#include "stob/null.h"
#include "lib/errno.h"
#include "lib/memory.h"
#include "lib/tlist.h"
#include "lib/mutex.h"
#include "lib/misc.h"
#include "lib/string.h"
#include "fid/fid.h"
#include "stob/type.h"
#include "stob/domain.h"
#include "stob/stob.h"
#include "lib/trace.h"

Include dependency graph for null.c:

Data Structures
struct	stob_null

struct	stob_null_domain

struct	stob_null_lists

Macros
#define	M0_TRACE_SUBSYSTEM M0_TRACE_SUBSYS_STOB

Enumerations
enum	{ STOB_TYPE_NULL = 0xFF }

Functions
	M0_TL_DESCR_DEFINE (stob_null_stobs, "list of null stobs in the domain", static, struct stob_null, sn_link, sn_magic, M0_STOB_NULL_MAGIC, M0_STOB_NULL_HEAD_MAGIC)

	M0_TL_DEFINE (stob_null_stobs, static, struct stob_null)

	M0_TL_DESCR_DEFINE (stob_null_domains, "list of null stob domains", static, struct stob_null_domain, snd_link, snd_magic, M0_STOB_DOM_NULL_MAGIC, M0_STOB_DOM_NULL_HEAD_MAGIC)

	M0_TL_DEFINE (stob_null_domains, static, struct stob_null_domain)

static void	stob_null_type_register (struct m0_stob_type *type)

static void	stob_null_type_deregister (struct m0_stob_type *type)

static struct stob_null_domain *	stob_null_domain_find (struct stob_null_lists snl, const char path, bool take_lock)

static int	stob_null_domain_add (struct stob_null_domain snd, struct stob_null_lists snl)

static void	stob_null_domain_del (struct stob_null_domain snd, struct stob_null_lists snl)

static struct stob_null_domain *	stob_null_domain_container (struct m0_stob_domain *dom)

static int	stob_null_domain_cfg_init_parse (const char str_cfg_init, void *cfg_init)

static void	stob_null_domain_cfg_init_free (void *cfg_init)

static int	stob_null_domain_cfg_create_parse (const char str_cfg_create, void *cfg_create)

static void	stob_null_domain_cfg_create_free (void *cfg_create)

static int	stob_null_domain_init (struct m0_stob_type type, const char location_data, void cfg_init, struct m0_stob_domain *out)

static void	stob_null_domain_fini (struct m0_stob_domain *dom)

static int	stob_null_domain_create (struct m0_stob_type type, const char location_data, uint64_t dom_key, void *cfg_create)

static int	stob_null_domain_destroy (struct m0_stob_type type, const char location_data)

static struct m0_stob *	stob_null_alloc (struct m0_stob_domain dom, const struct m0_fid stob_fid)

static void	stob_null_free (struct m0_stob_domain dom, struct m0_stob stob)

static int	stob_null_cfg_parse (const char str_cfg_create, void *cfg_create)

static void	stob_null_cfg_free (void *cfg_create)

static struct stob_null *	stob_null_find (struct stob_null_domain snd, const struct m0_fid stob_fid, bool take_lock)

static int	stob_null_add (struct stob_null sn, struct stob_null_domain snd)

static void	stob_null_del (struct stob_null sn, struct stob_null_domain snd)

static int	stob_null_init (struct m0_stob stob, struct m0_stob_domain dom, const struct m0_fid *stob_fid)

static void	stob_null_fini (struct m0_stob *stob)

static void	stob_null_create_credit (struct m0_stob_domain dom, struct m0_be_tx_credit accum)

static int	stob_null_create (struct m0_stob stob, struct m0_stob_domain dom, struct m0_dtx dtx, const struct m0_fid stob_fid, void *cfg)

static void	stob_null_destroy_credit (struct m0_stob stob, struct m0_be_tx_credit accum)

static int	stob_null_destroy (struct m0_stob stob, struct m0_dtx dtx)

static int	stob_null_punch (struct m0_stob stob, struct m0_indexvec range, struct m0_dtx *dtx)

static uint32_t	stob_null_block_shift (struct m0_stob *stob)

Variables
const struct m0_stob_type	m0_stob_null_type

static struct m0_stob_type_ops	stob_null_type_ops

static struct m0_stob_domain_ops	stob_null_domain_ops

static struct m0_stob_ops	stob_null_ops

Macro Definition Documentation

◆ M0_TRACE_SUBSYSTEM

#define M0_TRACE_SUBSYSTEM M0_TRACE_SUBSYS_STOB

Definition at line 38 of file null.c.

Enumeration Type Documentation

◆ anonymous enum

anonymous enum

Null stob doesn't have persistent storage so we want to keep track of all created domains/stobs in RAM.

Enumerator
STOB_TYPE_NULL

Definition at line 46 of file null.c.

Function Documentation

◆ M0_TL_DEFINE() [1/2]

M0_TL_DEFINE	(	stob_null_stobs	,
		static	,
		struct stob_null
	)

◆ M0_TL_DEFINE() [2/2]

M0_TL_DEFINE	(	stob_null_domains	,
		static	,
		struct stob_null_domain
	)

◆ M0_TL_DESCR_DEFINE() [1/2]

M0_TL_DESCR_DEFINE	(	stob_null_stobs	,
		"list of null stobs in the domain"	,
		static	,
		struct stob_null	,
		sn_link	,
		sn_magic	,
		M0_STOB_NULL_MAGIC	,
		M0_STOB_NULL_HEAD_MAGIC
	)

◆ M0_TL_DESCR_DEFINE() [2/2]

M0_TL_DESCR_DEFINE	(	stob_null_domains	,
		"list of null stob domains"	,
		static	,
		struct stob_null_domain	,
		snd_link	,
		snd_magic	,
		M0_STOB_DOM_NULL_MAGIC	,
		M0_STOB_DOM_NULL_HEAD_MAGIC
	)

◆ stob_null_add()

static int stob_null_add	(	struct stob_null *	sn,
		struct stob_null_domain *	snd
	)

static

Definition at line 301 of file null.c.

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◆ stob_null_alloc()

static struct m0_stob* stob_null_alloc	(	struct m0_stob_domain *	dom,
		const struct m0_fid *	stob_fid
	)

static

Definition at line 264 of file null.c.

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◆ stob_null_block_shift()

static uint32_t stob_null_block_shift ( struct m0_stob * stob )

static

Definition at line 393 of file null.c.

◆ stob_null_cfg_free()

static void stob_null_cfg_free ( void * cfg_create )

static

Definition at line 282 of file null.c.

◆ stob_null_cfg_parse()

static int stob_null_cfg_parse	(	const char *	str_cfg_create,
		void **	cfg_create
	)

static

Definition at line 276 of file null.c.

◆ stob_null_create()

static int stob_null_create	(	struct m0_stob *	stob,
		struct m0_stob_domain *	dom,
		struct m0_dtx *	dtx,
		const struct m0_fid *	stob_fid,
		void *	cfg
	)

static

Definition at line 347 of file null.c.

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◆ stob_null_create_credit()

static void stob_null_create_credit	(	struct m0_stob_domain *	dom,
		struct m0_be_tx_credit *	accum
	)

static

Definition at line 342 of file null.c.

◆ stob_null_del()

static void stob_null_del	(	struct stob_null *	sn,
		struct stob_null_domain *	snd
	)

static

Definition at line 315 of file null.c.

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◆ stob_null_destroy()

static int stob_null_destroy	(	struct m0_stob *	stob,
		struct m0_dtx *	dtx
	)

static

Definition at line 377 of file null.c.

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◆ stob_null_destroy_credit()

static void stob_null_destroy_credit	(	struct m0_stob *	stob,
		struct m0_be_tx_credit *	accum
	)

static

Definition at line 372 of file null.c.

◆ stob_null_domain_add()

static int stob_null_domain_add	(	struct stob_null_domain *	snd,
		struct stob_null_lists *	snl
	)

static

Definition at line 130 of file null.c.

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◆ stob_null_domain_cfg_create_free()

static void stob_null_domain_cfg_create_free ( void * cfg_create )

static

Definition at line 175 of file null.c.

◆ stob_null_domain_cfg_create_parse()

static int stob_null_domain_cfg_create_parse	(	const char *	str_cfg_create,
		void **	cfg_create
	)

static

Definition at line 169 of file null.c.

◆ stob_null_domain_cfg_init_free()

static void stob_null_domain_cfg_init_free ( void * cfg_init )

static

Definition at line 165 of file null.c.

◆ stob_null_domain_cfg_init_parse()

static int stob_null_domain_cfg_init_parse	(	const char *	str_cfg_init,
		void **	cfg_init
	)

static

Definition at line 159 of file null.c.

◆ stob_null_domain_container()

static struct stob_null_domain* stob_null_domain_container ( struct m0_stob_domain * dom )

static

Definition at line 154 of file null.c.

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◆ stob_null_domain_create()

static int stob_null_domain_create	(	struct m0_stob_type *	type,
		const char *	location_data,
		uint64_t	dom_key,
		void *	cfg_create
	)

static

Definition at line 210 of file null.c.

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◆ stob_null_domain_del()

static void stob_null_domain_del	(	struct stob_null_domain *	snd,
		struct stob_null_lists *	snl
	)

static

Definition at line 145 of file null.c.

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◆ stob_null_domain_destroy()

static int stob_null_domain_destroy	(	struct m0_stob_type *	type,
		const char *	location_data
	)

static

Definition at line 247 of file null.c.

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◆ stob_null_domain_find()

static struct stob_null_domain* stob_null_domain_find	(	struct stob_null_lists *	snl,
		const char *	path,
		bool	take_lock
	)

static

Definition at line 115 of file null.c.

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◆ stob_null_domain_fini()

static void stob_null_domain_fini ( struct m0_stob_domain * dom )

static

Definition at line 206 of file null.c.

◆ stob_null_domain_init()

static int stob_null_domain_init	(	struct m0_stob_type *	type,
		const char *	location_data,
		void *	cfg_init,
		struct m0_stob_domain **	out
	)

static

Definition at line 179 of file null.c.

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◆ stob_null_find()

static struct stob_null* stob_null_find	(	struct stob_null_domain *	snd,
		const struct m0_fid *	stob_fid,
		bool	take_lock
	)

static

Definition at line 286 of file null.c.

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◆ stob_null_fini()

static void stob_null_fini ( struct m0_stob * stob )

static

Definition at line 338 of file null.c.

◆ stob_null_free()

static void stob_null_free	(	struct m0_stob_domain *	dom,
		struct m0_stob *	stob
	)

static

Definition at line 270 of file null.c.

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◆ stob_null_init()

static int stob_null_init	(	struct m0_stob *	stob,
		struct m0_stob_domain *	dom,
		const struct m0_fid *	stob_fid
	)

static

Definition at line 322 of file null.c.

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◆ stob_null_punch()

static int stob_null_punch	(	struct m0_stob *	stob,
		struct m0_indexvec *	range,
		struct m0_dtx *	dtx
	)

static

Definition at line 386 of file null.c.

◆ stob_null_type_deregister()

static void stob_null_type_deregister ( struct m0_stob_type * type )

static

Definition at line 105 of file null.c.

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◆ stob_null_type_register()

static void stob_null_type_register ( struct m0_stob_type * type )

static

Definition at line 93 of file null.c.

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Variable Documentation

◆ stob_null_domain_ops

static struct m0_stob_domain_ops stob_null_domain_ops

static

Initial value:

= {
        .sdo_fini               = &stob_null_domain_fini,
        .sdo_stob_alloc         = &stob_null_alloc,
        .sdo_stob_free          = &stob_null_free,
        .sdo_stob_cfg_parse     = &stob_null_cfg_parse,
        .sdo_stob_cfg_free      = &stob_null_cfg_free,
        .sdo_stob_init          = &stob_null_init,
        .sdo_stob_create_credit = &stob_null_create_credit,
        .sdo_stob_create        = &stob_null_create,
}

Definition at line 90 of file null.c.

◆ stob_null_ops

static struct m0_stob_ops stob_null_ops

static

Initial value:

= {
        .sop_fini           = &stob_null_fini,
        .sop_destroy_credit = &stob_null_destroy_credit,
        .sop_destroy        = &stob_null_destroy,
        .sop_punch          = &stob_null_punch,
        .sop_block_shift    = &stob_null_block_shift,
}

Definition at line 91 of file null.c.

◆ stob_null_type_ops

static struct m0_stob_type_ops stob_null_type_ops

static

Initial value:

= {
        .sto_register                = &stob_null_type_register,
        .sto_deregister              = &stob_null_type_deregister,
        .sto_domain_cfg_init_parse   = &stob_null_domain_cfg_init_parse,
        .sto_domain_cfg_init_free    = &stob_null_domain_cfg_init_free,
        .sto_domain_cfg_create_parse = &stob_null_domain_cfg_create_parse,
        .sto_domain_cfg_create_free  = &stob_null_domain_cfg_create_free,
        .sto_domain_init             = &stob_null_domain_init,
        .sto_domain_create           = &stob_null_domain_create,
        .sto_domain_destroy          = &stob_null_domain_destroy,
}

Definition at line 89 of file null.c.

Data Structures

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

◆ M0_TRACE_SUBSYSTEM

Enumeration Type Documentation

◆ anonymous enum

Function Documentation

◆ M0_TL_DEFINE() [1/2]

◆ M0_TL_DEFINE() [2/2]

◆ M0_TL_DESCR_DEFINE() [1/2]

◆ M0_TL_DESCR_DEFINE() [2/2]

◆ stob_null_add()

◆ stob_null_alloc()

◆ stob_null_block_shift()

◆ stob_null_cfg_free()

◆ stob_null_cfg_parse()

◆ stob_null_create()

◆ stob_null_create_credit()

◆ stob_null_del()

◆ stob_null_destroy()

◆ stob_null_destroy_credit()

◆ stob_null_domain_add()

◆ stob_null_domain_cfg_create_free()

◆ stob_null_domain_cfg_create_parse()

◆ stob_null_domain_cfg_init_free()

◆ stob_null_domain_cfg_init_parse()

◆ stob_null_domain_container()

◆ stob_null_domain_create()

◆ stob_null_domain_del()

◆ stob_null_domain_destroy()

◆ stob_null_domain_find()

◆ stob_null_domain_fini()

◆ stob_null_domain_init()

◆ stob_null_find()

◆ stob_null_fini()

◆ stob_null_free()

◆ stob_null_init()

◆ stob_null_punch()

◆ stob_null_type_deregister()

◆ stob_null_type_register()

Variable Documentation

◆ stob_null_domain_ops

◆ stob_null_ops

◆ stob_null_type_ops