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| author | Eric Paris <eparis@redhat.com> | 2009-05-21 17:01:37 -0400 |
|---|---|---|
| committer | Eric Paris <eparis@redhat.com> | 2009-06-11 14:57:53 -0400 |
| commit | a2d8bc6cb4a3024661baf877242f123787d0c054 (patch) | |
| tree | 4ff3f93877a8992d5383c14fb6012ab9b1954660 /fs/notify/fsnotify.h | |
| parent | 3c5119c05d624f95f4967d16b38c9624b816bdb9 (diff) | |
| download | lwn-a2d8bc6cb4a3024661baf877242f123787d0c054.tar.gz lwn-a2d8bc6cb4a3024661baf877242f123787d0c054.zip | |
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.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/fs/notify/fsnotify.h b/fs/notify/fsnotify.h index 83b8ec0a8ec2..4dc240824b2d 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_ */ |