[DLM] fix user unlocking

[linux-2.6-omap-h63xx.git] / fs / dlm / user.c

diff --git a/fs/dlm/user.c b/fs/dlm/user.c
index c37e93e4f2df6f8625ee31064f857469bb544290..d378b7fe2a1ea6d4dc7846a6e95e46dff051f8b0 100644 (file)
--- a/fs/dlm/user.c
+++ b/fs/dlm/user.c
@@ -180,6 +180,14 @@ void dlm_user_add_ast(struct dlm_lkb *lkb, int type)
            ua->lksb.sb_status == -EAGAIN && !list_empty(&lkb->lkb_ownqueue))
                remove_ownqueue = 1;
 
+       /* unlocks or cancels of waiting requests need to be removed from the
+          proc's unlocking list, again there must be a better way...  */
+
+       if (ua->lksb.sb_status == -DLM_EUNLOCK ||
+           (ua->lksb.sb_status == -DLM_ECANCEL &&
+            lkb->lkb_grmode == DLM_LOCK_IV))
+               remove_ownqueue = 1;
+
        /* We want to copy the lvb to userspace when the completion
           ast is read if the status is 0, the lock has an lvb and
           lvb_ops says we should.  We could probably have set_lvb_lock()
@@ -523,6 +531,7 @@ static int device_open(struct inode *inode, struct file *file)
        proc->lockspace = ls->ls_local_handle;
        INIT_LIST_HEAD(&proc->asts);
        INIT_LIST_HEAD(&proc->locks);
+       INIT_LIST_HEAD(&proc->unlocking);
        spin_lock_init(&proc->asts_spin);
        spin_lock_init(&proc->locks_spin);
        init_waitqueue_head(&proc->wait);