On 2018/4/27 4:32 AM, Eric Wheeler wrote: >> Hi Coly, >> >> I'm sure you've been busy with the v4.17 merge but I thought I >> would check in: >> >> Have you had a chance to look at this? It is an opportunity to fix this >> 4k bug for the future since we can still reproduce the error. >> >>>>> bcache: bch_count_io_errors() dm-6: IO error on reading from cache, recovering <<< >> >> What do you think, is there data corruption exposure here since 4.1.49 >> still has the dirty-cache-recorvery bug? > > I just noticed that "bcache: only permit to recovery read error when cache > device is clean" is in v4.1.49, but would this recover gracefully in the > 4k error situation? > >> Also, would your failure-recovery patch series address this type of >> failure? Hi Eric, I just find a time slot to compose a patch checking 4K alignment of I/Os to backing device. After testing and first glance at the messages, I will post it out. Coly Li -- To unsubscribe from this list: send the line "unsubscribe linux-bcache" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
