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Re: [dm-devel] PROBLEM: SSD access time with dm-crypt is way too high



09.01.2011 18:35, Michael Zugelder wrote:
from kernel 2.6.33 on (at least up to 2.6.37) the access time when using
dm-crypt on SSD is way too high. I would expect it to be a bit worse
than directly accessing the device (~0.2ms here), but currently it's at
exactly 10ms (except a few outlines). This corresponds to CONFIG_HZ=100.

I have similar problems, but 2.6.32 is also affected for me.
Look details here: https://bugzilla.kernel.org/show_bug.cgi?id=17892


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