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46 lines
2.3 KiB
Text
46 lines
2.3 KiB
Text
# This rules file is part of udev-usb-sync package
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#
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# MIT License
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#
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# Copyright (c) 2023 Frede Hundewadt (@linux-aarhus)
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#
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# Permission is hereby granted, free of charge,to any person obtaining a copy
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# of this software and associated documentation files (the "Software"),
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# to deal in the Software without restriction, including without limitation
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# the rights to use, copy, modify, merge, publish, distribute, sublicense,
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# and/or sell copies of the Software, and to permit persons to whom the
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# Software is furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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# @linux-aarhus - root.nix.dk
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#
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# configuration : /etc/usb-dev-sync/usb-dev-sync.conf
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# triggered by : /usr/lib/udev/rules.d/99-usb-sync.rules
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#
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# contributors: @megavolt (Manjaro Forum)
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# : @linux-aarhus (Manjaro Forum)
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# inspired by : @kwg (EndeavourOS Forum)
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# rule to disable write cache for usb storage
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# requires hdparm to be installed
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ACTION=="add|change", KERNEL=="sd[a-z]", ENV{ID_USB_TYPE}=="disk", RUN+="/usr/bin/hdparm -W 0 /dev/%k"
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# rules to impose buffer limits on USB devices
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# implemented using: /usr/bin/udev-usb-sync
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# see configuration: /etc/udev-usb-sync/udev-usb-sync.conf
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# Works since Linux 6.2
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ACTION=="add|change", KERNEL=="sd[a-z]", ENV{ID_USB_TYPE}=="disk", ATTRS{speed}=="12", RUN+="/usr/bin/udev-usb-sync %k 12"
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ACTION=="add|change", KERNEL=="sd[a-z]", ENV{ID_USB_TYPE}=="disk", ATTRS{speed}=="480", RUN+="/usr/bin/udev-usb-sync %k 480"
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ACTION=="add|change", KERNEL=="sd[a-z]", ENV{ID_USB_TYPE}=="disk", ATTRS{speed}=="5000", RUN+="/usr/bin/udev-usb-sync %k 5000"
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ACTION=="add|change", KERNEL=="sd[a-z]", ENV{ID_USB_TYPE}=="disk", ATTRS{speed}=="10000", RUN+="/usr/bin/udev-usb-sync %k 10000"
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