2.2.11 VOLUME_INFO

The VOLUME_INFO structure provides information about a volume.

 typedef struct volumeinfo {
   LdmObjectId id;
   VOLUMETYPE type;
   VOLUMELAYOUT layout;
   LONGLONG length;
   LdmObjectId fsId;
   unsigned long memberCount;
   VOLUMESTATUS status;
   LONGLONG lastKnownState;
   LdmObjectId taskId;
   unsigned long vflags;
 } VOLUME_INFO;

id: Specifies the object identifier (OID) for the volume.

type: Specifies the volume type.

layout: Specifies the volume layout.

length: Specifies the length of the volume in bytes.

fsId: Specifies the object identifier for the volume's file system, which defaults to 0 if no file system is present on the volume.

memberCount: Specifies the number of regions that compose the volume.

status: Specifies the volume status.

lastKnownState: Specifies the volume's modification sequence number.

taskId: Specifies the task identifier of the associated user request. If no request is made, the value is 0. For more information, see section 2.2.17.

vflags: Specifies the bitmap of volume flags. The value of this field is generated by combining zero or more of the following applicable flags with a logical OR operation.

This field MUST be one of the following values.

Value	Meaning
VOLUME_FORMAT_IN_PROGRESS 0x00000001	Volume is currently being formatted.
VOLUME_HAS_PAGEFILE 0x00000004	Volume contains the paging file.
VOLUME_IS_BOOT_VOLUME 0x00000100	Volume contains the boot partition.
VOLUME_IS_RESTARTABLE 0x00000400	The RestartVolume method can be successfully called on this volume.
VOLUME_IS_SYSTEM_VOLUME 0x00000800	Volume contains the system directory.
VOLUME_HAS_RETAIN_PARTITION 0x00001000	Volume has an underlying partition.
VOLUME_HAD_BOOT_INI 0x00002000	Volume contained the Boot.ini file used when the operating system was last started.
VOLUME_CORRUPT 0x00004000	Volume is corrupt.
VOLUME_HAS_CRASHDUMP 0x00008000	Volume contains a crash dump file.
VOLUME_IS_CURR_BOOT_VOLUME 0x00010000	Volume is the current boot volume.
VOLUME_HAS_HIBERNATION 0x00020000	Volume contains a hibernation image.