[dm-crypt] [PATCH] Speed up keyfile reading
angelomariafederichini191269 at protonmail.com
Sat Aug 19 08:31:50 CEST 2017
On 08/15/2017 09:52 AM, Milan Broz wrote:
> On 08/12/2017 08:26 PM, angelomariafederichini191269 wrote:
>> Attached you find a patch which enhances the loop to use bulk read
>> operations instead of single byte ones.
> I added slightly modified version to the master branch
> (there was a code shuffle so the function is moved to libcryptsetup internally).
> Anyway, I added handling of -EINTR for read() and code will retry instead
> of failing in this case - we have already wrapper read_buffer for that.
> I will probably backport this later for stable 1.7.6.
Thank you for your responsiveness and accepting the patch. Also thanks to Michael and Arno for the quick responses and enlightening comments about entropy in keyfiles.
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