tests: move kernel_at_least to aux

Hide func processing and reuse existing
version_at_least().

test/api/percent.sh

@@ -13,7 +13,7 @@
 
 . lib/inittest
 
-kernel_at_least 2 6 33 || skip
+aux kernel_at_least 2 6 33 || skip
 
 aux prepare_pvs 2
 

test/lib/aux.sh

@@ -936,7 +936,7 @@ version_at_least() {
 	local major
 	local minor
 	local revision
-	IFS=. read -r major minor revision <<< "$1"
+	IFS=".-" read -r major minor revision <<< "$1"
 	shift
 
 	test -z "$1" && return 0
@@ -1073,6 +1073,10 @@ total_mem() {
 	done < /proc/meminfo
 }
 
+kernel_at_least() {
+	version_at_least "$(uname -r)" "$@"
+}
+
 test -z "$LVM_TEST_AUX_TRACE" || set -x
 
 test -f DEVICES && devs=$(< DEVICES)

test/lib/utils.sh

@@ -214,21 +214,6 @@ skip() {
 	exit 200
 }
 
-kernel_at_least() {
-	local major=$(uname -r | cut -d. -f1)
-	local minor=$(uname -r | cut -d. -f2 | cut -d- -f1)
-
-	test "$major" -gt "$1" && return 0
-	test "$major" -eq "$1" || return 1
-	test "$minor" -gt "$2" && return 0
-	test "$minor" -eq "$2" || return 1
-	test -z "$3" && return 0
-
-	local minor2=$(uname -r | cut -d. -f3 | cut -d- -f1)
-	test -z "$minor2" -a "$3" -ne 0 && return 1
-	test "$minor2" -ge "$3" 2>/dev/null || return 1
-}
-
 get_devs() {
 	local IFS=$IFS_NL
 	DEVICES=( $(<DEVICES) )

test/shell/lvconvert-repair-replace.sh

@@ -67,7 +67,7 @@ check mirror $vg mirror2
 vgs $vg
 vgremove -ff $vg
 
-if kernel_at_least 3 0 0; then
+if aux kernel_at_least 3 0 0; then
 	# 2-way, mirrored log
 	# Double log failure, full replace
 	vgcreate $vg "$dev1" "$dev2" "$dev3" "$dev4" "$dev5" "$dev6"

test/shell/lvcreate-usage.sh

@@ -175,7 +175,7 @@ fail lvcreate -Mn --major 234 -l1 $vg
 fail lvcreate --persistent n --minor 234 -l1 $vg
 # out-of-range minor value
 fail lvcreate --minor 9999999 -l1 $vg
-if kernel_at_least 2 4 0; then
+if aux kernel_at_least 2 4 0; then
 # On >2.4 we ignore --major
 lvcreate --major 234 -l1 $vg |& tee err;
 grep "Ignoring" err

test/shell/pvcreate-operation-md.sh

@@ -45,7 +45,7 @@ check pv_field "$pvdev" pe_start "1.00m"
 
 # Test newer topology-aware alignment detection
 # - first added to 2.6.31 but not "reliable" until 2.6.33
-if kernel_at_least 2 6 33 ; then
+if aux kernel_at_least 2 6 33 ; then
     # optimal_io_size=131072, minimum_io_size=65536
     pvcreate --metadatasize 128k \
 	--config 'devices { md_chunk_alignment=0 }' "$pvdev"
@@ -53,7 +53,7 @@ if kernel_at_least 2 6 33 ; then
 fi
 
 # partition MD array directly, depends on blkext in Linux >= 2.6.28
-if kernel_at_least 2 6 28 ; then
+if aux kernel_at_least 2 6 28 ; then
     # create one partition
     sfdisk "$mddev" <<EOF
 ,,83
@@ -69,7 +69,7 @@ EOF
 
     # Checking for 'alignment_offset' in sysfs implies Linux >= 2.6.31
     # but reliable alignment_offset support requires kernel.org Linux >= 2.6.33
-    if kernel_at_least 2 6 33 ; then
+    if aux kernel_at_least 2 6 33 ; then
 	# in case the system is running without devtmpfs /dev
 	# wait here for created device node on tmpfs
 	test "$DM_DEV_DIR" != "/dev" && cp -LR "${mddev}p1" "$DM_DEV_DIR"
@@ -94,7 +94,7 @@ EOF
 fi
 
 # Test newer topology-aware alignment detection w/ --dataalignment override
-if kernel_at_least 2 6 33 ; then
+if aux kernel_at_least 2 6 33 ; then
     # make sure we're clean for another test
     dd if=/dev/zero of="$mddev" bs=512 count=1
     aux prepare_md_dev 0 1024 2 "$dev1" "$dev2"