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Message-ID: <ZAeTqGnVDJxnH/3j@sol.localdomain>
Date:   Tue, 7 Mar 2023 11:42:32 -0800
From:   Eric Biggers <ebiggers@...nel.org>
To:     linux-fscrypt@...r.kernel.org
Cc:     linux-ext4@...r.kernel.org, Matthew Wilcox <willy@...radead.org>
Subject: Re: [PATCH] fs/buffer.c: use b_folio for fscrypt work

On Fri, Feb 24, 2023 at 03:25:03PM -0800, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@...gle.com>
> 
> Use b_folio now that it exists.  This removes an unnecessary call to
> compound_head().  No actual change in behavior.
> 
> Signed-off-by: Eric Biggers <ebiggers@...gle.com>
> ---
>  fs/buffer.c | 4 ++--
>  1 file changed, 2 insertions(+), 2 deletions(-)
> 
> diff --git a/fs/buffer.c b/fs/buffer.c
> index 034bece27163..d759b105c1e7 100644
> --- a/fs/buffer.c
> +++ b/fs/buffer.c
> @@ -330,8 +330,8 @@ static void decrypt_bh(struct work_struct *work)
>  	struct buffer_head *bh = ctx->bh;
>  	int err;
>  
> -	err = fscrypt_decrypt_pagecache_blocks(page_folio(bh->b_page),
> -					       bh->b_size, bh_offset(bh));
> +	err = fscrypt_decrypt_pagecache_blocks(bh->b_folio, bh->b_size,
> +					       bh_offset(bh));
>  	if (err == 0 && need_fsverity(bh)) {
>  		/*
>  		 * We use different work queues for decryption and for verity

Applied to https://git.kernel.org/pub/scm/fs/fscrypt/linux.git/log/?h=for-next

- Eric

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