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contrib/dracut: 90: generator: only log to kmsg if debug set on cmdline 

"debug" is also used by systemd itself, and there's really no reason for
the generator to write this much garbage by default

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz>
Closes #11898
This commit is contained in:
наб 2021-04-13 22:37:59 +02:00 committed by Brian Behlendorf
parent ae8dd6676b
commit 8d869cd840
1 changed files with 7 additions and 4 deletions
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11
contrib/dracut/90zfs/zfs-generator.sh.in
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@ -1,6 +1,7 @@
#!/bin/sh
echo "zfs-generator: starting" >> /dev/kmsg
grep -wq debug /proc/cmdline && debug=1
[ -n "$debug" ] && echo "zfs-generator: starting" >> /dev/kmsg
GENERATOR_DIR="$1"
[ -n "$GENERATOR_DIR" ] || {
@ -12,7 +13,7 @@ GENERATOR_DIR="$1"
[ -f /usr/lib/dracut/modules.d/99base/dracut-lib.sh ] && dracutlib=/usr/lib/dracut/modules.d/99base/dracut-lib.sh
command -v getarg >/dev/null 2>&1 || {
echo "zfs-generator: loading Dracut library from $dracutlib" >> /dev/kmsg
[ -n "$debug" ] && echo "zfs-generator: loading Dracut library from $dracutlib" >> /dev/kmsg
. "$dracutlib"
}
@ -34,7 +35,7 @@ case ",${rootflags}," in
*) rootflags="zfsutil,${rootflags}" ;;
esac
echo "zfs-generator: writing extension for sysroot.mount to $GENERATOR_DIR"/sysroot.mount.d/zfs-enhancement.conf >> /dev/kmsg
[ -n "$debug" ] && echo "zfs-generator: writing extension for sysroot.mount to $GENERATOR_DIR/sysroot.mount.d/zfs-enhancement.conf" >> /dev/kmsg
[ -d "$GENERATOR_DIR" ] || mkdir "$GENERATOR_DIR"
[ -d "$GENERATOR_DIR"/sysroot.mount.d ] || mkdir "$GENERATOR_DIR"/sysroot.mount.d
@ -67,4 +68,6 @@ ln -s ../sysroot.mount "$GENERATOR_DIR"/initrd-root-fs.target.requires/sysroot.m
echo "After=zfs-import.target"
} > "$GENERATOR_DIR"/dracut-pre-mount.service.d/zfs-enhancement.conf
echo "zfs-generator: finished" >> /dev/kmsg
[ -n "$debug" ] && echo "zfs-generator: finished" >> /dev/kmsg
exit 0