Re: [PATCH v7 8/9] bcache: add io_disable to struct cached_dev

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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



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