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reflink: refactor mixed block creation code

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Refactor the code that creates files with mixed block types that we feed
into CoW tests to make sure that we can tiptoe around that kind of stuff.

Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
This commit is contained in:
Darrick J. Wong
2016-02-09 23:47:22 -08:00
parent 92518fc8c1
commit 96de24c84a
13 changed files with 126 additions and 126 deletions
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common/reflink
+108
View File
@@ -187,3 +187,111 @@ _dedupe_range() {
"$XFS_IO_PROG" $xfs_io_args -f -c "dedupe $file1 $offset1 $offset2 $len" "$file2"
}
# Create a file of interleaved unwritten and reflinked blocks
_weave_reflink_unwritten() {
blksz=$1
nr=$2
sfile=$3
dfile=$4
_pwrite_byte 0x61 0 $((blksz * nr)) $sfile
$XFS_IO_PROG -f -c "falloc 0 $((blksz * nr))" $dfile
_pwrite_byte 0x00 0 $((blksz * nr)) $dfile.chk
seq 0 2 $((nr - 1)) | while read i; do
_reflink_range $sfile $((blksz * i)) $dfile $((blksz * i)) $blksz
_pwrite_byte 0x61 $((blksz * i)) $blksz $dfile.chk
done
}
# Create a file of interleaved holes and reflinked blocks
_weave_reflink_holes() {
blksz=$1
nr=$2
sfile=$3
dfile=$4
_pwrite_byte 0x61 0 $((blksz * nr)) $sfile
$XFS_IO_PROG -f -c "truncate $((blksz * nr))" $dfile
_pwrite_byte 0x00 0 $((blksz * nr)) $dfile.chk
seq 0 2 $((nr - 1)) | while read i; do
_reflink_range $sfile $((blksz * i)) $dfile $((blksz * i)) $blksz
_pwrite_byte 0x61 $((blksz * i)) $blksz $dfile.chk
done
}
# For a file created with _weave_reflink_holes, fill the holes with delalloc
# extents
_weave_reflink_holes_delalloc() {
blksz=$1
nr=$2
dfile=$3
seq 1 2 $((nr - 1)) | while read i; do
_pwrite_byte 0x62 $((blksz * i)) $blksz $dfile
_pwrite_byte 0x62 $((blksz * i)) $blksz $dfile.chk
done
}
# Create a file of interleaved regular blocks and reflinked blocks
_weave_reflink_regular() {
blksz=$1
nr=$2
sfile=$3
dfile=$4
_pwrite_byte 0x61 0 $((blksz * nr)) $sfile
_pwrite_byte 0x62 0 $((blksz * nr)) $dfile
_pwrite_byte 0x62 0 $((blksz * nr)) $dfile.chk
seq 0 2 $((nr - 1)) | while read i; do
_reflink_range $sfile $((blksz * i)) $dfile $((blksz * i)) $blksz
_pwrite_byte 0x61 $((blksz * i)) $blksz $dfile.chk
done
}
# Create a file of interleaved holes, unwritten blocks, regular blocks, and
# reflinked blocks
_weave_reflink_rainbow() {
blksz=$1
nr=$2
sfile=$3
dfile=$4
_pwrite_byte 0x61 0 $((blksz * nr)) $sfile
$XFS_IO_PROG -f -c "truncate $((blksz * nr))" $dfile
_pwrite_byte 0x00 0 $((blksz * nr)) $dfile.chk
# 0 blocks are reflinked
seq 0 5 $((nr - 1)) | while read i; do
_reflink_range $sfile $((blksz * i)) $dfile $((blksz * i)) $blksz
_pwrite_byte 0x61 $((blksz * i)) $blksz $dfile.chk
done
# 1 blocks are unwritten
seq 1 5 $((nr - 1)) | while read i; do
$XFS_IO_PROG -f -c "falloc $((blksz * i)) $blksz" $dfile
_pwrite_byte 0x00 $((blksz * i)) $blksz $dfile.chk
done
# 2 blocks are holes
seq 2 5 $((nr - 1)) | while read i; do
_pwrite_byte 0x00 $((blksz * i)) $blksz $dfile.chk
done
# 3 blocks are regular
seq 3 5 $((nr - 1)) | while read i; do
_pwrite_byte 0x71 $((blksz * i)) $blksz $dfile
_pwrite_byte 0x71 $((blksz * i)) $blksz $dfile.chk
done
# 4 blocks will be delalloc later
}
# For a file created with _weave_reflink_rainbow, fill the holes with delalloc
# extents
_weave_reflink_rainbow_delalloc() {
blksz=$1
nr=$2
dfile=$3
# 4 blocks are delalloc (do later)
seq 4 5 $((nr - 1)) | while read i; do
_pwrite_byte 0x62 $((blksz * i)) $blksz $dfile
_pwrite_byte 0x62 $((blksz * i)) $blksz $dfile.chk
done
}
tests/generic/188
+1 -7
View File
@@ -63,13 +63,7 @@ mkdir $testdir
echo "Create the original files"
blksz=65536
nr=64
_pwrite_byte 0x61 0 $((blksz * nr)) "$testdir/file1" >> "$seqres.full"
$XFS_IO_PROG -f -c "falloc 0 $((blksz * nr))" "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x00 0 $((blksz * nr)) "$testdir/file3.chk" >> "$seqres.full"
seq 0 2 $((nr-1)) | while read f; do
_reflink_range "$testdir/file1" $((blksz * f)) "$testdir/file3" $((blksz * f)) $blksz >> "$seqres.full"
_pwrite_byte 0x61 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
_weave_reflink_unwritten $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
_scratch_remount
echo "Compare files"
tests/generic/189
+1 -7
View File
@@ -63,13 +63,7 @@ mkdir $testdir
echo "Create the original files"
blksz=65536
nr=64
_pwrite_byte 0x61 0 $((blksz * nr)) "$testdir/file1" >> "$seqres.full"
$XFS_IO_PROG -f -c "falloc 0 $((blksz * nr))" "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x00 0 $((blksz * nr)) "$testdir/file3.chk" >> "$seqres.full"
seq 0 2 $((nr-1)) | while read f; do
_reflink_range "$testdir/file1" $((blksz * f)) "$testdir/file3" $((blksz * f)) $blksz >> "$seqres.full"
_pwrite_byte 0x61 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
_weave_reflink_unwritten $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
_scratch_remount
echo "Compare files"
tests/generic/190
+1 -7
View File
@@ -63,13 +63,7 @@ mkdir $testdir
echo "Create the original files"
blksz=65536
nr=64
_pwrite_byte 0x61 0 $((blksz * nr)) "$testdir/file1" >> "$seqres.full"
$XFS_IO_PROG -f -c "truncate $((blksz * nr))" "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x00 0 $((blksz * nr)) "$testdir/file3.chk" >> "$seqres.full"
seq 0 2 $((nr-1)) | while read f; do
_reflink_range "$testdir/file1" $((blksz * f)) "$testdir/file3" $((blksz * f)) $blksz >> "$seqres.full"
_pwrite_byte 0x61 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
_weave_reflink_holes $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
_scratch_remount
echo "Compare files"
tests/generic/191
+1 -7
View File
@@ -63,13 +63,7 @@ mkdir $testdir
echo "Create the original files"
blksz=65536
nr=64
_pwrite_byte 0x61 0 $((blksz * nr)) "$testdir/file1" >> "$seqres.full"
$XFS_IO_PROG -f -c "truncate $((blksz * nr))" "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x00 0 $((blksz * nr)) "$testdir/file3.chk" >> "$seqres.full"
seq 0 2 $((nr-1)) | while read f; do
_reflink_range "$testdir/file1" $((blksz * f)) "$testdir/file3" $((blksz * f)) $blksz >> "$seqres.full"
_pwrite_byte 0x61 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
_weave_reflink_holes $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
_scratch_remount
echo "Compare files"
tests/generic/194
+2 -11
View File
@@ -64,13 +64,7 @@ mkdir $testdir
echo "Create the original files"
blksz=65536
nr=64
_pwrite_byte 0x61 0 $((blksz * nr)) "$testdir/file1" >> "$seqres.full"
$XFS_IO_PROG -f -c "truncate $((blksz * nr))" "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x00 0 $((blksz * nr)) "$testdir/file3.chk" >> "$seqres.full"
seq 0 2 $((nr-1)) | while read f; do
_reflink_range "$testdir/file1" $((blksz * f)) "$testdir/file3" $((blksz * f)) $blksz >> "$seqres.full"
_pwrite_byte 0x61 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
_weave_reflink_holes $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
_scratch_remount
echo "Compare files"
@@ -79,10 +73,7 @@ md5sum "$testdir/file3" | _filter_scratch
md5sum "$testdir/file3.chk" | _filter_scratch
echo "directio CoW across the transition"
seq 1 2 $((nr-1)) | while read f; do
_pwrite_byte 0x62 $((blksz * f)) $blksz "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x62 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
_weave_reflink_holes_delalloc $blksz $nr $testdir/file3 >> $seqres.full
"$XFS_IO_PROG" -d -f -c "pwrite -S 0x63 -b $((blksz * nr / 2)) $((blksz * nr / 4)) $((blksz * nr / 2))" "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x63 $((blksz * nr / 4)) $((blksz * nr / 2)) "$testdir/file3.chk" >> "$seqres.full"
_scratch_remount
tests/generic/195
+2 -11
View File
@@ -64,13 +64,7 @@ mkdir $testdir
echo "Create the original files"
blksz=65536
nr=64
_pwrite_byte 0x61 0 $((blksz * nr)) "$testdir/file1" >> "$seqres.full"
$XFS_IO_PROG -f -c "truncate $((blksz * nr))" "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x00 0 $((blksz * nr)) "$testdir/file3.chk" >> "$seqres.full"
seq 0 2 $((nr-1)) | while read f; do
_reflink_range "$testdir/file1" $((blksz * f)) "$testdir/file3" $((blksz * f)) $blksz >> "$seqres.full"
_pwrite_byte 0x61 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
_weave_reflink_holes $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
_scratch_remount
echo "Compare files"
@@ -79,10 +73,7 @@ md5sum "$testdir/file3" | _filter_scratch
md5sum "$testdir/file3.chk" | _filter_scratch
echo "CoW across the transition"
seq 1 2 $((nr-1)) | while read f; do
_pwrite_byte 0x62 $((blksz * f)) $blksz "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x62 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
_weave_reflink_holes_delalloc $blksz $nr $testdir/file3 >> $seqres.full
"$XFS_IO_PROG" -f -c "pwrite -S 0x63 -b $((blksz * nr / 2)) $((blksz * nr / 4)) $((blksz * nr / 2))" "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x63 $((blksz * nr / 4)) $((blksz * nr / 2)) "$testdir/file3.chk" >> "$seqres.full"
_scratch_remount
tests/generic/196
+1 -7
View File
@@ -63,13 +63,7 @@ mkdir $testdir
echo "Create the original files"
blksz=65536
nr=64
_pwrite_byte 0x61 0 $((blksz * nr)) "$testdir/file1" >> "$seqres.full"
_pwrite_byte 0x62 0 $((blksz * nr)) "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x62 0 $((blksz * nr)) "$testdir/file3.chk" >> "$seqres.full"
seq 0 2 $((nr-1)) | while read f; do
_reflink_range "$testdir/file1" $((blksz * f)) "$testdir/file3" $((blksz * f)) $blksz >> "$seqres.full"
_pwrite_byte 0x61 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
_weave_reflink_regular $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
_scratch_remount
echo "Compare files"
tests/generic/197
+1 -7
View File
@@ -63,13 +63,7 @@ mkdir $testdir
echo "Create the original files"
blksz=65536
nr=64
_pwrite_byte 0x61 0 $((blksz * nr)) "$testdir/file1" >> "$seqres.full"
_pwrite_byte 0x62 0 $((blksz * nr)) "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x62 0 $((blksz * nr)) "$testdir/file3.chk" >> "$seqres.full"
seq 0 2 $((nr-1)) | while read f; do
_reflink_range "$testdir/file1" $((blksz * f)) "$testdir/file3" $((blksz * f)) $blksz >> "$seqres.full"
_pwrite_byte 0x61 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
_weave_reflink_regular $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
_scratch_remount
echo "Compare files"
tests/generic/199
+2 -29
View File
@@ -69,30 +69,7 @@ mkdir $testdir
echo "Create the original files"
blksz=65536
nr=64
_pwrite_byte 0x61 0 $((blksz * nr)) "$testdir/file1" >> "$seqres.full"
$XFS_IO_PROG -f -c "truncate $((blksz * nr))" "$testdir/file3" >> "$seqres.full"
# 0 blocks are reflinked
seq 0 5 $nr | while read f; do
_reflink_range "$testdir/file1" $((blksz * f)) "$testdir/file3" $((blksz * f)) $blksz >> "$seqres.full"
_pwrite_byte 0x61 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
sync
# 1 blocks are unwritten
seq 1 5 $nr | while read f; do
$XFS_IO_PROG -f -c "falloc $((blksz * f)) $blksz" "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x00 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
sync
# 2 blocks are holes
seq 2 5 $nr | while read f; do
_pwrite_byte 0x00 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
# 3 blocks are regular
seq 3 5 $nr | while read f; do
_pwrite_byte 0x71 $((blksz * f)) $blksz "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x71 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
sync
_weave_reflink_rainbow $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
_scratch_remount
echo "Compare files"
@@ -101,11 +78,7 @@ md5sum "$testdir/file3" | _filter_scratch
md5sum "$testdir/file3.chk" | _filter_scratch
echo "directio CoW across the transition"
# 4 blocks are delalloc (do later)
seq 4 5 $nr | while read f; do
_pwrite_byte 0x62 $((blksz * f)) $blksz "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x62 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
_weave_reflink_rainbow_delalloc $blksz $nr $testdir/file3 >> $seqres.full
# now cow
"$XFS_IO_PROG" -d -f -c "pwrite -S 0x63 -b $((blksz * nr / 2)) $((blksz * nr / 4)) $((blksz * nr / 2))" "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x63 $((blksz * nr / 4)) $((blksz * nr / 2)) "$testdir/file3.chk" >> "$seqres.full"
tests/generic/199.out
+2 -2
View File
@@ -8,5 +8,5 @@ bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-199/file1
directio CoW across the transition
Compare files
bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-199/file1
36f6b5317a9a921fc91175390ccf7f69 SCRATCH_MNT/test-199/file3
36f6b5317a9a921fc91175390ccf7f69 SCRATCH_MNT/test-199/file3.chk
26aa3a0749b867ec58363c8539ee5471 SCRATCH_MNT/test-199/file3
26aa3a0749b867ec58363c8539ee5471 SCRATCH_MNT/test-199/file3.chk
tests/generic/200
+2 -29
View File
@@ -69,30 +69,7 @@ mkdir $testdir
echo "Create the original files"
blksz=65536
nr=64
_pwrite_byte 0x61 0 $((blksz * nr)) "$testdir/file1" >> "$seqres.full"
$XFS_IO_PROG -f -c "truncate $((blksz * nr))" "$testdir/file3" >> "$seqres.full"
# 0 blocks are reflinked
seq 0 5 $nr | while read f; do
_reflink_range "$testdir/file1" $((blksz * f)) "$testdir/file3" $((blksz * f)) $blksz >> "$seqres.full"
_pwrite_byte 0x61 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
sync
# 1 blocks are unwritten
seq 1 5 $nr | while read f; do
$XFS_IO_PROG -f -c "falloc $((blksz * f)) $blksz" "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x00 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
sync
# 2 blocks are holes
seq 2 5 $nr | while read f; do
_pwrite_byte 0x00 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
# 3 blocks are regular
seq 3 5 $nr | while read f; do
_pwrite_byte 0x71 $((blksz * f)) $blksz "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x71 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
sync
_weave_reflink_rainbow $blksz $nr $testdir/file1 $testdir/file3 >> $seqres.full
_scratch_remount
echo "Compare files"
@@ -101,11 +78,7 @@ md5sum "$testdir/file3" | _filter_scratch
md5sum "$testdir/file3.chk" | _filter_scratch
echo "directio CoW across the transition"
# 4 blocks are delalloc (do later)
seq 4 5 $nr | while read f; do
_pwrite_byte 0x62 $((blksz * f)) $blksz "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x62 $((blksz * f)) $blksz "$testdir/file3.chk" >> "$seqres.full"
done
_weave_reflink_rainbow_delalloc $blksz $nr $testdir/file3 >> $seqres.full
# now cow
"$XFS_IO_PROG" -f -c "pwrite -S 0x63 -b $((blksz * nr / 2)) $((blksz * nr / 4)) $((blksz * nr / 2))" "$testdir/file3" >> "$seqres.full"
_pwrite_byte 0x63 $((blksz * nr / 4)) $((blksz * nr / 2)) "$testdir/file3.chk" >> "$seqres.full"
tests/generic/200.out
+2 -2
View File
@@ -8,5 +8,5 @@ bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-200/file1
directio CoW across the transition
Compare files
bdbcf02ee0aa977795a79d25fcfdccb1 SCRATCH_MNT/test-200/file1
36f6b5317a9a921fc91175390ccf7f69 SCRATCH_MNT/test-200/file3
36f6b5317a9a921fc91175390ccf7f69 SCRATCH_MNT/test-200/file3.chk
26aa3a0749b867ec58363c8539ee5471 SCRATCH_MNT/test-200/file3
26aa3a0749b867ec58363c8539ee5471 SCRATCH_MNT/test-200/file3.chk