linux-ext4 - Re: [PATCH 2/4] ext4: support STATX_ATTR

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Date:   Wed, 30 Oct 2019 12:27:19 -0600
From:   Andreas Dilger <adilger@...ger.ca>
To:     Eric Biggers <ebiggers@...nel.org>
Cc:     linux-fscrypt@...r.kernel.org,
        Linux FS-devel Mailing List <linux-fsdevel@...r.kernel.org>,
        Ext4 Developers List <linux-ext4@...r.kernel.org>,
        linux-f2fs-devel@...ts.sourceforge.net, linux-api@...r.kernel.org,
        David Howells <dhowells@...hat.com>,
        Theodore Ts'o <tytso@....edu>,
        Jaegeuk Kim <jaegeuk@...nel.org>,
        Victor Hsieh <victorhsieh@...gle.com>
Subject: Re: [PATCH 2/4] ext4: support STATX_ATTR_VERITY


> On Oct 29, 2019, at 2:41 PM, Eric Biggers <ebiggers@...nel.org> wrote:
> 
> From: Eric Biggers <ebiggers@...gle.com>
> 
> Set the STATX_ATTR_VERITY bit when the statx() system call is used on a
> verity file on ext4.
> 
> Signed-off-by: Eric Biggers <ebiggers@...gle.com>

Reviewed-by: Andreas Dilger <adilger@...ger.ca>


> ---
> fs/ext4/inode.c | 5 ++++-
> 1 file changed, 4 insertions(+), 1 deletion(-)
> 
> diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
> index 516faa280ceda8..a7ca6517798008 100644
> --- a/fs/ext4/inode.c
> +++ b/fs/ext4/inode.c
> @@ -5717,12 +5717,15 @@ int ext4_getattr(const struct path *path, struct kstat *stat,
> 		stat->attributes |= STATX_ATTR_IMMUTABLE;
> 	if (flags & EXT4_NODUMP_FL)
> 		stat->attributes |= STATX_ATTR_NODUMP;
> +	if (flags & EXT4_VERITY_FL)
> +		stat->attributes |= STATX_ATTR_VERITY;
> 
> 	stat->attributes_mask |= (STATX_ATTR_APPEND |
> 				  STATX_ATTR_COMPRESSED |
> 				  STATX_ATTR_ENCRYPTED |
> 				  STATX_ATTR_IMMUTABLE |
> -				  STATX_ATTR_NODUMP);
> +				  STATX_ATTR_NODUMP |
> +				  STATX_ATTR_VERITY);
> 
> 	generic_fillattr(inode, stat);
> 	return 0;
> --
> 2.24.0.rc1.363.gb1bccd3e3d-goog
> 


Cheers, Andreas






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