[PATCH] btrfs: ctree: Add do {} while (0) in btrfs_{set|clear}_and_info

[Marcos Paulo de Souza <marcos@mpdesouza.com>]

From: Marcos Paulo de Souza <mpdesouza@suse.com>

Without this change it's not possible to use these macros and having an
if-else construction without using braces.

Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com>
---
 fs/btrfs/ctree.h | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/fs/btrfs/ctree.h b/fs/btrfs/ctree.h
index a256961c0dbe..cef0489a1523 100644
--- a/fs/btrfs/ctree.h
+++ b/fs/btrfs/ctree.h
@@ -1278,18 +1278,18 @@ static inline u32 BTRFS_MAX_XATTR_SIZE(const struct btrfs_fs_info *info)
 					 BTRFS_MOUNT_##opt)
 
 #define btrfs_set_and_info(fs_info, opt, fmt, args...)			\
-{									\
+do {									\
 	if (!btrfs_test_opt(fs_info, opt))				\
 		btrfs_info(fs_info, fmt, ##args);			\
 	btrfs_set_opt(fs_info->mount_opt, opt);				\
-}
+} while (0)
 
 #define btrfs_clear_and_info(fs_info, opt, fmt, args...)		\
-{									\
+do {									\
 	if (btrfs_test_opt(fs_info, opt))				\
 		btrfs_info(fs_info, fmt, ##args);			\
 	btrfs_clear_opt(fs_info->mount_opt, opt);			\
-}
+} while (0)
 
 /*
  * Requests for changes that need to be done during transaction commit.
-- 
2.26.2