diff options
| -rw-r--r-- | targetcli/ui_backstore.py | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/targetcli/ui_backstore.py b/targetcli/ui_backstore.py index 8692f22..9bc0c58 100644 --- a/targetcli/ui_backstore.py +++ b/targetcli/ui_backstore.py @@ -423,17 +423,17 @@ class UIFileIOBackstore(UIBackstore): raise ExecutionError("Could not open %s" % filename) try: if sparse: + os.ftruncate(f.fileno(), size) + else: + self.shell.log.info("Writing %d bytes" % size) try: + # Prior to version 3.3, Python does not provide fallocate os.posix_fallocate(f.fileno(), 0, size) except AttributeError: - # Prior to version 3.3, Python does not provide fallocate - os.ftruncate(f.fileno(), size) - else: - self.shell.log.info("Writing %d bytes" % size) - while size > 0: - write_size = min(size, 1024) - f.write("\0" * write_size) - size -= write_size + while size > 0: + write_size = min(size, 1024) + f.write("\0" * write_size) + size -= write_size except (OSError, IOError): os.remove(filename) raise ExecutionError("Could not expand file to %d bytes" % size) |