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authorEric Paris <eparis@redhat.com>2009-12-17 21:24:34 -0500
committerEric Paris <eparis@redhat.com>2010-07-28 09:59:00 -0400
commit4d92604cc90aa18bbbe0f6e23b7a9fdb612836d3 (patch)
treec04b26fb38a8524fa5e204cb9e40870afa9823f9 /fs/notify/mark.c
parentc9778a98e7440fb73e0d27b8155a688663a0d493 (diff)
fanotify: clear all fanotify marks
fanotify listeners may want to clear all marks. They may want to do this to destroy all of their inode marks which have nothing but ignores. Realistically this is useful for av vendors who update policy and want to clear all of their cached allows. Signed-off-by: Eric Paris <eparis@redhat.com>
Diffstat (limited to 'fs/notify/mark.c')
-rw-r--r--fs/notify/mark.c21
1 files changed, 16 insertions, 5 deletions
diff --git a/fs/notify/mark.c b/fs/notify/mark.c
index cb1d822f227..1e824e64441 100644
--- a/fs/notify/mark.c
+++ b/fs/notify/mark.c
@@ -270,18 +270,21 @@ err:
}
/*
- * Given a group, destroy all of the marks associated with that group.
+ * clear any marks in a group in which mark->flags & flags is true
*/
-void fsnotify_clear_marks_by_group(struct fsnotify_group *group)
+void fsnotify_clear_marks_by_group_flags(struct fsnotify_group *group,
+ unsigned int flags)
{
struct fsnotify_mark *lmark, *mark;
LIST_HEAD(free_list);
spin_lock(&group->mark_lock);
list_for_each_entry_safe(mark, lmark, &group->marks_list, g_list) {
- list_add(&mark->free_g_list, &free_list);
- list_del_init(&mark->g_list);
- fsnotify_get_mark(mark);
+ if (mark->flags & flags) {
+ list_add(&mark->free_g_list, &free_list);
+ list_del_init(&mark->g_list);
+ fsnotify_get_mark(mark);
+ }
}
spin_unlock(&group->mark_lock);
@@ -291,6 +294,14 @@ void fsnotify_clear_marks_by_group(struct fsnotify_group *group)
}
}
+/*
+ * Given a group, destroy all of the marks associated with that group.
+ */
+void fsnotify_clear_marks_by_group(struct fsnotify_group *group)
+{
+ fsnotify_clear_marks_by_group_flags(group, (unsigned int)-1);
+}
+
void fsnotify_duplicate_mark(struct fsnotify_mark *new, struct fsnotify_mark *old)
{
assert_spin_locked(&old->lock);