10 lines
192 B
Bash
10 lines
192 B
Bash
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#!/bin/sh
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DEVICE="$1"; shift
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ACTION="$1"; shift
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MAINPID="$1"
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BTRFS=/bin/btrfs
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[ x"$MAINPID" = "x" ] && exit 0
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/bin/ps h -o command -p "$MAINPID" && $BTRFS $ACTION cancel "$DEVICE" || exit 0
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