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Date:   Thu, 9 Jul 2020 14:59:23 -0700
From:   Eric Biggers <>
To:     Satya Tangirala <>
Subject: Re: [PATCH 3/5] iomap: support direct I/O with fscrypt using

On Thu, Jul 09, 2020 at 07:47:49PM +0000, Satya Tangirala wrote:
> From: Eric Biggers <>
> Wire up iomap direct I/O with the fscrypt additions for direct I/O,
> and set bio crypt contexts on bios when appropriate.

It might be useful to mention why the calls to fscrypt_limit_dio_pages() are
needed.  (It's because the iomap code works directly with logical ranges, so it
doesn't have a chance to do fscrypt_mergeable_bio() on every page.)

> Signed-off-by: Eric Biggers <>
> Signed-off-by: Satya Tangirala <>
> ---
>  fs/iomap/direct-io.c | 8 ++++++++
>  1 file changed, 8 insertions(+)

You probably should add to Cc, as per
'./scripts/ fs/iomap/'.

- Eric

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