pnfs.c File Reference

#include <linux/nfs_fs.h>
#include <linux/nfs_page.h>
#include <linux/module.h>
#include "internal.h"
#include "pnfs.h"
#include "iostat.h"

Go to the source code of this file.

Macros
#define	NFSDBG_FACILITY   NFSDBG_PNFS
#define	PNFS_LAYOUTGET_RETRY_TIMEOUT   (120*HZ)

Functions
void	unset_pnfs_layoutdriver (struct nfs_server *nfss)
void	set_pnfs_layoutdriver (struct nfs_server *server, const struct nfs_fh *mntfh, u32 id)
int	pnfs_register_layoutdriver (struct pnfs_layoutdriver_type *ld_type)
	EXPORT_SYMBOL_GPL (pnfs_register_layoutdriver)
void	pnfs_unregister_layoutdriver (struct pnfs_layoutdriver_type *ld_type)
	EXPORT_SYMBOL_GPL (pnfs_unregister_layoutdriver)
void	pnfs_get_layout_hdr (struct pnfs_layout_hdr *lo)
void	pnfs_put_layout_hdr (struct pnfs_layout_hdr *lo)
void	pnfs_put_lseg (struct pnfs_layout_segment *lseg)
	EXPORT_SYMBOL_GPL (pnfs_put_lseg)
int	pnfs_mark_matching_lsegs_invalid (struct pnfs_layout_hdr *lo, struct list_head *tmp_list, struct pnfs_layout_range *recall_range)
void	pnfs_free_lseg_list (struct list_head *free_me)
void	pnfs_destroy_layout (struct nfs_inode *nfsi)
	EXPORT_SYMBOL_GPL (pnfs_destroy_layout)
void	pnfs_destroy_all_layouts (struct nfs_client *clp)
void	pnfs_set_layout_stateid (struct pnfs_layout_hdr *lo, const nfs4_stateid *new, bool update_barrier)
int	pnfs_choose_layoutget_stateid (nfs4_stateid *dst, struct pnfs_layout_hdr *lo, struct nfs4_state *open_state)
int	_pnfs_return_layout (struct inode *ino)
	EXPORT_SYMBOL_GPL (_pnfs_return_layout)
bool	pnfs_roc (struct inode *ino)
void	pnfs_roc_release (struct inode *ino)
void	pnfs_roc_set_barrier (struct inode *ino, u32 barrier)
bool	pnfs_roc_drain (struct inode *ino, u32 *barrier, struct rpc_task *task)
struct pnfs_layout_segment *	pnfs_update_layout (struct inode *ino, struct nfs_open_context *ctx, loff_t pos, u64 count, enum pnfs_iomode iomode, gfp_t gfp_flags)
	EXPORT_SYMBOL_GPL (pnfs_update_layout)
struct pnfs_layout_segment *	pnfs_layout_process (struct nfs4_layoutget *lgp)
void	pnfs_generic_pg_init_read (struct nfs_pageio_descriptor *pgio, struct nfs_page *req)
	EXPORT_SYMBOL_GPL (pnfs_generic_pg_init_read)
void	pnfs_generic_pg_init_write (struct nfs_pageio_descriptor *pgio, struct nfs_page *req, u64 wb_size)
	EXPORT_SYMBOL_GPL (pnfs_generic_pg_init_write)
void	pnfs_pageio_init_read (struct nfs_pageio_descriptor *pgio, struct inode *inode, const struct nfs_pgio_completion_ops *compl_ops)
void	pnfs_pageio_init_write (struct nfs_pageio_descriptor *pgio, struct inode *inode, int ioflags, const struct nfs_pgio_completion_ops *compl_ops)
bool	pnfs_generic_pg_test (struct nfs_pageio_descriptor *pgio, struct nfs_page *prev, struct nfs_page *req)
	EXPORT_SYMBOL_GPL (pnfs_generic_pg_test)
int	pnfs_write_done_resend_to_mds (struct inode *inode, struct list_head *head, const struct nfs_pgio_completion_ops *compl_ops)
	EXPORT_SYMBOL_GPL (pnfs_write_done_resend_to_mds)
void	pnfs_ld_write_done (struct nfs_write_data *data)
	EXPORT_SYMBOL_GPL (pnfs_ld_write_done)
	EXPORT_SYMBOL_GPL (pnfs_writehdr_free)
int	pnfs_generic_pg_writepages (struct nfs_pageio_descriptor *desc)
	EXPORT_SYMBOL_GPL (pnfs_generic_pg_writepages)
int	pnfs_read_done_resend_to_mds (struct inode *inode, struct list_head *head, const struct nfs_pgio_completion_ops *compl_ops)
	EXPORT_SYMBOL_GPL (pnfs_read_done_resend_to_mds)
void	pnfs_ld_read_done (struct nfs_read_data *data)
	EXPORT_SYMBOL_GPL (pnfs_ld_read_done)
	EXPORT_SYMBOL_GPL (pnfs_readhdr_free)
int	pnfs_generic_pg_readpages (struct nfs_pageio_descriptor *desc)
	EXPORT_SYMBOL_GPL (pnfs_generic_pg_readpages)
void	pnfs_set_lo_fail (struct pnfs_layout_segment *lseg)
	EXPORT_SYMBOL_GPL (pnfs_set_lo_fail)
void	pnfs_set_layoutcommit (struct nfs_write_data *wdata)
	EXPORT_SYMBOL_GPL (pnfs_set_layoutcommit)
void	pnfs_cleanup_layoutcommit (struct nfs4_layoutcommit_data *data)
int	pnfs_layoutcommit_inode (struct inode *inode, bool sync)
struct nfs4_threshold *	pnfs_mdsthreshold_alloc (void)

Macro Definition Documentation

#define NFSDBG_FACILITY   NFSDBG_PNFS

Definition at line 37 of file pnfs.c.

#define PNFS_LAYOUTGET_RETRY_TIMEOUT   (120*HZ)

Definition at line 38 of file pnfs.c.

Function Documentation

int _pnfs_return_layout

(

struct inode *

ino

)

Definition at line 691 of file pnfs.c.

EXPORT_SYMBOL_GPL

(

pnfs_register_layoutdriver

)

EXPORT_SYMBOL_GPL

(

pnfs_unregister_layoutdriver

)

EXPORT_SYMBOL_GPL

(

pnfs_put_lseg

)

EXPORT_SYMBOL_GPL

(

pnfs_destroy_layout

)

EXPORT_SYMBOL_GPL

(

_pnfs_return_layout

)

EXPORT_SYMBOL_GPL

(

pnfs_update_layout

)

EXPORT_SYMBOL_GPL

(

pnfs_generic_pg_init_read

)

EXPORT_SYMBOL_GPL

(

pnfs_generic_pg_init_write

)

EXPORT_SYMBOL_GPL

(

pnfs_generic_pg_test

)

EXPORT_SYMBOL_GPL

(

pnfs_write_done_resend_to_mds

)

EXPORT_SYMBOL_GPL

(

pnfs_ld_write_done

)

EXPORT_SYMBOL_GPL

(

pnfs_writehdr_free

)

EXPORT_SYMBOL_GPL

(

pnfs_generic_pg_writepages

)

EXPORT_SYMBOL_GPL

(

pnfs_read_done_resend_to_mds

)

EXPORT_SYMBOL_GPL

(

pnfs_ld_read_done

)

EXPORT_SYMBOL_GPL

(

pnfs_readhdr_free

)

EXPORT_SYMBOL_GPL

(

pnfs_generic_pg_readpages

)

EXPORT_SYMBOL_GPL

(

pnfs_set_lo_fail

)

EXPORT_SYMBOL_GPL

(

pnfs_set_layoutcommit

)

int pnfs_choose_layoutget_stateid	(	nfs4_stateid *	dst,
		struct pnfs_layout_hdr *	lo,
		struct nfs4_state *	open_state
	)

Definition at line 606 of file pnfs.c.

void pnfs_cleanup_layoutcommit

(

struct nfs4_layoutcommit_data *

data

)

Definition at line 1690 of file pnfs.c.

void pnfs_destroy_all_layouts

(

struct nfs_client *

clp

)

Definition at line 524 of file pnfs.c.

void pnfs_destroy_layout

(

struct nfs_inode *

nfsi

)

Definition at line 498 of file pnfs.c.

void pnfs_free_lseg_list

(

struct list_head *

free_me

)

Definition at line 484 of file pnfs.c.

void pnfs_generic_pg_init_read	(	struct nfs_pageio_descriptor *	pgio,
		struct nfs_page *	req
	)

Definition at line 1221 of file pnfs.c.

void pnfs_generic_pg_init_write	(	struct nfs_pageio_descriptor *	pgio,
		struct nfs_page *	req,
		u64	wb_size
	)

Definition at line 1251 of file pnfs.c.

int pnfs_generic_pg_readpages

(

struct nfs_pageio_descriptor *

desc

)

Definition at line 1608 of file pnfs.c.

bool pnfs_generic_pg_test	(	struct nfs_pageio_descriptor *	pgio,
		struct nfs_page *	prev,
		struct nfs_page *	req
	)

Definition at line 1301 of file pnfs.c.

int pnfs_generic_pg_writepages

(

struct nfs_pageio_descriptor *

desc

)

Definition at line 1453 of file pnfs.c.

void pnfs_get_layout_hdr

(

struct pnfs_layout_hdr *

lo

)

Definition at line 194 of file pnfs.c.

struct pnfs_layout_segment* pnfs_layout_process ( struct nfs4_layoutget *  lgp )

read

Definition at line 1163 of file pnfs.c.

int pnfs_layoutcommit_inode	(	struct inode *	inode,
		bool	sync
	)

Definition at line 1707 of file pnfs.c.

void pnfs_ld_read_done

(

struct nfs_read_data *

data

)

Definition at line 1527 of file pnfs.c.

void pnfs_ld_write_done

(

struct nfs_write_data *

data

)

Definition at line 1375 of file pnfs.c.

int pnfs_mark_matching_lsegs_invalid	(	struct pnfs_layout_hdr *	lo,
		struct list_head *	tmp_list,
		struct pnfs_layout_range *	recall_range
	)

Definition at line 457 of file pnfs.c.

struct nfs4_threshold* pnfs_mdsthreshold_alloc ( void  )

read

Definition at line 1776 of file pnfs.c.

void pnfs_pageio_init_read	(	struct nfs_pageio_descriptor *	pgio,
		struct inode *	inode,
		const struct nfs_pgio_completion_ops *	compl_ops
	)

Definition at line 1274 of file pnfs.c.

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

Definition at line 1287 of file pnfs.c.

void pnfs_put_layout_hdr

(

struct pnfs_layout_hdr *

lo

)

Definition at line 235 of file pnfs.c.

void pnfs_put_lseg

(

struct pnfs_layout_segment *

lseg

)

Definition at line 340 of file pnfs.c.

int pnfs_read_done_resend_to_mds	(	struct inode *	inode,
		struct list_head *	head,
		const struct nfs_pgio_completion_ops *	compl_ops
	)

Definition at line 1482 of file pnfs.c.

int pnfs_register_layoutdriver

(

struct pnfs_layoutdriver_type *

ld_type

)

Definition at line 146 of file pnfs.c.

bool pnfs_roc

(

struct inode *

ino

)

Definition at line 750 of file pnfs.c.

bool pnfs_roc_drain	(	struct inode *	ino,
		u32 *	barrier,
		struct rpc_task *	task
	)

Definition at line 806 of file pnfs.c.

void pnfs_roc_release

(

struct inode *

ino

)

Definition at line 780 of file pnfs.c.

void pnfs_roc_set_barrier	(	struct inode *	ino,
		u32	barrier
	)

Definition at line 795 of file pnfs.c.

void pnfs_set_layout_stateid	(	struct pnfs_layout_hdr *	lo,
		const nfs4_stateid *	new,
		bool	update_barrier
	)

Definition at line 563 of file pnfs.c.

void pnfs_set_layoutcommit

(

struct nfs_write_data *

wdata

)

Definition at line 1659 of file pnfs.c.

void pnfs_set_lo_fail

(

struct pnfs_layout_segment *

lseg

)

Definition at line 1652 of file pnfs.c.

void pnfs_unregister_layoutdriver

(

struct pnfs_layoutdriver_type *

ld_type

)

Definition at line 179 of file pnfs.c.

struct pnfs_layout_segment* pnfs_update_layout ( struct inode *  ino, struct nfs_open_context *  ctx, loff_t  pos, u64  count, enum pnfs_iomode  iomode, gfp_t  gfp_flags  )

read

Definition at line 1069 of file pnfs.c.

int pnfs_write_done_resend_to_mds	(	struct inode *	inode,
		struct list_head *	head,
		const struct nfs_pgio_completion_ops *	compl_ops
	)

Definition at line 1326 of file pnfs.c.

void set_pnfs_layoutdriver	(	struct nfs_server *	server,
		const struct nfs_fh *	mntfh,
		u32	id
	)

Definition at line 103 of file pnfs.c.

void unset_pnfs_layoutdriver

(

struct nfs_server *

nfss

)

Definition at line 83 of file pnfs.c.