Intel Extensible Firmware Interface Specification page 223

ModificationTime
Attribute
FileName
Description
The data structure supports
EFI_FILE_INFO
case of SetInfo()the following additional rules apply:
•
On directories, the file size is determined by the contents of the directory and cannot be
changed by setting FileSize. On directories,
•
The
PhysicalSize
ignored during a
SetInfo()
•
The
EFI_FILE_DIRECTORY
type.
•
A value of zero in CreateTime, LastAccess, or
to be ignored (and not updated).
Version 1.02
The time when the file's contents were last modified.
The attribute bits for the file. See "Related Definitions".
The Null-terminated Unicode name of the file.
GetInfo()
is determined by the
FileSize
request.
attribute bit cannot be changed. It must match the file's actual
12/12/00
File System Protocol
and
SetInfo()
is ignored during a SetInfo().
FileSize
and cannot be changed. This value is
ModificationTime
requests. In the
causes the fields
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