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author | Eric Paris <eparis@redhat.com> | 2009-12-17 21:24:34 -0500 |
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committer | Eric Paris <eparis@redhat.com> | 2010-07-28 09:59:02 -0400 |
commit | 9e66e4233db9c7e31e9ee706be2c9ddd54cf99b3 (patch) | |
tree | 9d778b358fb6e5f02fb2cf634c2163f34982b7dd /include/linux/fsnotify_backend.h | |
parent | c4ec54b40d33f8016fea970a383cc584dd0e6019 (diff) | |
download | linux-stable-9e66e4233db9c7e31e9ee706be2c9ddd54cf99b3.tar.gz linux-stable-9e66e4233db9c7e31e9ee706be2c9ddd54cf99b3.tar.bz2 linux-stable-9e66e4233db9c7e31e9ee706be2c9ddd54cf99b3.zip |
fanotify: permissions and blocking
This is the backend work needed for fanotify to support the new
FS_OPEN_PERM and FS_ACCESS_PERM fsnotify events. This is done using the
new fsnotify secondary queue. No userspace interface is provided actually
respond to or request these events.
Signed-off-by: Eric Paris <eparis@redhat.com>
Diffstat (limited to 'include/linux/fsnotify_backend.h')
-rw-r--r-- | include/linux/fsnotify_backend.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/include/linux/fsnotify_backend.h b/include/linux/fsnotify_backend.h index c34728e7d8cb..b0d00fd6bfad 100644 --- a/include/linux/fsnotify_backend.h +++ b/include/linux/fsnotify_backend.h @@ -160,6 +160,14 @@ struct fsnotify_group { struct user_struct *user; } inotify_data; #endif +#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS + struct fanotify_group_private_data { + /* allows a group to block waiting for a userspace response */ + struct mutex access_mutex; + struct list_head access_list; + wait_queue_head_t access_waitq; + } fanotify_data; +#endif }; }; @@ -227,6 +235,10 @@ struct fsnotify_event { size_t name_len; struct pid *tgid; +#ifdef CONFIG_FANOTIFY_ACCESS_PERMISSIONS + __u32 response; /* userspace answer to question */ +#endif /* CONFIG_FANOTIFY_ACCESS_PERMISSIONS */ + struct list_head private_data_list; /* groups can store private data here */ }; |