uint64_t sectors = 0;
             uint32_t sector_size = 0;
-- 
2.31.1