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Add code comments to help better understanding

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Let's add some code comments to help better understanding, and
no code changes.

Signed-off-by: Lianbo Jiang <lijiang@redhat.com>
Acked-by: Baoquan He <bhe@redhat.com>
This commit is contained in:
Lianbo Jiang 2020-10-29 10:21:09 +08:00 committed by Kairui Song
parent bfd06661e8
commit cd85fe9165
2 changed files with 7 additions and 0 deletions
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3
dracut-early-kdump.sh
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@ -53,6 +53,9 @@ early_kdump_load()
EARLY_KEXEC_ARGS="$EARLY_KEXEC_ARGS -s"
fi
# Here, only output the messages, but do not save these messages
# to a file because the target disk may not be mounted yet, the
# earlykdump is too early.
ddebug "earlykdump: $KEXEC ${EARLY_KEXEC_ARGS} $standard_kexec_args \
--command-line=$EARLY_KDUMP_CMDLINE --initrd=$EARLY_KDUMP_INITRD \
$EARLY_KDUMP_KERNEL"

4
kdumpctl
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@ -719,6 +719,10 @@ load_kdump()
ddebug "$KEXEC $KEXEC_ARGS $standard_kexec_args --command-line=$KDUMP_COMMANDLINE --initrd=$TARGET_INITRD $KDUMP_KERNEL"
# The '12' represents an intermediate temporary file descriptor
# to store the standard error file descriptor '2', and later
# restore the error file descriptor with the file descriptor '12'
# and release it.
exec 12>&2
exec 2>> $KDUMP_LOG_PATH/kdump.log
PS4='+ $(date "+%Y-%m-%d %H:%M:%S") ${BASH_SOURCE}@${LINENO}: '