diff options
Diffstat (limited to 'winsup/cygwin/path.cc')
| -rw-r--r-- | winsup/cygwin/path.cc | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/winsup/cygwin/path.cc b/winsup/cygwin/path.cc index 9b3dc51da..f92bf8fe7 100644 --- a/winsup/cygwin/path.cc +++ b/winsup/cygwin/path.cc @@ -407,6 +407,10 @@ fs_info::update (PUNICODE_STRING upath, bool exists) FILE_FS_DEVICE_INFORMATION ffdi; FILE_FS_OBJECTID_INFORMATION ffoi; PFILE_FS_ATTRIBUTE_INFORMATION pffai; + const DWORD fvi_size = (NAME_MAX + 1) * sizeof (WCHAR) + + sizeof (FILE_FS_VOLUME_INFORMATION); + PFILE_FS_VOLUME_INFORMATION pfvi = (PFILE_FS_VOLUME_INFORMATION) + alloca (fvi_size); UNICODE_STRING fsname, testname; InitializeObjectAttributes (&attr, upath, OBJ_CASE_INSENSITIVE, NULL, NULL); @@ -438,6 +442,9 @@ fs_info::update (PUNICODE_STRING upath, bool exists) NtClose (vol); return false; } + status = NtQueryVolumeInformationFile (vol, &io, pfvi, fvi_size, + FileFsVolumeInformation); + sernum = NT_SUCCESS (status) ? pfvi->VolumeSerialNumber : 0; status = NtQueryVolumeInformationFile (vol, &io, &ffdi, sizeof ffdi, FileFsDeviceInformation); if (!NT_SUCCESS (status)) |