Pool Versions Selection Policy.

Data Structures
struct	m0_pver_policy_first_available
struct	m0_pver_policy
struct	m0_pver_policy_type_ops
struct	m0_pver_policy_type
struct	m0_pver_policy_ops
struct	m0_pver_policies

Enumerations
enum	m0_pver_policy_code { M0_PVER_POLICY_FIRST_AVAILABLE, M0_PVER_POLICY_NR }

Functions
	M0_TL_DESCR_DEFINE (pver_policy_types, "pver policy type list", static, struct m0_pver_policy_type, ppt_link, ppt_magic, M0_PVER_POLICY_MAGIC, M0_PVER_POLICY_HEAD_MAGIC)
	M0_TL_DEFINE (pver_policy_types, static, struct m0_pver_policy_type)
static int	pver_first_available_create (struct m0_pver_policy **out)
static int	pver_first_available_init (struct m0_pver_policy *policy)
static int	pver_first_available_get (struct m0_pools_common *pc, const struct m0_pool *pool, struct m0_pool_version **pver)
static void	pver_first_available_fini (struct m0_pver_policy *policy)
static struct m0_pver_policies *	pver_policies (void)
M0_INTERNAL struct m0_pver_policy_type *	m0_pver_policy_type_find (enum m0_pver_policy_code code)
M0_INTERNAL int	m0_pver_policy_types_nr (void)
M0_INTERNAL int	m0_pver_policy_type_register (struct m0_pver_policy_type *type)
M0_INTERNAL void	m0_pver_policy_type_deregister (struct m0_pver_policy_type *type)
M0_INTERNAL int	m0_pver_policies_init (void)
M0_INTERNAL void	m0_pver_policies_fini (void)

Variables
static const struct m0_pver_policy_type_ops	first_vailable_pver_policy_type_ops
static struct m0_pver_policy_type	first_available_pver_policy_type
static const struct m0_pver_policy_ops	first_available_pver_policy_ops
enum m0_pver_policy_code	M0_XCA_ENUM

Detailed Description

Enumeration Type Documentation

m0_pver_policy_code

enum m0_pver_policy_code

Pool version policy codes.

Enumerator
M0_PVER_POLICY_FIRST_AVAILABLE
M0_PVER_POLICY_NR

Definition at line 40 of file policy.h.

Function Documentation

m0_pver_policies_fini()

M0_INTERNAL void m0_pver_policies_fini

(

void

)

Definition at line 180 of file policy.c.

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m0_pver_policies_init()

M0_INTERNAL int m0_pver_policies_init

(

void

)

Definition at line 165 of file policy.c.

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m0_pver_policy_type_deregister()

M0_INTERNAL void m0_pver_policy_type_deregister

(

struct m0_pver_policy_type *

type

)

Unregister pool version policy type.

Definition at line 160 of file policy.c.

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m0_pver_policy_type_find()

M0_INTERNAL struct m0_pver_policy_type * m0_pver_policy_type_find

(

enum m0_pver_policy_code

code

)

Get pool version policy type.

Definition at line 141 of file policy.c.

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m0_pver_policy_type_register()

M0_INTERNAL int m0_pver_policy_type_register

(

struct m0_pver_policy_type *

type

)

Register pool version policy type.

Definition at line 153 of file policy.c.

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m0_pver_policy_types_nr()

M0_INTERNAL int m0_pver_policy_types_nr

(

void

)

Number of policies registered

Definition at line 147 of file policy.c.

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M0_TL_DEFINE()

M0_TL_DEFINE	(	pver_policy_types	,
		static	,
		struct m0_pver_policy_type
	)

M0_TL_DESCR_DEFINE()

M0_TL_DESCR_DEFINE	(	pver_policy_types	,
		"pver policy type list"	,
		static	,
		struct m0_pver_policy_type	,
		ppt_link	,
		ppt_magic	,
		M0_PVER_POLICY_MAGIC	,
		M0_PVER_POLICY_HEAD_MAGIC
	)

pver_first_available_create()

static int pver_first_available_create ( struct m0_pver_policy **  out )

static

Definition at line 80 of file policy.c.

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pver_first_available_fini()

static void pver_first_available_fini ( struct m0_pver_policy *  policy )

static

Definition at line 99 of file policy.c.

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pver_first_available_get()

static int pver_first_available_get ( struct m0_pools_common *  pc, const struct m0_pool *  pool, struct m0_pool_version **  pver  )

static

Definition at line 107 of file policy.c.

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pver_first_available_init()

static int pver_first_available_init ( struct m0_pver_policy *  policy )

static

Definition at line 93 of file policy.c.

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pver_policies()

static struct m0_pver_policies* pver_policies ( void  )

static

Definition at line 135 of file policy.c.

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Variable Documentation

first_available_pver_policy_ops

const struct m0_pver_policy_ops first_available_pver_policy_ops

static

Initial value:

= {
        .ppo_init = pver_first_available_init,
        .ppo_fini = pver_first_available_fini,
        .ppo_get  = pver_first_available_get
}

Definition at line 74 of file policy.c.

first_available_pver_policy_type

struct m0_pver_policy_type first_available_pver_policy_type

static

Initial value:

= {
        .ppt_name = "pver_policy_first_available",
        .ppt_code = M0_PVER_POLICY_FIRST_AVAILABLE,
        .ppt_ops  = &first_vailable_pver_policy_type_ops
}

Definition at line 68 of file policy.c.

first_vailable_pver_policy_type_ops

const struct m0_pver_policy_type_ops first_vailable_pver_policy_type_ops

static

Initial value:

= {
        .ppto_create = pver_first_available_create
}

Definition at line 59 of file policy.c.

M0_XCA_ENUM

enum m0_pver_policy_code M0_XCA_ENUM