diff options
| author | Andreas Gruenbacher <agruen@suse.de> | 2009-12-18 05:24:27 +0300 |
|---|---|---|
| committer | Eric Paris <eparis@redhat.com> | 2010-07-28 17:58:56 +0400 |
| commit | 32c3263221bd63316815286dccacdc7abfd7f3c4 (patch) | |
| tree | 9dad12d5b966cf42d7506e10fb2e3c8d955415d3 /fs/notify | |
| parent | 22aa425dec9e47051624714ae283eb2b6a473013 (diff) | |
| download | linux-32c3263221bd63316815286dccacdc7abfd7f3c4.tar.xz | |
fanotify: Add pids to events
Pass the process identifiers of the triggering processes to fanotify
listeners: this information is useful for event filtering and logging.
Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
Signed-off-by: Eric Paris <eparis@redhat.com>
Diffstat (limited to 'fs/notify')
| -rw-r--r-- | fs/notify/fanotify/fanotify.c | 5 | ||||
| -rw-r--r-- | fs/notify/fanotify/fanotify_user.c | 1 | ||||
| -rw-r--r-- | fs/notify/notification.c | 3 |
3 files changed, 7 insertions, 2 deletions
diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c index 5b0b6b485a9c..881067dc7923 100644 --- a/fs/notify/fanotify/fanotify.c +++ b/fs/notify/fanotify/fanotify.c @@ -10,8 +10,9 @@ static bool should_merge(struct fsnotify_event *old, struct fsnotify_event *new) { pr_debug("%s: old=%p new=%p\n", __func__, old, new); - if ((old->to_tell == new->to_tell) && - (old->data_type == new->data_type)) { + if (old->to_tell == new->to_tell && + old->data_type == new->data_type && + old->tgid == new->tgid) { switch (old->data_type) { case (FSNOTIFY_EVENT_PATH): if ((old->path.mnt == new->path.mnt) && diff --git a/fs/notify/fanotify/fanotify_user.c b/fs/notify/fanotify/fanotify_user.c index cf9c30009825..66e38fc052b2 100644 --- a/fs/notify/fanotify/fanotify_user.c +++ b/fs/notify/fanotify/fanotify_user.c @@ -103,6 +103,7 @@ static ssize_t fill_event_metadata(struct fsnotify_group *group, metadata->event_len = FAN_EVENT_METADATA_LEN; metadata->vers = FANOTIFY_METADATA_VERSION; metadata->mask = fanotify_outgoing_mask(event->mask); + metadata->pid = pid_vnr(event->tgid); metadata->fd = create_fd(group, event); return metadata->fd; diff --git a/fs/notify/notification.c b/fs/notify/notification.c index 066f1f988bac..7fc8d004084c 100644 --- a/fs/notify/notification.c +++ b/fs/notify/notification.c @@ -93,6 +93,7 @@ void fsnotify_put_event(struct fsnotify_event *event) BUG_ON(!list_empty(&event->private_data_list)); kfree(event->file_name); + put_pid(event->tgid); kmem_cache_free(fsnotify_event_cachep, event); } } @@ -346,6 +347,7 @@ struct fsnotify_event *fsnotify_clone_event(struct fsnotify_event *old_event) return NULL; } } + event->tgid = get_pid(old_event->tgid); if (event->data_type == FSNOTIFY_EVENT_PATH) path_get(&event->path); @@ -385,6 +387,7 @@ struct fsnotify_event *fsnotify_create_event(struct inode *to_tell, __u32 mask, event->name_len = strlen(event->file_name); } + event->tgid = get_pid(task_tgid(current)); event->sync_cookie = cookie; event->to_tell = to_tell; event->data_type = data_type; |