blkcache
blkcache.plugin
nbdkit Python plugin implementing a sparse on-disk cache.
BLKGETSIZE64
<linux/fs.h>
blkcache.main
blkcache – CLI entry-point.
blkcache.server
blkcache.server – userspace read-through cache via nbdkit + nbdfuse.
BLKGETSIZE64
ioctl: get device byte-length