sliding window update fom

Collaboration diagram for sliding window update fom:

Enumerations
enum	cm_sw_update_fom_phase { SWU_UPDATE = M0_FOM_PHASE_INIT, SWU_FINI = M0_FOM_PHASE_FINISH, SWU_NR }

Functions
static struct m0_cm *	cm_swu2cm (struct m0_cm_sw_update *swu)
static struct m0_cm_sw_update *	cm_fom2swu (struct m0_fom *fom)
static int	swu_update (struct m0_cm_sw_update *swu)
static uint64_t	cm_swu_fom_locality (const struct m0_fom *fom)
static int	cm_swu_fom_tick (struct m0_fom *fom)
static void	cm_swu_fom_fini (struct m0_fom *fom)
M0_INTERNAL void	m0_cm_sw_update_init (struct m0_cm_type *cmtype)
M0_INTERNAL void	m0_cm_sw_update_start (struct m0_cm *cm)
M0_INTERNAL void	m0_cm_sw_update_complete (struct m0_cm *cm)

Variables
static const struct m0_fom_type_ops	cm_sw_update_fom_type_ops
static struct m0_sm_state_descr	cm_sw_update_sd [SWU_NR]
struct m0_sm_conf	cm_sw_update_conf
static int(*	swu_action [])(struct m0_cm_sw_update *swu)
static const struct m0_fom_ops	cm_sw_update_fom_ops

Detailed Description

Implementation of sliding window update FOM. Provides mechanism to handle blocking operations like local sliding update and updating the persistent store with new sliding window. Provides interfaces to start, wakeup (if idle) and stop the sliding window update FOM.

Enumeration Type Documentation

cm_sw_update_fom_phase

enum cm_sw_update_fom_phase

Enumerator
SWU_UPDATE
SWU_FINI
SWU_NR

Definition at line 53 of file sw_update_fom.c.

Function Documentation

cm_fom2swu()

static struct m0_cm_sw_update* cm_fom2swu ( struct m0_fom *  fom )

static

Definition at line 86 of file sw_update_fom.c.

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cm_swu2cm()

static struct m0_cm* cm_swu2cm ( struct m0_cm_sw_update *  swu )

static

Definition at line 81 of file sw_update_fom.c.

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cm_swu_fom_fini()

static void cm_swu_fom_fini ( struct m0_fom *  fom )

static

Definition at line 147 of file sw_update_fom.c.

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cm_swu_fom_locality()

static uint64_t cm_swu_fom_locality ( const struct m0_fom *  fom )

static

Definition at line 105 of file sw_update_fom.c.

cm_swu_fom_tick()

static int cm_swu_fom_tick ( struct m0_fom *  fom )

static

Definition at line 109 of file sw_update_fom.c.

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m0_cm_sw_update_complete()

M0_INTERNAL void m0_cm_sw_update_complete

(

struct m0_cm *

cm

)

Definition at line 180 of file sw_update_fom.c.

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m0_cm_sw_update_init()

M0_INTERNAL void m0_cm_sw_update_init

(

struct m0_cm_type *

cmtype

)

Definition at line 158 of file sw_update_fom.c.

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m0_cm_sw_update_start()

M0_INTERNAL void m0_cm_sw_update_start

(

struct m0_cm *

cm

)

Starts sliding window update FOM by submitting the corresponding FOM to request handler.

Definition at line 165 of file sw_update_fom.c.

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swu_update()

static int swu_update ( struct m0_cm_sw_update *  swu )

static

Definition at line 91 of file sw_update_fom.c.

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Variable Documentation

cm_sw_update_conf

struct m0_sm_conf cm_sw_update_conf

Initial value:

= {
        .scf_name      = "sm: sw update conf",
        .scf_nr_states = ARRAY_SIZE(cm_sw_update_sd),
        .scf_state     = cm_sw_update_sd,
}

Definition at line 75 of file sw_update_fom.c.

cm_sw_update_fom_ops

const struct m0_fom_ops cm_sw_update_fom_ops

static

Initial value:

= {
        .fo_fini          = cm_swu_fom_fini,
        .fo_tick          = cm_swu_fom_tick,
        .fo_home_locality = cm_swu_fom_locality
}

Definition at line 152 of file sw_update_fom.c.

cm_sw_update_fom_type_ops

const struct m0_fom_type_ops cm_sw_update_fom_type_ops

static

Initial value:

= {
}

Definition at line 59 of file sw_update_fom.c.

cm_sw_update_sd

struct m0_sm_state_descr cm_sw_update_sd[SWU_NR]

static

Initial value:

= {
        [SWU_UPDATE] = {
                .sd_flags   = M0_SDF_INITIAL,
                .sd_name    = "Update",
                .sd_allowed = M0_BITS(SWU_FINI)
        },
        [SWU_FINI] = {
                .sd_flags   = M0_SDF_TERMINAL,
                .sd_name    = "Fini",
                .sd_allowed = 0
        },
}

Definition at line 62 of file sw_update_fom.c.

swu_action

int(* swu_action[])(struct m0_cm_sw_update *swu)

static

Initial value:

= {
        [SWU_UPDATE] = swu_update,
}

Definition at line 101 of file sw_update_fom.c.