On 07.09.2013, Marko Vojinovic wrote: > Btw, what is the default for this option in Fedora, on or off? If the > default is on, how to turn it off in the cleanest possible way? Enabling CONFIG_BCACHE alone doesn't do anything to your SSD. You have to set up and register the devices you want to use in order to use bcache. Don't panic, all is good :-)