| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2015 Red Hat, Inc., Lukas Czerner <lczerner@redhat.com> |
| # |
| # FS QA Test 096 |
| # |
| # Exercise the situation that cause ext4 to BUG_ON() when we use |
| # zero range to zero a range which starts within the isize but ends |
| # past the isize but still in the same block. This particular problem |
| # has only been seen on systems with page_size > block_size. |
| # |
| . ./common/preamble |
| _begin_fstest auto prealloc quick zero |
| |
| # Import common functions. |
| . ./common/filter |
| |
| # real QA test starts here |
| _supported_fs generic |
| _require_scratch |
| _require_xfs_io_command "fzero" |
| |
| echo "Silence is golden" |
| |
| # Use smaller scratch fs to shorten the test time |
| _scratch_mkfs_sized $((512 * 1024 * 1024)) >>$seqres.full 2>&1 |
| _scratch_mount |
| |
| testfile=$SCRATCH_MNT/$seq.$$ |
| $XFS_IO_PROG -f -c "pwrite 4096 512" -c "fzero 4351 512" $testfile >> $seqres.full 2>&1 |
| |
| # success, all done |
| status=0 |
| exit |
