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storage/reflink: Add IOCTL definitions for ppc64le

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Update the hardcoded x86_64-only IOCTL constants to match the correct
values for the host architecture.
This commit is contained in:
Shawn Anastasio 2021-02-08 20:15:57 -06:00
parent d3d6b9de2b
commit 801a8f7154
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GPG Key ID: 1FECF9CB6170B279
1 changed files with 12 additions and 2 deletions
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14
qubes/storage/reflink.py
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@ -32,16 +32,26 @@ import logging
import os
import subprocess
import tempfile
import platform
import sys
from contextlib import contextmanager, suppress
import qubes.storage
import qubes.utils
FICLONE = 1074041865 # defined in <linux/fs.h>, assuming sizeof(int)==4
HOST_MACHINE = platform.machine()
if HOST_MACHINE == "x86_64":
FICLONE = 0x40049409 # defined in <linux/fs.h>
elif HOST_MACHINE == "ppc64le":
FICLONE = 0x80049409
else:
print("Missing IOCTL definitions for platform {}".format(HOST_MACHINE))
sys.exit(1)
LOOP_SET_CAPACITY = 0x4C07 # defined in <linux/loop.h>
LOGGER = logging.getLogger('qubes.storage.reflink')
def _coroutinized(function):
''' Wrap a synchronous function in a coroutine that runs the
function via the event loop's ThreadPool-based default