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dracut-logger: make $maxloglvl public
$maxloglvl might be useful to check, if expensive informational operation is going to be logged at all, before executing it.
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@ -76,9 +76,9 @@ __DRACUT_LOGGER__=1
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# - @var kmsgloglvl - logging level to /dev/kmsg (only for boot-time)
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# - @var logfile - log file which is used when @var fileloglvl is higher
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# than 0
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# and one global internal variable @var _maxloglvl which <b>must not</b> be
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# overwritten. @_maxloglvl is set by dlog_init() and holds maximum logging level
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# of those three and indicates that dlog_init() was run.
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# and one global variable @var maxloglvl which <b>must not</b> be overwritten.
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# @var maxloglvl is set by dlog_init() and holds maximum logging level of those
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# three and indicates that dlog_init() was run.
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#
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# Logging level set by the variable means that messages from this logging level
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# and above (FATAL is the highest) will be shown. Logging levels may be set
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@ -101,11 +101,11 @@ __DRACUT_LOGGER__=1
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# - @var kmsgloglvl = 0 (no logging)
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# set to 0
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#
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# @warning Function sets global variable @var _maxloglvl for internal use. Don't
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# overwrite it.
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# @warning Function sets global variable @var maxloglvl. See file doc for
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# details.
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dlog_init() {
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# Skip initialization if it's already done.
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[ -n "$_maxloglvl" ] && return 0
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[ -n "$maxloglvl" ] && return 0
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local ret=0; local errmsg
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@ -144,12 +144,12 @@ dlog_init() {
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fi
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fi
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local lvl
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_maxloglvl=0
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for lvl in $stdloglvl $sysloglvl $fileloglvl; do
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[ $lvl -gt $_maxloglvl ] && _maxloglvl=$lvl
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local lvl; local maxloglvl_l=0
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for lvl in $stdloglvl $sysloglvl $fileloglvl $kmsgloglvl; do
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[ $lvl -gt $maxloglvl_l ] && maxloglvl_l=$lvl
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done
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export _maxloglvl
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readonly maxloglvl=$maxloglvl_l
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export maxloglvl
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[ -n "$errmsg" ] && derror "$errmsg"
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@ -251,11 +251,11 @@ _dlvl2klvl() {
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# - @c INFO to @c info
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# - @c DEBUG and @c TRACE both to @c debug
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_do_dlog() {
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[ -z "$_maxloglvl" ] && return 0
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[ -z "$maxloglvl" ] && return 0
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local lvl="$1"; shift
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local lvlc=$(_lvl2char "$lvl") || return 0
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[ $lvl -le $_maxloglvl ] || return 0
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[ $lvl -le $maxloglvl ] || return 0
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local msg="$lvlc: $*"
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