nvme/{003,004,005,013,046,049}: Group all variables declarations

Group all variable declarations together at the beginning of the
function. Many of the nvme tests do this but not all. Thus make these
tests use the same style. This allows to spot the odd balls in the
refactoring of the tests.

Signed-off-by: Daniel Wagner <[email protected]>
Reviewed-by: Hannes Reinecke <[email protected]>
Signed-off-by: Shin'ichiro Kawasaki <[email protected]>

Author: dwsuse

tests/nvme/003

@@ -22,10 +22,11 @@ test() {
 
 	_setup_nvmet
 
+	local loop_dev
 	local port
+
 	port="$(_create_nvmet_port "${nvme_trtype}")"
 
-	local loop_dev
 	loop_dev="$(losetup -f)"
 
 	_create_nvmet_subsystem "blktests-subsystem-1" "${loop_dev}"

tests/nvme/004

@@ -23,11 +23,12 @@ test() {
 	_setup_nvmet
 
 	local port
+	local loop_dev
+
 	port="$(_create_nvmet_port "${nvme_trtype}")"
 
 	truncate -s "${nvme_img_size}" "$TMPDIR/img"
 
-	local loop_dev
 	loop_dev="$(losetup -f --show "$TMPDIR/img")"
 
 	_create_nvmet_subsystem "blktests-subsystem-1" "${loop_dev}" \

tests/nvme/005

@@ -22,11 +22,13 @@ test() {
 	_setup_nvmet
 
 	local port
+	local loop_dev
+	local nvmedev
+
 	port="$(_create_nvmet_port "${nvme_trtype}")"
 
 	truncate -s "${nvme_img_size}" "$TMPDIR/img"
 
-	local loop_dev
 	loop_dev="$(losetup -f --show "$TMPDIR/img")"
 
 	_create_nvmet_subsystem "blktests-subsystem-1" "${loop_dev}" \
@@ -35,7 +37,6 @@ test() {
 
 	_nvme_connect_subsys "${nvme_trtype}" blktests-subsystem-1
 
-	local nvmedev
 	nvmedev=$(_find_nvme_dev "blktests-subsystem-1")
 
 	udevadm settle

tests/nvme/013

@@ -26,7 +26,6 @@ test() {
 	local port
 	local nvmedev
 	local file_path="${TMPDIR}/img"
-
 	local subsys_name="blktests-subsystem-1"
 
 	truncate -s "${nvme_img_size}" "${file_path}"

tests/nvme/046

@@ -16,6 +16,7 @@ requires() {
 
 test_device() {
 	echo "Running ${TEST_NAME}"
+
 	local ngdev=${TEST_DEV/nvme/ng}
 	local perm nsid
 

tests/nvme/049

@@ -17,6 +17,7 @@ requires() {
 
 test_device() {
 	echo "Running ${TEST_NAME}"
+
 	local ngdev=${TEST_DEV/nvme/ng}
 	local common_args=(
 		--size=1M