Re: [RFC][PATCH 2/2] fanotify: report mntid info record with FAN_UNMOUNT events

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On Fri 14-04-23 21:29:03, Amir Goldstein wrote:
> Report mntid in an info record of type FAN_EVENT_INFO_TYPE_MNTID
> with FAN_UNMOUNT event in addition to the fid info record.
> 
> Signed-off-by: Amir Goldstein <amir73il@xxxxxxxxx>

This patch looks good to me (besides the things you've already noticed).
Just one nit below.

> diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c
> index 0b3de6218c56..db3b79b8e901 100644
> --- a/fs/notify/fanotify/fanotify_user.c
> +++ b/fs/notify/fanotify/fanotify_user.c
> @@ -120,7 +120,9 @@ struct kmem_cache *fanotify_perm_event_cachep __read_mostly;
>  #define FANOTIFY_EVENT_ALIGN 4
>  #define FANOTIFY_FID_INFO_HDR_LEN \
>  	(sizeof(struct fanotify_event_info_fid) + sizeof(struct file_handle))
> -#define FANOTIFY_PIDFD_INFO_HDR_LEN \
> +#define FANOTIFY_MNTID_INFO_LEN \
> +	sizeof(struct fanotify_event_info_mntid)
> +#define FANOTIFY_PIDFD_INFO_LEN \

I agree with changing FANOTIFY_PIDFD_INFO_HDR_LEN to
FANOTIFY_PIDFD_INFO_LEN but as a separate patch please.

								Honza
-- 
Jan Kara <jack@xxxxxxxx>
SUSE Labs, CR



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