nikon/tuned
1
0
Fork 0
Code Activity Actions

functions: fixed sysfs save to work with options

Browse source 
E.g.:
$ cat /sys/block/sda/queue/scheduler
noop [deadline] cfq

The 'save_sys' function needs to save 'deadline', not 'noop [deadline] cfq'.

Resolves: rhbz#1251507

Signed-off-by: Jaroslav Škarvada <jskarvad@redhat.com>
This commit is contained in:
Jaroslav Škarvada 2015-08-21 16:33:19 +02:00
parent d7cdf56108
commit 04c5222abc
1 changed files with 13 additions and 2 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

15
profiles/functions
View file

@ -21,11 +21,22 @@ save_value() {
[ "$2" -a -e "${STORAGE}" ] && echo "$2" > "${STORAGE}/${1}${STORAGE_SUFFIX}"
}
# Parse sysfs value, i.e. for "val1 [val2] val3" return "val2"
# $0 SYSFS_NAME
parse_sys() {
local V1 V2
[ -r "$1" ] || return
V1=`cat "$1"`
V2="${V1##*[}"
V2="${V2%%]*}"
echo "${V2:-$V1}"
}
# Save sysfs value
# $0 STORAGE_NAME SYSFS_NAME
save_sys() {
[ "$#" -ne 2 ] && return
[ -r "$2" -a ! -e "${STORAGE}/${1}${STORAGE_SUFFIX}" ] && cat "$2" > "${STORAGE}/${1}${STORAGE_SUFFIX}"
[ -r "$2" -a ! -e "${STORAGE}/${1}${STORAGE_SUFFIX}" ] && parse_sys "$2" > "${STORAGE}/${1}${STORAGE_SUFFIX}"
}
# Set sysfs value
@ -105,7 +116,7 @@ set_elevator() {
# $0 DEVICES [ELEVATOR]
restore_elevator() {
re_elevator="$2"
[ "$re_elevator" ] || re_elevator = cfq
[ "$re_elevator" ] || re_elevator=cfq
_set_elevator_helper restore_sys "$1" "$re_elevator"
}