nvme-ns generic character devices currently do not support O_DIRECT flag. Check for fio option for direct flag only if filetype is a block device. t/zbd skip test case #1 for character devices as don't require direct I/O. Signed-off-by: Ankit Kumar <ankit.kumar@xxxxxxxxxxx> --- t/zbd/test-zbd-support | 3 ++- zbd.c | 4 ++-- 2 files changed, 4 insertions(+), 3 deletions(-) diff --git a/t/zbd/test-zbd-support b/t/zbd/test-zbd-support index 7e2fff00..a1ec5684 100755 --- a/t/zbd/test-zbd-support +++ b/t/zbd/test-zbd-support @@ -251,8 +251,9 @@ require_conv_zones() { return 0 } -# Check whether buffered writes are refused. +# Check whether buffered writes are refused for regular block devices. test1() { + require_regular_block_dev || return $SKIP_TESTCASE run_fio --name=job1 --filename="$dev" --rw=write --direct=0 --bs=4K \ "$(ioengine "psync")" --size="${zone_size}" --thread=1 \ --zonemode=zbd --zonesize="${zone_size}" 2>&1 | diff --git a/zbd.c b/zbd.c index b1fd6b4b..627fb968 100644 --- a/zbd.c +++ b/zbd.c @@ -466,7 +466,7 @@ out: return res; } -/* Verify whether direct I/O is used for all host-managed zoned drives. */ +/* Verify whether direct I/O is used for all host-managed zoned block drives. */ static bool zbd_using_direct_io(void) { struct thread_data *td; @@ -477,7 +477,7 @@ static bool zbd_using_direct_io(void) if (td->o.odirect || !(td->o.td_ddir & TD_DDIR_WRITE)) continue; for_each_file(td, f, j) { - if (f->zbd_info && + if (f->zbd_info && f->filetype == FIO_TYPE_BLOCK && f->zbd_info->model == ZBD_HOST_MANAGED) return false; } -- 2.17.1