[PATCH] libmount: define BTRFS_TEST_MAGIC if missing

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The patch below avoid the following compile error:

  libmount/src/utils.c: In function 'mnt_statfs_get_fstype':
  libmount/src/utils.c:397:7: error: 'BTRFS_TEST_MAGIC' undeclared (first use in this function)
    case BTRFS_TEST_MAGIC:  return "btrfs";
         ^
  libmount/src/utils.c:397:7: note: each undeclared identifier is reported only once for each function it appears in

Have a nice day,
Berny


From 2a5ed00775aa558a71be462c05ded86ad3e632d9 Mon Sep 17 00:00:00 2001
From: Bernhard Voelker <mail@xxxxxxxxxxxxxxxxxxx>
Date: Wed, 5 Mar 2014 11:52:13 +0100
Subject: [PATCH] libmount: define BTRFS_TEST_MAGIC if missing

* libmount/src/utils.c (BTRFS_TEST_MAGIC): Conditionally add define
which is used since commit v2.24-243-g6a52473.

Signed-off-by: Bernhard Voelker <mail@xxxxxxxxxxxxxxxxxxx>
---
 libmount/src/utils.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libmount/src/utils.c b/libmount/src/utils.c
index d402b7e..2541a22 100644
--- a/libmount/src/utils.c
+++ b/libmount/src/utils.c
@@ -333,6 +333,9 @@ int mnt_fstype_is_netfs(const char *type)
 #ifndef CONFIGFS_SUPER_MAGIC
 # define CONFIGFS_SUPER_MAGIC	0x62656570
 #endif
+#ifndef BTRFS_TEST_MAGIC
+# define BTRFS_TEST_MAGIC	0x73727279
+#endif

 const char *mnt_statfs_get_fstype(struct statfs *vfs)
 {
--
1.8.4.2

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