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sync the containing directory also

This commit is contained in:
Thomas Waldmann 2016-07-01 02:07:30 +02:00
parent fde5a60549
commit 99566a31c0
2 changed files with 14 additions and 0 deletions

View file

@ -1,5 +1,16 @@
import os
import sys
# POSIX-only, from borg 1.1 platform.base
def sync_dir(path):
fd = os.open(path, os.O_RDONLY)
try:
os.fsync(fd)
finally:
os.close(fd)
if sys.platform.startswith('linux'): # pragma: linux only
from .platform_linux import acl_get, acl_set, API_VERSION
elif sys.platform.startswith('freebsd'): # pragma: freebsd only

View file

@ -16,6 +16,7 @@
from .hashindex import NSIndex
from .locking import UpgradableLock, LockError, LockErrorT
from .lrucache import LRUCache
from .platform import sync_dir
MAX_OBJECT_SIZE = 20 * 1024 * 1024
MAGIC = b'BORG_SEG'
@ -600,6 +601,7 @@ def get_write_fd(self, no_new=False, raise_full=False):
dirname = os.path.join(self.path, 'data', str(self.segment // self.segments_per_dir))
if not os.path.exists(dirname):
os.mkdir(dirname)
sync_dir(os.path.join(self.path, 'data'))
self._write_fd = open(self.segment_filename(self.segment), 'ab')
self._write_fd.write(MAGIC)
self.offset = MAGIC_LEN
@ -744,4 +746,5 @@ def close_segment(self):
# avoids spoiling the cache for the OS and other processes.
os.posix_fadvise(self._write_fd.fileno(), 0, 0, os.POSIX_FADV_DONTNEED)
self._write_fd.close()
sync_dir(os.path.dirname(self._write_fd.name))
self._write_fd = None