On 29/09/2023 07:16, Boris Burkov wrote:
Expand the has/get/require functions to allow passing a dev by
parameter, and implement the test_dev specific one in terms of the new
generic one.
Signed-off-by: Boris Burkov <boris@xxxxxx>
looks good. The diff is confusing.
Reviewed-by: Anand Jain <anand.jain@xxxxxxxxxx>
a small nit below.
+# Test for the existence of a sysfs entry at /sys/fs/$FSTYP/$DEV/$ATTR
+#
+# All arguments are necessary, and in this order:
+# - dev: device name, e.g. $SCRATCH_DEV
+# - attr: path name under /sys/fs/$FSTYP/$dev
+#
+# Usage example:
+# _has_fs_sysfs_attr /dev/mapper/scratch-dev error/fail_at_unmount
+_has_fs_sysfs_attr()
+{
+ local dev=$1
+ local attr=$2
+
+ if [ ! -b "$dev" -o -z "$attr" ];then
+ _fail "Usage: _get_fs_sysfs_attr <mounted_device> <attr>"
^^^
_has_fs_sysfs_attr
No need to resend.
Thanks, Anand
+ fi
+
+ local dname=$(_fs_sysfs_dname $dev)
+
+ test -e /sys/fs/${FSTYP}/${dname}/${attr}
+}
+
+# Require the existence of a sysfs entry at /sys/fs/$FSTYP/$DEV/$ATTR
+# All arguments are necessary, and in this order:
+# - dev: device name, e.g. $SCRATCH_DEV
+# - attr: path name under /sys/fs/$FSTYP/$dev
+#
+# Usage example:
+# _require_fs_sysfs_attr /dev/mapper/scratch-dev error/fail_at_unmount
+_require_fs_sysfs_attr()
+{
+ _has_fs_sysfs_attr "$@" && return
+
+ local dev=$1
+ local attr=$2
+ local dname=$(_fs_sysfs_dname $dev)
+
+ _notrun "This test requires /sys/fs/${FSTYP}/${dname}/${attr}"
+}
+
+# Test for the existence of a sysfs entry at /sys/fs/$FSTYP/DEV/$ATTR
+#
+# Only one argument is needed:
+# - attr: path name under /sys/fs/$FSTYP/DEV
+#
+# Usage example:
+# _has_fs_sysfs error/fail_at_unmount
+_has_fs_sysfs()
+{
+ _has_fs_sysfs_attr $TEST_DEV "$@"
+}
+
+# Require the existence of a sysfs entry at /sys/fs/$FSTYP/DEV/$ATTR
+_require_fs_sysfs()
+{
+ _has_fs_sysfs "$@" && return
+
+ local attr=$1
+ local dname=$(_short_dev $TEST_DEV)
+
+ _notrun "This test requires /sys/fs/${FSTYP}/${dname}/${attr}"
+}
+
# Generic test for specific filesystem feature.
# Currently only implemented to test overlayfs features.
_require_scratch_feature()