Hi pals, I'm now looking into zfs source and have been puzzled about 128-bit. It's announced that ZFS is an 128-bit file system. But what does 128-bit mean? Does that mean the addressing capability is 2^128? But in the source, 'zp_size' (in 'struct znode_phys'), the file size in bytes, is defined as uint64_t. So I guess 128-bit may be the bit width of the zpool pointer, but where is it defined?
Regards, Wu Shu
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