linux-kernel - Re: [PATCH 76/79] apparmor: switch to new ctime accessors

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Date:   Thu, 22 Jun 2023 02:04:16 -0700
From:   John Johansen <john.johansen@...onical.com>
To:     Jeff Layton <jlayton@...nel.org>,
        Christian Brauner <brauner@...nel.org>,
        Paul Moore <paul@...l-moore.com>,
        James Morris <jmorris@...ei.org>,
        "Serge E. Hallyn" <serge@...lyn.com>
Cc:     Al Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.cz>,
        apparmor@...ts.ubuntu.com, linux-security-module@...r.kernel.org,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 76/79] apparmor: switch to new ctime accessors

On 6/21/23 07:46, Jeff Layton wrote:
> In later patches, we're going to change how the ctime.tv_nsec field is
> utilized. Switch to using accessor functions instead of raw accesses of
> inode->i_ctime.
> 
> Signed-off-by: Jeff Layton <jlayton@...nel.org>
lgtm
Acked-by: John Johansen <john.johansen@...onical.com>

> ---
>   security/apparmor/apparmorfs.c    | 6 +++---
>   security/apparmor/policy_unpack.c | 4 ++--
>   2 files changed, 5 insertions(+), 5 deletions(-)
> 
> diff --git a/security/apparmor/apparmorfs.c b/security/apparmor/apparmorfs.c
> index 3d0d370d6ffd..8c72a94dd9e3 100644
> --- a/security/apparmor/apparmorfs.c
> +++ b/security/apparmor/apparmorfs.c
> @@ -226,7 +226,7 @@ static int __aafs_setup_d_inode(struct inode *dir, struct dentry *dentry,
>   
>   	inode->i_ino = get_next_ino();
>   	inode->i_mode = mode;
> -	inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
> +	inode->i_atime = inode->i_mtime = inode_ctime_set_current(inode);
>   	inode->i_private = data;
>   	if (S_ISDIR(mode)) {
>   		inode->i_op = iops ? iops : &simple_dir_inode_operations;
> @@ -1557,7 +1557,7 @@ void __aafs_profile_migrate_dents(struct aa_profile *old,
>   		if (new->dents[i]) {
>   			struct inode *inode = d_inode(new->dents[i]);
>   
> -			inode->i_mtime = inode->i_ctime = current_time(inode);
> +			inode->i_mtime = inode_ctime_set_current(inode);
>   		}
>   		old->dents[i] = NULL;
>   	}
> @@ -2546,7 +2546,7 @@ static int aa_mk_null_file(struct dentry *parent)
>   
>   	inode->i_ino = get_next_ino();
>   	inode->i_mode = S_IFCHR | S_IRUGO | S_IWUGO;
> -	inode->i_atime = inode->i_mtime = inode->i_ctime = current_time(inode);
> +	inode->i_atime = inode->i_mtime = inode_ctime_set_current(inode);
>   	init_special_inode(inode, S_IFCHR | S_IRUGO | S_IWUGO,
>   			   MKDEV(MEM_MAJOR, 3));
>   	d_instantiate(dentry, inode);
> diff --git a/security/apparmor/policy_unpack.c b/security/apparmor/policy_unpack.c
> index 4c188a44d65c..334d69b118a9 100644
> --- a/security/apparmor/policy_unpack.c
> +++ b/security/apparmor/policy_unpack.c
> @@ -89,10 +89,10 @@ void __aa_loaddata_update(struct aa_loaddata *data, long revision)
>   		struct inode *inode;
>   
>   		inode = d_inode(data->dents[AAFS_LOADDATA_DIR]);
> -		inode->i_mtime = inode->i_ctime = current_time(inode);
> +		inode->i_mtime = inode_ctime_set_current(inode);
>   
>   		inode = d_inode(data->dents[AAFS_LOADDATA_REVISION]);
> -		inode->i_mtime = inode->i_ctime = current_time(inode);
> +		inode->i_mtime = inode_ctime_set_current(inode);
>   	}
>   }
>