Disable buffer cache invalidation on non-linux hosts

The BLKFLSBUF ioctl is Linux-specific.

Signed-off-by: Christoph Egger <Christoph.Egger@amd.com>

diff --git a/block-raw-posix.c b/block-raw-posix.c
index f705c51cfadb3f1c5d2696036d802d9cb439db24..0237039a6ba70a7b230bbc3063b528a6bfeed9f1 100644 (file)
--- a/block-raw-posix.c
+++ b/block-raw-posix.c
@@ -793,7 +793,7 @@ static void raw_close(BlockDriverState *bs)
 {
     BDRVRawState *s = bs->opaque;
     if (s->fd >= 0) {
-#ifndef CONFIG_STUBDOM
+#if defined(__linux__) && !defined(CONFIG_STUBDOM)
         /* Invalidate buffer cache for this device. */
         ioctl(s->fd, BLKFLSBUF, 0);
 #endif