ore.c File Reference

#include <linux/slab.h>
#include <linux/module.h>
#include <asm/div64.h>
#include <linux/lcm.h>
#include "ore_raid.h"

Go to the source code of this file.

Data Structures
struct	_trunc_info

Enumerations
enum	{ BIO_MAX_PAGES_KMALLOC }

Functions
	MODULE_AUTHOR ("Boaz Harrosh <[email protected]>")
	MODULE_DESCRIPTION ("Objects Raid Engine ore.ko")
	MODULE_LICENSE ("GPL")
int	ore_verify_layout (unsigned total_comps, struct ore_layout *layout)
	EXPORT_SYMBOL (ore_verify_layout)
int	_ore_get_io_state (struct ore_layout *layout, struct ore_components *oc, unsigned numdevs, unsigned sgs_per_dev, unsigned num_par_pages, struct ore_io_state **pios)
int	ore_get_rw_state (struct ore_layout *layout, struct ore_components *oc, bool is_reading, u64 offset, u64 length, struct ore_io_state **pios)
	EXPORT_SYMBOL (ore_get_rw_state)
int	ore_get_io_state (struct ore_layout *layout, struct ore_components *oc, struct ore_io_state **pios)
	EXPORT_SYMBOL (ore_get_io_state)
void	ore_put_io_state (struct ore_io_state *ios)
	EXPORT_SYMBOL (ore_put_io_state)
int	ore_io_execute (struct ore_io_state *ios)
int	ore_check_io (struct ore_io_state *ios, ore_on_dev_error on_dev_error)
	EXPORT_SYMBOL (ore_check_io)
void	ore_calc_stripe_info (struct ore_layout *layout, u64 file_offset, u64 length, struct ore_striping_info *si)
	EXPORT_SYMBOL (ore_calc_stripe_info)
int	_ore_add_stripe_unit (struct ore_io_state *ios, unsigned *cur_pg, unsigned pgbase, struct page **pages, struct ore_per_dev_state *per_dev, int cur_len)
int	ore_create (struct ore_io_state *ios)
	EXPORT_SYMBOL (ore_create)
int	ore_remove (struct ore_io_state *ios)
	EXPORT_SYMBOL (ore_remove)
int	ore_write (struct ore_io_state *ios)
	EXPORT_SYMBOL (ore_write)
int	_ore_read_mirror (struct ore_io_state *ios, unsigned cur_comp)
int	ore_read (struct ore_io_state *ios)
	EXPORT_SYMBOL (ore_read)
int	extract_attr_from_ios (struct ore_io_state *ios, struct osd_attr *attr)
	EXPORT_SYMBOL (extract_attr_from_ios)
int	ore_truncate (struct ore_layout *layout, struct ore_components *oc, u64 size)
	EXPORT_SYMBOL (ore_truncate)
	EXPORT_SYMBOL (g_attr_logical_length)

Variables
struct osd_attr	g_attr_logical_length

Enumeration Type Documentation

anonymous enum

Enumerator:

BIO_MAX_PAGES_KMALLOC

Definition at line 46 of file ore.c.

Function Documentation

int _ore_add_stripe_unit	(	struct ore_io_state *	ios,
		unsigned *	cur_pg,
		unsigned	pgbase,
		struct page **	pages,
		struct ore_per_dev_state *	per_dev,
		int	cur_len
	)

Definition at line 575 of file ore.c.

int _ore_get_io_state	(	struct ore_layout *	layout,
		struct ore_components *	oc,
		unsigned	numdevs,
		unsigned	sgs_per_dev,
		unsigned	num_par_pages,
		struct ore_io_state **	pios
	)

Definition at line 138 of file ore.c.

int _ore_read_mirror	(	struct ore_io_state *	ios,
		unsigned	cur_comp
	)

Definition at line 913 of file ore.c.

EXPORT_SYMBOL

(

ore_verify_layout

)

EXPORT_SYMBOL

(

ore_get_rw_state

)

EXPORT_SYMBOL

(

ore_get_io_state

)

EXPORT_SYMBOL

(

ore_put_io_state

)

EXPORT_SYMBOL

(

ore_check_io

)

EXPORT_SYMBOL

(

ore_calc_stripe_info

)

EXPORT_SYMBOL

(

ore_create

)

EXPORT_SYMBOL

(

ore_remove

)

EXPORT_SYMBOL

(

ore_write

)

EXPORT_SYMBOL

(

ore_read

)

EXPORT_SYMBOL

(

extract_attr_from_ios

)

EXPORT_SYMBOL

(

ore_truncate

)

EXPORT_SYMBOL

(

g_attr_logical_length

)

int extract_attr_from_ios	(	struct ore_io_state *	ios,
		struct osd_attr *	attr
	)

Definition at line 987 of file ore.c.

MODULE_AUTHOR

(

"Boaz Harrosh <[email protected]>"

)

MODULE_DESCRIPTION

(

"Objects Raid Engine ore.ko"

)

MODULE_LICENSE

(

"GPL"

)

void ore_calc_stripe_info	(	struct ore_layout *	layout,
		u64	file_offset,
		u64	length,
		struct ore_striping_info *	si
	)

Definition at line 516 of file ore.c.

int ore_check_io	(	struct ore_io_state *	ios,
		ore_on_dev_error	on_dev_error
	)

Definition at line 414 of file ore.c.

int ore_create

(

struct ore_io_state *

ios

)

Definition at line 741 of file ore.c.

int ore_get_io_state	(	struct ore_layout *	layout,
		struct ore_components *	oc,
		struct ore_io_state **	pios
	)

Definition at line 305 of file ore.c.

int ore_get_rw_state	(	struct ore_layout *	layout,
		struct ore_components *	oc,
		bool	is_reading,
		u64	offset,
		u64	length,
		struct ore_io_state **	pios
	)

Definition at line 237 of file ore.c.

int ore_io_execute

(

struct ore_io_state *

ios

)

Definition at line 354 of file ore.c.

void ore_put_io_state

(

struct ore_io_state *

ios

)

Definition at line 312 of file ore.c.

int ore_read

(

struct ore_io_state *

ios

)

Definition at line 967 of file ore.c.

int ore_remove

(

struct ore_io_state *

ios

)

Definition at line 766 of file ore.c.

int ore_truncate	(	struct ore_layout *	layout,
		struct ore_components *	oc,
		u64	size
	)

Definition at line 1055 of file ore.c.

int ore_verify_layout	(	unsigned	total_comps,
		struct ore_layout *	layout
	)

Definition at line 49 of file ore.c.

int ore_write

(

struct ore_io_state *

ios

)

Definition at line 885 of file ore.c.

Variable Documentation

struct osd_attr g_attr_logical_length

Initial value:

= ATTR_DEF(
    OSD_APAGE_OBJECT_INFORMATION, OSD_ATTR_OI_LOGICAL_LENGTH, 8)

Definition at line 1117 of file ore.c.