helpers.c File Reference

#include "lib/trace.h"
#include "lib/misc.h"
#include "fid/fid.h"
#include "cm/proxy.h"
#include "sns/parity_repair.h"
#include "sns/cm/cm_utils.h"
#include "sns/cm/ag.h"
#include "sns/cm/file.h"
#include "pool/pool.h"

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Macros
#define	M0_TRACE_SUBSYSTEM   M0_TRACE_SUBSYS_SNSCM

Functions
M0_INTERNAL int	m0_sns_cm_rebalance_ag_setup (struct m0_sns_cm_ag *sag, struct m0_pdclust_layout *pl)
static bool	is_spare_relevant (const struct m0_sns_cm *scm, struct m0_sns_cm_file_ctx *fctx, uint64_t group, uint32_t spare, uint32_t *incoming_unit)
static int	cob_to_proxy (struct m0_fid *cobfid, const struct m0_cm *cm, struct m0_poolmach *pm, struct m0_cm_proxy **pxy)
static int	rebalance_ag_in_cp_units (const struct m0_sns_cm *scm, const struct m0_cm_ag_id *id, struct m0_sns_cm_file_ctx *fctx, uint32_t *in_cp_nr, uint32_t *in_units_nr, struct m0_cm_proxy_in_count *pcount)
static uint64_t	rebalance_ag_unit_start (const struct m0_pdclust_layout *pl)
static uint64_t	rebalance_ag_unit_end (const struct m0_pdclust_layout *pl)
static int	_tgt_check_and_change (struct m0_sns_cm_ag *sag, struct m0_poolmach *pm, struct m0_pdclust_layout *pl, uint64_t data_unit, uint32_t old_tgt_dev, uint64_t *new_tgt_unit)
M0_INTERNAL int	m0_sns_cm_rebalance_tgt_info (struct m0_sns_cm_ag *sag, struct m0_sns_cm_cp *scp)
static bool	rebalance_ag_is_relevant (struct m0_sns_cm *scm, struct m0_sns_cm_file_ctx *fctx, uint64_t group)
static int	rebalance_cob_locate (struct m0_sns_cm *scm, struct m0_cob_domain *cdom, struct m0_poolmach *pm, const struct m0_fid *cob_fid)
static bool	rebalance_is_cob_failed (struct m0_poolmach *pm, uint32_t cob_index)

Variables
const struct m0_sns_cm_helpers	rebalance_helpers

Macro Definition Documentation

M0_TRACE_SUBSYSTEM

#define M0_TRACE_SUBSYSTEM   M0_TRACE_SUBSYS_SNSCM

Definition at line 23 of file helpers.c.

Function Documentation

_tgt_check_and_change()

static int _tgt_check_and_change ( struct m0_sns_cm_ag *  sag, struct m0_poolmach *  pm, struct m0_pdclust_layout *  pl, uint64_t  data_unit, uint32_t  old_tgt_dev, uint64_t *  new_tgt_unit  )

static

Definition at line 167 of file helpers.c.

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cob_to_proxy()

static int cob_to_proxy ( struct m0_fid *  cobfid, const struct m0_cm *  cm, struct m0_poolmach *  pm, struct m0_cm_proxy **  pxy  )

static

Definition at line 46 of file helpers.c.

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is_spare_relevant()

static bool is_spare_relevant ( const struct m0_sns_cm *  scm, struct m0_sns_cm_file_ctx *  fctx, uint64_t  group, uint32_t  spare, uint32_t *  incoming_unit  )

static

Definition at line 237 of file helpers.c.

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rebalance_ag_in_cp_units()

static int rebalance_ag_in_cp_units ( const struct m0_sns_cm *  scm, const struct m0_cm_ag_id *  id, struct m0_sns_cm_file_ctx *  fctx, uint32_t *  in_cp_nr, uint32_t *  in_units_nr, struct m0_cm_proxy_in_count *  pcount  )

static

Definition at line 70 of file helpers.c.

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rebalance_ag_is_relevant()

static bool rebalance_ag_is_relevant ( struct m0_sns_cm *  scm, struct m0_sns_cm_file_ctx *  fctx, uint64_t  group  )

static

Definition at line 283 of file helpers.c.

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rebalance_ag_unit_end()

static uint64_t rebalance_ag_unit_end ( const struct m0_pdclust_layout *  pl )

static

Definition at line 162 of file helpers.c.

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rebalance_ag_unit_start()

static uint64_t rebalance_ag_unit_start ( const struct m0_pdclust_layout *  pl )

static

Definition at line 157 of file helpers.c.

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rebalance_cob_locate()

static int rebalance_cob_locate ( struct m0_sns_cm *  scm, struct m0_cob_domain *  cdom, struct m0_poolmach *  pm, const struct m0_fid *  cob_fid  )

static

Definition at line 339 of file helpers.c.

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rebalance_is_cob_failed()

static bool rebalance_is_cob_failed ( struct m0_poolmach *  pm, uint32_t  cob_index  )

static

Definition at line 345 of file helpers.c.

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