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tests: update for readahead

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This commit is contained in:
Zdenek Kabelac 2019-12-12 15:54:17 +01:00
parent 5ccf3e6f30
commit 30f4d0fcd4
2 changed files with 11 additions and 12 deletions
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14
test/shell/lvcreate-usage.sh
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@ -180,16 +180,16 @@ check lv_field $vg/$lv4 lv_read_ahead "auto"
# figure RA value of a PV origin device
DEVICE=$(dmsetup deps -o blkdevname "$dev1" | sed -e "s,.*:\ (\(.*\)),/dev/\1,")
RASZ=$(( $(blockdev --getra "$DEVICE" ) / 2 ))
SZ="$RASZ.00k"
test "$RASZ" -ge 128 || SZ="128.00k"
check lv_field $vg/$lv4 lv_kernel_read_ahead "$SZ" --units k
lvcreate -L 8 -n $lv5 -i2 --stripesize 16k --readahead auto $vg
test "$RASZ" -ge 128 || RASZ="128"
check lv_field $vg/$lv4 lv_kernel_read_ahead "${RASZ}.00k" --units k
lvcreate -vvvvv -L 8 -n $lv5 -i2 --stripesize 16k --readahead auto $vg
check lv_field $vg/$lv5 lv_read_ahead "auto"
check lv_field $vg/$lv5 lv_kernel_read_ahead "$SZ" --units k
# For 16k stripe we set '128k' as the is the minimum size we get when creating DM device
check lv_field $vg/$lv5 lv_kernel_read_ahead "128.00k" --units k
lvcreate -L 8 -n $lv6 -i2 --stripesize 128k --readahead auto $vg
check lv_field $vg/$lv6 lv_read_ahead "auto"
test "$RASZ" -ge 512 || SZ="512.00k"
check lv_field $vg/$lv6 lv_kernel_read_ahead "$SZ" --units k
# For striped device we set double of strip size unrelated to underlaying dev RA size
check lv_field $vg/$lv6 lv_kernel_read_ahead "512.00k" --units k
lvremove -ff $vg
#

9
test/shell/read-ahead.sh
View File

@ -35,12 +35,11 @@ lvremove -ff $vg
#COMM "read ahead is properly inherited from underlying PV"
blockdev --setra 768 "$dev1"
vgscan
DEVICE=$(dmsetup deps -o blkdevname "$dev1" | sed -e "s,.*:\ (\(.*\)),/dev/\1,")
RASZ=$(blockdev --getra "$DEVICE")
SZ=$RASZ
test "$RASZ" -ge 768 || SZ=768
# is there something in the system changing readahead settings behind the scene...
RASZ=$(blockdev --getra "$dev1")
test "$RASZ" -ge 768 || RASZ=768
lvcreate -n $lv -L4m $vg "$dev1"
test "$(blockdev --getra "$DM_DEV_DIR/$vg/$lv")" -eq "$SZ"
test "$(blockdev --getra "$DM_DEV_DIR/$vg/$lv")" -eq "$RASZ"
lvremove -ff $vg
# Check default, active/inactive values for read_ahead / kernel_read_ahead