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Date:   Mon, 06 May 2019 14:12:57 +0530
From:   Chandan Rajendra <>
To:     Eric Biggers <>
Subject: Re: [PATCH 07/13] fscrypt: handle blocksize < PAGE_SIZE in fscrypt_zeroout_range()

On Thursday, May 2, 2019 4:15:09 AM IST Eric Biggers wrote:
> From: Eric Biggers <>
> Adjust fscrypt_zeroout_range() to encrypt a block at a time rather than
> a page at a time, so that it works when blocksize < PAGE_SIZE.
> This isn't optimized for performance, but then again this function
> already wasn't optimized for performance.  As a future optimization, we
> could submit much larger bios here.
> This is in preparation for allowing encryption on ext4 filesystems with
> blocksize != PAGE_SIZE.
> This is based on work by Chandan Rajendra.

Looks good to me,

Reviewed-by: Chandan Rajendra <>


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