On 5/27/16 1:05 PM, Eric Sandeen wrote:
> So maybe something like this (not tested)
>
> + /* Test for the existence of a sysfs entry at /sys/fs/$FSTYP/$DEV/$ENTRY */
> +_require_fs_sys_fs()
> +{
> + local dev=$1
> + local target=$2
> + local dname=""
> + local tmp_mnt=`mktemp -d`
> +
> + if [ ! -b "$dev" -o -z "$target" ];then
> + echo "Usage: _require_fs_sys_fs <device> <sysfs_path>"
> + exit 1
> + fi
> +
> + dname=$(basename $(readlink -f $dev))
> + _mount -t $FSTYP `_common_dev_mount_options` $dev $tmp_mnt
> + if [ ! -e /sys/fs/${FSTYP}/${dname}/$target ];then
> + umount $tmp_mnt
> + rm -f $tmp_mnt
> + _notrun "/sys/fs/${FSTYP}/${dname}/$target: No such file or directory"
> + fi
> + umount $SCRATCH_MNT
> + rm -f $tmp_mnt
> +}
>
> and it would work for either SCRATCH or TEST?
I guess nothing guarantees that the device is already mkfs'd, at least
for scratch, so maybe it also needs to catch a mount failure,
with a message about "could not mount; mkfs first in your test?"
or something like that.
-Eric
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