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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# FSQA Test No. 308
#
# Check data integrity and layout stability during defrag compacting
# EXT4_IOC_MOVE_EXT simply swap extents between target and donor inode.
# So if ioctl was performed twice then inode's layout should not change.
#
. ./common/preamble
_begin_fstest auto ioctl rw prealloc quick defrag fiemap
PIDS=""
# Import common functions.
. ./common/filter
. ./common/defrag
# real QA test starts here
_require_scratch
_require_defrag
_require_xfs_io_command "falloc"
_workout()
{
nr=$1
echo "Create file with $nr * 2 fragments"
# Create sparse file
for ((i=0;i<nr;i++))
do
$XFS_IO_PROG -f -c "falloc $((409600*i)) 4k" \
$SCRATCH_MNT/test.$nr >> $seqres.full 2>&1
done
# Fill holes for half of range , as result file will contain nr*1.5 fragments
$XFS_IO_PROG -c "falloc 0 $((204800*nr))" \
$SCRATCH_MNT/test.$nr | _filter_xfs_io
# Data write will convert extents to initialized ones
for ((i=0;i<nr;i++))
do
patt=`printf "0x%x" $i`
$XFS_IO_PROG -c "pwrite -S $patt $((i*123400)) 1234" \
$SCRATCH_MNT/test.$nr | _filter_xfs_io
done
md5sum $SCRATCH_MNT/test.* | _filter_scratch
$XFS_IO_PROG -c "fiemap" -f $SCRATCH_MNT/test.* > $tmp.fiemap.before
echo "Perform compacting"
$XFS_IO_PROG -c "falloc 0 246M" -f $SCRATCH_MNT/donor | _filter_xfs_io
ls $SCRATCH_MNT/test.* | run_check $here/src/e4compact \
-v -i -f $SCRATCH_MNT/donor >> $seqres.full 2>&1
md5sum $SCRATCH_MNT/test.* | _filter_scratch
$XFS_IO_PROG -c "fiemap" -f $SCRATCH_MNT/test.* > $tmp.fiemap.pass1
diff $tmp.fiemap.before $tmp.fiemap.pass1 > /dev/null && \
_fail "Pass1: Extent's layout not changed"
echo "Perform compacting, second pass"
# Second pass should restore original layout
ls $SCRATCH_MNT/test.* | run_check $here/src/e4compact \
-v -f $SCRATCH_MNT/donor >> $seqres.full 2>&1
md5sum $SCRATCH_MNT/test.* | _filter_scratch
$XFS_IO_PROG -c "fiemap" -f $SCRATCH_MNT/test.* > $tmp.fiemap.pass2
diff -up $tmp.fiemap.before $tmp.fiemap.pass2 || \
_fail "Pass2: Extent's layout changed."
unlink $SCRATCH_MNT/donor
}
# Actual testing starting from here
_scratch_mkfs >> $seqres.full 2>&1
_scratch_mount
_workout 10
_workout 20
_workout 40
_workout 80
_workout 160
status=0
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