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[Qemu-block] encrypt in threads


From: Vladimir Sementsov-Ogievskiy
Subject: [Qemu-block] encrypt in threads
Date: Wed, 21 Nov 2018 17:30:53 +0000

Hi Daniel!

After moving compression to threads in Qcow2 it's an obvious next step to
"threadyfy" encryption in Qcow2 too.

But it turned out to be not as simple as I assumed. If I call 
qcrypto_block_encrypt
in parallel threads with the same first argument (block), it just produce wrong
things (pattern verification fails in iotests)..

So, can you advise the way to parallelize encryption/decryption?

-- 
Best regards,
Vladimir

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