| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2025 Oracle. All Rights Reserved. |
| # |
| # FS QA Test No. 770 |
| # |
| # basic tests for large atomic writes with mixed mappings |
| # |
| . ./common/preamble |
| _begin_fstest auto quick rw atomicwrites |
| |
| . ./common/atomicwrites |
| . ./common/filter |
| . ./common/reflink |
| |
| _require_scratch |
| _require_block_device $SCRATCH_DEV |
| _require_xfs_io_command "statx" "-r" |
| _require_atomic_write_test_commands |
| _require_scratch_write_atomic_multi_fsblock |
| |
| _scratch_mkfs_sized $((500 * 1048576)) >> $seqres.full 2>&1 |
| _scratch_mount |
| |
| file1=$SCRATCH_MNT/file1 |
| file2=$SCRATCH_MNT/file2 |
| file3=$SCRATCH_MNT/file3 |
| |
| touch $file1 |
| |
| max_awu=$(_get_atomic_write_unit_max $file1) |
| test $max_awu -ge 65536 || _notrun "test requires atomic writes up to 64k" |
| |
| min_awu=$(_get_atomic_write_unit_min $file1) |
| test $min_awu -le 4096 || _notrun "test requires atomic writes down to 4k" |
| |
| bsize=$(_get_file_block_size $SCRATCH_MNT) |
| test $max_awu -gt $((bsize * 2)) || \ |
| _notrun "max atomic write $max_awu less than 2 fsblocks $bsize" |
| |
| # non-reflink tests |
| |
| echo "atomic write hole+mapped+hole" |
| dd if=/dev/zero of=$file1 bs=1M count=10 conv=fsync >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -D -V1 4096000 4096" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -D -V1 4096 4096" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -A -D -V1 0 65536" $file1 >>$seqres.full 2>&1 |
| md5sum $file1 | _filter_scratch |
| |
| echo "atomic write adjacent mapped+hole and hole+mapped" |
| dd if=/dev/zero of=$file1 bs=1M count=10 conv=fsync >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -D -V1 4096000 4096" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -D -V1 0 4096" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -D -V1 61440 4096" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -A -D -V1 0 32768" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -A -D -V1 32768 32768" $file1 >>$seqres.full 2>&1 |
| md5sum $file1 | _filter_scratch |
| |
| echo "atomic write mapped+hole+mapped" |
| dd if=/dev/zero of=$file1 bs=1M count=10 conv=fsync >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -D -V1 4096000 4096" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -D -V1 0 4096" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -D -V1 61440 4096" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -A -D -V1 0 65536" $file1 >>$seqres.full 2>&1 |
| md5sum $file1 | _filter_scratch |
| |
| echo "atomic write unwritten+mapped+unwritten" |
| dd if=/dev/zero of=$file1 bs=1M count=10 conv=fsync >>$seqres.full 2>&1 |
| $XFS_IO_PROG -fc "falloc 0 4096000" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -D -V1 4096 4096" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -A -D -V1 0 65536" $file1 >>$seqres.full 2>&1 |
| md5sum $file1 | _filter_scratch |
| |
| echo "atomic write adjacent mapped+unwritten and unwritten+mapped" |
| dd if=/dev/zero of=$file1 bs=1M count=10 conv=fsync >>$seqres.full 2>&1 |
| $XFS_IO_PROG -fc "falloc 0 4096000" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -D -V1 0 4096" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -D -V1 61440 4096" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -A -D -V1 0 32768" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -A -D -V1 32768 32768" $file1 >>$seqres.full 2>&1 |
| md5sum $file1 | _filter_scratch |
| |
| echo "atomic write mapped+unwritten+mapped" |
| dd if=/dev/zero of=$file1 bs=1M count=10 conv=fsync >>$seqres.full 2>&1 |
| $XFS_IO_PROG -fc "falloc 0 4096000" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -D -V1 0 4096" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -D -V1 61440 4096" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -A -D -V1 0 65536" $file1 >>$seqres.full 2>&1 |
| md5sum $file1 | _filter_scratch |
| |
| echo "atomic write interweaved hole+unwritten+written" |
| dd if=/dev/zero of=$file1 bs=1M count=10 conv=fsync >>$seqres.full 2>&1 |
| blksz=4096 |
| nr=32 |
| _weave_file_rainbow $blksz $nr $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -A -D -V1 0 65536" $file1 >>$seqres.full 2>&1 |
| md5sum $file1 | _filter_scratch |
| |
| echo "atomic write at EOF" |
| dd if=/dev/zero of=$file1 bs=32K count=12 conv=fsync >>$seqres.full 2>&1 |
| $XFS_IO_PROG -dc "pwrite -A -D -V1 360448 65536" $file1 >>$seqres.full 2>&1 |
| md5sum $file1 | _filter_scratch |
| |
| echo "atomic write preallocated region" |
| fallocate -l 10M $file1 |
| $XFS_IO_PROG -dc "pwrite -A -D -V1 0 65536" $file1 >>$seqres.full 2>&1 |
| md5sum $file1 | _filter_scratch |
| |
| # atomic write max size |
| dd if=/dev/zero of=$file1 bs=1M count=10 conv=fsync >>$seqres.full 2>&1 |
| aw_max=$(_get_atomic_write_unit_max $file1) |
| cp $file1 $file1.chk |
| $XFS_IO_PROG -dc "pwrite -A -D -V1 0 $aw_max" $file1 >>$seqres.full 2>&1 |
| $XFS_IO_PROG -c "pwrite 0 $aw_max" $file1.chk >>$seqres.full 2>&1 |
| cmp -s $file1 $file1.chk || echo "file1 doesnt match file1.chk" |
| |
| echo "atomic write max size on fragmented fs" |
| avail=`_get_available_space $SCRATCH_MNT` |
| filesizemb=$((avail / 1024 / 1024 - 1)) |
| fragmentedfile=$SCRATCH_MNT/fragmentedfile |
| $XFS_IO_PROG -fc "falloc 0 ${filesizemb}m" $fragmentedfile |
| $here/src/punch-alternating $fragmentedfile |
| touch $file3 |
| $XFS_IO_PROG -dc "pwrite -A -D -V1 0 65536" $file3 >>$seqres.full 2>&1 |
| md5sum $file3 | _filter_scratch |
| |
| # success, all done |
| status=0 |
| exit |
