From: Masato Suzuki <[email protected]> Check that write operations spanning a zone boundary are correctly processed as 2 different write operations each fully within a single zone.
Signed-off-by: Masato Suzuki <[email protected]> --- tests/zbd/004 | 90 +++++++++++++++++++++++++++++++++++++++++++++++ tests/zbd/004.out | 2 ++ 2 files changed, 92 insertions(+) create mode 100755 tests/zbd/004 create mode 100644 tests/zbd/004.out diff --git a/tests/zbd/004 b/tests/zbd/004 new file mode 100755 index 0000000..d8defa9 --- /dev/null +++ b/tests/zbd/004 @@ -0,0 +1,90 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-3.0+ +# Copyright (C) 2018 Western Digital Corporation or its affiliates. +# +# Check kernel splits write operations across a zone border. Select two +# contiguous sequential write required zones and confirm write oprations +# across the two zones succeed. + +. tests/zbd/rc + +DESCRIPTION="write split across sequential zones" +QUICK=1 +CAN_BE_ZONED=1 + +fallback_device() { + _fallback_null_blk_zoned +} + +cleanup_fallback_device() { + _exit_null_blk +} + +_check_zone_cond() { + local -i idx=${1} + local -i cond=${2} + + if [[ ${ZONE_CONDS[idx]} -ne ${cond} ]]; then + echo -n "Zone ${idx} condition is not ${ZONE_COND_ARRAY[cond]} " + echo "cond: ${ZONE_COND_ARRAY[ZONE_CONDS[idx]]}" + return 1 + fi +} + +test_device() { + local -i idx + local -i phys_blk_size + local -i phys_blk_sectors + + echo "Running ${TEST_NAME}" + + # Get physical block size and sectors for dd. + _get_sysfs_variable "${TEST_DEV}" || return $? + phys_blk_size=${SYSFS_VARS[SV_PHYS_BLK_SIZE]} + phys_blk_sectors=${SYSFS_VARS[SV_PHYS_BLK_SECTORS]} + _put_sysfs_variable + + # Find target sequential required zones and reset write pointers + _get_blkzone_report "${TEST_DEV}" || return $? + idx=$(_find_two_contiguous_seq_zones) || return $? + _reset_zones "${TEST_DEV}" "${idx}" "2" + + # Confirm the zones are initialized + _put_blkzone_report + _get_blkzone_report "${TEST_DEV}" || return $? + _check_zone_cond "${idx}" "${ZONE_COND_EMPTY}" || return $? + _check_zone_cond "$((idx+1))" "${ZONE_COND_EMPTY}" || return $? + + # Fill first target zone, remaining a physical block to write + if ! _dd "${TEST_DEV}" "write" "${ZONE_STARTS[idx]}" \ + $((ZONE_LENGTHS[idx] - phys_blk_sectors)) ${phys_blk_size} ; then + echo "Fill zone failed" + return 1 + fi + + # Write across the zone border as a single block write + local -i start_sector=$((ZONE_STARTS[idx+1] - phys_blk_sectors)) + if ! _dd "${TEST_DEV}" "write" ${start_sector} \ + $((phys_blk_sectors * 2)) $((phys_blk_size * 2)) ; then + echo "Write across zone border failed" + return 1 + fi + + # Confirm the zone conditions are as expected + _put_blkzone_report + _get_blkzone_report "${TEST_DEV}" || return $? + _check_zone_cond "${idx}" "${ZONE_COND_FULL}" || return $? + _check_zone_cond "$((idx+1))" "${ZONE_COND_IMPLICIT_OPEN}" || return $? + if [[ ${ZONE_WPTRS[idx+1]} -ne ${phys_blk_sectors} ]]; then + echo -n "Unexpected write pointer for zone $((idx+1)) " + echo "wp: ${ZONE_WPTRS[idx+1]}" + return 1 + fi + + # Clean up + _reset_zones "${TEST_DEV}" "${idx}" "2" + _put_blkzone_report + + echo "Test complete" +} + diff --git a/tests/zbd/004.out b/tests/zbd/004.out new file mode 100644 index 0000000..dd4ea94 --- /dev/null +++ b/tests/zbd/004.out @@ -0,0 +1,2 @@ +Running zbd/004 +Test complete -- 2.20.1
