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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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tests/generic/199
+2 -29
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@@ -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"