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From: Eric Biggers <ebiggers@kernel.org>
To: linux-fscrypt@vger.kernel.org
Cc: Theodore Ts'o <tytso@mit.edu>,
	linux-api@vger.kernel.org,
	linux-f2fs-devel@lists.sourceforge.net,
	David Howells <dhowells@redhat.com>,
	linux-fsdevel@vger.kernel.org, Jaegeuk Kim <jaegeuk@kernel.org>,
	linux-ext4@vger.kernel.org, Victor Hsieh <victorhsieh@google.com>
Subject: Re: [f2fs-dev] [PATCH 0/4] statx: expose the fs-verity bit
Date: Wed, 6 Nov 2019 13:57:20 -0800	[thread overview]
Message-ID: <20191106215719.GD139580@gmail.com> (raw)
In-Reply-To: <20191029204141.145309-1-ebiggers@kernel.org>

On Tue, Oct 29, 2019 at 01:41:37PM -0700, Eric Biggers wrote:
> This patchset exposes the verity bit (a.k.a. FS_VERITY_FL) via statx().
> 
> This is useful because it allows applications to check whether a file is
> a verity file without opening it.  Opening a verity file can be
> expensive because the fsverity_info is set up on open, which involves
> parsing metadata and optionally verifying a cryptographic signature.
> 
> This is analogous to how various other bits are exposed through both
> FS_IOC_GETFLAGS and statx(), e.g. the encrypt bit.
> 
> This patchset applies to v5.4-rc5.
> 
> Eric Biggers (4):
>   statx: define STATX_ATTR_VERITY
>   ext4: support STATX_ATTR_VERITY
>   f2fs: support STATX_ATTR_VERITY
>   docs: fs-verity: mention statx() support
> 
>  Documentation/filesystems/fsverity.rst | 8 ++++++++
>  fs/ext4/inode.c                        | 5 ++++-
>  fs/f2fs/file.c                         | 5 ++++-
>  include/linux/stat.h                   | 3 ++-
>  include/uapi/linux/stat.h              | 2 +-
>  5 files changed, 19 insertions(+), 4 deletions(-)
> 

Any more comments on this?

- Eric


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  parent reply	other threads:[~2019-11-06 21:57 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-10-29 20:41 [f2fs-dev] [PATCH 0/4] statx: expose the fs-verity bit Eric Biggers
2019-10-29 20:41 ` [f2fs-dev] [PATCH 1/4] statx: define STATX_ATTR_VERITY Eric Biggers
2019-11-07  1:44   ` Darrick J. Wong
2019-11-07 22:02     ` [f2fs-dev] [man-pages RFC PATCH] statx.2: document STATX_ATTR_VERITY Eric Biggers
2019-11-08  0:47       ` Darrick J. Wong
     [not found]       ` <5DC525E8.4060705@bfs.de>
2019-11-08 19:35         ` Eric Biggers
     [not found]           ` <5DC714DB.9060007@bfs.de>
2019-11-13 20:31             ` Eric Biggers
2019-11-07 22:12     ` [f2fs-dev] [PATCH 1/4] statx: define STATX_ATTR_VERITY Eric Biggers
2019-10-29 20:41 ` [f2fs-dev] [PATCH 2/4] ext4: support STATX_ATTR_VERITY Eric Biggers
2019-10-29 20:41 ` [f2fs-dev] [PATCH 3/4] f2fs: " Eric Biggers
2019-10-29 20:41 ` [f2fs-dev] [PATCH 4/4] docs: fs-verity: mention statx() support Eric Biggers
2019-11-06 21:57 ` Eric Biggers [this message]
2019-11-13 20:20 ` [f2fs-dev] [PATCH 0/4] statx: expose the fs-verity bit Eric Biggers

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