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From: Christoph Hellwig <hch@infradead.org>
To: Eric Biggers <ebiggers@kernel.org>
Cc: Christoph Hellwig <hch@infradead.org>,
	linux-fscrypt@vger.kernel.org, linux-fsdevel@vger.kernel.org,
	linux-ext4@vger.kernel.org,
	linux-f2fs-devel@lists.sourceforge.net,
	linux-integrity@vger.kernel.org, linux-kernel@vger.kernel.org,
	"Theodore Y . Ts'o" <tytso@mit.edu>,
	Jaegeuk Kim <jaegeuk@kernel.org>,
	Victor Hsieh <victorhsieh@google.com>,
	Chandan Rajendra <chandan@linux.vnet.ibm.com>,
	Linus Torvalds <torvalds@linux-foundation.org>
Subject: Re: [PATCH v2 01/12] fs-verity: add a documentation file
Date: Thu, 13 Dec 2018 12:22:49 -0800	[thread overview]
Message-ID: <20181213202249.GA3797@infradead.org> (raw)
In-Reply-To: <20181212202609.GA193967@gmail.com>

On Wed, Dec 12, 2018 at 12:26:10PM -0800, Eric Biggers wrote:
> > As this apparently got merged despite no proper reviews from VFS
> > level persons:
> 
> fs-verity has been out for review since August, and Cc'ed to all relevant
> mailing lists including linux-fsdevel, linux-ext4, linux-f2fs-devel,
> linux-fscrypt, linux-integrity, and linux-kernel.  There are tests,
> documentation (since v2), and a userspace tool.  It's also been presented at
> multiple conferences, and has been covered by LWN multiple times.  If more
> people want to review it, then they should do so; there's nothing stopping them.

But you did not got a review from someone like Al, Linus, Andrew or me,
did you?

> Can you elaborate on the actual problems you think the current solution has, and
> exactly what solution you'd prefer instead?  Keep in mind that (1) for large
> files the Merkle tree can be gigabytes long, (2) Linux doesn't have an API for
> file streams, and (3) when fs-verity is combined with fscrypt, it's important
> that the hashes be encrypted, so as to not leak information about the plaintext.

Given that you alread use an ioctl as the interface what is the problem
of passing this data through the ioctl?

  reply	other threads:[~2018-12-13 20:22 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-11-01 22:52 [PATCH v2 00/12] fs-verity: read-only file-based authenticity protection Eric Biggers
2018-11-01 22:52 ` [PATCH v2 01/12] fs-verity: add a documentation file Eric Biggers
2018-12-12  9:14   ` Christoph Hellwig
2018-12-12 20:26     ` Eric Biggers
2018-12-13 20:22       ` Christoph Hellwig [this message]
2018-12-14  4:48         ` Eric Biggers
2018-12-17 16:49           ` Christoph Hellwig
2018-12-17 18:32             ` Eric Biggers
2018-12-19  7:09               ` Christoph Hellwig
2018-12-17 20:00           ` Darrick J. Wong
2018-12-19  0:16             ` Theodore Y. Ts'o
2018-12-19  2:19               ` Dave Chinner
2018-12-19 19:30                 ` Theodore Y. Ts'o
2018-12-19 21:35                   ` Dave Chinner
2018-12-20 22:01                     ` Theodore Y. Ts'o
2018-12-21  7:04                       ` Christoph Hellwig
2018-12-21 10:06                         ` Richard Weinberger
2018-12-21 15:47                         ` Theodore Y. Ts'o
2018-12-21 15:53                           ` Matthew Wilcox
2018-12-21 16:28                             ` Theodore Y. Ts'o
2018-12-21 16:34                               ` Matthew Wilcox
2018-12-21 19:13                           ` Linus Torvalds
2018-12-22  4:17                             ` Theodore Y. Ts'o
2018-12-22 22:47                               ` Linus Torvalds
2018-12-23  4:34                                 ` Theodore Y. Ts'o
2018-12-23  4:10                               ` Matthew Wilcox
2018-12-23  4:45                                 ` Theodore Y. Ts'o
2019-01-04 20:41                                   ` Daniel Colascione
2018-12-19  7:14               ` Christoph Hellwig
2018-12-19  7:11             ` Christoph Hellwig
     [not found]               ` <CAHk-=wiB8vGbje+NgNkMZupHsZ_cqg6YEBV+ZXSF4wnywFLRHQ@mail.gmail.com>
2018-12-19  7:19                 ` Christoph Hellwig
2018-12-14  5:17         ` Theodore Y. Ts'o
2018-12-14  5:39           ` Eric Biggers
2018-12-17 16:52           ` Christoph Hellwig
2018-12-17 19:15             ` Eric Biggers
2018-12-21 16:11   ` Matthew Wilcox
2018-11-01 22:52 ` [PATCH v2 02/12] fs-verity: add setup code, UAPI, and Kconfig Eric Biggers
2018-11-01 22:52 ` [PATCH v2 03/12] fs-verity: add MAINTAINERS file entry Eric Biggers
2018-11-01 22:52 ` [PATCH v2 04/12] fs-verity: add data verification hooks for ->readpages() Eric Biggers
2018-11-01 22:52 ` [PATCH v2 05/12] fs-verity: implement FS_IOC_ENABLE_VERITY ioctl Eric Biggers
2018-11-01 22:52 ` [PATCH v2 06/12] fs-verity: implement FS_IOC_MEASURE_VERITY ioctl Eric Biggers
2018-11-01 22:52 ` [PATCH v2 07/12] fs-verity: add SHA-512 support Eric Biggers
2018-11-01 22:52 ` [PATCH v2 08/12] fs-verity: add CRC-32C support Eric Biggers
2018-11-01 22:52 ` [PATCH v2 09/12] fs-verity: support builtin file signatures Eric Biggers
2018-11-01 22:52 ` [PATCH v2 10/12] ext4: add basic fs-verity support Eric Biggers
2018-11-02  9:43   ` Chandan Rajendra
2018-11-06  1:25     ` Eric Biggers
2018-11-06  6:52       ` Chandan Rajendra
2018-11-05 21:05   ` Andreas Dilger
2018-11-06  1:11     ` Eric Biggers
2018-11-01 22:52 ` [PATCH v2 11/12] ext4: add fs-verity read support Eric Biggers
2018-11-01 22:52 ` [PATCH v2 12/12] f2fs: fs-verity support Eric Biggers

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