diff --git a/fs/notify/fsnotify.c b/fs/notify/fsnotify.c index 2bc61e7543dd..506da82ff3f1 100644 --- a/fs/notify/fsnotify.c +++ b/fs/notify/fsnotify.c @@ -158,9 +158,9 @@ int __fsnotify_parent(const struct path *path, struct dentry *dentry, __u32 mask parent = dget_parent(dentry); p_inode = parent->d_inode; - if (unlikely(!fsnotify_inode_watches_children(p_inode))) + if (unlikely(!fsnotify_inode_watches_children(p_inode))) { __fsnotify_update_child_dentry_flags(p_inode); - else if (p_inode->i_fsnotify_mask & mask) { + } else if (p_inode->i_fsnotify_mask & mask & ~FS_EVENT_ON_CHILD) { struct name_snapshot name; /* we are notifying a parent so come up with the new mask which @@ -264,6 +264,10 @@ int fsnotify(struct inode *to_tell, __u32 mask, const void *data, int data_is, else mnt = NULL; + /* An event "on child" is not intended for a mount mark */ + if (mask & FS_EVENT_ON_CHILD) + mnt = NULL; + /* * Optimization: srcu_read_lock() has a memory barrier which can * be expensive. It protects walking the *_fsnotify_marks lists.