write.c File Reference

#include <linux/types.h>
#include <linux/slab.h>
#include <linux/mm.h>
#include <linux/pagemap.h>
#include <linux/file.h>
#include <linux/writeback.h>
#include <linux/swap.h>
#include <linux/migrate.h>
#include <linux/sunrpc/clnt.h>
#include <linux/nfs_fs.h>
#include <linux/nfs_mount.h>
#include <linux/nfs_page.h>
#include <linux/backing-dev.h>
#include <linux/export.h>
#include <asm/uaccess.h>
#include "delegation.h"
#include "internal.h"
#include "iostat.h"
#include "nfs4_fs.h"
#include "fscache.h"
#include "pnfs.h"

Go to the source code of this file.

Macros
#define	NFSDBG_FACILITY   NFSDBG_PAGECACHE
#define	MIN_POOL_WRITE   (32)
#define	MIN_POOL_COMMIT   (4)
#define	NFS_CONGESTION_ON_THRESH   (nfs_congestion_kb >> (PAGE_SHIFT-10))
#define	NFS_CONGESTION_OFF_THRESH   (NFS_CONGESTION_ON_THRESH - (NFS_CONGESTION_ON_THRESH >> 2))

Functions
struct nfs_commit_data *	nfs_commitdata_alloc (void)
	EXPORT_SYMBOL_GPL (nfs_commitdata_alloc)
void	nfs_commit_free (struct nfs_commit_data *p)
	EXPORT_SYMBOL_GPL (nfs_commit_free)
struct nfs_write_header *	nfs_writehdr_alloc (void)
	EXPORT_SYMBOL_GPL (nfs_writehdr_alloc)
void	nfs_writehdr_free (struct nfs_pgio_header *hdr)
	EXPORT_SYMBOL_GPL (nfs_writehdr_free)
void	nfs_writedata_release (struct nfs_write_data *wdata)
	EXPORT_SYMBOL_GPL (nfs_writedata_release)
int	nfs_writepage (struct page *page, struct writeback_control *wbc)
int	nfs_writepages (struct address_space *mapping, struct writeback_control *wbc)
void	nfs_init_cinfo (struct nfs_commit_info *cinfo, struct inode *inode, struct nfs_direct_req *dreq)
void	nfs_mark_request_commit (struct nfs_page *req, struct pnfs_layout_segment *lseg, struct nfs_commit_info *cinfo)
int	nfs_scan_commit (struct inode *inode, struct list_head *dst, struct nfs_commit_info *cinfo)
int	nfs_flush_incompatible (struct file *file, struct page *page)
int	nfs_updatepage (struct file *file, struct page *page, unsigned int offset, unsigned int count)
int	nfs_initiate_write (struct rpc_clnt *clnt, struct nfs_write_data *data, const struct rpc_call_ops *call_ops, int how, int flags)
	EXPORT_SYMBOL_GPL (nfs_initiate_write)
int	nfs_generic_flush (struct nfs_pageio_descriptor *desc, struct nfs_pgio_header *hdr)
	EXPORT_SYMBOL_GPL (nfs_generic_flush)
void	nfs_pageio_init_write (struct nfs_pageio_descriptor *pgio, struct inode *inode, int ioflags, const struct nfs_pgio_completion_ops *compl_ops)
	EXPORT_SYMBOL_GPL (nfs_pageio_init_write)
void	nfs_pageio_reset_write_mds (struct nfs_pageio_descriptor *pgio)
	EXPORT_SYMBOL_GPL (nfs_pageio_reset_write_mds)
void	nfs_write_prepare (struct rpc_task *task, void *calldata)
void	nfs_commit_prepare (struct rpc_task *task, void *calldata)
void	nfs_writeback_done (struct rpc_task *task, struct nfs_write_data *data)
int	nfs_write_inode (struct inode *inode, struct writeback_control *wbc)
	EXPORT_SYMBOL_GPL (nfs_write_inode)
int	nfs_wb_all (struct inode *inode)
	EXPORT_SYMBOL_GPL (nfs_wb_all)
int	nfs_wb_page_cancel (struct inode *inode, struct page *page)
int	nfs_wb_page (struct inode *inode, struct page *page)
int __init	nfs_init_writepagecache (void)
void	nfs_destroy_writepagecache (void)

Variables
int	nfs_congestion_kb

Macro Definition Documentation

#define MIN_POOL_COMMIT   (4)

Definition at line 37 of file write.c.

#define MIN_POOL_WRITE   (32)

Definition at line 36 of file write.c.

#define NFS_CONGESTION_OFF_THRESH   (NFS_CONGESTION_ON_THRESH - (NFS_CONGESTION_ON_THRESH >> 2))

Definition at line 239 of file write.c.

#define NFS_CONGESTION_ON_THRESH   (nfs_congestion_kb >> (PAGE_SHIFT-10))

Definition at line 238 of file write.c.

#define NFSDBG_FACILITY   NFSDBG_PAGECACHE

Definition at line 34 of file write.c.

Function Documentation

EXPORT_SYMBOL_GPL

(

nfs_commitdata_alloc

)

EXPORT_SYMBOL_GPL

(

nfs_commit_free

)

EXPORT_SYMBOL_GPL

(

nfs_writehdr_alloc

)

EXPORT_SYMBOL_GPL

(

nfs_writehdr_free

)

EXPORT_SYMBOL_GPL

(

nfs_writedata_release

)

EXPORT_SYMBOL_GPL

(

nfs_initiate_write

)

EXPORT_SYMBOL_GPL

(

nfs_generic_flush

)

EXPORT_SYMBOL_GPL

(

nfs_pageio_init_write

)

EXPORT_SYMBOL_GPL

(

nfs_pageio_reset_write_mds

)

EXPORT_SYMBOL_GPL

(

nfs_write_inode

)

EXPORT_SYMBOL_GPL

(

nfs_wb_all

)

void nfs_commit_free

(

struct nfs_commit_data *

p

)

Definition at line 65 of file write.c.

void nfs_commit_prepare	(	struct rpc_task *	task,
		void *	calldata
	)

Definition at line 1258 of file write.c.

struct nfs_commit_data* nfs_commitdata_alloc ( void  )

read

Definition at line 53 of file write.c.

void nfs_destroy_writepagecache

(

void

)

Definition at line 1867 of file write.c.

int nfs_flush_incompatible	(	struct file *	file,
		struct page *	page
	)

Definition at line 846 of file write.c.

int nfs_generic_flush	(	struct nfs_pageio_descriptor *	desc,
		struct nfs_pgio_header *	hdr
	)

Definition at line 1197 of file write.c.

void nfs_init_cinfo	(	struct nfs_commit_info *	cinfo,
		struct inode *	inode,
		struct nfs_direct_req *	dreq
	)

Definition at line 599 of file write.c.

int __init nfs_init_writepagecache

(

void

)

Definition at line 1810 of file write.c.

int nfs_initiate_write	(	struct rpc_clnt *	clnt,
		struct nfs_write_data *	data,
		const struct rpc_call_ops *	call_ops,
		int	how,
		int	flags
	)

Definition at line 947 of file write.c.

void nfs_mark_request_commit	(	struct nfs_page *	req,
		struct pnfs_layout_segment *	lseg,
		struct nfs_commit_info *	cinfo
	)

Definition at line 606 of file write.c.

void nfs_pageio_init_write	(	struct nfs_pageio_descriptor *	pgio,
		struct inode *	inode,
		int	ioflags,
		const struct nfs_pgio_completion_ops *	compl_ops
	)

Definition at line 1235 of file write.c.

void nfs_pageio_reset_write_mds

(

struct nfs_pageio_descriptor *

pgio

)

Definition at line 1244 of file write.c.

int nfs_scan_commit	(	struct inode *	inode,
		struct list_head *	dst,
		struct nfs_commit_info *	cinfo
	)

Definition at line 726 of file write.c.

int nfs_updatepage	(	struct file *	file,
		struct page *	page,
		unsigned int	offset,
		unsigned int	count
	)

Definition at line 899 of file write.c.

int nfs_wb_all

(

struct inode *

inode

)

Definition at line 1712 of file write.c.

int nfs_wb_page	(	struct inode *	inode,
		struct page *	page
	)

Definition at line 1758 of file write.c.

int nfs_wb_page_cancel	(	struct inode *	inode,
		struct page *	page
	)

Definition at line 1725 of file write.c.

int nfs_write_inode	(	struct inode *	inode,
		struct writeback_control *	wbc
	)

Definition at line 1703 of file write.c.

void nfs_write_prepare	(	struct rpc_task *	task,
		void *	calldata
	)

Definition at line 1252 of file write.c.

void nfs_writeback_done	(	struct rpc_task *	task,
		struct nfs_write_data *	data
	)

Definition at line 1308 of file write.c.

void nfs_writedata_release

(

struct nfs_write_data *

wdata

)

Definition at line 121 of file write.c.

struct nfs_write_header* nfs_writehdr_alloc ( void  )

read

Definition at line 71 of file write.c.

void nfs_writehdr_free

(

struct nfs_pgio_header *

hdr

)

Definition at line 114 of file write.c.

int nfs_writepage	(	struct page *	page,
		struct writeback_control *	wbc
	)

Definition at line 368 of file write.c.

int nfs_writepages	(	struct address_space *	mapping,
		struct writeback_control *	wbc
	)

Definition at line 386 of file write.c.

Variable Documentation

int nfs_congestion_kb

Definition at line 236 of file write.c.