btrfs: Annotate fall-through when parsing mount option

This patch avoids that the compiler complains that a fall-through
annotation is missing when building with W=1.

Signed-off-by: Bart Van Assche <bart.vanassche@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/fs/btrfs/super.c b/fs/btrfs/super.c
index 81107ad49f3a9c75eccf2c95f9dad8d7d0a0a6f6..3e298f26a38300e014695997011d8ba47a4ac464 100644 (file)
--- a/fs/btrfs/super.c
+++ b/fs/btrfs/super.c
@@ -760,6 +760,7 @@ int btrfs_parse_options(struct btrfs_fs_info *info, char *options,
                case Opt_recovery:
                        btrfs_warn(info,
                                   "'recovery' is deprecated, use 'usebackuproot' instead");
+                       /* fall through */
                case Opt_usebackuproot:
                        btrfs_info(info,
                                   "trying to use backup root at mount time");