MiPad4/android_device_xiaomi_sdm660-common
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post_boot: Update nodes of read_ahead_kb configs

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check populated dm-* nodes and Update read_ahead_kb
values to them. This is needed because on targets
with verity disabled dm-0 to dm-6 are populated,
while on enabled targets dm-3 to dm-6 are populated.

Change-Id: Ia4e262d7487120695db53b562b5764598fd40a87
This commit is contained in:
Divyanand Rangu 2020-02-03 21:57:24 +05:30 committed by Max Weffers
parent a0d3f4cd64
commit a293622e25
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GPG key ID: 795F73D22FB93FAE
1 changed files with 8 additions and 10 deletions
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18
rootdir/bin/init.qcom.post_boot.sh
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@ -401,24 +401,22 @@ function configure_read_ahead_kb_values() {
MemTotalStr=`cat /proc/meminfo | grep MemTotal`
MemTotal=${MemTotalStr:16:8}
dmpts=$(ls /sys/block/*/queue/read_ahead_kb | grep -e dm -e mmc)
# Set 128 for <= 3GB &
# set 512 for >= 4GB targets.
if [ $MemTotal -le 3145728 ]; then
echo 128 > /sys/block/mmcblk0/bdi/read_ahead_kb
echo 128 > /sys/block/mmcblk0/queue/read_ahead_kb
echo 128 > /sys/block/mmcblk0rpmb/bdi/read_ahead_kb
echo 128 > /sys/block/mmcblk0rpmb/queue/read_ahead_kb
echo 128 > /sys/block/dm-0/queue/read_ahead_kb
echo 128 > /sys/block/dm-1/queue/read_ahead_kb
echo 128 > /sys/block/dm-2/queue/read_ahead_kb
for dm in $dmpts; do
echo 128 > $dm
done
else
echo 512 > /sys/block/mmcblk0/bdi/read_ahead_kb
echo 512 > /sys/block/mmcblk0/queue/read_ahead_kb
echo 512 > /sys/block/mmcblk0rpmb/bdi/read_ahead_kb
echo 512 > /sys/block/mmcblk0rpmb/queue/read_ahead_kb
echo 512 > /sys/block/dm-0/queue/read_ahead_kb
echo 512 > /sys/block/dm-1/queue/read_ahead_kb
echo 512 > /sys/block/dm-2/queue/read_ahead_kb
for dm in $dmpts; do
echo 512 > $dm
done
fi
}