[RFC 2/3] block/file-posix: Detect XFS with CONFIG_FALLOCATE

[Max Reitz]

We will need this for the next patch.

Signed-off-by: Max Reitz <mre...@redhat.com>
---
 block/file-posix.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/block/file-posix.c b/block/file-posix.c
index 695fcf740d..5cd54c8bff 100644
--- a/block/file-posix.c
+++ b/block/file-posix.c
@@ -149,7 +149,7 @@ typedef struct BDRVRawState {
     int perm_change_flags;
     BDRVReopenState *reopen_state;
 
-#ifdef CONFIG_XFS
+#if defined(CONFIG_XFS) || defined(CONFIG_FALLOCATE)
     bool is_xfs:1;
 #endif
     bool has_discard:1;
@@ -667,7 +667,7 @@ static int raw_open_common(BlockDriverState *bs, QDict 
*options,
     }
 #endif
 
-#ifdef CONFIG_XFS
+#if defined(CONFIG_XFS) || defined(CONFIG_FALLOCATE)
     if (platform_test_xfs_fd(s->fd)) {
         s->is_xfs = true;
     }
-- 
2.21.0