os/filestore: silence compiling warnings

silence warnings like
```
src/os/filestore/FileStore.h:55:27: comparison between signed and
unsigned integer expressions [-Wsign-compare]
^
/srv/autobuild-ceph/gitbuilder.git/build/out~/ceph-11.0.0-1566-ga98ddf7/src/os/filestore/BtrfsFileStoreBackend.cc:269:29:
note: in expansion of macro ‘BTRFS_SUPER_MAGIC’
if (currentfs.f_type == BTRFS_SUPER_MAGIC && basest.st_dev != st.st_dev)
{
^
```

Signed-off-by: Kefu Chai <kchai@redhat.com>

diff --git a/src/os/filestore/FileStore.h b/src/os/filestore/FileStore.h
index 7bfc8bc60ce5fdd017c8c4d2bbf4b56156786553..e8dd514cada19de2ba1c666eaf708b86e8153b76 100644 (file)
--- a/src/os/filestore/FileStore.h
+++ b/src/os/filestore/FileStore.h
@@ -52,13 +52,13 @@ using namespace std;
 
 #if defined(__linux__)
 # ifndef BTRFS_SUPER_MAGIC
-#define BTRFS_SUPER_MAGIC 0x9123683E
+#define BTRFS_SUPER_MAGIC 0x9123683EL
 # endif
 # ifndef XFS_SUPER_MAGIC
-#define XFS_SUPER_MAGIC 0x58465342
+#define XFS_SUPER_MAGIC 0x58465342L
 # endif
 # ifndef ZFS_SUPER_MAGIC
-#define ZFS_SUPER_MAGIC 0x2fc12fc1
+#define ZFS_SUPER_MAGIC 0x2fc12fc1L
 # endif
 #endif