Hello Jens, This patch series suppresses the compiler warnings that are reported when building the CFQ I/O scheduler with W=1. Please consider these patches for kernel v4.19. Thanks, Bart. Bart Van Assche (2): cfq: Annotate fall-through in a switch statement cfq: Suppress compiler warnings about comparisons block/cfq-iosched.c | 23 +++++++++++++---------- 1 file changed, 13 insertions(+), 10 deletions(-) -- 2.18.0