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71 lines
1.7 KiB
Plaintext
71 lines
1.7 KiB
Plaintext
# source this file in "xxx_check" scripts
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# variable FSCK should be set to the file sysem check program
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# $FSCK start <dev> <id> <options>
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# $FSCK status <dev> <id>
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# $FSCK cancel <dev> <id>
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# Exit codes:
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# 0 - No corruption detected
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# N - refer to individual file system check programs
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# 8 - No check has been run yet or previous check cancelled
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# 9 - Process is still running.
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DEV="$2"
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ID="$3"
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OPTIONS="$4"
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START_CMD="$(basename $0) start $2 $3"
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OUTDIR="/var/lib/check"
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mkdir -p "$OUTDIR"
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case "$1" in
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'start')
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# Start the process in the background and log output
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rm -f "${OUTDIR}/check.status.${ID}"
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rm -f "${OUTDIR}/check.status.${ID}.exit"
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(
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$FSCK $OPTIONS $DEV &> "${OUTDIR}/check.status.${ID}"
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echo $? > "${OUTDIR}/check.status.${ID}.exit"
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) </dev/null &>/dev/null &
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exit 0
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;;
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'status')
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# return status file if available
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if [[ -f "${OUTDIR}/check.status.${ID}" ]]; then
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cat "${OUTDIR}/check.status.${ID}"
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else
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echo "Not available"
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fi
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# Check if the process is still running
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if pgrep -f "$START_CMD" &> /dev/null ; then
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# Process is running, return exit code 9
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exit 9
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fi
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# Process is not running, read the exit status if available
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if [[ -f "${OUTDIR}/check.status.${ID}.exit" ]]; then
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exit_status=$(cat "${OUTDIR}/check.status.${ID}.exit")
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if [[ $exit_status -lt 8 ]]; then
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exit $exit_status
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fi
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fi
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exit 8
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;;
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'cancel')
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# Cancel the process
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if pkill -f "$START_CMD" &> /dev/null ; then
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echo -e "\nCancelled" >> "${OUTDIR}/check.status.${ID}"
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fi
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exit 8
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;;
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*)
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# Handle invalid commands
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echo "Invalid command"
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exit 0
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;;
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esac
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