Lvm Class Reference

Classes
struct	disk_locn
struct	label_header
struct	List
class	ListWithCount
struct	mda_header
struct	PV
	Physical volume. More...
struct	pv_header
struct	raw_locn
class	Uuid
class	Xlated

Static Public Member Functions
static void	find (MyDiskHelper *disk, unsigned disknum)

Private Types
enum	{   SECTOR_SHIFT = 9L, SECTOR_SIZE = 1L << SECTOR_SHIFT, LABEL_SIZE = SECTOR_SIZE, LABEL_SCAN_SECTORS = 4L,   LABEL_SCAN_SIZE = LABEL_SCAN_SECTORS << SECTOR_SHIFT, INITIAL_CRC = 0xf597a6cf, ID_LEN = 32, NAME_LEN = 128,   FMTT_VERSION = 1, MDA_HEADER_SIZE = 512 }

Private Member Functions
template<typename T >
class Lvm::Xlated	__attribute__ ((packed))
struct Lvm::label_header	__attribute__ ((packed))
struct Lvm::disk_locn	__attribute__ ((packed))
struct Lvm::pv_header	__attribute__ ((packed))
struct Lvm::raw_locn	__attribute__ ((packed))
struct Lvm::mda_header	__attribute__ ((packed))
unsigned	scan_pvs (unsigned disknum)
	Scans physical volumes for LVM labels.
unsigned	find_vgs (unsigned disknum)
	Reads metadata from disks and constructs volume groups.
	Lvm (MyDiskHelper *disk)

Static Private Member Functions
template<typename T >
static T	xlate (const T v)
static bool	isspace (const char c)
static bool	isalnum (const char c)
static bool	validate_name (const char *n)

Private Attributes
struct Lvm::List	__attribute__
MyDiskHelper *	disk
ListWithCount< PV >	pvs

Member Enumeration Documentation

anonymous enum

private

Enumerator:

SECTOR_SHIFT
SECTOR_SIZE
LABEL_SIZE
LABEL_SCAN_SECTORS
LABEL_SCAN_SIZE
INITIAL_CRC
ID_LEN
NAME_LEN
FMTT_VERSION
MDA_HEADER_SIZE

Constructor & Destructor Documentation

Lvm::Lvm ( MyDiskHelper *  disk )

inlineprivate

Member Function Documentation

template<typename T >

class Lvm::Xlated Lvm::__attribute__ ( (packed)  )

private

struct Lvm::label_header Lvm::__attribute__ ( (packed)  )

private

struct Lvm::disk_locn Lvm::__attribute__ ( (packed)  )

private

struct Lvm::pv_header Lvm::__attribute__ ( (packed)  )

private

struct Lvm::raw_locn Lvm::__attribute__ ( (packed)  )

private

struct Lvm::mda_header Lvm::__attribute__ ( (packed)  )

private

static void Lvm::find ( MyDiskHelper *  disk, unsigned  disknum  )

inlinestatic

unsigned Lvm::find_vgs ( unsigned  disknum )

inlineprivate

Reads metadata from disks and constructs volume groups.

static bool Lvm::isalnum ( const char  c )

inlinestaticprivate

static bool Lvm::isspace ( const char  c )

inlinestaticprivate

unsigned Lvm::scan_pvs ( unsigned  disknum )

inlineprivate

Scans physical volumes for LVM labels.

static bool Lvm::validate_name ( const char *  n )

inlinestaticprivate

template<typename T >

static T Lvm::xlate ( const T  v )

inlinestaticprivate

Member Data Documentation

struct Lvm::List Lvm::__attribute__

private

MyDiskHelper* Lvm::disk

private

ListWithCount<PV> Lvm::pvs

private

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The documentation for this class was generated from the following file:

• michal/apps/logdisk/lvm.cc