Message ID | 20211125074752.274176-7-ruansy.fnst@fujitsu.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | generic: add some mmap CoW tests | expand |
On Thu, Nov 25, 2021 at 03:47:42PM +0800, Shiyang Ruan wrote: > Ensuring that copy on write in mmap mode works when the CoW range originally > covers multiple extents, mixed with reflinked, unwritten, hole, regular and > delalloc blocks. > (MMAP version of generic/200,199) > > Also, add a check to make sure the delalloc block is accutally exist. > > Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com> > --- > common/reflink | 3 ++ > tests/generic/905 | 68 +++++++++++++++++++++++++++++++++++++++++++ > tests/generic/905.out | 12 ++++++++ > 3 files changed, 83 insertions(+) > create mode 100755 tests/generic/905 > create mode 100644 tests/generic/905.out > > diff --git a/common/reflink b/common/reflink > index 38210673..84173d59 100644 > --- a/common/reflink > +++ b/common/reflink > @@ -362,6 +362,9 @@ _weave_reflink_rainbow_delalloc() { > _pwrite_byte 0x62 $((blksz * i)) $blksz $dfile > _pwrite_byte 0x62 $((blksz * i)) $blksz $dfile.chk > done > + # make sure we actually got delalloc block > + $FILEFRAG_PROG -v $dfile 2>&1 | grep -q delalloc || \ > + _notrun "test requires delayed allocation writes" Same comment as the previous patch. generic/905 itself looks like a straightforward translation of the existing generic/200. --D > } > > # Make the source file have interleaved regular blocks and reflinked blocks > diff --git a/tests/generic/905 b/tests/generic/905 > new file mode 100755 > index 00000000..56cdcd27 > --- /dev/null > +++ b/tests/generic/905 > @@ -0,0 +1,68 @@ > +#! /bin/bash > +# SPDX-License-Identifier: GPL-2.0 > +# > +# FS QA Test No. 905 > +# > +# Ensuring that copy on write in mmap mode works when the CoW > +# range originally covers multiple extents, mixed with reflinked, unwritten, > +# hole, regular and delalloc blocks. > +# (MMAP version of generic/200,199) > +# - Create a file with the following repeating sequence of blocks: > +# 1. reflinked > +# 2. unwritten > +# 3. hole > +# 4. regular block > +# 5. delalloc > +# - mmap CoW across the halfway mark, starting with the unwritten extent. > +# - Check that the files are now different where we say they're different. > +# > +. ./common/preamble > +_begin_fstest auto quick clone punch > + > +# Import common functions. > +. ./common/filter > +. ./common/reflink > + > +# real QA test starts here > +_require_scratch_reflink > +_require_xfs_io_command "falloc" > +_require_xfs_io_command "fpunch" > +_require_cp_reflink > +_require_odirect > + > +echo "Format and mount" > +_scratch_mkfs > $seqres.full 2>&1 > +_scratch_mount >> $seqres.full 2>&1 > + > +testdir=$SCRATCH_MNT/test-$seq > +mkdir $testdir > + > +echo "Create the original files" > +blksz=65536 > +nr=64 > +filesize=$((blksz * nr)) > +_weave_reflink_rainbow $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full > +_scratch_cycle_mount > + > +echo "Compare files" > +md5sum $testdir/file1 | _filter_scratch > +md5sum $testdir/file3 | _filter_scratch > +md5sum $testdir/file3.chk | _filter_scratch > + > +echo "mmap CoW across the transition" > +cowoff=$((filesize / 4)) > +cowsz=$((filesize / 2)) > +_weave_reflink_rainbow_delalloc $blksz $nr $testdir/file3 >> $seqres.full > +# now cow > +mmapsz=$((cowoff + cowsz)) > +_mwrite_byte 0x63 $cowoff $cowsz $mmapsz $testdir/file3 >> $seqres.full > +_mwrite_byte 0x63 $cowoff $cowsz $mmapsz $testdir/file3.chk >> $seqres.full > +_scratch_cycle_mount > + > +echo "Compare files" > +md5sum $testdir/file1 | _filter_scratch > +md5sum $testdir/file3 | _filter_scratch > +md5sum $testdir/file3.chk | _filter_scratch > + > +# success, all done > +status=0 > diff --git a/tests/generic/905.out b/tests/generic/905.out > new file mode 100644 > index 00000000..6fb0be5f > --- /dev/null > +++ b/tests/generic/905.out > @@ -0,0 +1,12 @@ > +QA output created by 905 > +Format and mount > +Create the original files > +Compare files > +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-905/file1 > +6366fd359371414186688a0ef6988893 SCRATCH_MNT/test-905/file3 > +6366fd359371414186688a0ef6988893 SCRATCH_MNT/test-905/file3.chk > +mmap CoW across the transition > +Compare files > +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-905/file1 > +26aa3a0749b867ec58363c8539ee5471 SCRATCH_MNT/test-905/file3 > +26aa3a0749b867ec58363c8539ee5471 SCRATCH_MNT/test-905/file3.chk > -- > 2.34.0 > > >
On Thu, Nov 25, 2021 at 03:47:42PM +0800, Shiyang Ruan wrote: > Ensuring that copy on write in mmap mode works when the CoW range originally > covers multiple extents, mixed with reflinked, unwritten, hole, regular and > delalloc blocks. > (MMAP version of generic/200,199) > > Also, add a check to make sure the delalloc block is accutally exist. > > Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com> > --- > common/reflink | 3 ++ > tests/generic/905 | 68 +++++++++++++++++++++++++++++++++++++++++++ > tests/generic/905.out | 12 ++++++++ > 3 files changed, 83 insertions(+) > create mode 100755 tests/generic/905 > create mode 100644 tests/generic/905.out > > diff --git a/common/reflink b/common/reflink > index 38210673..84173d59 100644 > --- a/common/reflink > +++ b/common/reflink > @@ -362,6 +362,9 @@ _weave_reflink_rainbow_delalloc() { > _pwrite_byte 0x62 $((blksz * i)) $blksz $dfile > _pwrite_byte 0x62 $((blksz * i)) $blksz $dfile.chk > done > + # make sure we actually got delalloc block > + $FILEFRAG_PROG -v $dfile 2>&1 | grep -q delalloc || \ > + _notrun "test requires delayed allocation writes" Same comments as to _weave_reflink_holes_dealloc(). Thanks, Eryu > } > > # Make the source file have interleaved regular blocks and reflinked blocks > diff --git a/tests/generic/905 b/tests/generic/905 > new file mode 100755 > index 00000000..56cdcd27 > --- /dev/null > +++ b/tests/generic/905 > @@ -0,0 +1,68 @@ > +#! /bin/bash > +# SPDX-License-Identifier: GPL-2.0 > +# > +# FS QA Test No. 905 > +# > +# Ensuring that copy on write in mmap mode works when the CoW > +# range originally covers multiple extents, mixed with reflinked, unwritten, > +# hole, regular and delalloc blocks. > +# (MMAP version of generic/200,199) > +# - Create a file with the following repeating sequence of blocks: > +# 1. reflinked > +# 2. unwritten > +# 3. hole > +# 4. regular block > +# 5. delalloc > +# - mmap CoW across the halfway mark, starting with the unwritten extent. > +# - Check that the files are now different where we say they're different. > +# > +. ./common/preamble > +_begin_fstest auto quick clone punch > + > +# Import common functions. > +. ./common/filter > +. ./common/reflink > + > +# real QA test starts here > +_require_scratch_reflink > +_require_xfs_io_command "falloc" > +_require_xfs_io_command "fpunch" > +_require_cp_reflink > +_require_odirect > + > +echo "Format and mount" > +_scratch_mkfs > $seqres.full 2>&1 > +_scratch_mount >> $seqres.full 2>&1 > + > +testdir=$SCRATCH_MNT/test-$seq > +mkdir $testdir > + > +echo "Create the original files" > +blksz=65536 > +nr=64 > +filesize=$((blksz * nr)) > +_weave_reflink_rainbow $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full > +_scratch_cycle_mount > + > +echo "Compare files" > +md5sum $testdir/file1 | _filter_scratch > +md5sum $testdir/file3 | _filter_scratch > +md5sum $testdir/file3.chk | _filter_scratch > + > +echo "mmap CoW across the transition" > +cowoff=$((filesize / 4)) > +cowsz=$((filesize / 2)) > +_weave_reflink_rainbow_delalloc $blksz $nr $testdir/file3 >> $seqres.full > +# now cow > +mmapsz=$((cowoff + cowsz)) > +_mwrite_byte 0x63 $cowoff $cowsz $mmapsz $testdir/file3 >> $seqres.full > +_mwrite_byte 0x63 $cowoff $cowsz $mmapsz $testdir/file3.chk >> $seqres.full > +_scratch_cycle_mount > + > +echo "Compare files" > +md5sum $testdir/file1 | _filter_scratch > +md5sum $testdir/file3 | _filter_scratch > +md5sum $testdir/file3.chk | _filter_scratch > + > +# success, all done > +status=0 > diff --git a/tests/generic/905.out b/tests/generic/905.out > new file mode 100644 > index 00000000..6fb0be5f > --- /dev/null > +++ b/tests/generic/905.out > @@ -0,0 +1,12 @@ > +QA output created by 905 > +Format and mount > +Create the original files > +Compare files > +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-905/file1 > +6366fd359371414186688a0ef6988893 SCRATCH_MNT/test-905/file3 > +6366fd359371414186688a0ef6988893 SCRATCH_MNT/test-905/file3.chk > +mmap CoW across the transition > +Compare files > +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-905/file1 > +26aa3a0749b867ec58363c8539ee5471 SCRATCH_MNT/test-905/file3 > +26aa3a0749b867ec58363c8539ee5471 SCRATCH_MNT/test-905/file3.chk > -- > 2.34.0 > >
diff --git a/common/reflink b/common/reflink index 38210673..84173d59 100644 --- a/common/reflink +++ b/common/reflink @@ -362,6 +362,9 @@ _weave_reflink_rainbow_delalloc() { _pwrite_byte 0x62 $((blksz * i)) $blksz $dfile _pwrite_byte 0x62 $((blksz * i)) $blksz $dfile.chk done + # make sure we actually got delalloc block + $FILEFRAG_PROG -v $dfile 2>&1 | grep -q delalloc || \ + _notrun "test requires delayed allocation writes" } # Make the source file have interleaved regular blocks and reflinked blocks diff --git a/tests/generic/905 b/tests/generic/905 new file mode 100755 index 00000000..56cdcd27 --- /dev/null +++ b/tests/generic/905 @@ -0,0 +1,68 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# +# FS QA Test No. 905 +# +# Ensuring that copy on write in mmap mode works when the CoW +# range originally covers multiple extents, mixed with reflinked, unwritten, +# hole, regular and delalloc blocks. +# (MMAP version of generic/200,199) +# - Create a file with the following repeating sequence of blocks: +# 1. reflinked +# 2. unwritten +# 3. hole +# 4. regular block +# 5. delalloc +# - mmap CoW across the halfway mark, starting with the unwritten extent. +# - Check that the files are now different where we say they're different. +# +. ./common/preamble +_begin_fstest auto quick clone punch + +# Import common functions. +. ./common/filter +. ./common/reflink + +# real QA test starts here +_require_scratch_reflink +_require_xfs_io_command "falloc" +_require_xfs_io_command "fpunch" +_require_cp_reflink +_require_odirect + +echo "Format and mount" +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 + +testdir=$SCRATCH_MNT/test-$seq +mkdir $testdir + +echo "Create the original files" +blksz=65536 +nr=64 +filesize=$((blksz * nr)) +_weave_reflink_rainbow $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full +_scratch_cycle_mount + +echo "Compare files" +md5sum $testdir/file1 | _filter_scratch +md5sum $testdir/file3 | _filter_scratch +md5sum $testdir/file3.chk | _filter_scratch + +echo "mmap CoW across the transition" +cowoff=$((filesize / 4)) +cowsz=$((filesize / 2)) +_weave_reflink_rainbow_delalloc $blksz $nr $testdir/file3 >> $seqres.full +# now cow +mmapsz=$((cowoff + cowsz)) +_mwrite_byte 0x63 $cowoff $cowsz $mmapsz $testdir/file3 >> $seqres.full +_mwrite_byte 0x63 $cowoff $cowsz $mmapsz $testdir/file3.chk >> $seqres.full +_scratch_cycle_mount + +echo "Compare files" +md5sum $testdir/file1 | _filter_scratch +md5sum $testdir/file3 | _filter_scratch +md5sum $testdir/file3.chk | _filter_scratch + +# success, all done +status=0 diff --git a/tests/generic/905.out b/tests/generic/905.out new file mode 100644 index 00000000..6fb0be5f --- /dev/null +++ b/tests/generic/905.out @@ -0,0 +1,12 @@ +QA output created by 905 +Format and mount +Create the original files +Compare files +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-905/file1 +6366fd359371414186688a0ef6988893 SCRATCH_MNT/test-905/file3 +6366fd359371414186688a0ef6988893 SCRATCH_MNT/test-905/file3.chk +mmap CoW across the transition +Compare files +bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-905/file1 +26aa3a0749b867ec58363c8539ee5471 SCRATCH_MNT/test-905/file3 +26aa3a0749b867ec58363c8539ee5471 SCRATCH_MNT/test-905/file3.chk
Ensuring that copy on write in mmap mode works when the CoW range originally covers multiple extents, mixed with reflinked, unwritten, hole, regular and delalloc blocks. (MMAP version of generic/200,199) Also, add a check to make sure the delalloc block is accutally exist. Signed-off-by: Shiyang Ruan <ruansy.fnst@fujitsu.com> --- common/reflink | 3 ++ tests/generic/905 | 68 +++++++++++++++++++++++++++++++++++++++++++ tests/generic/905.out | 12 ++++++++ 3 files changed, 83 insertions(+) create mode 100755 tests/generic/905 create mode 100644 tests/generic/905.out