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From dd235965dd7b5de9dd87e5e5a4244005c5fb21e2 Mon Sep 17 00:00:00 2001
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From: Harald Hoyer <harald@redhat.com>
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Date: Mon, 19 Feb 2018 09:03:02 +0100
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Subject: [PATCH] dracut-function.sh:check_block_and_slaves() check for block
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devices
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Some nvme have char parents, so check if the "slave" is a block dev.
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Fixes https://github.com/dracutdevs/dracut/issues/373
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Cherry-picked from: e64dafd1f2489f1d926cce3e3bfd33f62b29b192
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Resolves: #1549498
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---
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dracut-functions.sh | 18 ++++++++++--------
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1 file changed, 10 insertions(+), 8 deletions(-)
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diff --git a/dracut-functions.sh b/dracut-functions.sh
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index 98a4b88b..ca54bd7f 100755
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--- a/dracut-functions.sh
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+++ b/dracut-functions.sh
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@@ -616,13 +616,14 @@ check_block_and_slaves() {
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[[ -b /dev/block/$2 ]] || return 1 # Not a block device? So sorry.
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if ! lvm_internal_dev $2; then "$1" $2 && return; fi
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check_vol_slaves "$@" && return 0
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- if [[ -f /sys/dev/block/$2/../dev ]]; then
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+ if [[ -f /sys/dev/block/$2/../dev ]] && [[ /sys/dev/block/$2/../subsystem -ef /sys/class/block ]]; then
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check_block_and_slaves $1 $(<"/sys/dev/block/$2/../dev") && return 0
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fi
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[[ -d /sys/dev/block/$2/slaves ]] || return 1
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- for _x in /sys/dev/block/$2/slaves/*/dev; do
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- [[ -f $_x ]] || continue
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- check_block_and_slaves $1 $(<"$_x") && return 0
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+ for _x in /sys/dev/block/$2/slaves/*; do
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+ [[ -f $_x/dev ]] || continue
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+ [[ $_x/subsystem -ef /sys/class/block ]] || continue
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+ check_block_and_slaves $1 $(<"$_x/dev") && return 0
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done
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return 1
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}
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@@ -634,13 +635,14 @@ check_block_and_slaves_all() {
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_ret=0
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fi
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check_vol_slaves_all "$@" && return 0
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- if [[ -f /sys/dev/block/$2/../dev ]]; then
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+ if [[ -f /sys/dev/block/$2/../dev ]] && [[ /sys/dev/block/$2/../subsystem -ef /sys/class/block ]]; then
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check_block_and_slaves_all $1 $(<"/sys/dev/block/$2/../dev") && _ret=0
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fi
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[[ -d /sys/dev/block/$2/slaves ]] || return 1
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- for _x in /sys/dev/block/$2/slaves/*/dev; do
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- [[ -f $_x ]] || continue
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- check_block_and_slaves_all $1 $(<"$_x") && _ret=0
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+ for _x in /sys/dev/block/$2/slaves/*; do
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+ [[ -f $_x/dev ]] || continue
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+ [[ $_x/subsystem -ef /sys/class/block ]] || continue
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+ check_block_and_slaves_all $1 $(<"$_x/dev") && _ret=0
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done
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return $_ret
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}
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