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-rw-r--r--test/py/tests/fs_helper.py11
1 files changed, 7 insertions, 4 deletions
diff --git a/test/py/tests/fs_helper.py b/test/py/tests/fs_helper.py
index 9882ddb1da..380f4c4dca 100644
--- a/test/py/tests/fs_helper.py
+++ b/test/py/tests/fs_helper.py
@@ -9,7 +9,7 @@ import re
import os
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
Args:
@@ -17,6 +17,7 @@ def mk_fs(config, fs_type, size, prefix):
fs_type (str): File system type, e.g. 'ext4'
size (int): Size of file system in bytes
prefix (str): Prefix string of volume's file name
+ size_gran (int): Size granularity of file system image in bytes
Raises:
CalledProcessError: if any error occurs when creating the filesystem
@@ -24,7 +25,9 @@ def mk_fs(config, fs_type, size, prefix):
fs_img = f'{prefix}.{fs_type}.img'
fs_img = os.path.join(config.persistent_data_dir, fs_img)
- if fs_type == 'fat16':
+ if fs_type == 'fat12':
+ mkfs_opt = '-F 12'
+ elif fs_type == 'fat16':
mkfs_opt = '-F 16'
elif fs_type == 'fat32':
mkfs_opt = '-F 32'
@@ -36,7 +39,7 @@ def mk_fs(config, fs_type, size, prefix):
else:
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
if '/sbin' not in os.environ["PATH"].split(os.pathsep):
@@ -44,7 +47,7 @@ def mk_fs(config, fs_type, size, prefix):
try:
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)
check_call(f'mkfs.{fs_lnxtype} {mkfs_opt} {fs_img}', shell=True)
if fs_type == 'ext4':