On 02/27/2018 08:55 AM, Coly Li wrote: > If a bcache device is configured to writeback mode, current code does not > handle write I/O errors on backing devices properly. > > In writeback mode, write request is written to cache device, and > latter being flushed to backing device. If I/O failed when writing from > cache device to the backing device, bcache code just ignores the error and > upper layer code is NOT noticed that the backing device is broken. lgtm, applied