balloc.c File Reference

#include <stdlib.h>
#include <errno.h>
#include <sys/time.h>
#include <err.h>
#include "lib/trace.h"
#include "lib/arith.h"
#include "lib/misc.h"
#include "lib/assert.h"
#include "lib/memory.h"
#include "lib/thread.h"
#include "lib/getopts.h"
#include "dtm/dtm.h"
#include "motr/magic.h"
#include "ut/ut.h"
#include "ut/be.h"
#include "balloc/balloc.h"
#include "be/ut/helper.h"
#include "stob/ad.h"

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Macros
#define	M0_TRACE_SUBSYSTEM   M0_TRACE_SUBSYS_BALLOC
#define	BALLOC_DBNAME   "./__balloc_db"
#define	GROUP_SIZE
#define	BALLOC_DEBUG

Enumerations
enum	balloc_invariant_enum { INVAR_ALLOC, INVAR_FREE }

Functions
bool	balloc_ut_invariant (struct m0_balloc *motr_balloc, struct m0_ext alloc_ext, int balloc_invariant_flag)
int	test_balloc_ut_ops (struct m0_be_ut_backend *ut_be, struct m0_be_seg *seg, bool is_reserve)
void	test_balloc ()
void	test_reserve_extent ()

Variables
static const int	MAX = 10
static m0_bcount_t	prev_free_blocks
m0_bcount_t *	prev_group_info_free_blocks
struct m0_ut_suite	balloc_ut

Macro Definition Documentation

BALLOC_DBNAME

#define BALLOC_DBNAME   "./__balloc_db"

Definition at line 44 of file balloc.c.

BALLOC_DEBUG

#define BALLOC_DEBUG

Definition at line 49 of file balloc.c.

GROUP_SIZE

#define GROUP_SIZE

Value:

(BALLOC_DEF_CONTAINER_SIZE / (BALLOC_DEF_BLOCKS_PER_GROUP * \
                                                 (1 << BALLOC_DEF_BLOCK_SHIFT)))

Definition at line 46 of file balloc.c.

M0_TRACE_SUBSYSTEM

#define M0_TRACE_SUBSYSTEM   M0_TRACE_SUBSYS_BALLOC

Definition at line 28 of file balloc.c.

Enumeration Type Documentation

balloc_invariant_enum

enum balloc_invariant_enum

Enumerator
INVAR_ALLOC
INVAR_FREE

Definition at line 55 of file balloc.c.

Function Documentation

balloc_ut_invariant()

bool balloc_ut_invariant	(	struct m0_balloc *	motr_balloc,
		struct m0_ext	alloc_ext,
		int	balloc_invariant_flag
	)

Definition at line 60 of file balloc.c.

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test_balloc()

void test_balloc

(

)

Definition at line 268 of file balloc.c.

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test_balloc_ut_ops()

int test_balloc_ut_ops	(	struct m0_be_ut_backend *	ut_be,
		struct m0_be_seg *	seg,
		bool	is_reserve
	)

Verifies balloc operations.

Parameters

is_reserve

true to reserve an extent. false to allocate an extent.

Returns

0 on success. -errno on failure.

Definition at line 99 of file balloc.c.

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test_reserve_extent()

void test_reserve_extent

(

)

Definition at line 285 of file balloc.c.

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Variable Documentation

balloc_ut

struct m0_ut_suite balloc_ut

Initial value:

= {
        .ts_name  = "balloc-ut",
        .ts_init = NULL,
        .ts_fini = NULL,
        .ts_tests = {
                { "balloc", test_balloc},
                { "reserve blocks for extmap", test_reserve_extent},
                { NULL, NULL }
        }
}

Definition at line 302 of file balloc.c.

MAX

const int MAX = 10

static

Definition at line 51 of file balloc.c.

prev_free_blocks

m0_bcount_t prev_free_blocks

static

Definition at line 52 of file balloc.c.

prev_group_info_free_blocks

m0_bcount_t* prev_group_info_free_blocks

Definition at line 53 of file balloc.c.