Sorry, I sent wrong patch. Please ignore this patch.
This's not the real [PATCH 1/2]. I'll resend both patches later.
Thanks,
Zorro
----- 原始邮件 -----
> 发件人: "Zorro Lang" <zlang@xxxxxxxxxx>
> 收件人: fstests@xxxxxxxxxxxxxxx
> 抄送: xfs@xxxxxxxxxxx, "Zorro Lang" <zlang@xxxxxxxxxx>
> 发送时间: 星期六, 2016年 8 月 20日 上午 1:51:44
> 主题: [PATCH 1/2] common/rc: add functions to check or write objects under /sys/fs/$FSTYP
>
> XFS add more configurations in /sys/fs/xfs recently. For use
> them, this patch add some common functions for:
> 1. "require" a file/dir in /sys/fs/${FSTYP}.
> 2. write a file in /sys/fs/${FSTYP}.
>
> For common use, these functions can be used by other filesystems.
>
> Signed-off-by: Zorro Lang <zlang@xxxxxxxxxx>
> ---
> common/rc | 42 ++++++++++++++++++++++++++++++++++++++++++
> 1 file changed, 42 insertions(+)
>
> diff --git a/common/rc b/common/rc
> index 51092a0..d5edfef 100644
> --- a/common/rc
> +++ b/common/rc
> @@ -3556,6 +3556,48 @@ run_fsx()
> fi
> }
>
> +# Test for the existence of a sysfs entry at /sys/fs/$FSTYP/$DEV/$ENTRY
> +_require_fs_sysfs()
> +{
> + local dev=$1
> + local entry=$2
> + local tmp_mnt=`mktemp -d`
> +
> + if [ ! -b "$dev" -o -z "$entry" ];then
> + _fail "Usage: _require_fs_sysfs <device> <sysfs_path>"
> + fi
> +
> + local dname=$(_short_dev $dev)
> + _mount -t $FSTYP `_common_dev_mount_options` $dev $tmp_mnt
> + if [ $? -ne 0 ];then
> + rm -f $tmp_mnt
> + _fail "_require_fs_sysfs: could not mount, mkfs first in your test?"
> + elif [ ! -e /sys/fs/${FSTYP}/${dname}/${entry} ];then
> + $UMOUNT_PROG $tmp_mnt
> + rm -f $tmp_mnt
> + _notrun "/sys/fs/${FSTYP}/${dname}/${entry}: No such file or directory"
> + fi
> + $UMOUNT_PROG $tmp_mnt
> + rm -rf $tmp_mnt
> +}
> +
> +# Write "content" into /sys/fs/$FSTYP/$DEV/$ENTRY
> +_set_fs_sysfs_param()
> +{
> + local dev=$1
> + shift
> + local entry=$1
> + shift
> + local content="$*"
> +
> + if [ ! -b "$dev" -o -z "$entry" -o -z "$content" ];then
> + _fail "Usage: _set_sys_fs_param <mounted_device> <entry> <content>"
> + fi
> +
> + local dname=$(_short_dev $dev)
> + echo "$content" > /sys/fs/${FSTYP}/${dname}/${entry}
> +}
> +
> init_rc
>
> ################################################################################
> --
> 2.5.5
>
> --
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