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| author |   Eric Paris <eparis@redhat.com> | 2009-12-17 21:24:34 -0500 |
|---|---|---|
| committer | Eric Paris <eparis@redhat.com> | 2010-07-28 09:59:01 -0400 |
| commit | 6e5f77b32e9097a8a68a8d453799676cacf70cad (patch) | |
| tree | 2a0211ecd5d79648e74fdf9f851a0669c5e4cc8a /fs/notify/fanotify | |
| parent | fsnotify: add group priorities (diff) | |
| download | linux-dev-6e5f77b32e9097a8a68a8d453799676cacf70cad.tar.xz linux-dev-6e5f77b32e9097a8a68a8d453799676cacf70cad.zip | |
fsnotify: intoduce a notification merge argument
Each group can define their own notification (and secondary_q) merge
function. Inotify does tail drop, fanotify does matching and drop which
can actually allocate a completely new event. But for fanotify to properly
deal with permissions events it needs to know the new event which was
ultimately added to the notification queue. This patch just implements a
void ** argument which is passed to the merge function. fanotify can use
this field to pass the new event back to higher layers.
Signed-off-by: Eric Paris <eparis@redhat.com>
for fanotify to properly deal with permissions events
Diffstat (limited to 'fs/notify/fanotify')
| -rw-r--r-- | fs/notify/fanotify/fanotify.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/fs/notify/fanotify/fanotify.c b/fs/notify/fanotify/fanotify.c index 060b177146e8..95a330d2f8a1 100644 --- a/fs/notify/fanotify/fanotify.c +++ b/fs/notify/fanotify/fanotify.c @@ -27,7 +27,9 @@ static bool should_merge(struct fsnotify_event *old, struct fsnotify_event *new) return false; } -static int fanotify_merge(struct list_head *list, struct fsnotify_event *event) +static int fanotify_merge(struct list_head *list, + struct fsnotify_event *event, + void **arg) { struct fsnotify_event_holder *test_holder; struct fsnotify_event *test_event; @@ -92,7 +94,7 @@ static int fanotify_handle_event(struct fsnotify_group *group, struct fsnotify_e pr_debug("%s: group=%p event=%p\n", __func__, group, event); - ret = fsnotify_add_notify_event(group, event, NULL, fanotify_merge); + ret = fsnotify_add_notify_event(group, event, NULL, fanotify_merge, NULL); /* -EEXIST means this event was merged with another, not that it was an error */ if (ret == -EEXIST) ret = 0; |