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|
#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2009 Red Hat, Inc. All Rights Reserved.
#
# FS QA Test No. 214
#
# Basic unwritten extent sanity checks
#
. ./common/preamble
_begin_fstest rw auto prealloc quick
# Override the default cleanup function.
_cleanup()
{
rm -f $TEST_DIR/ouch*
cd /
rm -f $tmp.*
}
tmp=$TEST_DIR/$$
# Import common functions.
. ./common/filter
# real QA test starts here
# generic, but xfs_io's fallocate must work
_supported_fs generic
# only Linux supports fallocate
_require_test
[ -n "$XFS_IO_PROG" ] || _notrun "xfs_io executable not found"
rm -f $TEST_DIR/ouch*
_require_xfs_io_command "falloc"
_require_odirect
# Ok, off we go.
# We don't remove files after they are written to check
# for subsequent fs corruption at the end
rm -f $TEST_DIR/test214-*
# Super-trivial; preallocate a region and read it; get 0s.
echo "=== falloc & read ==="
$XFS_IO_PROG -f \
-c 'falloc 0 4096' \
-c 'pread -v 0 4096' \
$TEST_DIR/test214-1 | _filter_xfs_io_unique
# Preallocate a chunk, write 1 byte, read it all back.
# Should get no stale data. Early ext4 bug.
echo "=== falloc, write beginning, read ==="
$XFS_IO_PROG -f \
-c 'falloc 0 512' \
-c 'pwrite 0 1' \
-c 'pread -v 0 512' \
$TEST_DIR/test214-2 | _filter_xfs_io_unique
# Same but write in the middle of the region
echo "=== falloc, write middle, read ==="
$XFS_IO_PROG -f \
-c 'falloc 0 512' \
-c 'pwrite 256 1' \
-c 'pread -v 0 512' \
$TEST_DIR/test214-3 | _filter_xfs_io_unique
# Same but write the end of the region
echo "=== falloc, write end, read ==="
$XFS_IO_PROG -f \
-c 'falloc 0 512' \
-c 'pwrite 511 1' \
-c 'pread -v 0 512' \
$TEST_DIR/test214-4 | _filter_xfs_io_unique
# Reported by IBM on ext4.
#
# Fixed by commit a41f20716975910d9beb90b7efc61107901492b8
#
# The file was previously preallocated, and then initialized the middle of
# the preallocation area using Direct IO write, then overwrite part of
# initialized area. Later after truncate the file (to the middle of the
# initialized data), the initialized data *before* the new file size was
# gone after remount the filesystem.
echo "=== falloc, write, sync, truncate, read ==="
# Allocate, write, sync, truncate (buffered)
$XFS_IO_PROG -f \
-c 'falloc 0x0 0x65C00' \
-c 'pwrite -S 0xAA 0x12000 0x10000' \
-c 'fsync' \
-c 'truncate 0x16000' \
$TEST_DIR/test214-5 | _filter_xfs_io_unique
# now do a direct read and see what's on-disk
$XFS_IO_PROG -f -d \
-c 'pread -v 0 0x16000' \
$TEST_DIR/test214-5 | _filter_xfs_io_unique
# Reported by Ted Ts'o on linux-ext4, 12/31/2009
# double-allocation on ext4 when fallocating over delalloc blocks
# Regression due to d21cd8f163ac44b15c465aab7306db931c606908
echo "=== delalloc write 16k; fallocate same range ==="
# delalloc write 16k, fallocate same range.
# Should get caught on fsck when we're done.
$XFS_IO_PROG -f \
-c "pwrite 0 16k" \
-c "falloc 0 16k" \
-c "fsync" \
$TEST_DIR/test214-6 | _filter_xfs_io_unique
# Another ext4 failure
echo "=== ext4 testcase 2 ==="
$XFS_IO_PROG -f \
-c "fsync" \
-c "pwrite 551917 41182" \
-c "falloc 917633 392230" \
-c "pwrite 285771 77718" \
-c "pwrite 1136718 104115" \
$TEST_DIR/test214-7 | _filter_xfs_io_unique
# success, all done
status=0
exit
|
