[PATCH blktests v3 01/12] nvme/rc: Auto convert test device size info

Daniel Wagner
2023-05-03T08:03:17Z

Introduce a convert_to_mb() helper which converts the size argument
to MBytes and use in test device require function. This makes it
possible to use user input strings in future.

Reviewed-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Daniel Wagner <dwagner@suse.de>
---
common/rc | 30 +++++++++++++++++++++++++++---
tests/nvme/035 | 2 +-
2 files changed, 28 insertions(+), 4 deletions(-)

diff --git a/common/rc b/common/rc
index af4c0b1cab22..0b15d1fe4c6b 100644
--- a/common/rc
+++ b/common/rc
@@ -324,9 +324,12 @@ _get_pci_parent_from_blkdev() {
tail -2 | head -1
}

-_require_test_dev_size_mb() {
- local require_sz_mb=$1
- local test_dev_sz_mb=$(($(blockdev --getsize64 "$TEST_DEV")/1024/1024))
+_require_test_dev_size() {
+ local require_sz_mb
+ local test_dev_sz_mb
+
+ require_sz_mb="$(convert_to_mb "$1")"
+ test_dev_sz_mb="$(($(blockdev --getsize64 "$TEST_DEV")/1024/1024))"

if (( "$test_dev_sz_mb" < "$require_sz_mb" )); then
SKIP_REASONS+=("${TEST_DEV} required at least ${require_sz_mb}m")
@@ -422,3 +425,24 @@ _have_writeable_kmsg() {
_run_user() {
su "$NORMAL_USER" -c "$1"
}
+
+convert_to_mb()
+{
+ local str=$1
+ local res
+
+ res=$(echo "${str}" | sed -n 's/^\([0-9]\+\)$/\1/p')
+ if [[ -n "${res}" ]]; then
+ echo "$((res / 1024 / 1024))"
+ fi
+
+ res=$(echo "${str}" | sed -n 's/^\([0-9]\+\)[mM]$/\1/p')
+ if [[ -n "${res}" ]]; then
+ echo "$((res))"
+ fi
+
+ res=$(echo "${str}" | sed -n 's/^\([0-9]\+\)[gG]$/\1/p')
+ if [[ -n "${res}" ]]; then
+ echo "$((res * 1024))"
+ fi
+}
diff --git a/tests/nvme/035 b/tests/nvme/035
index d169e351e3d0..eb1024edddbf 100755
--- a/tests/nvme/035
+++ b/tests/nvme/035
@@ -17,7 +17,7 @@ requires() {
}

device_requires() {
- _require_test_dev_size_mb 1024
+ _require_test_dev_size 1024m
}

test_device() {
--
2.40.0