dlmmaster.c File Reference

#include <linux/module.h>
#include <linux/fs.h>
#include <linux/types.h>
#include <linux/slab.h>
#include <linux/highmem.h>
#include <linux/init.h>
#include <linux/sysctl.h>
#include <linux/random.h>
#include <linux/blkdev.h>
#include <linux/socket.h>
#include <linux/inet.h>
#include <linux/spinlock.h>
#include <linux/delay.h>
#include "cluster/heartbeat.h"
#include "cluster/nodemanager.h"
#include "cluster/tcp.h"
#include "dlmapi.h"
#include "dlmcommon.h"
#include "dlmdomain.h"
#include "dlmdebug.h"
#include "cluster/masklog.h"

Go to the source code of this file.

Data Structures
struct	dlm_bitmap_diff_iter

Macros
#define	MLOG_MASK_PREFIX   (ML_DLM|ML_DLM_MASTER)
#define	DLM_MASTERY_TIMEOUT_MS   5000
#define	DLM_MIGRATION_RETRY_MS   100

Enumerations
enum	dlm_node_state_change { NODE_DOWN = -1, NODE_NO_CHANGE = 0, NODE_UP }

Functions
int	dlm_is_host_down (int errno)
void	__dlm_unlink_mle (struct dlm_ctxt *dlm, struct dlm_master_list_entry *mle)
void	__dlm_insert_mle (struct dlm_ctxt *dlm, struct dlm_master_list_entry *mle)
void	dlm_hb_event_notify_attached (struct dlm_ctxt *dlm, int idx, int node_up)
int	dlm_init_mle_cache (void)
void	dlm_destroy_mle_cache (void)
int	dlm_init_master_caches (void)
void	dlm_destroy_master_caches (void)
void	dlm_lockres_put (struct dlm_lock_resource *res)
struct dlm_lock_resource *	dlm_new_lockres (struct dlm_ctxt *dlm, const char *name, unsigned int namelen)
void	dlm_lockres_set_refmap_bit (struct dlm_ctxt *dlm, struct dlm_lock_resource *res, int bit)
void	dlm_lockres_clear_refmap_bit (struct dlm_ctxt *dlm, struct dlm_lock_resource *res, int bit)
void	dlm_lockres_grab_inflight_ref (struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
void	dlm_lockres_drop_inflight_ref (struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
struct dlm_lock_resource *	dlm_get_lock_resource (struct dlm_ctxt *dlm, const char *lockid, int namelen, int flags)
int	dlm_master_request_handler (struct o2net_msg *msg, u32 len, void *data, void **ret_data)
int	dlm_assert_master_handler (struct o2net_msg *msg, u32 len, void *data, void **ret_data)
void	dlm_assert_master_post_handler (int status, void *data, void *ret_data)
int	dlm_dispatch_assert_master (struct dlm_ctxt *dlm, struct dlm_lock_resource *res, int ignore_higher, u8 request_from, u32 flags)
int	dlm_drop_lockres_ref (struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
int	dlm_deref_lockres_handler (struct o2net_msg *msg, u32 len, void *data, void **ret_data)
int	dlm_empty_lockres (struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
int	dlm_lock_basts_flushed (struct dlm_ctxt *dlm, struct dlm_lock *lock)
int	dlm_migrate_request_handler (struct o2net_msg *msg, u32 len, void *data, void **ret_data)
void	dlm_clean_master_list (struct dlm_ctxt *dlm, u8 dead_node)
int	dlm_finish_migration (struct dlm_ctxt *dlm, struct dlm_lock_resource *res, u8 old_master)
void	__dlm_lockres_reserve_ast (struct dlm_lock_resource *res)
void	dlm_lockres_release_ast (struct dlm_ctxt *dlm, struct dlm_lock_resource *res)
void	dlm_force_free_mles (struct dlm_ctxt *dlm)

Macro Definition Documentation

#define DLM_MASTERY_TIMEOUT_MS   5000

Definition at line 978 of file dlmmaster.c.

#define DLM_MIGRATION_RETRY_MS   100

Definition at line 2613 of file dlmmaster.c.

#define MLOG_MASK_PREFIX   (ML_DLM|ML_DLM_MASTER)

Definition at line 52 of file dlmmaster.c.

Enumeration Type Documentation

enum dlm_node_state_change

Enumerator:

NODE_DOWN
NODE_NO_CHANGE
NODE_UP

Definition at line 1141 of file dlmmaster.c.

Function Documentation

void __dlm_insert_mle	(	struct dlm_ctxt *	dlm,
		struct dlm_master_list_entry *	mle
	)

Definition at line 328 of file dlmmaster.c.

void __dlm_lockres_reserve_ast

(

struct dlm_lock_resource *

res

)

Definition at line 3333 of file dlmmaster.c.

void __dlm_unlink_mle	(	struct dlm_ctxt *	dlm,
		struct dlm_master_list_entry *	mle
	)

Definition at line 319 of file dlmmaster.c.

int dlm_assert_master_handler	(	struct o2net_msg *	msg,
		u32	len,
		void *	data,
		void **	ret_data
	)

Definition at line 1734 of file dlmmaster.c.

void dlm_assert_master_post_handler	(	int	status,
		void *	data,
		void *	ret_data
	)

Definition at line 2004 of file dlmmaster.c.

void dlm_clean_master_list	(	struct dlm_ctxt *	dlm,
		u8	dead_node
	)

Definition at line 3181 of file dlmmaster.c.

int dlm_deref_lockres_handler	(	struct o2net_msg *	msg,
		u32	len,
		void *	data,
		void **	ret_data
	)

Definition at line 2214 of file dlmmaster.c.

void dlm_destroy_master_caches

(

void

)

Definition at line 476 of file dlmmaster.c.

void dlm_destroy_mle_cache

(

void

)

Definition at line 418 of file dlmmaster.c.

int dlm_dispatch_assert_master	(	struct dlm_ctxt *	dlm,
		struct dlm_lock_resource *	res,
		int	ignore_higher,
		u8	request_from,
		u32	flags
	)

Definition at line 2018 of file dlmmaster.c.

int dlm_drop_lockres_ref	(	struct dlm_ctxt *	dlm,
		struct dlm_lock_resource *	res
	)

Definition at line 2183 of file dlmmaster.c.

int dlm_empty_lockres	(	struct dlm_ctxt *	dlm,
		struct dlm_lock_resource *	res
	)

Definition at line 2625 of file dlmmaster.c.

int dlm_finish_migration	(	struct dlm_ctxt *	dlm,
		struct dlm_lock_resource *	res,
		u8	old_master
	)

Definition at line 3259 of file dlmmaster.c.

void dlm_force_free_mles

(

struct dlm_ctxt *

dlm

)

Definition at line 3376 of file dlmmaster.c.

struct dlm_lock_resource* dlm_get_lock_resource ( struct dlm_ctxt *  dlm, const char *  lockid, int  namelen, int  flags  )

read

Definition at line 701 of file dlmmaster.c.

void dlm_hb_event_notify_attached	(	struct dlm_ctxt *	dlm,
		int	idx,
		int	node_up
	)

Definition at line 364 of file dlmmaster.c.

int dlm_init_master_caches

(

void

)

Definition at line 456 of file dlmmaster.c.

int dlm_init_mle_cache

(

void

)

Definition at line 407 of file dlmmaster.c.

int dlm_is_host_down

(

int

errno

)

Definition at line 132 of file dlmmaster.c.

int dlm_lock_basts_flushed	(	struct dlm_ctxt *	dlm,
		struct dlm_lock *	lock
	)

Definition at line 2654 of file dlmmaster.c.

void dlm_lockres_clear_refmap_bit	(	struct dlm_ctxt *	dlm,
		struct dlm_lock_resource *	res,
		int	bit
	)

Definition at line 645 of file dlmmaster.c.

void dlm_lockres_drop_inflight_ref	(	struct dlm_ctxt *	dlm,
		struct dlm_lock_resource *	res
	)

Definition at line 669 of file dlmmaster.c.

void dlm_lockres_grab_inflight_ref	(	struct dlm_ctxt *	dlm,
		struct dlm_lock_resource *	res
	)

Definition at line 657 of file dlmmaster.c.

void dlm_lockres_put

(

struct dlm_lock_resource *

res

)

Definition at line 549 of file dlmmaster.c.

void dlm_lockres_release_ast	(	struct dlm_ctxt *	dlm,
		struct dlm_lock_resource *	res
	)

Definition at line 3357 of file dlmmaster.c.

void dlm_lockres_set_refmap_bit	(	struct dlm_ctxt *	dlm,
		struct dlm_lock_resource *	res,
		int	bit
	)

Definition at line 634 of file dlmmaster.c.

int dlm_master_request_handler	(	struct o2net_msg *	msg,
		u32	len,
		void *	data,
		void **	ret_data
	)

Definition at line 1386 of file dlmmaster.c.

int dlm_migrate_request_handler	(	struct o2net_msg *	msg,
		u32	len,
		void *	data,
		void **	ret_data
	)

Definition at line 2961 of file dlmmaster.c.

struct dlm_lock_resource* dlm_new_lockres ( struct dlm_ctxt *  dlm, const char *  name, unsigned int  namelen  )

read

Definition at line 608 of file dlmmaster.c.