flock.c File Reference

#include <sys/stat.h>
#include "lib/misc.h"
#include "lib/memory.h"
#include "lib/finject.h"
#include "lib/locality.h"
#include "reqh/reqh_service.h"
#include "reqh/reqh.h"
#include "motr/setup.h"
#include "sns/cm/repair/ag.h"
#include "sns/cm/cm.h"
#include "sns/cm/file.h"
#include "sns/cm/repair/ut/cp_common.h"
#include "fop/fom_simple.h"
#include "mdservice/md_fid.h"
#include "rm/rm_service.h"

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Data Structures
struct	flock_ut_fom

Enumerations
enum	{   SINGLE_THREAD_TEST = 1, MULTI_THREAD_TEST, KEY_START = 1ULL << 16, NR = 3,   KEY_MAX = KEY_START + NR, NR_FIDS = 10 }
enum	{ FILE_LOCK = M0_FOM_PHASE_FINISH + 1, FILE_LOCK_WAIT, FILE_LOCKED, FILE_UNLOCK_WAIT }

Functions
static int	file_lock_verify (struct m0_sns_cm *scm, struct m0_fid *fid, int64_t ref)
static struct flock_ut_fom *	fom_simple2flock_fom (struct m0_fom_simple *fs)
static int	flock_ut_fom_tick (struct m0_fom *fom, void *data, int *phase)
void	flock_ut_fom_free (struct m0_fom_simple *sfom)
static void	sns_flock_multi_fom (void)
static void	sns_flock_single_fom (void)
static int	fids_set (void)
static int	test_setup (void)
static int	test_fini (void)
static void	file_lock_wait (struct m0_sns_cm_file_ctx *fctx, struct m0_clink *clink)
static void	file_unlock_and_wait (struct m0_sns_cm_file_ctx *fctx, struct m0_clink *clink)
static void	sns_file_lock_unlock (void)

Variables
static struct m0_reqh *	reqh
static struct m0_reqh_service *	service
static struct m0_cm *	cm
static struct m0_sns_cm *	scm
static struct flock_ut_fom	fs [NR]
static struct m0_fid	test_fids [NR_FIDS]
static struct m0_fid	gfid
static int	fid_index
static struct m0_sm_state_descr	flock_ut_fom_phases []
static struct m0_sm_conf	flock_ut_conf
struct m0_ut_suite	sns_flock_ut

Enumeration Type Documentation

anonymous enum

anonymous enum

Enumerator
SINGLE_THREAD_TEST
MULTI_THREAD_TEST
KEY_START
NR
KEY_MAX
NR_FIDS

Definition at line 41 of file flock.c.

anonymous enum

anonymous enum

Enumerator
FILE_LOCK
FILE_LOCK_WAIT
FILE_LOCKED
FILE_UNLOCK_WAIT

Definition at line 64 of file flock.c.

Function Documentation

fids_set()

static int fids_set ( void  )

static

Definition at line 224 of file flock.c.

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file_lock_verify()

static int file_lock_verify ( struct m0_sns_cm *  scm, struct m0_fid *  fid, int64_t  ref  )

static

Definition at line 105 of file flock.c.

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file_lock_wait()

static void file_lock_wait ( struct m0_sns_cm_file_ctx *  fctx, struct m0_clink *  clink  )

static

Definition at line 274 of file flock.c.

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file_unlock_and_wait()

static void file_unlock_and_wait ( struct m0_sns_cm_file_ctx *  fctx, struct m0_clink *  clink  )

static

Definition at line 300 of file flock.c.

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flock_ut_fom_free()

void flock_ut_fom_free

(

struct m0_fom_simple *

sfom

)

Definition at line 189 of file flock.c.

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flock_ut_fom_tick()

static int flock_ut_fom_tick ( struct m0_fom *  fom, void *  data, int *  phase  )

static

Definition at line 123 of file flock.c.

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fom_simple2flock_fom()

static struct flock_ut_fom* fom_simple2flock_fom ( struct m0_fom_simple *  fs )

static

Definition at line 118 of file flock.c.

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sns_file_lock_unlock()

static void sns_file_lock_unlock ( void  )

static

Definition at line 310 of file flock.c.

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sns_flock_multi_fom()

static void sns_flock_multi_fom ( void  )

static

Definition at line 196 of file flock.c.

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sns_flock_single_fom()

static void sns_flock_single_fom ( void  )

static

Definition at line 213 of file flock.c.

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test_fini()

static int test_fini ( void  )

static

Definition at line 266 of file flock.c.

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test_setup()

static int test_setup ( void  )

static

Definition at line 241 of file flock.c.

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Variable Documentation

cm

struct m0_cm* cm

static

Definition at line 57 of file flock.c.

fid_index

int fid_index

static

Definition at line 62 of file flock.c.

flock_ut_conf

struct m0_sm_conf flock_ut_conf

static

Initial value:

= {
        .scf_name      = "flock ut fom",
        .scf_nr_states = ARRAY_SIZE(flock_ut_fom_phases),
        .scf_state     = flock_ut_fom_phases,
}

Definition at line 99 of file flock.c.

flock_ut_fom_phases

struct m0_sm_state_descr flock_ut_fom_phases[]

static

Initial value:

= {
        [M0_FOM_PHASE_INIT] = {
                .sd_name      = "init",
                .sd_allowed   = M0_BITS(FILE_LOCK),
                .sd_flags     = M0_SDF_INITIAL
        },
        [FILE_LOCK] = {
                .sd_name      = "File lock acquire",
                .sd_allowed   = M0_BITS(FILE_LOCK_WAIT, M0_FOM_PHASE_FINISH)
        },
        [FILE_LOCK_WAIT] = {
                .sd_name      = "Wait for file lock",
                .sd_allowed   = M0_BITS(FILE_LOCK_WAIT, FILE_LOCKED, M0_FOM_PHASE_FINISH)
        },
        [FILE_LOCKED] = {
                .sd_name      = "file locked, now unlock",
                .sd_allowed   = M0_BITS(FILE_UNLOCK_WAIT, M0_FOM_PHASE_FINISH)
        },
        [FILE_UNLOCK_WAIT] = {
                .sd_name      = "file unlocked, now fini",
                .sd_allowed   = M0_BITS(M0_FOM_PHASE_FINISH)
        },
        [M0_FOM_PHASE_FINISH] = {
                .sd_name      = "fini",
                .sd_flags     = M0_SDF_TERMINAL
        }
}

Definition at line 71 of file flock.c.

fs

struct flock_ut_fom fs[NR]

static

Definition at line 59 of file flock.c.

gfid

struct m0_fid gfid

static

Definition at line 61 of file flock.c.

reqh

struct m0_reqh* reqh

static

Definition at line 55 of file flock.c.

scm

struct m0_sns_cm* scm

static

Definition at line 58 of file flock.c.

service

struct m0_reqh_service* service

static

Definition at line 56 of file flock.c.

sns_flock_ut

struct m0_ut_suite sns_flock_ut

Initial value:

= {
        .ts_name = "sns-file-lock-ut",
        .ts_init = test_setup,
        .ts_fini = test_fini,
        .ts_tests = {
                { "sns-file-lock-unlock", sns_file_lock_unlock},
                { "sns-flock-single-fom", sns_flock_single_fom},
                { "sns-flock-multi-fom", sns_flock_multi_fom},
                { NULL, NULL }
        }
}

Definition at line 343 of file flock.c.

test_fids

struct m0_fid test_fids[NR_FIDS]

static

Definition at line 60 of file flock.c.