Re: [PATCH] fscrypt: optimize fscrypt_zeroout_range()

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On Thu, Dec 26, 2019 at 10:08:13AM -0600, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@xxxxxxxxxx>
> 
> Currently fscrypt_zeroout_range() issues and waits on a bio for each
> block it writes, which makes it very slow.
> 
> Optimize it to write up to 16 pages at a time instead.
> 
> Also add a function comment, and improve reliability by allowing the
> allocations of the bio and the first ciphertext page to wait on the
> corresponding mempools.
> 
> Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>

Looks good, feel free to add:

Reviewed-by: Theodore Ts'o <tytso@xxxxxxx>




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