In preparation to enabling -Wimplicit-fallthrough, mark switch casesReviewed-by: Michael Lyle <mlyle@xxxxxxxx>
where we are expecting to fall through.
Cc: Kent Overstreet <kent.overstreet@xxxxxxxxx>
Cc: Shaohua Li <shli@xxxxxxxxxx>
Cc: linux-bcache@xxxxxxxxxxxxxxx
Cc: linux-raid@xxxxxxxxxxxxxxx
Signed-off-by: Gustavo A. R. Silva <gustavo@xxxxxxxxxxxxxx