1. A method of operating a memory device, the method comprising: disabling dynamic adjustment of a physical size of a memory cache of the memory device in response to determining that a file system on the memory device does not support dynamic cache size adjustment; and enabling the disabled dynamic adjustment of the physical size of the memory cache in response to receiving a command that allows for the dynamic adjustment of the physical size of the memory cache regardless of the file system on the memory device not supporting dynamic cache size adjustment.