On 24/02/16 06:45, Eric Wheeler wrote:

I would like to thank everyone involved in getting these patches 
mainlined.  Bcache should now be stable on the following releases:

	mainline: 4.5-rc1 (and later)
	longterm: 4.1.18
	longterm: 3.18.27

Please test on your favorite branch and let us know how it goes.

According to https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=779628#25

... these patches are now in the Debian testing ("Stretch") kernel
(currently 4.3.x based), and it suggests that they may also be applied
to Debian stable ("Jessie") - which is 3.16.x based in a future Debian
"point release".

Cheers,

Tim.