From: Chandan Rajendra <chandan@linux.vnet.ibm.com>
To: "Theodore Y. Ts'o" <tytso@mit.edu>
Cc: linux-fscrypt@vger.kernel.org, ebiggers3@gmail.com,
linux-ext4@vger.kernel.org, linux-fsdevel@vger.kernel.org
Subject: Re: [RFC PATCH V3 07/12] mpage_readpage[s]: Introduce post process callback parameters
Date: Mon, 28 May 2018 11:05:52 +0530 [thread overview]
Message-ID: <4837046.FSMeUsGny4@dhcp-9-109-247-5> (raw)
In-Reply-To: <20180525200121.GA4613@thunk.org>
On Saturday, May 26, 2018 1:31:21 AM IST Theodore Y. Ts'o wrote:
> On Tue, May 22, 2018 at 09:31:05PM +0530, Chandan Rajendra wrote:
> > This commit introduces a new parameter to mpage_readpage[s]()
> > functions. This parameter contains pointers to functions that can be
> > used to decrypt data read from the backing device. These are stored in
> > the fscrypt_ctx structure and one of these functions is invoked after
> > the read operation is completed.
> >
> > Signed-off-by: Chandan Rajendra <chandan@linux.vnet.ibm.com>
>
> Can you describe more of what you are doing here; specifically, you
> deleted all of fs/ext4/readpage.c --- was this because you moved
> functionality back into fs/mpage.c? Did you make sure all of the
> local changes in fs/ext4/readpage was moved back to fs/mpage.c?
>
> If the goal is to refactor code to remove the need for
> fs/ext4/readpage.c, you should probably make that be the first patch
> as a prerequisite patch. And we then need to make sure we don't
> accidentally break anyone else who might be using fs/mpage.c. Saying
> a bit more about why you think the refactor is a good thing would also
> be useful.
I will split this patch into two as suggested by you. Also, I will update
the commit messages.
The patchset was based on next-20180503 tree. You can obtain it from
"https://github.com/chandanr/linux.git ext4-encryption"
--
chandan
next prev parent reply other threads:[~2018-05-28 5:34 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-05-22 16:00 [RFC PATCH V3 00/12] Ext4 encryption support for blocksize < pagesize Chandan Rajendra
2018-05-22 16:00 ` [RFC PATCH V3 01/12] ext4: Clear BH_Uptodate flag on decryption error Chandan Rajendra
2018-05-22 16:01 ` [RFC PATCH V3 02/12] Rename fscrypt_do_page_crypto to fscrypt_do_block_crypto Chandan Rajendra
2018-05-22 16:01 ` [RFC PATCH V3 03/12] fscrypt_decrypt_page: Decrypt all blocks in a page Chandan Rajendra
2018-05-22 16:01 ` [RFC PATCH V3 04/12] __fscrypt_decrypt_bio: Fix page offset and len args to fscrypt_decrypt_page Chandan Rajendra
2018-05-22 16:01 ` [RFC PATCH V3 05/12] ext4: Decrypt all boundary blocks when doing buffered write Chandan Rajendra
2018-05-22 16:01 ` [RFC PATCH V3 06/12] ext4: Decrypt the block that needs to be partially zeroed Chandan Rajendra
2018-05-22 16:01 ` [RFC PATCH V3 07/12] mpage_readpage[s]: Introduce post process callback parameters Chandan Rajendra
2018-05-25 20:01 ` Theodore Y. Ts'o
2018-05-28 5:35 ` Chandan Rajendra [this message]
2018-05-28 19:34 ` Theodore Y. Ts'o
2018-05-29 3:04 ` Chandan Rajendra
2018-05-29 17:53 ` Eric Biggers
2018-05-30 3:09 ` Chandan Rajendra
2018-05-30 5:06 ` Theodore Y. Ts'o
2018-05-30 11:33 ` Chandan Rajendra
2018-05-30 16:02 ` Theodore Y. Ts'o
2018-06-04 10:09 ` Chandan Rajendra
2018-05-22 16:01 ` [RFC PATCH V3 08/12] fscrypt_zeroout_range: Encrypt all zeroed out blocks of a page Chandan Rajendra
2018-05-22 16:01 ` [RFC PATCH V3 09/12] fscrypt_encrypt_page: Encrypt all blocks mapped by " Chandan Rajendra
2018-05-22 16:01 ` [RFC PATCH V3 10/12] ext4: Fix block number passed to fscrypt_encrypt_page Chandan Rajendra
2018-05-22 16:01 ` [RFC PATCH V3 11/12] ext4: Move encryption code into its own function Chandan Rajendra
2018-05-22 16:01 ` [RFC PATCH V3 12/12] ext4: Enable encryption for blocksize less than page size Chandan Rajendra
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