diff options
author | Stefan Agner <stefan@agner.ch> | 2017-03-14 13:59:28 -0700 |
---|---|---|
committer | Max Krummenacher <max.krummenacher@toradex.com> | 2017-03-15 18:35:51 +0100 |
commit | 39ac0033f2345ce7b5d8ca4439192407dacb2355 (patch) | |
tree | 51dc588baa63d31bc406388885f62c1cae068fa3 /fs/notify/notification.c | |
parent | 13f2767f31803754aa883f298737aff866f04628 (diff) | |
parent | d9e0350d2575a20ee7783427da9bd6b6107eb983 (diff) |
Merge tag 'v4.1.39' into toradex_vf_4.1-nexttoradex_vf_4.1
Linux 4.1.39
Diffstat (limited to 'fs/notify/notification.c')
-rw-r--r-- | fs/notify/notification.c | 23 |
1 files changed, 7 insertions, 16 deletions
diff --git a/fs/notify/notification.c b/fs/notify/notification.c index a95d8e037aeb..e455e83ceeeb 100644 --- a/fs/notify/notification.c +++ b/fs/notify/notification.c @@ -82,7 +82,8 @@ void fsnotify_destroy_event(struct fsnotify_group *group, * Add an event to the group notification queue. The group can later pull this * event off the queue to deal with. The function returns 0 if the event was * added to the queue, 1 if the event was merged with some other queued event, - * 2 if the queue of events has overflown. + * 2 if the event was not queued - either the queue of events has overflown + * or the group is shutting down. */ int fsnotify_add_event(struct fsnotify_group *group, struct fsnotify_event *event, @@ -96,6 +97,11 @@ int fsnotify_add_event(struct fsnotify_group *group, mutex_lock(&group->notification_mutex); + if (group->shutdown) { + mutex_unlock(&group->notification_mutex); + return 2; + } + if (group->q_len >= group->max_events) { ret = 2; /* Queue overflow event only if it isn't already queued */ @@ -126,21 +132,6 @@ queue: } /* - * Remove @event from group's notification queue. It is the responsibility of - * the caller to destroy the event. - */ -void fsnotify_remove_event(struct fsnotify_group *group, - struct fsnotify_event *event) -{ - mutex_lock(&group->notification_mutex); - if (!list_empty(&event->list)) { - list_del_init(&event->list); - group->q_len--; - } - mutex_unlock(&group->notification_mutex); -} - -/* * Remove and return the first event from the notification list. It is the * responsibility of the caller to destroy the obtained event */ |