NodeMonitor: Added B_WATCH_CHILDREN flag.

* Added a directory argument for notify_{stat/attribute}_changed().
* This allows to watch only a directory, and get the notifications for
  all of its files, not just add/remove entry notifications.

headers/private/fs_shell/fssh_api_wrapper.h

@@ -895,6 +895,7 @@
 #define B_FS_HAS_SELF_HEALING_LINKS		FSSH_B_FS_HAS_SELF_HEALING_LINKS
 #define B_FS_HAS_ALIASES				FSSH_B_FS_HAS_ALIASES
 #define B_FS_SUPPORTS_NODE_MONITORING	FSSH_B_FS_SUPPORTS_NODE_MONITORING
+#define B_FS_SUPPORTS_MONITOR_CHILDREN	FSSH_B_FS_SUPPORTS_MONITOR_CHILDREN
 
 #define fs_info	fssh_fs_info
 

headers/private/fs_shell/fssh_fs_info.h

@@ -21,6 +21,7 @@
 #define FSSH_B_FS_HAS_SELF_HEALING_LINKS	0x00080000
 #define FSSH_B_FS_HAS_ALIASES				0x00100000
 #define FSSH_B_FS_SUPPORTS_NODE_MONITORING	0x00200000
+#define FSSH_B_FS_SUPPORTS_MONITOR_CHILDREN	0x00400000
 
 typedef struct fssh_fs_info {
 	fssh_dev_t	dev;								/* volume dev_t */

headers/private/fs_shell/fssh_fs_interface.h

@@ -1,5 +1,5 @@
 /*
- * Copyright 2004-2008, Haiku Inc. All Rights Reserved.
+ * Copyright 2004-2016, Haiku Inc. All Rights Reserved.
  * Distributed under the terms of the MIT License.
  */
 #ifndef _FSSH_FS_INTERFACE_H
@@ -395,9 +395,10 @@ extern fssh_status_t fssh_notify_entry_moved(fssh_mount_id device,
 				fssh_vnode_id toDirectory, const char *toName,
 				fssh_vnode_id node);
 extern fssh_status_t fssh_notify_stat_changed(fssh_mount_id device,
-				fssh_vnode_id node, uint32_t statFields);
+				fssh_vnode_id dir, fssh_vnode_id node, uint32_t statFields);
 extern fssh_status_t fssh_notify_attribute_changed(fssh_mount_id device,
-				fssh_vnode_id node, const char *attribute, int32_t cause);
+				fssh_vnode_id dir, fssh_vnode_id node, const char *attribute,
+				int32_t cause);
 
 extern fssh_status_t fssh_notify_query_entry_created(fssh_port_id port,
 				int32_t token, fssh_mount_id device,