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From: Chao Yu <yuchao0@huawei.com>
To: Satya Tangirala <satyat@google.com>,
	<linux-fscrypt@vger.kernel.org>, <linux-fsdevel@vger.kernel.org>,
	<linux-f2fs-devel@lists.sourceforge.net>,
	<linux-ext4@vger.kernel.org>
Cc: Eric Biggers <ebiggers@google.com>
Subject: Re: [f2fs-dev] [PATCH 5/5] f2fs: support direct I/O with fscrypt using blk-crypto
Date: Fri, 10 Jul 2020 09:05:23 +0800
Message-ID: <560266ca-0164-c02e-18ea-55564683d13e@huawei.com> (raw)
In-Reply-To: <20200709194751.2579207-6-satyat@google.com>

On 2020/7/10 3:47, Satya Tangirala wrote:
> From: Eric Biggers <ebiggers@google.com>
> 
> Wire up f2fs with fscrypt direct I/O support.
> 
> Signed-off-by: Eric Biggers <ebiggers@google.com>
> Signed-off-by: Satya Tangirala <satyat@google.com>
> ---
>  fs/f2fs/f2fs.h | 4 +++-
>  1 file changed, 3 insertions(+), 1 deletion(-)
> 
> diff --git a/fs/f2fs/f2fs.h b/fs/f2fs/f2fs.h
> index b35a50f4953c..6d662a37b445 100644
> --- a/fs/f2fs/f2fs.h
> +++ b/fs/f2fs/f2fs.h
> @@ -4082,7 +4082,9 @@ static inline bool f2fs_force_buffered_io(struct inode *inode,
>  	struct f2fs_sb_info *sbi = F2FS_I_SB(inode);
>  	int rw = iov_iter_rw(iter);
>  
> -	if (f2fs_post_read_required(inode))
> +	if (!fscrypt_dio_supported(iocb, iter))
> +		return true;
> +	if (fsverity_active(inode))

static inline bool f2fs_post_read_required(struct inode *inode)
{
	return f2fs_encrypted_file(inode) || fsverity_active(inode) ||
		f2fs_compressed_file(inode);
}

That's not correct, missed to check compression condition.

>  		return true;
>  	if (f2fs_is_multi_device(sbi))
>  		return true;
> 


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Thread overview: 15+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-09 19:47 [f2fs-dev] [PATCH 0/5] add support for " Satya Tangirala via Linux-f2fs-devel
2020-07-09 19:47 ` [f2fs-dev] [PATCH 1/5] fscrypt: Add functions for direct I/O support Satya Tangirala via Linux-f2fs-devel
2020-07-09 21:54   ` Eric Biggers
2020-07-09 19:47 ` [f2fs-dev] [PATCH 2/5] direct-io: add support for fscrypt using blk-crypto Satya Tangirala via Linux-f2fs-devel
2020-07-10  5:34   ` Christoph Hellwig
2020-07-13 18:36     ` Eric Biggers
2020-07-17  1:56       ` Satya Tangirala via Linux-f2fs-devel
2020-07-09 19:47 ` [f2fs-dev] [PATCH 3/5] iomap: support direct I/O with " Satya Tangirala via Linux-f2fs-devel
2020-07-09 21:59   ` Eric Biggers
2020-07-09 19:47 ` [f2fs-dev] [PATCH 4/5] ext4: " Satya Tangirala via Linux-f2fs-devel
2020-07-09 22:30   ` Eric Biggers
2020-07-09 19:47 ` [f2fs-dev] [PATCH 5/5] f2fs: " Satya Tangirala via Linux-f2fs-devel
2020-07-10  1:05   ` Chao Yu [this message]
2020-07-10  1:15     ` Eric Biggers
2020-07-09 22:46 ` [f2fs-dev] [PATCH 0/5] add support for " Eric Biggers

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