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| author |   Jan Kara <jack@suse.cz> | 2016-10-07 16:57:01 -0700 |
|---|---|---|
| committer |   Linus Torvalds <torvalds@linux-foundation.org> | 2016-10-07 18:46:26 -0700 |
| commit | ed2726406c6a71f5da63719c0ba7d9e21dd9581c (patch) | |
| tree | 8443da5c76097a56a635a4a5c834998498a99c01 /fs | |
| parent | fanotify: fix possible false warning when freeing events (diff) | |
| download | linux-dev-ed2726406c6a71f5da63719c0ba7d9e21dd9581c.tar.xz linux-dev-ed2726406c6a71f5da63719c0ba7d9e21dd9581c.zip | |
fsnotify: clean up spinlock assertions
Use assert_spin_locked() macro instead of hand-made BUG_ON statements.
Link: http://lkml.kernel.org/r/1474537439-18919-1-git-send-email-jack@suse.cz
Signed-off-by: Jan Kara <jack@suse.cz>
Suggested-by: Heiner Kallweit <hkallweit1@gmail.com>
Reviewed-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/notify/fanotify/fanotify_user.c | 3 | ||||
| -rw-r--r-- | fs/notify/notification.c | 9 |
2 files changed, 4 insertions, 8 deletions
diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index 189fab3ac4e6..7ebfca6a1427 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -54,8 +54,7 @@ struct kmem_cache *fanotify_perm_event_cachep __read_mostly; static struct fsnotify_event *get_one_event(struct fsnotify_group *group, size_t count) { - BUG_ON(IS_ENABLED(CONFIG_SMP) && - !spin_is_locked(&group->notification_lock)); + assert_spin_locked(&group->notification_lock); pr_debug("%s: group=%p count=%zd\n", __func__, group, count); diff --git a/fs/notify/notification.c b/fs/notify/notification.c index 1a8010e7a2a0..66f85c651c52 100644 --- a/fs/notify/notification.c +++ b/fs/notify/notification.c @@ -63,8 +63,7 @@ EXPORT_SYMBOL_GPL(fsnotify_get_cookie); /* return true if the notify queue is empty, false otherwise */ bool fsnotify_notify_queue_is_empty(struct fsnotify_group *group) { - BUG_ON(IS_ENABLED(CONFIG_SMP) && - !spin_is_locked(&group->notification_lock)); + assert_spin_locked(&group->notification_lock); return list_empty(&group->notification_list) ? true : false; } @@ -149,8 +148,7 @@ struct fsnotify_event *fsnotify_remove_first_event(struct fsnotify_group *group) { struct fsnotify_event *event; - BUG_ON(IS_ENABLED(CONFIG_SMP) && - !spin_is_locked(&group->notification_lock)); + assert_spin_locked(&group->notification_lock); pr_debug("%s: group=%p\n", __func__, group); @@ -172,8 +170,7 @@ struct fsnotify_event *fsnotify_remove_first_event(struct fsnotify_group *group) */ struct fsnotify_event *fsnotify_peek_first_event(struct fsnotify_group *group) { - BUG_ON(IS_ENABLED(CONFIG_SMP) && - !spin_is_locked(&group->notification_lock)); + assert_spin_locked(&group->notification_lock); return list_first_entry(&group->notification_list, struct fsnotify_event, list); |