linux-kernel - Re: [PATCH 04/79] binderfs: switch to new ctime accessors

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Date:   Wed, 21 Jun 2023 18:35:06 +0200
From:   Jan Kara <jack@...e.cz>
To:     Jeff Layton <jlayton@...nel.org>
Cc:     Christian Brauner <brauner@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Arve Hjønnevåg <arve@...roid.com>,
        Todd Kjos <tkjos@...roid.com>,
        Martijn Coenen <maco@...roid.com>,
        Joel Fernandes <joel@...lfernandes.org>,
        Carlos Llamas <cmllamas@...gle.com>,
        Suren Baghdasaryan <surenb@...gle.com>,
        Al Viro <viro@...iv.linux.org.uk>, Jan Kara <jack@...e.cz>,
        linux-kernel@...r.kernel.org
Subject: Re: [PATCH 04/79] binderfs: switch to new ctime accessors

On Wed 21-06-23 10:45:17, 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>

Looks good to me. Feel free to add:

Reviewed-by: Jan Kara <jack@...e.cz>

								Honza

> ---
>  drivers/android/binderfs.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/android/binderfs.c b/drivers/android/binderfs.c
> index 76e7d6676657..b6b1220e1e55 100644
> --- a/drivers/android/binderfs.c
> +++ b/drivers/android/binderfs.c
> @@ -153,7 +153,7 @@ static int binderfs_binder_device_create(struct inode *ref_inode,
>  		goto err;
>  
>  	inode->i_ino = minor + INODE_OFFSET;
> -	inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
> +	inode->i_mtime = inode->i_atime = inode_ctime_set_current(inode);
>  	init_special_inode(inode, S_IFCHR | 0600,
>  			   MKDEV(MAJOR(binderfs_dev), minor));
>  	inode->i_fop = &binder_fops;
> @@ -432,7 +432,7 @@ static int binderfs_binder_ctl_create(struct super_block *sb)
>  	}
>  
>  	inode->i_ino = SECOND_INODE;
> -	inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
> +	inode->i_mtime = inode->i_atime = inode_ctime_set_current(inode);
>  	init_special_inode(inode, S_IFCHR | 0600,
>  			   MKDEV(MAJOR(binderfs_dev), minor));
>  	inode->i_fop = &binder_ctl_fops;
> @@ -474,7 +474,7 @@ static struct inode *binderfs_make_inode(struct super_block *sb, int mode)
>  	if (ret) {
>  		ret->i_ino = iunique(sb, BINDERFS_MAX_MINOR + INODE_OFFSET);
>  		ret->i_mode = mode;
> -		ret->i_atime = ret->i_mtime = ret->i_ctime = current_time(ret);
> +		ret->i_atime = ret->i_mtime = inode_ctime_set_current(ret);
>  	}
>  	return ret;
>  }
> @@ -703,7 +703,7 @@ static int binderfs_fill_super(struct super_block *sb, struct fs_context *fc)
>  	inode->i_ino = FIRST_INODE;
>  	inode->i_fop = &simple_dir_operations;
>  	inode->i_mode = S_IFDIR | 0755;
> -	inode->i_mtime = inode->i_atime = inode->i_ctime = current_time(inode);
> +	inode->i_mtime = inode->i_atime = inode_ctime_set_current(inode);
>  	inode->i_op = &binderfs_dir_inode_operations;
>  	set_nlink(inode, 2);
>  
> -- 
> 2.41.0
> 
-- 
Jan Kara <jack@...e.com>
SUSE Labs, CR