48  * the same directory with dnotify their information is chained in dn
52 	struct dnotify_struct *dn;  member
66 	struct dnotify_struct *dn;  in dnotify_recalc_inode_mask()  local
73 	for (dn = dn_mark->dn; dn != NULL; dn = dn->dn_next)  in dnotify_recalc_inode_mask()
74 		new_mask |= (dn->dn_mask & ~FS_DN_MULTISHOT);  in dnotify_recalc_inode_mask()
95 	struct dnotify_struct *dn;  in dnotify_handle_event()  local
107 	prev = &dn_mark->dn;  in dnotify_handle_event()
108 	while ((dn = *prev) != NULL) {  in dnotify_handle_event()
109 		if ((dn->dn_mask & test_mask) == 0) {  in dnotify_handle_event()
110 			prev = &dn->dn_next;  in dnotify_handle_event()
113 		fown = file_f_owner(dn->dn_filp);  in dnotify_handle_event()
114 		send_sigio(fown, dn->dn_fd, POLL_MSG);  in dnotify_handle_event()
115 		if (dn->dn_mask & FS_DN_MULTISHOT)  in dnotify_handle_event()
116 			prev = &dn->dn_next;  in dnotify_handle_event()
118 			*prev = dn->dn_next;  in dnotify_handle_event()
119 			kmem_cache_free(dnotify_struct_cache, dn);  in dnotify_handle_event()
135 	BUG_ON(dn_mark->dn);  in dnotify_free_mark()
147  * inode.  If one is found run all of the ->dn structures attached to that
156 	struct dnotify_struct *dn;  in dnotify_flush()  local
173 	prev = &dn_mark->dn;  in dnotify_flush()
174 	while ((dn = *prev) != NULL) {  in dnotify_flush()
175 		if ((dn->dn_owner == id) && (dn->dn_filp == filp)) {  in dnotify_flush()
176 			*prev = dn->dn_next;  in dnotify_flush()
177 			kmem_cache_free(dnotify_struct_cache, dn);  in dnotify_flush()
181 		prev = &dn->dn_next;  in dnotify_flush()
188 	if (dn_mark->dn == NULL) {  in dnotify_flush()
229 static int attach_dn(struct dnotify_struct *dn, struct dnotify_mark *dn_mark,  in attach_dn()  argument
234 	odn = dn_mark->dn;  in attach_dn()
245 	dn->dn_mask = mask;  in attach_dn()
246 	dn->dn_fd = fd;  in attach_dn()
247 	dn->dn_filp = filp;  in attach_dn()
248 	dn->dn_owner = id;  in attach_dn()
249 	dn->dn_next = dn_mark->dn;  in attach_dn()
250 	dn_mark->dn = dn;  in attach_dn()
264 	struct dnotify_struct *dn;  in fcntl_dirnotify()  local
273 	dn = NULL;  in fcntl_dirnotify()
306 	dn = kmem_cache_alloc(dnotify_struct_cache, GFP_KERNEL);  in fcntl_dirnotify()
307 	if (!dn) {  in fcntl_dirnotify()
327 	new_dn_mark->dn = NULL;  in fcntl_dirnotify()
374 	error = attach_dn(dn, dn_mark, id, fd, filp, mask);  in fcntl_dirnotify()
375 	/* !error means that we attached the dn to the dn_mark, so don't free it */  in fcntl_dirnotify()
377 		dn = NULL;  in fcntl_dirnotify()
378 	/* -EEXIST means that we didn't add this new dn and used an old one.  in fcntl_dirnotify()
379 	 * that isn't an error (and the unused dn should be freed) */  in fcntl_dirnotify()
396 	if (dn)  in fcntl_dirnotify()
397 		kmem_cache_free(dnotify_struct_cache, dn);  in fcntl_dirnotify()