nfs4filelayout.h File Reference

#include "pnfs.h"

Go to the source code of this file.

Data Structures
struct	nfs4_pnfs_ds_addr
struct	nfs4_pnfs_ds
struct	nfs4_file_layout_dsaddr
struct	nfs4_filelayout_segment
struct	nfs4_filelayout

Macros
#define	NFS4_DEF_DS_TIMEO   60
#define	NFS4_DEF_DS_RETRANS   5
#define	NFS4_PNFS_MAX_STRIPE_CNT   4096
#define	NFS4_PNFS_MAX_MULTI_CNT   256 /* 256 fit into a u8 stripe_index */
#define	NFS4ERR_RESET_TO_MDS   12001

Enumerations
enum	stripetype4 { STRIPE_SPARSE = 1, STRIPE_DENSE = 2 }

Functions
bool	filelayout_test_devid_unavailable (struct nfs4_deviceid_node *node)
struct nfs_fh *	nfs4_fl_select_ds_fh (struct pnfs_layout_segment *lseg, u32 j)
void	print_ds (struct nfs4_pnfs_ds *ds)
u32	nfs4_fl_calc_j_index (struct pnfs_layout_segment *lseg, loff_t offset)
u32	nfs4_fl_calc_ds_index (struct pnfs_layout_segment *lseg, u32 j)
struct nfs4_pnfs_ds *	nfs4_fl_prepare_ds (struct pnfs_layout_segment *lseg, u32 ds_idx)
void	nfs4_fl_put_deviceid (struct nfs4_file_layout_dsaddr *dsaddr)
void	nfs4_fl_free_deviceid (struct nfs4_file_layout_dsaddr *dsaddr)
struct nfs4_file_layout_dsaddr *	filelayout_get_device_info (struct inode *inode, struct nfs4_deviceid *dev_id, gfp_t gfp_flags)

Macro Definition Documentation

#define NFS4_DEF_DS_RETRANS   5

Definition at line 40 of file nfs4filelayout.h.

#define NFS4_DEF_DS_TIMEO   60

Definition at line 39 of file nfs4filelayout.h.

#define NFS4_PNFS_MAX_MULTI_CNT   256 /* 256 fit into a u8 stripe_index */

Definition at line 49 of file nfs4filelayout.h.

#define NFS4_PNFS_MAX_STRIPE_CNT   4096

Definition at line 48 of file nfs4filelayout.h.

#define NFS4ERR_RESET_TO_MDS   12001

Definition at line 52 of file nfs4filelayout.h.

Enumeration Type Documentation

enum stripetype4

Enumerator:

STRIPE_SPARSE
STRIPE_DENSE

Definition at line 54 of file nfs4filelayout.h.

Function Documentation

struct nfs4_file_layout_dsaddr* filelayout_get_device_info ( struct inode *  inode, struct nfs4_deviceid *  dev_id, gfp_t  gfp_flags  )

read

Definition at line 671 of file nfs4filelayoutdev.c.

bool filelayout_test_devid_unavailable

(

struct nfs4_deviceid_node *

node

)

Definition at line 278 of file nfs4filelayout.c.

u32 nfs4_fl_calc_ds_index	(	struct pnfs_layout_segment *	lseg,
		u32	j
	)

Definition at line 754 of file nfs4filelayoutdev.c.

u32 nfs4_fl_calc_j_index	(	struct pnfs_layout_segment *	lseg,
		loff_t	offset
	)

Definition at line 742 of file nfs4filelayoutdev.c.

void nfs4_fl_free_deviceid

(

struct nfs4_file_layout_dsaddr *

dsaddr

)

Definition at line 223 of file nfs4filelayoutdev.c.

struct nfs4_pnfs_ds* nfs4_fl_prepare_ds ( struct pnfs_layout_segment *  lseg, u32  ds_idx  )

read

Definition at line 779 of file nfs4filelayoutdev.c.

void nfs4_fl_put_deviceid

(

struct nfs4_file_layout_dsaddr *

dsaddr

)

Definition at line 732 of file nfs4filelayoutdev.c.

struct nfs_fh* nfs4_fl_select_ds_fh ( struct pnfs_layout_segment *  lseg, u32  j  )

read

Definition at line 760 of file nfs4filelayoutdev.c.

void print_ds

(

struct nfs4_pnfs_ds *

ds

)

Definition at line 57 of file nfs4filelayoutdev.c.