bf9dbae56b
This workaround is needed to stop EBUSY errors from NBD ioctls(). This can be fixed in NBD bdev code but till that point lets merge this workaround. Change-Id: Ic1546963538beda4d4409cef93062103e2a23e34 Signed-off-by: Pawel Wodkowski <pawelx.wodkowski@intel.com> Reviewed-on: https://review.gerrithub.io/434040 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com> Reviewed-by: Ben Walker <benjamin.walker@intel.com> Chandler-Test-Pool: SPDK Automated Test System <sys_sgsw@intel.com>
93 lines
1.9 KiB
Bash
93 lines
1.9 KiB
Bash
set -e
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function nbd_start_disks() {
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local rpc_server=$1
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local bdev_list=($2)
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local nbd_list=($3)
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local i
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for (( i=0; i<${#nbd_list[@]}; i++ )); do
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$rootdir/scripts/rpc.py -s $rpc_server start_nbd_disk ${bdev_list[$i]} ${nbd_list[$i]}
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# Wait for nbd device ready
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waitfornbd $(basename ${nbd_list[$i]})
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done
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}
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function waitfornbd_exit() {
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local nbd_name=$1
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for ((i=1; i<=20; i++)); do
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if grep -q -w $nbd_name /proc/partitions; then
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sleep 0.1
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else
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break
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fi
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done
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return 0
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}
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function nbd_stop_disks() {
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local rpc_server=$1
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local nbd_list=($2)
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local i
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for i in ${nbd_list[@]}; do
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$rootdir/scripts/rpc.py -s $rpc_server stop_nbd_disk $i
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waitfornbd_exit $(basename $i)
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done
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}
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function nbd_get_count() {
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# return = count of spdk nbd devices
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local rpc_server=$1
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nbd_disks_json=`$rootdir/scripts/rpc.py -s $rpc_server get_nbd_disks`
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nbd_disks_name=`echo "${nbd_disks_json}" | jq -r '.[] | .nbd_device'`
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count=`echo "${nbd_disks_name}" | grep -c /dev/nbd || true`
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echo $count
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}
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function nbd_dd_data_verify() {
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local nbd_list=($1)
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local operation=$2
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local tmp_file=/tmp/nbdrandtest
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if [ "$operation" = "write" ]; then
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# data write
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dd if=/dev/urandom of=$tmp_file bs=4096 count=256
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for i in ${nbd_list[@]}; do
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dd if=$tmp_file of=$i bs=4096 count=256 oflag=direct
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done
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elif [ "$operation" = "verify" ]; then
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# data read and verify
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for i in ${nbd_list[@]}; do
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cmp -b -n 1M $tmp_file $i
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done
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rm $tmp_file
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fi
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}
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function nbd_rpc_data_verify() {
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local rpc_server=$1
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local bdev_list=($2)
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local nbd_list=($3)
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nbd_start_disks $rpc_server "${bdev_list[*]}" "${nbd_list[*]}"
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count=$(nbd_get_count $rpc_server)
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if [ $count -ne ${#nbd_list[@]} ]; then
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return -1
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fi
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nbd_dd_data_verify "${nbd_list[*]}" "write"
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nbd_dd_data_verify "${nbd_list[*]}" "verify"
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nbd_stop_disks $rpc_server "${nbd_list[*]}"
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count=$(nbd_get_count $rpc_server)
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if [ $count -ne 0 ]; then
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return -1
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fi
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return 0
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}
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