diff options
Diffstat (limited to 'fs/notify/inode_mark.c')
| -rw-r--r-- | fs/notify/inode_mark.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/fs/notify/inode_mark.c b/fs/notify/inode_mark.c index c8a07c65482b..3f3261b11295 100644 --- a/fs/notify/inode_mark.c +++ b/fs/notify/inode_mark.c @@ -283,12 +283,20 @@ struct fsnotify_mark_entry *fsnotify_find_mark_entry(struct fsnotify_group *grou return NULL; } +void fsnotify_duplicate_mark(struct fsnotify_mark_entry *new, struct fsnotify_mark_entry *old) +{ + assert_spin_locked(&old->lock); + new->inode = old->inode; + new->group = old->group; + new->mask = old->mask; + new->free_mark = old->free_mark; +} + /* * Nothing fancy, just initialize lists and locks and counters. */ void fsnotify_init_mark(struct fsnotify_mark_entry *entry, void (*free_mark)(struct fsnotify_mark_entry *entry)) - { spin_lock_init(&entry->lock); atomic_set(&entry->refcnt, 1); @@ -305,9 +313,10 @@ void fsnotify_init_mark(struct fsnotify_mark_entry *entry, * event types should be delivered to which group and for which inodes. */ int fsnotify_add_mark(struct fsnotify_mark_entry *entry, - struct fsnotify_group *group, struct inode *inode) + struct fsnotify_group *group, struct inode *inode, + int allow_dups) { - struct fsnotify_mark_entry *lentry; + struct fsnotify_mark_entry *lentry = NULL; int ret = 0; inode = igrab(inode); @@ -327,7 +336,8 @@ int fsnotify_add_mark(struct fsnotify_mark_entry *entry, entry->group = group; entry->inode = inode; - lentry = fsnotify_find_mark_entry(group, inode); + if (!allow_dups) + lentry = fsnotify_find_mark_entry(group, inode); if (!lentry) { hlist_add_head(&entry->i_list, &inode->i_fsnotify_mark_entries); list_add(&entry->g_list, &group->mark_entries); |