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Diffstat (limited to 'fs/notify/vfsmount_mark.c')
-rw-r--r--fs/notify/vfsmount_mark.c14
1 files changed, 11 insertions, 3 deletions
diff --git a/fs/notify/vfsmount_mark.c b/fs/notify/vfsmount_mark.c
index b7b4b0e8554..4df58b8ea64 100644
--- a/fs/notify/vfsmount_mark.c
+++ b/fs/notify/vfsmount_mark.c
@@ -46,8 +46,16 @@ void fsnotify_clear_marks_by_mount(struct vfsmount *mnt)
spin_unlock(&mnt->mnt_root->d_lock);
list_for_each_entry_safe(mark, lmark, &free_list, m.free_m_list) {
- fsnotify_destroy_mark(mark);
+ struct fsnotify_group *group;
+
+ spin_lock(&mark->lock);
+ fsnotify_get_group(mark->group);
+ group = mark->group;
+ spin_unlock(&mark->lock);
+
+ fsnotify_destroy_mark(mark, group);
fsnotify_put_mark(mark);
+ fsnotify_put_group(group);
}
}
@@ -88,8 +96,8 @@ void fsnotify_destroy_vfsmount_mark(struct fsnotify_mark *mark)
{
struct vfsmount *mnt = mark->m.mnt;
+ BUG_ON(!mutex_is_locked(&mark->group->mark_mutex));
assert_spin_locked(&mark->lock);
- assert_spin_locked(&mark->group->mark_lock);
spin_lock(&mnt->mnt_root->d_lock);
@@ -151,8 +159,8 @@ int fsnotify_add_vfsmount_mark(struct fsnotify_mark *mark,
mark->flags |= FSNOTIFY_MARK_FLAG_VFSMOUNT;
+ BUG_ON(!mutex_is_locked(&group->mark_mutex));
assert_spin_locked(&mark->lock);
- assert_spin_locked(&group->mark_lock);
spin_lock(&mnt->mnt_root->d_lock);