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device variable is %K not %k

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This commit is contained in:
Frede Hundewadt 2023-08-29 12:41:21 +02:00
parent 1400ba10e7
commit 48f1a4b081
3 changed files with 14 additions and 14 deletions
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8
.SRCINFO
View file

@ -1,13 +1,13 @@
pkgbase = udev-usb-sync
pkgdesc = Finetune writecache when USB storage device is plugged
pkgver = 0.1
pkgrel = 2
pkgdesc = Finetune write cache when USB storage device is plugged
pkgver = 0.2
pkgrel = 1
url = https://codeberg.org/wonky/udev-usb-sync
arch = any
license = MIT
depends = hdparm
provides = udev-usb-sync
source = 99-usb-sync.rules
sha256sums = 012b9991a9eee3149eb27e8d3c7b4d40b56bbfe2030ce84823a90c968410f8d0
sha256sums = d6cb851a9be886a5f36414e872e3176983fbc5aa428af41a07f5b54bfb53d764
pkgname = udev-usb-sync

12
99-usb-sync.rules
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@ -1,11 +1,11 @@
#
# rule to disable write cache for usb storage that supports write-cache command
# rule to disable write cache for usb storage
# requires hdparm to be installed
ACTION=="add|change", KERNEL=="sd[a-z]", ENV{ID_USB_TYPE}=="disk", RUN+="/usr/bin/hdparm -W 0 /dev/%k"
#ACTION=="add|change", KERNEL=="sd[a-z]", ENV{ID_USB_TYPE}=="disk", RUN+="[[ $(uname -r | awk -F'.' '{print $1 $2}') < 62 ]] && [[ $(which hdparm) =~ (hdparm) ]] && /usr/bin/hdparm -W 0 /dev/%K"
ACTION=="add|change", KERNEL=="sd[a-z]", ENV{ID_USB_TYPE}=="disk", RUN+="/usr/bin/hdparm -W 0 /dev/%K"
#
# the following rules is introduced with kernel 6.2
# rules to impose buffer limits on USB devices
# requires kernel > 6.1
# https://docs.kernel.org/admin-guide/abi-testing.html#abi-sys-class-bdi-bdi-strict-limit
# https://docs.kernel.org/admin-guide/abi-testing.html#abi-sys-class-bdi-bdi-max-ratio
# https://docs.kernel.org/admin-guide/abi-testing.html#abi-sys-class-bdi-bdi-max-bytes
ACTION=="add|change", KERNEL=="sd[a-z]", ENV{ID_USB_TYPE}=="disk", RUN+="/usr/bin/echo 1 > /sys/block/%k/bdi/strict_limit", RUN+="/usr/bin/echo 50 > /sys/block/%k/bdi/max_ratio", RUN+="/usr/bin/echo 16777216 > /sys/block/%k/bdi/max_bytes"
ACTION=="add|change", KERNEL=="sd[a-z]", ENV{ID_USB_TYPE}=="disk", RUN+="/usr/bin/echo 1 > /sys/block/%K/bdi/strict_limit", RUN+="/usr/bin/echo 50 > /sys/block/%K/bdi/max_ratio", RUN+="/usr/bin/echo 16777216 > /sys/block/%K/bdi/max_bytes"

8
PKGBUILD
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@ -1,15 +1,15 @@
# Maintainer: root.nix.dk
pkgname='udev-usb-sync'
pkgver=0.1
pkgrel=2
pkgdesc='Finetune writecache when USB storage device is plugged'
pkgver=0.2
pkgrel=1
pkgdesc='Finetune write cache when USB storage device is plugged'
arch=('any')
url='https://codeberg.org/wonky/udev-usb-sync'
license=('MIT')
depends=('hdparm')
provides=("${pkgname}")
source=('99-usb-sync.rules')
sha256sums=('012b9991a9eee3149eb27e8d3c7b4d40b56bbfe2030ce84823a90c968410f8d0')
sha256sums=('d6cb851a9be886a5f36414e872e3176983fbc5aa428af41a07f5b54bfb53d764')
package() {
install -d -m755 $pkgdir/etc/udev/rules.d