| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2017 Red Hat, Inc. All Rights Reserved. |
| # |
| # FS QA Test 443 |
| # |
| # Takes page fault while writev is iterating over the vectors in the IOV |
| # |
| . ./common/preamble |
| _begin_fstest auto quick rw |
| |
| # Import common functions. |
| . ./common/filter |
| |
| # real QA test starts here |
| _supported_fs generic |
| _require_test |
| _require_test_program "writev_on_pagefault" |
| |
| # This program use several vectors for writev(), the kernel goes over them |
| # one at a time, copying them from userspace, getting the user data ready |
| # for IO. If it takes a page fault while iterating over the vectors in the |
| # IOV, it stops, and sends what it got so far. We try to find a bug at this |
| # moment. |
| $here/src/writev_on_pagefault $TEST_DIR/testfile.$seq |
| |
| # success, all done |
| status=0 |
| exit |
