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test: Add size granularity parameter to mk_fs

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Without this commit it is only possible to create filesystem images
with a size granularity of 1MB.
This commit adds the option to create file systems with different
sizes, e.g 8.5MB.

Signed-off-by: Christian Taedcke <christian.taedcke@weidmueller.com>
This commit is contained in:
Christian Taedcke 2023-11-15 13:44:23 +01:00 • committed by Tom Rini
parent 1e85b66212
commit c667b26b26
1 changed files with 4 additions and 3 deletions
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7
test/py/tests/fs_helper.py
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@ -9,7 +9,7 @@ import re
import os import os
from subprocess import call, check_call, check_output, CalledProcessError from subprocess import call, check_call, check_output, CalledProcessError
def mk_fs(config, fs_type, size, prefix): def mk_fs(config, fs_type, size, prefix, size_gran = 0x100000):
"""Create a file system volume """Create a file system volume
Args: Args:
@ -17,6 +17,7 @@ def mk_fs(config, fs_type, size, prefix):
fs_type (str): File system type, e.g. 'ext4' fs_type (str): File system type, e.g. 'ext4'
size (int): Size of file system in bytes size (int): Size of file system in bytes
prefix (str): Prefix string of volume's file name prefix (str): Prefix string of volume's file name
size_gran (int): Size granularity of file system image in bytes
Raises: Raises:
CalledProcessError: if any error occurs when creating the filesystem CalledProcessError: if any error occurs when creating the filesystem
@ -38,7 +39,7 @@ def mk_fs(config, fs_type, size, prefix):
else: else:
fs_lnxtype = fs_type fs_lnxtype = fs_type
count = (size + 0x100000 - 1) // 0x100000 count = (size + size_gran - 1) // size_gran
# Some distributions do not add /sbin to the default PATH, where mkfs lives # Some distributions do not add /sbin to the default PATH, where mkfs lives
if '/sbin' not in os.environ["PATH"].split(os.pathsep): if '/sbin' not in os.environ["PATH"].split(os.pathsep):
@ -46,7 +47,7 @@ def mk_fs(config, fs_type, size, prefix):
try: try:
check_call(f'rm -f {fs_img}', shell=True) check_call(f'rm -f {fs_img}', shell=True)
check_call(f'dd if=/dev/zero of={fs_img} bs=1M count={count}', check_call(f'dd if=/dev/zero of={fs_img} bs={size_gran} count={count}',
shell=True) shell=True)
check_call(f'mkfs.{fs_lnxtype} {mkfs_opt} {fs_img}', shell=True) check_call(f'mkfs.{fs_lnxtype} {mkfs_opt} {fs_img}', shell=True)
if fs_type == 'ext4': if fs_type == 'ext4':