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authorEric Paris <eparis@redhat.com>2009-05-21 17:01:37 -0400
committerEric Paris <eparis@redhat.com>2009-06-11 14:57:53 -0400
commita2d8bc6cb4a3024661baf877242f123787d0c054 (patch)
tree4ff3f93877a8992d5383c14fb6012ab9b1954660 /fs/notify/fsnotify.h
parent3c5119c05d624f95f4967d16b38c9624b816bdb9 (diff)
downloadop-kernel-dev-a2d8bc6cb4a3024661baf877242f123787d0c054.zip
op-kernel-dev-a2d8bc6cb4a3024661baf877242f123787d0c054.tar.gz
fsnotify: generic notification queue and waitq
inotify needs to do asyc notification in which event information is stored on a queue until the listener is ready to receive it. This patch implements a generic notification queue for inotify (and later fanotify) to store events to be sent at a later time. Signed-off-by: Eric Paris <eparis@redhat.com> Acked-by: Al Viro <viro@zeniv.linux.org.uk> Cc: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'fs/notify/fsnotify.h')
-rw-r--r--fs/notify/fsnotify.h9
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/notify/fsnotify.h b/fs/notify/fsnotify.h
index 83b8ec0..4dc2408 100644
--- a/fs/notify/fsnotify.h
+++ b/fs/notify/fsnotify.h
@@ -13,8 +13,12 @@ extern struct list_head fsnotify_groups;
/* all bitwise OR of all event types (FS_*) for all fsnotify_groups */
extern __u32 fsnotify_mask;
+/* destroy all events sitting in this groups notification queue */
+extern void fsnotify_flush_notify(struct fsnotify_group *group);
+
/* final kfree of a group */
extern void fsnotify_final_destroy_group(struct fsnotify_group *group);
+
/* run the list of all marks associated with inode and flag them to be freed */
extern void fsnotify_clear_marks_by_inode(struct inode *inode);
/*
@@ -22,4 +26,9 @@ extern void fsnotify_clear_marks_by_inode(struct inode *inode);
* about events that happen to its children.
*/
extern void __fsnotify_update_child_dentry_flags(struct inode *inode);
+
+/* allocate and destroy and event holder to attach events to notification/access queues */
+extern struct fsnotify_event_holder *fsnotify_alloc_event_holder(void);
+extern void fsnotify_destroy_event_holder(struct fsnotify_event_holder *holder);
+
#endif /* __FS_NOTIFY_FSNOTIFY_H_ */
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