mirror of
https://codeberg.org/wonky/udev-usb-sync.git
synced 2024-09-19 23:30:37 +02:00
11 lines
778 B
Text
11 lines
778 B
Text
#
|
|
# rule to disable write cache for usb storage that supports write-cache command
|
|
# 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"
|
|
#
|
|
# the following rules is introduced with kernel 6.2
|
|
# 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"
|
|
|