Layout Configuration.

Macros
#define	M0_TRACE_SUBSYSTEM   M0_TRACE_SUBSYS_LAYOUT

Functions
static int	layout_enum_build (struct m0_layout_domain *dom, const uint32_t pool_width, struct m0_layout_enum **lay_enum)
static int	__layout_build (struct m0_layout_domain *dom, const uint64_t layout_id, struct m0_pool_version *pv, struct m0_layout_enum *le, struct m0_layout **layout)
M0_INTERNAL int	m0_layout_init_by_pver (struct m0_layout_domain *dom, struct m0_pool_version *pv, int *count)

Variables
int	m0_lid_to_unit_map []
const int	m0_lid_to_unit_map_nr = ARRAY_SIZE(m0_lid_to_unit_map)
const int	m0_lid_to_unit_map_nr

Detailed Description

Macro Definition Documentation

M0_TRACE_SUBSYSTEM

#define M0_TRACE_SUBSYSTEM   M0_TRACE_SUBSYS_LAYOUT

Definition at line 30 of file layout_pver.c.

Function Documentation

__layout_build()

static int __layout_build ( struct m0_layout_domain *  dom, const uint64_t  layout_id, struct m0_pool_version *  pv, struct m0_layout_enum *  le, struct m0_layout **  layout  )

static

Definition at line 76 of file layout_pver.c.

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layout_enum_build()

static int layout_enum_build ( struct m0_layout_domain *  dom, const uint32_t  pool_width, struct m0_layout_enum **  lay_enum  )

static

Definition at line 48 of file layout_pver.c.

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m0_layout_init_by_pver()

M0_INTERNAL int m0_layout_init_by_pver	(	struct m0_layout_domain *	dom,
		struct m0_pool_version *	pv,
		int *	count
	)

Generate layout out of passed pool version.

At this point layout has also added to the list in domain.

Definition at line 118 of file layout_pver.c.

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Variable Documentation

m0_lid_to_unit_map

int m0_lid_to_unit_map[]

Initial value:

= {
       [ 0] =       -1, 
       [ 1] =     4096,
       [ 2] =     8192,
       [ 3] =    16384,
       [ 4] =    32768,
       [ 5] =    65536,
       [ 6] =   131072,
       [ 7] =   262144,
       [ 8] =   524288,
       [ 9] =  1048576,
       [10] =  2097152,
       [11] =  4194304,
       [12] =  8388608,
       [13] = 16777216,
       [14] = 33554432,
}

Definition at line 99 of file layout_pver.c.

m0_lid_to_unit_map_nr [1/2]

const int m0_lid_to_unit_map_nr = ARRAY_SIZE(m0_lid_to_unit_map)

Definition at line 116 of file layout_pver.c.

m0_lid_to_unit_map_nr [2/2]

const int m0_lid_to_unit_map_nr

Definition at line 116 of file layout_pver.c.