volume.cc File Reference

#include <sys/types.h>
#include <sys/time.h>
#include <stdio.h>
#include <ctype.h>
#include <sys/param.h>
#include <errno.h>
#include <sys/stat.h>
#include <sys/file.h>
#include <netinet/in.h>
#include <sys/wait.h>
#include "coda_string.h"
#include <setjmp.h>
#include <unistd.h>
#include <stdlib.h>
#include <fcntl.h>
#include <lwp/lwp.h>
#include <lwp/lock.h>
#include <util.h>
#include <partition.h>
#include <rvmlib.h>
#include <vice.h>
#include "coda_flock.h"
#include <srv.h>
#include "cvnode.h"
#include "volume.h"
#include "lockqueue.h"
#include <recov_vollog.h>
#include "vldb.h"
#include "vutil.h"
#include "fssync.h"
#include "index.h"
#include "recov.h"
#include "camprivate.h"
#include "coda_globals.h"
#include "volhash.h"
#include "volutil.h"

Include dependency graph for volume.cc:

Macros
#define	VOLUME_BITMAP_GROWSIZE   16 /* bytes, => 128vnodes */
#define	VOLUME_HASH_TABLE_SIZE   128 /* Must be a power of 2!! */
#define	VOLUME_HASH(volumeId)   (volumeId & (VOLUME_HASH_TABLE_SIZE - 1))
#define	OneDay   (24 * 60 * 60) /* 24 hours */
#define	Midnight(date)    ((date - TimeZoneCorrection) / OneDay * OneDay + TimeZoneCorrection)
#define	SALVAGE_INTERVAL   (10 * 60)
#define	UPDATE_LIST_SIZE   100 /* size increment */

Functions
void	InitLogStorage ()
void	print_VnodeDiskObject (VnodeDiskObject *)
int	HashLookup (VolumeId)
void	dump_storage (int level, const char *s)
void	VBumpVolumeUsage (Volume *vp) EXCLUDES_TRANSACTION
int	VCheckVLDB ()
int	InSkipVolumeList (VolumeId, VolumeId *, int)
void	InitVolTable (int)
void	VAddToVolumeUpdateList (Error *ec, Volume *vp) REQUIRES_TRANSACTION
void	FreeVolumeHeader (Volume *vp)
void	DeleteVolumeFromHashTable (Volume *vp)
int	VInitVolUtil (ProgramType pt)
void	VInitVolumePackage (int nLargeVnodes, int nSmallVnodes, int DoSalvage)
int	VConnectFS ()
void	VDisconnectFS ()
void	VInitThisHost (const char *host)
void	VInitServerList (const char *host)
void	VGetVolumeInfo (Error *ec, char *key, VolumeInfo *info)
const char *	VGetVolumeLocation (VolumeId vid)
void	VListVolumes (char **buf, unsigned int *offset)
void	dumpvm ()
void	VShutdown () TRANSACTION_OPTIONAL
Volume *	VAttachVolumeById (Error *ec, char *partition, VolumeId volid, int mode)
Volume *	VAttachVolume (Error *ec, VolumeId volumeId, int mode)
Volume *	VGetVolume (Error *ec, VolumeId volumeId)
void	VPutVolume (Volume *vp)
void	VForceOffline (Volume *vp)
void	VOffline (Volume *vp, const char *message)
void	VDetachVolume (Error *ec, Volume *vp)
int	VAllocBitmapEntry (Error *ec, Volume *vp, struct vnodeIndex *index, int stride, int ix, int count)
int	VAllocBitmapEntry (Error *ec, Volume *vp, struct vnodeIndex *index, VnodeId vnode)
void	VFreeBitMapEntry (Error *ec, struct vnodeIndex *index, int bitNumber)
void	VUpdateVolume (Error *ec, Volume *vp)
void	PrintVolumesInHashTable ()
void	FreeVolume (Volume *vp)
int	VolumeNumber (char *name)
char *	VolumeExternalName (VolumeId volumeId)
void	VSetDiskUsage ()
void	InitLRU (int howMany)
void	VPrintCacheStats (FILE *fp)
void	SetVolDebugLevel (int level)
Error	VCheckDiskUsage (Volume *vp, int blocks)
Error	VAdjustDiskUsage (Volume *vp, int blocks)
int	GetVolObj (VolumeId Vid, Volume **volptr, int LockLevel, int Enque, unsigned LockerAddress)
void	PutVolObj (Volume **volptr, int LockLevel, int Dequeue)

Variables
char *	ThisHost
uint8_t	ThisServerId
bit32	HostAddress [N_SERVERIDS]
int	VInit
int	HInit
const char *	VSalvageMessage
const char *	Server_FQDN [N_SERVERIDS]
int	nskipvols
VolumeId *	skipvolnums
int	DumpVM
rvm_offset_t	_Rvm_DataLength
long	rds_rvmsize
char *	rds_startaddr

Macro Definition Documentation

Midnight

#define Midnight

(

date

)

((date - TimeZoneCorrection) / OneDay * OneDay + TimeZoneCorrection)

OneDay

#define OneDay   (24 * 60 * 60) /* 24 hours */

SALVAGE_INTERVAL

#define SALVAGE_INTERVAL   (10 * 60)

UPDATE_LIST_SIZE

#define UPDATE_LIST_SIZE   100 /* size increment */

VOLUME_BITMAP_GROWSIZE

#define VOLUME_BITMAP_GROWSIZE   16 /* bytes, => 128vnodes */

VOLUME_HASH

#define VOLUME_HASH

(

volumeId

)

(volumeId & (VOLUME_HASH_TABLE_SIZE - 1))

VOLUME_HASH_TABLE_SIZE

#define VOLUME_HASH_TABLE_SIZE   128 /* Must be a power of 2!! */

Function Documentation

DeleteVolumeFromHashTable()

void DeleteVolumeFromHashTable

(

Volume *

vp

)

dump_storage()

void dump_storage	(	int	level,
		const char *	s
	)

dumpvm()

void dumpvm

(

)

FreeVolume()

void FreeVolume

(

Volume *

vp

)

FreeVolumeHeader()

void FreeVolumeHeader

(

Volume *

vp

)

GetVolObj()

int GetVolObj	(	VolumeId	Vid,
		Volume **	volptr,
		int	LockLevel,
		int	Enque = 0,
		unsigned	LockerAddress = 0
	)

HashLookup()

int HashLookup

(

VolumeId

volid

)

InitLogStorage()

void InitLogStorage

(

)

InitLRU()

void InitLRU

(

int

howMany

)

InitVolTable()

void InitVolTable

(

int

size

)

InSkipVolumeList()

int InSkipVolumeList	(	VolumeId	v,
		VolumeId *	vl,
		int	nvols
	)

print_VnodeDiskObject()

void print_VnodeDiskObject

(

VnodeDiskObject *

vnode

)

PrintVolumesInHashTable()

void PrintVolumesInHashTable

(

)

PutVolObj()

void PutVolObj	(	Volume **	volptr,
		int	LockLevel,
		int	Dequeue = 0
	)

SetVolDebugLevel()

void SetVolDebugLevel

(

int

level

)

VAddToVolumeUpdateList()

void VAddToVolumeUpdateList	(	Error *	ec,
		Volume *	vp
	)

VAdjustDiskUsage()

Error VAdjustDiskUsage	(	Volume *	vp,
		int	blocks
	)

VAllocBitmapEntry() [1/2]

int VAllocBitmapEntry	(	Error *	ec,
		Volume *	vp,
		struct vnodeIndex *	index,
		int	stride,
		int	ix,
		int	count
	)

VAllocBitmapEntry() [2/2]

int VAllocBitmapEntry	(	Error *	ec,
		Volume *	vp,
		struct vnodeIndex *	index,
		VnodeId	vnode
	)

VAttachVolume()

Volume * VAttachVolume	(	Error *	ec,
		VolumeId	volumeId,
		int	mode
	)

VAttachVolumeById()

Volume * VAttachVolumeById	(	Error *	ec,
		char *	partition,
		VolumeId	volid,
		int	mode
	)

VBumpVolumeUsage()

void VBumpVolumeUsage

(

Volume *

vp

)

VCheckDiskUsage()

Error VCheckDiskUsage	(	Volume *	vp,
		int	blocks
	)

VCheckVLDB()

int VCheckVLDB

(

)

VConnectFS()

int VConnectFS

(

)

VDetachVolume()

void VDetachVolume	(	Error *	ec,
		Volume *	vp
	)

VDisconnectFS()

void VDisconnectFS

(

)

VForceOffline()

void VForceOffline

(

Volume *

vp

)

VFreeBitMapEntry()

void VFreeBitMapEntry	(	Error *	ec,
		struct vnodeIndex *	index,
		int	bitNumber
	)

VGetVolume()

Volume * VGetVolume	(	Error *	ec,
		VolumeId	volumeId
	)

VGetVolumeInfo()

void VGetVolumeInfo	(	Error *	ec,
		char *	key,
		VolumeInfo *	info
	)

VGetVolumeLocation()

const char * VGetVolumeLocation

(

VolumeId

vid

)

VInitServerList()

void VInitServerList

(

const char *

host

)

VInitThisHost()

void VInitThisHost

(

const char *

host

)

VInitVolumePackage()

void VInitVolumePackage	(	int	nLargeVnodes,
		int	nSmallVnodes,
		int	DoSalvage
	)

VInitVolUtil()

int VInitVolUtil

(

ProgramType

pt

)

VListVolumes()

void VListVolumes	(	char **	buf,
		unsigned int *	offset
	)

VOffline()

void VOffline	(	Volume *	vp,
		const char *	message
	)

VolumeExternalName()

char * VolumeExternalName

(

VolumeId

volumeId

)

VolumeNumber()

int VolumeNumber

(

char *

name

)

VPrintCacheStats()

void VPrintCacheStats

(

FILE *

fp

)

VPutVolume()

void VPutVolume

(

Volume *

vp

)

VSetDiskUsage()

void VSetDiskUsage

(

)

VShutdown()

void VShutdown

(

)

VUpdateVolume()

void VUpdateVolume	(	Error *	ec,
		Volume *	vp
	)

Variable Documentation

_Rvm_DataLength

rvm_offset_t _Rvm_DataLength

extern

DumpVM

int DumpVM

extern

HInit

int HInit

HostAddress

bit32 HostAddress[N_SERVERIDS]

nskipvols

int nskipvols

extern

rds_rvmsize

long rds_rvmsize

extern

rds_startaddr

char* rds_startaddr

extern

Server_FQDN

const char* Server_FQDN[N_SERVERIDS]

skipvolnums

VolumeId* skipvolnums

extern

ThisHost

char* ThisHost

ThisServerId

uint8_t ThisServerId

VInit

int VInit

VSalvageMessage

const char* VSalvageMessage

Initial value:

= 
    "Files in this volume are currently unavailable; call operations"