tools/testing/selftests/ublk/test_generic_10.sh

Source file repositories/reference/linux-study-clean/tools/testing/selftests/ublk/test_generic_10.sh

File Facts

System
Linux kernel
Corpus path
tools/testing/selftests/ublk/test_generic_10.sh
Extension
.sh
Size
562 bytes
Lines
30
Domain
Support Tooling And Documentation
Bucket
tools
Inferred role
Support Tooling And Documentation: tools
Status
atlas-only

Why This File Exists

Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.

Dependency Surface

Detected Declarations

Annotated Snippet

#!/bin/bash
# SPDX-License-Identifier: GPL-2.0

. "$(cd "$(dirname "$0")" && pwd)"/test_common.sh

ERR_CODE=0

if ! _have_feature "UPDATE_SIZE"; then
	exit "$UBLK_SKIP_CODE"
fi

_prep_test "null" "check update size"

dev_id=$(_add_ublk_dev -t null)
_check_add_dev $TID $?

size=$(_get_disk_size /dev/ublkb"${dev_id}")
size=$(( size / 2 ))
if ! "$UBLK_PROG" update_size -n "$dev_id" -s "$size"; then
	ERR_CODE=255
fi

new_size=$(_get_disk_size /dev/ublkb"${dev_id}")
if [ "$new_size" != "$size" ]; then
	ERR_CODE=255
fi

_cleanup_test
_show_result $TID $ERR_CODE

Annotation

Implementation Notes