#include <linux/types.h>
#include <linux/slab.h>
#include <linux/highmem.h>
#include <linux/mm.h>
#include <linux/kthread.h>
#include <linux/pagemap.h>
#include <linux/debugfs.h>
#include <linux/seq_file.h>
#include <linux/time.h>
#include <linux/quotaops.h>
#include <cluster/masklog.h>
#include "ocfs2.h"
#include "ocfs2_lockingver.h"
#include "alloc.h"
#include "dcache.h"
#include "dlmglue.h"
#include "extent_map.h"
#include "file.h"
#include "heartbeat.h"
#include "inode.h"
#include "journal.h"
#include "stackglue.h"
#include "slot_map.h"
#include "super.h"
#include "uptodate.h"
#include "quota.h"
#include "refcounttree.h"
#include "buffer_head_io.h"

Data Structures
struct	ocfs2_mask_waiter

struct	ocfs2_unblock_ctl

struct	ocfs2_lock_res_ops

struct	ocfs2_dlm_seq_priv

Macros
#define	MLOG_MASK_PREFIX ML_DLM_GLUE

#define	mlog_meta_lvb(__level, __lockres) ocfs2_dump_meta_lvb_info(__level, __PRETTY_FUNCTION__, __LINE__, __lockres)

#define	LOCK_TYPE_REQUIRES_REFRESH 0x1

#define	LOCK_TYPE_USES_LVB 0x2

#define	ocfs2_log_dlm_error(_func, _err, _lockres)

#define	OCFS2_SEC_BITS 34

#define	OCFS2_SEC_SHIFT (64 - 34)

#define	OCFS2_NSEC_MASK ((1ULL << OCFS2_SEC_SHIFT) - 1)

#define	OCFS2_DLM_DEBUG_STR_VERSION 3

#define	lock_num_prmode(_l) (0)

#define	lock_num_exmode(_l) (0)

#define	lock_num_prmode_failed(_l) (0)

#define	lock_num_exmode_failed(_l) (0)

#define	lock_total_prmode(_l) (0ULL)

#define	lock_total_exmode(_l) (0ULL)

#define	lock_max_prmode(_l) (0)

#define	lock_max_exmode(_l) (0)

#define	lock_refresh(_l) (0)

Enumerations
enum	ocfs2_unblock_action { UNBLOCK_CONTINUE = 0, UNBLOCK_CONTINUE_POST = 1, UNBLOCK_STOP_POST = 2 }

Functions
void	ocfs2_lock_res_init_once (struct ocfs2_lock_res *res)

void	ocfs2_inode_lock_res_init (struct ocfs2_lock_res res, enum ocfs2_lock_type type, unsigned int generation, struct inode inode)

void	ocfs2_dentry_lock_res_init (struct ocfs2_dentry_lock dl, u64 parent, struct inode inode)

void	ocfs2_file_lock_res_init (struct ocfs2_lock_res lockres, struct ocfs2_file_private fp)

void	ocfs2_qinfo_lock_res_init (struct ocfs2_lock_res lockres, struct ocfs2_mem_dqinfo info)

void	ocfs2_refcount_lock_res_init (struct ocfs2_lock_res lockres, struct ocfs2_super osb, u64 ref_blkno, unsigned int generation)

void	ocfs2_lock_res_free (struct ocfs2_lock_res *res)

void	ocfs2_set_locking_protocol (void)

int	ocfs2_create_new_inode_locks (struct inode *inode)

int	ocfs2_rw_lock (struct inode *inode, int write)

void	ocfs2_rw_unlock (struct inode *inode, int write)

int	ocfs2_open_lock (struct inode *inode)

int	ocfs2_try_open_lock (struct inode *inode, int write)

void	ocfs2_open_unlock (struct inode *inode)

int	ocfs2_file_lock (struct file *file, int ex, int trylock)

void	ocfs2_file_unlock (struct file *file)

int	ocfs2_inode_lock_full_nested (struct inode inode, struct buffer_head *ret_bh, int ex, int arg_flags, int subclass)

int	ocfs2_inode_lock_with_page (struct inode inode, struct buffer_head ret_bh, int ex, struct page page)

int	ocfs2_inode_lock_atime (struct inode inode, struct vfsmount vfsmnt, int *level)

void	ocfs2_inode_unlock (struct inode *inode, int ex)

int	ocfs2_orphan_scan_lock (struct ocfs2_super osb, u32 seqno)

void	ocfs2_orphan_scan_unlock (struct ocfs2_super *osb, u32 seqno)

int	ocfs2_super_lock (struct ocfs2_super *osb, int ex)

void	ocfs2_super_unlock (struct ocfs2_super *osb, int ex)

int	ocfs2_rename_lock (struct ocfs2_super *osb)

void	ocfs2_rename_unlock (struct ocfs2_super *osb)

int	ocfs2_nfs_sync_lock (struct ocfs2_super *osb, int ex)

void	ocfs2_nfs_sync_unlock (struct ocfs2_super *osb, int ex)

int	ocfs2_dentry_lock (struct dentry *dentry, int ex)

void	ocfs2_dentry_unlock (struct dentry *dentry, int ex)

void	ocfs2_put_dlm_debug (struct ocfs2_dlm_debug *dlm_debug)

struct ocfs2_dlm_debug *	ocfs2_new_dlm_debug (void)

int	ocfs2_dlm_init (struct ocfs2_super *osb)

void	ocfs2_dlm_shutdown (struct ocfs2_super *osb, int hangup_pending)

void	ocfs2_mark_lockres_freeing (struct ocfs2_lock_res *lockres)

void	ocfs2_simple_drop_lockres (struct ocfs2_super osb, struct ocfs2_lock_res lockres)

int	ocfs2_drop_inode_locks (struct inode *inode)

void	ocfs2_qinfo_unlock (struct ocfs2_mem_dqinfo *oinfo, int ex)

int	ocfs2_qinfo_lock (struct ocfs2_mem_dqinfo *oinfo, int ex)

int	ocfs2_refcount_lock (struct ocfs2_refcount_tree *ref_tree, int ex)

void	ocfs2_refcount_unlock (struct ocfs2_refcount_tree *ref_tree, int ex)

void	ocfs2_wake_downconvert_thread (struct ocfs2_super *osb)

Variables
struct lock_class_key	lockdep_keys [OCFS2_NUM_LOCK_TYPES]

Macro Definition Documentation

#define lock_max_exmode ( _l ) (0)

#define lock_max_prmode ( _l ) (0)

#define lock_num_exmode ( _l ) (0)

#define lock_num_exmode_failed ( _l ) (0)

#define lock_num_prmode ( _l ) (0)

#define lock_num_prmode_failed ( _l ) (0)

#define lock_refresh ( _l ) (0)

#define lock_total_exmode ( _l ) (0ULL)

#define lock_total_prmode ( _l ) (0ULL)

#define LOCK_TYPE_REQUIRES_REFRESH 0x1

Definition at line 227 of file dlmglue.c.

#define LOCK_TYPE_USES_LVB 0x2

Definition at line 233 of file dlmglue.c.

#define MLOG_MASK_PREFIX ML_DLM_GLUE

Definition at line 37 of file dlmglue.c.

#define mlog_meta_lvb	(	__level,
		__lockres
	)	ocfs2_dump_meta_lvb_info(__level, __PRETTY_FUNCTION__, __LINE__, __lockres)

Definition at line 119 of file dlmglue.c.

#define OCFS2_DLM_DEBUG_STR_VERSION 3

Definition at line 2790 of file dlmglue.c.

#define ocfs2_log_dlm_error	(	_func,
		_err,
		_lockres
	)

Value:

do {                    \
    if ((_lockres)->l_type != OCFS2_LOCK_TYPE_DENTRY)               \
        mlog(ML_ERROR, "DLM error %d while calling %s on resource %s\n",    \
             _err, _func, _lockres->l_name);                    \
	else										\
		mlog(ML_ERROR, "DLM error %d while calling %s on resource %.*s%08x\n",    \
             _err, _func, OCFS2_DENTRY_LOCK_INO_START - 1, (_lockres)->l_name,  \
             (unsigned int)ocfs2_get_dentry_lock_ino(_lockres));        \
} while (0)

Definition at line 364 of file dlmglue.c.

#define OCFS2_NSEC_MASK ((1ULL << OCFS2_SEC_SHIFT) - 1)

Definition at line 2009 of file dlmglue.c.

#define OCFS2_SEC_BITS 34

Definition at line 2007 of file dlmglue.c.

#define OCFS2_SEC_SHIFT (64 - 34)

Definition at line 2008 of file dlmglue.c.

Enumeration Type Documentation

enum ocfs2_unblock_action

Enumerator:

UNBLOCK_CONTINUE
UNBLOCK_CONTINUE_POST
UNBLOCK_STOP_POST

Definition at line 83 of file dlmglue.c.

Function Documentation

int ocfs2_create_new_inode_locks ( struct inode * inode )

Definition at line 1596 of file dlmglue.c.

int ocfs2_dentry_lock	(	struct dentry *	dentry,
		int	ex
	)

Definition at line 2628 of file dlmglue.c.

void ocfs2_dentry_lock_res_init	(	struct ocfs2_dentry_lock *	dl,
		u64	parent,
		struct inode *	inode
	)

Definition at line 602 of file dlmglue.c.

void ocfs2_dentry_unlock	(	struct dentry *	dentry,
		int	ex
	)

Definition at line 2653 of file dlmglue.c.

int ocfs2_dlm_init ( struct ocfs2_super * osb )

Definition at line 2969 of file dlmglue.c.

void ocfs2_dlm_shutdown	(	struct ocfs2_super *	osb,
		int	hangup_pending
	)

Definition at line 3033 of file dlmglue.c.

int ocfs2_drop_inode_locks ( struct inode * inode )

Definition at line 3192 of file dlmglue.c.

int ocfs2_file_lock	(	struct file *	file,
		int	ex,
		int	trylock
	)

Definition at line 1840 of file dlmglue.c.

void ocfs2_file_lock_res_init	(	struct ocfs2_lock_res *	lockres,
		struct ocfs2_file_private *	fp
	)

Definition at line 685 of file dlmglue.c.

void ocfs2_file_unlock ( struct file * file )

Definition at line 1936 of file dlmglue.c.

int ocfs2_inode_lock_atime	(	struct inode *	inode,
		struct vfsmount *	vfsmnt,
		int *	level
	)

Definition at line 2430 of file dlmglue.c.

int ocfs2_inode_lock_full_nested	(	struct inode *	inode,
		struct buffer_head **	ret_bh,
		int	ex,
		int	arg_flags,
		int	subclass
	)

Definition at line 2282 of file dlmglue.c.

void ocfs2_inode_lock_res_init	(	struct ocfs2_lock_res *	res,
		enum ocfs2_lock_type	type,
		unsigned int	generation,
		struct inode *	inode
	)

Definition at line 536 of file dlmglue.c.

int ocfs2_inode_lock_with_page	(	struct inode *	inode,
		struct buffer_head **	ret_bh,
		int	ex,
		struct page *	page
	)

Definition at line 2412 of file dlmglue.c.

void ocfs2_inode_unlock	(	struct inode *	inode,
		int	ex
	)

Definition at line 2466 of file dlmglue.c.

void ocfs2_lock_res_free ( struct ocfs2_lock_res * res )

Definition at line 722 of file dlmglue.c.

void ocfs2_lock_res_init_once ( struct ocfs2_lock_res * res )

Definition at line 526 of file dlmglue.c.

void ocfs2_mark_lockres_freeing ( struct ocfs2_lock_res * lockres )

Definition at line 3148 of file dlmglue.c.

struct ocfs2_dlm_debug* ocfs2_new_dlm_debug ( void )

read

Definition at line 2686 of file dlmglue.c.

int ocfs2_nfs_sync_lock	(	struct ocfs2_super *	osb,
		int	ex
	)

Definition at line 2600 of file dlmglue.c.

void ocfs2_nfs_sync_unlock	(	struct ocfs2_super *	osb,
		int	ex
	)

Definition at line 2619 of file dlmglue.c.

int ocfs2_open_lock ( struct inode * inode )

Definition at line 1684 of file dlmglue.c.

void ocfs2_open_unlock ( struct inode * inode )

Definition at line 1750 of file dlmglue.c.

int ocfs2_orphan_scan_lock	(	struct ocfs2_super *	osb,
		u32 *	seqno
	)

Definition at line 2482 of file dlmglue.c.

void ocfs2_orphan_scan_unlock	(	struct ocfs2_super *	osb,
		u32	seqno
	)

Definition at line 2509 of file dlmglue.c.

void ocfs2_put_dlm_debug ( struct ocfs2_dlm_debug * dlm_debug )

Definition at line 2675 of file dlmglue.c.

int ocfs2_qinfo_lock	(	struct ocfs2_mem_dqinfo *	oinfo,
		int	ex
	)

Definition at line 3823 of file dlmglue.c.

void ocfs2_qinfo_lock_res_init	(	struct ocfs2_lock_res *	lockres,
		struct ocfs2_mem_dqinfo *	info
	)

Definition at line 700 of file dlmglue.c.

void ocfs2_qinfo_unlock	(	struct ocfs2_mem_dqinfo *	oinfo,
		int	ex
	)

Definition at line 3768 of file dlmglue.c.

int ocfs2_refcount_lock	(	struct ocfs2_refcount_tree *	ref_tree,
		int	ex
	)

Definition at line 3855 of file dlmglue.c.

void ocfs2_refcount_lock_res_init	(	struct ocfs2_lock_res *	lockres,
		struct ocfs2_super *	osb,
		u64	ref_blkno,
		unsigned int	generation
	)

Definition at line 711 of file dlmglue.c.

void ocfs2_refcount_unlock	(	struct ocfs2_refcount_tree *	ref_tree,
		int	ex
	)

Definition at line 3876 of file dlmglue.c.

int ocfs2_rename_lock ( struct ocfs2_super * osb )

Definition at line 2574 of file dlmglue.c.

void ocfs2_rename_unlock ( struct ocfs2_super * osb )

Definition at line 2592 of file dlmglue.c.

int ocfs2_rw_lock	(	struct inode *	inode,
		int	write
	)

Definition at line 1640 of file dlmglue.c.

void ocfs2_rw_unlock	(	struct inode *	inode,
		int	write
	)

Definition at line 1667 of file dlmglue.c.

void ocfs2_set_locking_protocol ( void )

Definition at line 1189 of file dlmglue.c.

void ocfs2_simple_drop_lockres	(	struct ocfs2_super *	osb,
		struct ocfs2_lock_res *	lockres
	)

Definition at line 3173 of file dlmglue.c.

int ocfs2_super_lock	(	struct ocfs2_super *	osb,
		int	ex
	)

Definition at line 2523 of file dlmglue.c.

void ocfs2_super_unlock	(	struct ocfs2_super *	osb,
		int	ex
	)

Definition at line 2564 of file dlmglue.c.

int ocfs2_try_open_lock	(	struct inode *	inode,
		int	write
	)

Definition at line 1709 of file dlmglue.c.

void ocfs2_wake_downconvert_thread ( struct ocfs2_super * osb )

Definition at line 4039 of file dlmglue.c.

Variable Documentation

struct lock_class_key lockdep_keys[OCFS2_NUM_LOCK_TYPES]

Definition at line 97 of file dlmglue.c.

Data Structures

Macros

Enumerations

Functions

Variables

Macro Definition Documentation

Enumeration Type Documentation

Function Documentation

Variable Documentation