localalloc.c File Reference

#include <linux/fs.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/highmem.h>
#include <linux/bitops.h>
#include <cluster/masklog.h>
#include "ocfs2.h"
#include "alloc.h"
#include "blockcheck.h"
#include "dlmglue.h"
#include "inode.h"
#include "journal.h"
#include "localalloc.h"
#include "suballoc.h"
#include "super.h"
#include "sysfile.h"
#include "ocfs2_trace.h"
#include "buffer_head_io.h"

Go to the source code of this file.

Macros
#define	OCFS2_LOCAL_ALLOC(dinode)   (&((dinode)->id2.i_lab))
#define	OCFS2_LA_MAX_DEFAULT_MB   256
#define	OCFS2_LA_OLD_DEFAULT   8
#define	OCFS2_LA_ENABLE_INTERVAL   (30 * HZ)

Enumerations
enum	ocfs2_la_event { OCFS2_LA_EVENT_SLIDE, OCFS2_LA_EVENT_FRAGMENTED, OCFS2_LA_EVENT_ENOSPC }

Functions
unsigned int	ocfs2_la_default_mb (struct ocfs2_super *osb)
void	ocfs2_la_set_sizes (struct ocfs2_super *osb, int requested_mb)
void	ocfs2_local_alloc_seen_free_bits (struct ocfs2_super *osb, unsigned int num_clusters)
void	ocfs2_la_enable_worker (struct work_struct *work)
int	ocfs2_alloc_should_use_local (struct ocfs2_super *osb, u64 bits)
int	ocfs2_load_local_alloc (struct ocfs2_super *osb)
void	ocfs2_shutdown_local_alloc (struct ocfs2_super *osb)
int	ocfs2_begin_local_alloc_recovery (struct ocfs2_super *osb, int slot_num, struct ocfs2_dinode **alloc_copy)
int	ocfs2_complete_local_alloc_recovery (struct ocfs2_super *osb, struct ocfs2_dinode *alloc)
int	ocfs2_reserve_local_alloc_bits (struct ocfs2_super *osb, u32 bits_wanted, struct ocfs2_alloc_context *ac)
int	ocfs2_claim_local_alloc_bits (struct ocfs2_super *osb, handle_t *handle, struct ocfs2_alloc_context *ac, u32 bits_wanted, u32 *bit_off, u32 *num_bits)

Macro Definition Documentation

#define OCFS2_LA_ENABLE_INTERVAL   (30 * HZ)

Definition at line 1003 of file localalloc.c.

#define OCFS2_LA_MAX_DEFAULT_MB   256

Definition at line 115 of file localalloc.c.

#define OCFS2_LA_OLD_DEFAULT   8

Definition at line 116 of file localalloc.c.

#define OCFS2_LOCAL_ALLOC

(

dinode

)

(&((dinode)->id2.i_lab))

Definition at line 49 of file localalloc.c.

Enumeration Type Documentation

enum ocfs2_la_event

Enumerator:

OCFS2_LA_EVENT_SLIDE
OCFS2_LA_EVENT_FRAGMENTED
OCFS2_LA_EVENT_ENOSPC

Definition at line 992 of file localalloc.c.

Function Documentation

int ocfs2_alloc_should_use_local	(	struct ocfs2_super *	osb,
		u64	bits
	)

Definition at line 258 of file localalloc.c.

int ocfs2_begin_local_alloc_recovery	(	struct ocfs2_super *	osb,
		int	slot_num,
		struct ocfs2_dinode **	alloc_copy
	)

Definition at line 490 of file localalloc.c.

int ocfs2_claim_local_alloc_bits	(	struct ocfs2_super *	osb,
		handle_t *	handle,
		struct ocfs2_alloc_context *	ac,
		u32	bits_wanted,
		u32 *	bit_off,
		u32 *	num_bits
	)

Definition at line 729 of file localalloc.c.

int ocfs2_complete_local_alloc_recovery	(	struct ocfs2_super *	osb,
		struct ocfs2_dinode *	alloc
	)

Definition at line 560 of file localalloc.c.

unsigned int ocfs2_la_default_mb

(

struct ocfs2_super *

osb

)

Definition at line 117 of file localalloc.c.

void ocfs2_la_enable_worker

(

struct work_struct *

work

)

Definition at line 241 of file localalloc.c.

void ocfs2_la_set_sizes	(	struct ocfs2_super *	osb,
		int	requested_mb
	)

Definition at line 195 of file localalloc.c.

int ocfs2_load_local_alloc

(

struct ocfs2_super *

osb

)

Definition at line 284 of file localalloc.c.

void ocfs2_local_alloc_seen_free_bits	(	struct ocfs2_super *	osb,
		unsigned int	num_clusters
	)

Definition at line 228 of file localalloc.c.

int ocfs2_reserve_local_alloc_bits	(	struct ocfs2_super *	osb,
		u32	bits_wanted,
		struct ocfs2_alloc_context *	ac
	)

Definition at line 628 of file localalloc.c.

void ocfs2_shutdown_local_alloc

(

struct ocfs2_super *

osb

)

Definition at line 378 of file localalloc.c.