alloc.c File Reference

#include <linux/types.h>
#include <linux/buffer_head.h>
#include <linux/fs.h>
#include <linux/bitops.h>
#include <linux/slab.h>
#include "mdt.h"
#include "alloc.h"

Go to the source code of this file.

Functions
int	nilfs_palloc_init_blockgroup (struct inode *inode, unsigned entry_size)
int	nilfs_palloc_get_entry_block (struct inode *inode, __u64 nr, int create, struct buffer_head **bhp)
void *	nilfs_palloc_block_get_entry (const struct inode *inode, __u64 nr, const struct buffer_head *bh, void *kaddr)
int	nilfs_palloc_prepare_alloc_entry (struct inode *inode, struct nilfs_palloc_req *req)
void	nilfs_palloc_commit_alloc_entry (struct inode *inode, struct nilfs_palloc_req *req)
void	nilfs_palloc_commit_free_entry (struct inode *inode, struct nilfs_palloc_req *req)
void	nilfs_palloc_abort_alloc_entry (struct inode *inode, struct nilfs_palloc_req *req)
int	nilfs_palloc_prepare_free_entry (struct inode *inode, struct nilfs_palloc_req *req)
void	nilfs_palloc_abort_free_entry (struct inode *inode, struct nilfs_palloc_req *req)
int	nilfs_palloc_freev (struct inode *inode, __u64 *entry_nrs, size_t nitems)
void	nilfs_palloc_setup_cache (struct inode *inode, struct nilfs_palloc_cache *cache)
void	nilfs_palloc_clear_cache (struct inode *inode)
void	nilfs_palloc_destroy_cache (struct inode *inode)

Function Documentation

void nilfs_palloc_abort_alloc_entry	(	struct inode *	inode,
		struct nilfs_palloc_req *	req
	)

nilfs_palloc_abort_alloc_entry - cancel allocation of a persistent object : inode of metadata file using this allocator : nilfs_palloc_req structure exchanged for the allocation

Definition at line 543 of file alloc.c.

void nilfs_palloc_abort_free_entry	(	struct inode *	inode,
		struct nilfs_palloc_req *	req
	)

nilfs_palloc_abort_free_entry - cancel deallocating a persistent object : inode of metadata file using this allocator : nilfs_palloc_req structure exchanged for the removal

Definition at line 607 of file alloc.c.

void* nilfs_palloc_block_get_entry	(	const struct inode *	inode,
		__u64	nr,
		const struct buffer_head *	bh,
		void *	kaddr
	)

nilfs_palloc_block_get_entry - get kernel address of an entry : inode of metadata file using this allocator : serial number of the entry (e.g. inode number) : buffer head of the buffer storing the entry block : kernel address mapped for the page including the buffer

Definition at line 321 of file alloc.c.

void nilfs_palloc_clear_cache

(

struct inode *

inode

)

Definition at line 703 of file alloc.c.

void nilfs_palloc_commit_alloc_entry	(	struct inode *	inode,
		struct nilfs_palloc_req *	req
	)

nilfs_palloc_commit_alloc_entry - finish allocation of a persistent object : inode of metadata file using this allocator : nilfs_palloc_req structure exchanged for the allocation

Definition at line 489 of file alloc.c.

void nilfs_palloc_commit_free_entry	(	struct inode *	inode,
		struct nilfs_palloc_req *	req
	)

nilfs_palloc_commit_free_entry - finish deallocating a persistent object : inode of metadata file using this allocator : nilfs_palloc_req structure exchanged for the removal

Definition at line 505 of file alloc.c.

void nilfs_palloc_destroy_cache

(

struct inode *

inode

)

Definition at line 717 of file alloc.c.

int nilfs_palloc_freev	(	struct inode *	inode,
		__u64 *	entry_nrs,
		size_t	nitems
	)

nilfs_palloc_freev - deallocate a set of persistent objects : inode of metadata file using this allocator : array of entry numbers to be deallocated : number of entries stored in

Definition at line 640 of file alloc.c.

int nilfs_palloc_get_entry_block	(	struct inode *	inode,
		__u64	nr,
		int	create,
		struct buffer_head **	bhp
	)

nilfs_palloc_get_entry_block - get buffer head of an entry block : inode of metadata file using this allocator : serial number of the entry (e.g. inode number) : create flag : pointer to store the resultant buffer head

Definition at line 287 of file alloc.c.

int nilfs_palloc_init_blockgroup	(	struct inode *	inode,
		unsigned	entry_size
	)

nilfs_palloc_init_blockgroup - initialize private variables for allocator : inode of metadata file using this allocator : size of the persistent object

Definition at line 61 of file alloc.c.

int nilfs_palloc_prepare_alloc_entry	(	struct inode *	inode,
		struct nilfs_palloc_req *	req
	)

nilfs_palloc_prepare_alloc_entry - prepare to allocate a persistent object : inode of metadata file using this allocator : nilfs_palloc_req structure exchanged for the allocation

Definition at line 405 of file alloc.c.

int nilfs_palloc_prepare_free_entry	(	struct inode *	inode,
		struct nilfs_palloc_req *	req
	)

nilfs_palloc_prepare_free_entry - prepare to deallocate a persistent object : inode of metadata file using this allocator : nilfs_palloc_req structure exchanged for the removal

Definition at line 580 of file alloc.c.

void nilfs_palloc_setup_cache	(	struct inode *	inode,
		struct nilfs_palloc_cache *	cache
	)

Definition at line 696 of file alloc.c.