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64a698aa93
Some different error message require changes to golden/* Signed-off-by: Andy Grover <agrover@versity.com>
181 lines
5.3 KiB
Bash
181 lines
5.3 KiB
Bash
#
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# test waiting for offline extents
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#
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t_require_commands dd cat cp scoutfs xfs_io
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DIR="$T_D0/dir"
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BLOCKS=256
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BS=4096
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BYTES=$(($BLOCKS * $BS))
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expect_wait()
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{
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local file=$1
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local ops=$2
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shift
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shift
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> $T_TMP.wait.expected
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while test -n "$ops" -a -n "$1"; do
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echo "ino $1 iblock $2 ops $ops" >> $T_TMP.wait.expected
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shift
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shift
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done
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scoutfs data-waiting -B 0 -I 0 -p "$file" > $T_TMP.wait.output
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diff -u $T_TMP.wait.expected $T_TMP.wait.output
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}
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t_quiet mkdir -p "$DIR"
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echo "== create files"
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dd if=/dev/urandom of="$DIR/golden" bs=$BS count=$BLOCKS status=none
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cp "$DIR/golden" "$DIR/file"
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ino=$(stat -c "%i" "$DIR/file")
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vers=$(scoutfs stat -s data_version "$DIR/file")
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echo "== waiter shows up in ioctl"
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echo "offline waiting should be empty:"
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scoutfs data-waiting -B 0 -I 0 -p "$DIR" | wc -l
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scoutfs release "$DIR/file" -V "$vers" -o 0 -l $BYTES
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cat "$DIR/file" > /dev/null &
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sleep .1
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echo "offline waiting should now have one known entry:"
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expect_wait "$DIR/file" "read" $ino 0
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echo "== multiple waiters on same block listed once"
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cat "$DIR/file" > /dev/null &
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sleep .1
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echo "offline waiting still has one known entry:"
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expect_wait "$DIR/file" "read" $ino 0
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echo "== different blocks show up"
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dd if="$DIR/file" of=/dev/null bs=$BS count=1 skip=1 2> /dev/null &
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sleep .1
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echo "offline waiting now has two known entries:"
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expect_wait "$DIR/file" "read" $ino 0 $ino 1
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echo "== staging wakes everyone"
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scoutfs stage "$DIR/golden" "$DIR/file" -V "$vers" -o 0 -l $BYTES
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sleep .1
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echo "offline waiting should be empty again:"
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scoutfs data-waiting -B 0 -I 0 -p "$DIR" | wc -l
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echo "== interruption does no harm"
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scoutfs release "$DIR/file" -V "$vers" -o 0 -l $BYTES
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cat "$DIR/file" > /dev/null 2>&1 &
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pid="$!"
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sleep .1
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echo "offline waiting should now have one known entry:"
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expect_wait "$DIR/file" "read" $ino 0
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kill "$pid"
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# silence terminated message
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wait "$pid" 2> /dev/null
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echo "offline waiting should be empty again:"
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scoutfs data-waiting -B 0 -I 0 -p "$DIR" | wc -l
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echo "== EIO injection for waiting readers works"
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ino=$(stat -c "%i" "$DIR/file")
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dd if="$DIR/file" bs=$BS skip=0 of=/dev/null 2>&1 | \
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t_filter_fs | head -3 > $T_TMP.cat1 &
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pid="$!"
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dd if="$DIR/file" bs=$BS skip=1 of=/dev/null 2>&1 | \
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t_filter_fs | head -3 > $T_TMP.cat2 &
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pid2="$!"
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sleep .1
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echo "offline waiting should now have two known entries:"
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scoutfs data-waiting -B 0 -I 0 -p "$DIR" | wc -l
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expect_wait "$DIR/file" "read" $ino 0 $ino 1
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scoutfs data-wait-err -p "$DIR" -I "$ino" -V "$vers" -F 0 -C $((BS*2)) -O read -E -5
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sleep .1
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echo "offline waiting should now have 0 known entries:"
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scoutfs data-waiting -B 0 -I 0 -p "$DIR" | wc -l
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# silence terminated message
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wait "$pid" 2> /dev/null
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wait "$pid2" 2> /dev/null
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cat $T_TMP.cat1
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cat $T_TMP.cat2
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echo "offline waiting should be empty again:"
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scoutfs data-waiting -B 0 -I 0 -p "$DIR" | wc -l
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echo "== readahead while offline does no harm"
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xfs_io -c "fadvise -w 0 $BYTES" "$DIR/file"
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scoutfs stage "$DIR/golden" "$DIR/file" -V "$vers" -o 0 -l $BYTES
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cmp "$DIR/file" "$DIR/golden"
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echo "== waiting on interesting blocks works"
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blocks=""
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for base in $(echo 0 $(($BLOCKS / 2)) $(($BLOCKS - 2))); do
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for off in 0 1; do
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blocks="$blocks $(($base + off))"
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done
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done
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for b in $blocks; do
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scoutfs release "$DIR/file" -V "$vers" -o 0 -l $BYTES
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dd if="$DIR/file" of=/dev/null \
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status=none bs=$BS count=1 skip=$b 2> /dev/null &
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sleep .1
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scoutfs stage "$DIR/golden" "$DIR/file" -V "$vers" -o 0 -l $BYTES
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sleep .1
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echo "offline waiting is empty at block $b"
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scoutfs data-waiting -B 0 -I 0 -p "$DIR" | wc -l
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done
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echo "== contents match when staging blocks forward"
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scoutfs release "$DIR/file" -V "$vers" -o 0 -l $BYTES
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cat "$DIR/file" > "$DIR/forward" &
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for b in $(seq 0 1 $((BLOCKS - 1))); do
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dd if="$DIR/golden" of="$DIR/block" status=none bs=$BS skip=$b count=1
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scoutfs stage "$DIR/block" "$DIR/file" -V "$vers" -o $((b * $BS)) -l $BS
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done
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sleep .1
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cmp "$DIR/golden" "$DIR/forward"
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echo "== contents match when staging blocks backwards"
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scoutfs release "$DIR/file" -V "$vers" -o 0 -l $BYTES
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cat "$DIR/file" > "$DIR/backward" &
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for b in $(seq $((BLOCKS - 1)) -1 0); do
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dd if="$DIR/golden" of="$DIR/block" status=none bs=$BS skip=$b count=1
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scoutfs stage "$DIR/block" "$DIR/file" -V "$vers" -o $((b * $BS)) -l $BS
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done
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sleep .1
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cmp "$DIR/golden" "$DIR/backward"
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echo "== truncate to same size doesn't wait"
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scoutfs release "$DIR/file" -V "$vers" -o 0 -l $BYTES
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truncate -s "$BYTES" "$DIR/file" &
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sleep .1
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echo "offline wating should be empty:"
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scoutfs data-waiting -B 0 -I 0 -p "$DIR" | wc -l
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echo "== truncating does wait"
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truncate -s "$BS" "$DIR/file" &
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sleep .1
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echo "truncate should be waiting for first block:"
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expect_wait "$DIR/file" "change_size" $ino 0
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scoutfs stage "$DIR/golden" "$DIR/file" -V "$vers" -o 0 -l $BYTES
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sleep .1
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echo "trunate should no longer be waiting:"
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scoutfs data-waiting -B 0 -I 0 -p "$DIR" | wc -l
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cat "$DIR/golden" > "$DIR/file"
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vers=$(scoutfs stat -s data_version "$DIR/file")
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echo "== writing waits"
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dd if=/dev/urandom of="$DIR/other" bs=$BS count=$BLOCKS status=none
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scoutfs release "$DIR/file" -V "$vers" -o 0 -l $BYTES
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# overwrite, not truncate+write
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dd if="$DIR/other" of="$DIR/file" \
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bs=$BS count=$BLOCKS conv=notrunc status=none &
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sleep .1
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echo "should be waiting for write"
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expect_wait "$DIR/file" "write" $ino 0
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scoutfs stage "$DIR/golden" "$DIR/file" -V "$vers" -o 0 -l $BYTES
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cmp "$DIR/file" "$DIR/other"
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echo "== cleanup"
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rm -rf "$DIR"
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t_pass
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