def finalize_put():
# Write the metadata before calling fsync() so that both data and
# metadata are flushed to disk.
write_metadata(self.fd, metadata)
# We call fsync() before calling drop_cache() to lower the amount
# of redundant work the drop cache code will perform on the pages
# (now that after fsync the pages will be all clean).
fsync(self.fd)
# From the Department of the Redundancy Department, make sure
# we call drop_cache() after fsync() to avoid redundant work
# (pages all clean).
drop_buffer_cache(self.fd, 0, self.upload_size)
invalidate_hash(os.path.dirname(self.disk_file.datadir))
# After the rename completes, this object will be available for
# other requests to reference.
renamer(self.tmppath, os.path.join(self.disk_file.datadir, timestamp + extension))
def _finalize_put(self, metadata, target_path):
# Write the metadata before calling fsync() so that both data and
# metadata are flushed to disk.
write_metadata(self.fd, metadata)
# We call fsync() before calling drop_cache() to lower the amount
# of redundant work the drop cache code will perform on the pages
# (now that after fsync the pages will be all clean).
fsync(self.fd)
# From the Department of the Redundancy Department, make sure
# we call drop_cache() after fsync() to avoid redundant work
# (pages all clean).
drop_buffer_cache(self.fd, 0, self.upload_size)
invalidate_hash(dirname(self.disk_file.datadir))
# After the rename completes, this object will be available for
# other requests to reference.
renamer(self.tmppath, target_path)
hash_cleanup_listdir(self.disk_file.datadir)
def _finalize_put(self, metadata, target_path):
# Write the metadata before calling fsync() so that both data and
# metadata are flushed to disk.
write_metadata(self._fd, metadata)
# We call fsync() before calling drop_cache() to lower the amount of
# redundant work the drop cache code will perform on the pages (now
# that after fsync the pages will be all clean).
fsync(self._fd)
# From the Department of the Redundancy Department, make sure we call
# drop_cache() after fsync() to avoid redundant work (pages all
# clean).
drop_buffer_cache(self._fd, 0, self._upload_size)
invalidate_hash(dirname(self._datadir))
# After the rename completes, this object will be available for other
# requests to reference.
renamer(self._tmppath, target_path)
hash_cleanup_listdir(self._datadir)
def _finalize_put(self, metadata, target_path):
#在调用fsync（）之前写元数据，因此，元数据和数据都刷到磁盘上
# Write the metadata before calling fsync() so that both data and
# metadata are flushed to disk.
write_metadata(self.fd, metadata)
# We call fsync() before calling drop_cache() to lower the amount
# of redundant work the drop cache code will perform on the pages
# (now that after fsync the pages will be all clean).
fsync(self.fd)
# From the Department of the Redundancy Department, make sure
# we call drop_cache() after fsync() to avoid redundant work
# (pages all clean).
drop_buffer_cache(self.fd, 0, self.upload_size)
invalidate_hash(dirname(self.disk_file.datadir))
# After the rename completes, this object will be available for
# other requests to reference.
renamer(self.tmppath, target_path)
hash_cleanup_listdir(self.disk_file.datadir)
