Comment 0 for bug 1829563

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Dmitrii Shcherbakov (dmitriis) wrote : bcache device is accessible even if a backing device is not (writeback mode)

This is a request for a backport of the following upstream patch from 4.18:

"bcache: stop bcache device when backing device is offline"
https://github.com/torvalds/linux/commit/0f0709e6bfc3ce4e8e1c0e8573490c45f76cfeee

Field engineering uses bcache quite extensively and it would be good to have this in the GA/bionic kernel.