[PATCH 09/10] audit: Allocate fsnotify mark independently of chunk

[Jan Kara]

On Wed 11-07-18 13:48:58, Amir Goldstein wrote:
> On Wed, Jul 11, 2018 at 11:57 AM, Amir Goldstein <amir73il at gmail.com> wrote:
> > On Tue, Jul 10, 2018 at 1:02 PM, Jan Kara <jack at suse.cz> wrote:
> >> Allocate fsnotify mark independently instead of embedding it inside
> >> chunk. This will allow us to just replace chunk attached to mark when
> >> growing / shrinking chunk instead of replacing mark attached to inode
> >> which is a more complex operation.
> >>
> >> Signed-off-by: Jan Kara <jack at suse.cz>
> >
> > Ack.
> 
> Found minor nit.
> 
> [...]
> >> +static inline struct audit_tree_mark *AUDIT_M(struct fsnotify_mark *entry)
> >> +{
> >> +       return container_of(entry, struct audit_tree_mark, fsn_mark);
> >> +}
> >> +
> >>  static void audit_tree_destroy_watch(struct fsnotify_mark *entry)
> >>  {
> >> -       struct audit_chunk *chunk = container_of(entry, struct audit_chunk, mark);
> >> +       struct audit_chunk *chunk = AUDIT_M(entry)->chunk;
> >>         audit_mark_put_chunk(chunk);
> >> +       kmem_cache_free(audit_tree_mark_cachep, entry);
> 
> Technically, we should be freeing AUDIT_M(entry)
> although it is the same address with current struct layout.

Right, thanks for spotting this. Fixed in my tree.

								Honza
-- 
Jan Kara <jack at suse.com>
SUSE Labs, CR