[dm-crypt] Encrypting with larger packet size

Dinesh Garg dinesh.garg at gmail.com
Tue Jan 22 05:18:50 CET 2013


Hi,

Currently dm-crypt encrypts the block device using sector size. Is it
possible to change this to use larger sizes such as 8K or 16K or larger? If
not possible currently, what would it take to make that possible i..e  what
are the problems that we need to fix?

Is it DM layer that restricts us to use larger sizes or file system due to
its block size?

I have one more question: How does a read operation ends up at calling
dm-crypt api?

Thanks,
DG
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