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NodeMonitor: Added B_WATCH_CHILDREN flag.

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* 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.
This commit is contained in:
Axel Dörfler
2016-03-28 14:31:27 +02:00
parent 55f28f1396
commit 6f7fc2204b
31 changed files with 367 additions and 307 deletions
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src/add-ons/kernel/file_systems/bfs/kernel_interface.cpp
+12 -9
View File
@@ -1,5 +1,5 @@
/*
* Copyright 2001-2014, Axel Dörfler, [email protected].
* Copyright 2001-2016, Axel Dörfler, [email protected].
* This file may be used under the terms of the MIT License.
*/
@@ -208,7 +208,8 @@ bfs_read_fs_stat(fs_volume* _volume, struct fs_info* info)
// File system flags.
info->flags = B_FS_IS_PERSISTENT | B_FS_HAS_ATTR | B_FS_HAS_MIME
| (volume->IndicesNode() != NULL ? B_FS_HAS_QUERY : 0)
| (volume->IsReadOnly() ? B_FS_IS_READONLY : 0);
| (volume->IsReadOnly() ? B_FS_IS_READONLY : 0)
| B_FS_SUPPORTS_MONITOR_CHILDREN;
info->io_size = BFS_IO_SIZE;
// whatever is appropriate here?
@@ -923,7 +924,7 @@ bfs_write_stat(fs_volume* _volume, fs_vnode* _node, const struct stat* stat,
if (status == B_OK)
status = transaction.Done();
if (status == B_OK)
notify_stat_changed(volume->ID(), inode->ID(), mask);
notify_stat_changed(volume->ID(), inode->ParentID(), inode->ID(), mask);
return status;
}
@@ -1397,7 +1398,7 @@ bfs_write(fs_volume* _volume, fs_vnode* _node, void* _cookie, off_t pos,
if (!inode->IsDeleted() && cookie->last_size != inode->Size()
&& system_time() > cookie->last_notification
+ INODE_NOTIFICATION_INTERVAL) {
notify_stat_changed(volume->ID(), inode->ID(),
notify_stat_changed(volume->ID(), inode->ParentID(), inode->ID(),
B_STAT_MODIFICATION_TIME | B_STAT_SIZE | B_STAT_INTERIM_UPDATE);
cookie->last_size = inode->Size();
cookie->last_notification = system_time();
@@ -1483,7 +1484,7 @@ bfs_free_cookie(fs_volume* _volume, fs_vnode* _node, void* _cookie)
}
if (changedSize || changedTime) {
notify_stat_changed(volume->ID(), inode->ID(),
notify_stat_changed(volume->ID(), inode->ParentID(), inode->ID(),
(changedTime ? B_STAT_MODIFICATION_TIME : 0)
| (changedSize ? B_STAT_SIZE : 0));
}
@@ -1890,9 +1891,11 @@ bfs_write_attr(fs_volume* _volume, fs_vnode* _file, void* _cookie,
if (status == B_OK) {
status = transaction.Done();
if (status == B_OK) {
notify_attribute_changed(volume->ID(), inode->ID(), cookie->name,
notify_attribute_changed(volume->ID(), inode->ParentID(),
inode->ID(), cookie->name,
created ? B_ATTR_CREATED : B_ATTR_CHANGED);
notify_stat_changed(volume->ID(), inode->ID(), B_STAT_CHANGE_TIME);
notify_stat_changed(volume->ID(), inode->ParentID(), inode->ID(),
B_STAT_CHANGE_TIME);
}
}
@@ -1956,8 +1959,8 @@ bfs_remove_attr(fs_volume* _volume, fs_vnode* _node, const char* name)
if (status == B_OK)
status = transaction.Done();
if (status == B_OK) {
notify_attribute_changed(volume->ID(), inode->ID(), name,
B_ATTR_REMOVED);
notify_attribute_changed(volume->ID(), inode->ParentID(), inode->ID(),
name, B_ATTR_REMOVED);
}
return status;