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Merge pull request #237 from versity/auke/hole_punch_ioctl_test
Punch Offline Ioctl, tests, scoutfs subcmd.
This commit is contained in:
Zach Brown
@@ -0,0 +1,152 @@
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t_require_commands scoutfs dd fallocate
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FILE="$T_D0/file"
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DIR="$T_D0/dir"
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echo "== missing options should fail =="
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rm -rf $DIR && mkdir -p $DIR
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scoutfs punch-offline $DIR -l 4096 -V 0
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scoutfs punch-offline $DIR -o 0 -V 0
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scoutfs punch-offline $DIR -o 0 -l 4096
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echo "== can't hole punch dir or special =="
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rm -rf $DIR && mkdir -p $DIR
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scoutfs punch-offline $DIR -o 0 -l 4096 -V 0
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echo "== punching an empty file does nothing =="
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rm -f $FILE && touch $FILE
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scoutfs punch-offline $FILE -o 0 -l 4096 -V 0
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echo "== punch outside of i_size does nothing =="
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dd if=/dev/zero of=$FILE bs=4096 count=1 status=none
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scoutfs punch-offline $FILE -o 4096 -l 4096 -V 1
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echo "== can't hole punch online extent =="
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scoutfs get-fiemap -Lb $FILE
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scoutfs punch-offline $FILE -o 0 -l 4096 -V 1
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scoutfs get-fiemap -Lb $FILE
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echo "== can't hole punch unwritten extent =="
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rm -rf $FILE && touch $FILE
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fallocate -l $((4096 * 3)) $FILE
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vers=$(scoutfs stat -s data_version "$FILE")
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scoutfs get-fiemap -Lb $FILE
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scoutfs punch-offline $FILE -o 4096 -l 4096 -V $vers
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scoutfs get-fiemap -Lb $FILE
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echo "== hole punch offline extent =="
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rm -rf $FILE && touch $FILE
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fallocate -l $((4096 * 3)) $FILE
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vers=$(scoutfs stat -s data_version "$FILE")
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scoutfs release $FILE --data-version $vers
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scoutfs get-fiemap -Lb $FILE
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scoutfs punch-offline $FILE -o 4096 -l 4096 -V $vers
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scoutfs get-fiemap -Lb $FILE
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echo "== can't hole punch non-aligned bsz offset or len =="
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rm -rf $FILE && touch $FILE
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fallocate -l $((4096 * 3)) $FILE
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vers=$(scoutfs stat -s data_version "$FILE")
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scoutfs release $FILE --data-version $vers
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scoutfs get-fiemap -Lb $FILE
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scoutfs punch-offline $FILE -o 4095 -l 4096 -V $vers
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scoutfs punch-offline $FILE -o 1 -l 4096 -V $vers
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scoutfs punch-offline $FILE -o 4096 -l 409700 -V $vers
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scoutfs punch-offline $FILE -o 4096 -l 4097 -V $vers
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scoutfs punch-offline $FILE -o 4096 -l 4095 -V $vers
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scoutfs punch-offline $FILE -o 4096 -l 1 -V $vers
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scoutfs punch-offline $FILE -o 4096 -l 0 -V $vers
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scoutfs get-fiemap -Lb $FILE
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echo "== can't hole punch mismatched data_version =="
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rm -rf $FILE && touch $FILE
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fallocate -l $((4096 * 3)) $FILE
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vers=$(scoutfs stat -s data_version "$FILE")
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scoutfs release $FILE --data-version $vers
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scoutfs get-fiemap -Lb $FILE
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scoutfs punch-offline $FILE -o 4096 -l 4096 -V 0
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scoutfs punch-offline $FILE -o 4096 -l 4096 -V 2
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scoutfs punch-offline $FILE -o 4096 -l 4096 -V 9999
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scoutfs get-fiemap -Lb $FILE
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echo "== Punch hole crossing multiple extents =="
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rm -rf $FILE && touch $FILE
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fallocate -l $((7 * 4096)) $FILE
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vers=$(scoutfs stat -s data_version "$FILE")
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scoutfs release $FILE --data-version $vers
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scoutfs get-fiemap -L $FILE
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scoutfs punch-offline $FILE -o $((1 * 4096)) -l 4096 -V $vers
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scoutfs punch-offline $FILE -o $((3 * 4096)) -l 4096 -V $vers
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scoutfs punch-offline $FILE -o $((5 * 4096)) -l 4096 -V $vers
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# 0.1.2.3
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scoutfs get-fiemap -L $FILE
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scoutfs punch-offline $FILE -o $((2 * 4096)) -l $((3 * 4096)) -V $vers
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# 0.....1
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scoutfs get-fiemap -L $FILE
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echo "== punch hole starting at a hole =="
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rm -rf $FILE && touch $FILE
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fallocate -l $((7 * 4096)) $FILE
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vers=$(scoutfs stat -s data_version "$FILE")
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scoutfs release $FILE --data-version $vers
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scoutfs get-fiemap -L $FILE
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scoutfs punch-offline $FILE -o $((1 * 4096)) -l 4096 -V $vers
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scoutfs punch-offline $FILE -o $((3 * 4096)) -l 4096 -V $vers
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scoutfs punch-offline $FILE -o $((5 * 4096)) -l 4096 -V $vers
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# 0.1.2.3
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scoutfs get-fiemap -L $FILE
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scoutfs punch-offline $FILE -o $((1 * 4096)) -l $((5 * 4096)) -V $vers
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# 0.....1
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scoutfs get-fiemap -L $FILE
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echo "== large punch =="
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rm -rf $FILE && touch $FILE
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fallocate -l $((6 * 1024 * 1024 * 1024)) $FILE
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vers=$(scoutfs stat -s data_version "$FILE")
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scoutfs release $FILE --data-version $vers
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scoutfs get-fiemap -L $FILE
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scoutfs punch-offline $FILE -o $((134123 * 4096)) -l $((68343 * 4096)) -V $vers
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scoutfs punch-offline $FILE -o $((467273 * 4096)) -l $((68343 * 4096)) -V $vers
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scoutfs punch-offline $FILE -o $((734623 * 4096)) -l $((68343 * 4096)) -V $vers
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scoutfs get-fiemap -L $FILE
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echo "== overlapping punches with lots of extents =="
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rm -rf $FILE && touch $FILE
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fallocate -l $((4096 * 1024)) $FILE
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vers=$(scoutfs stat -s data_version "$FILE")
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scoutfs release $FILE --data-version 1
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scoutfs get-fiemap -Lb $FILE
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# punch odd ones away
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for h in $(seq 1 2 1023); do
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scoutfs punch-offline $FILE -o $((h * 4096)) -l 4096 -V $vers
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done
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scoutfs get-fiemap -Lb $FILE | tail -n 1
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# punch a large hole from 32 to 55, removing 7 extents
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scoutfs punch-offline $FILE -o $((32 * 4096)) -l $((13 * 4096)) -V $vers
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scoutfs get-fiemap -Lb $FILE | tail -n 1
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# punch every 8th @6
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for h in $(seq 6 8 1024); do
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scoutfs punch-offline $FILE -o $((h * 4096)) -l 4096 -V $vers
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done
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# again @4
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scoutfs get-fiemap -Lb $FILE | tail -n 1
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for h in $(seq 4 8 1024); do
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scoutfs punch-offline $FILE -o $((h * 4096)) -l 4096 -V $vers
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done
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scoutfs get-fiemap -Lb $FILE | tail -n 1
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# punching a large hole from 127 to 175, removing 12 extents
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scoutfs punch-offline $FILE -o $((127 * 4096)) -l $((48 * 4096)) -V $vers
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scoutfs get-fiemap -Lb $FILE
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# again @2
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for h in $(seq 2 8 1024); do
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scoutfs punch-offline $FILE -o $((h * 4096)) -l 4096 -V $vers
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done
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scoutfs get-fiemap -L $FILE
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# and again @0, punching away everything remaining extent
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for h in $(seq 0 8 1024); do
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scoutfs punch-offline $FILE -o $((h * 4096)) -l 4096 -V $vers
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done
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scoutfs get-fiemap -Lb $FILE
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t_pass
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