| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2021 Red Hat Inc. All Rights Reserved. |
| # |
| # FS QA Test 638 |
| # |
| # This case mmaps several pages of a file, alloc pages, copy data with pages |
| # overlapping, e.g: |
| # +-----------------------+ |
| # | (copy) | |
| # | V |
| # +---------------+---------------+------------ |
| # |AAAA| ........ |AAAA| ... |AAAA|AAAA| |
| # +---------------+---------------+------------ |
| # | ^ |
| # | (copy) | |
| # +------------+ |
| # |
| # This's a regression test cover kernel commit: |
| # 4f06dd92b5d0 ("fuse: fix write deadlock") |
| # |
| . ./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 "t_mmap_writev_overlap" |
| |
| pagesize=`getconf PAGE_SIZE` |
| testfile=$TEST_DIR/mmap-writev-overlap |
| $XFS_IO_PROG -f -c "truncate 0" $testfile |
| $here/src/t_mmap_writev_overlap -b $pagesize -c 2 -l 64 $testfile |
| |
| echo "Silence is golden" |
| # success, all done |
| status=0 |
| exit |
