there is a quite technical explanation at LWN
looks to me like it most useful for virtual machines. or maybe as a general backend that you write the kernel's file caching system in. though maybe i have missed something.
or could this be used like bcache? with an ssd for the cache for a large hdd.
looks to me like it most useful for virtual machines. or maybe as a general backend that you write the kernel's file caching system in. though maybe i have missed something.
or could this be used like bcache? with an ssd for the cache for a large hdd.
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