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05/09/2024 07:13:20 AM
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ata_id
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03/02/2023 12:58:02 PM
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bcache-export-cached
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08/05/2020 08:44:05 PM
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bcache-register
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cdrom_id
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collect
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hdparm
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02/22/2018 01:51:46 PM
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hwclock-set
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09/16/2020 06:43:15 PM
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hwdb.bin
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10/28/2024 06:50:46 AM
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hwdb.d
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10/28/2024 06:50:29 AM
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mtd_probe
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03/02/2023 12:58:02 PM
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probe-bcache
9.99 KB
08/05/2020 08:44:05 PM
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rules.d
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10/28/2024 06:50:29 AM
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scsi_id
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snappy-app-dev
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05/29/2023 12:10:12 PM
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v4l_id
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Editing: bcache-export-cached
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#!/bin/sh # # This program reads the bcache superblock on bcacheX slaves to extract the # dev.uuid and dev.label which refer to a specific backing device. # # It integrates with udev 'import' by writing CACHED_UUID=X and optionally # CACHED_LABEL=X for the backing device of the provided bcache device. # Ignore caching devices by skipping unless sb.version=1 # # There is 1 and only 1 backing device (slaves/*) for a bcache device. TEMPNODE=${1} # /dev/bcacheN DEVNAME=${TEMPNODE##*/} # /dev/bcacheN -> bcacheN for slave in "/sys/class/block/$DEVNAME/slaves"/*; do [ -d "$slave" ] || continue /usr/sbin/bcache-super-show "/dev/${slave##*/}" | gawk '$1 == "sb.version" { sbver=$2; } $1 == "dev.uuid" { uuid=$2; } $1 == "dev.label" && $2 != "(empty)" { label=$2; } END { if (sbver == 1 && uuid) { print("CACHED_UUID=" uuid) if (label) print("CACHED_LABEL=" label) exit(0) } exit(1); }' # gawk exits 0 if it found a backing device. [ $? -eq 0 ] && exit 0 done