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fsnotify: allow groups to set freeing_mark to null 

Most fsnotify listeners (all but inotify) do not care about marks being
freed.  Allow groups to set freeing_mark to null and do not call any
function if it is set that way.

Signed-off-by: Eric Paris <eparis@redhat.com>
hifive-unleashed-5.1
Eric Paris 2009-06-11 11:09:48 -04:00
parent e42e27736d
commit a092ee20fd
2 changed files with 3 additions and 8 deletions
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8
fs/notify/dnotify/dnotify.c
View File

@ -161,12 +161,6 @@ static bool dnotify_should_send_event(struct fsnotify_group *group,
return send;
}
static void dnotify_freeing_mark(struct fsnotify_mark_entry *entry,
struct fsnotify_group *group)
{
/* dnotify doesn't care than an inode is on the way out */
}
static void dnotify_free_mark(struct fsnotify_mark_entry *entry)
{
struct dnotify_mark_entry *dnentry = container_of(entry,
@ -182,7 +176,7 @@ static struct fsnotify_ops dnotify_fsnotify_ops = {
.handle_event = dnotify_handle_event,
.should_send_event = dnotify_should_send_event,
.free_group_priv = NULL,
.freeing_mark = dnotify_freeing_mark,
.freeing_mark = NULL,
.free_event_priv = NULL,
};

3
fs/notify/inode_mark.c
View File

@ -190,7 +190,8 @@ void fsnotify_destroy_mark_by_entry(struct fsnotify_mark_entry *entry)
* callback to the group function to let it know that this entry
* is being freed.
*/
group->ops->freeing_mark(entry, group);
if (group->ops->freeing_mark)
group->ops->freeing_mark(entry, group);
/*
* __fsnotify_update_child_dentry_flags(inode);