locks: only remove leases associated with the file being closed

We don't want to remove all leases just because one filp was closed.
Signed-off-by: NJeff Layton <jeff.layton@primarydata.com>

fs/locks.c

@@ -2435,7 +2435,8 @@ locks_remove_lease(struct file *filp)
 
 	spin_lock(&ctx->flc_lock);
 	list_for_each_entry_safe(fl, tmp, &ctx->flc_lease, fl_list)
-		lease_modify(fl, F_UNLCK, &dispose);
+		if (filp == fl->fl_file)
+			lease_modify(fl, F_UNLCK, &dispose);
 	spin_unlock(&ctx->flc_lock);
 	locks_dispose_list(&dispose);
 }