dlmglue.h File Reference

#include "dcache.h"

Go to the source code of this file.

Data Structures
struct	ocfs2_meta_lvb
struct	ocfs2_qinfo_lvb
struct	ocfs2_orphan_scan_lvb

Macros
#define	OCFS2_LVB_VERSION   5
#define	OCFS2_QINFO_LVB_VERSION   1
#define	OCFS2_ORPHAN_LVB_VERSION   1
#define	OCFS2_META_LOCK_RECOVERY   (0x01)
#define	OCFS2_META_LOCK_NOQUEUE   (0x02)
#define	OCFS2_LOCK_NONBLOCK   (0x04)
#define	ocfs2_inode_lock_full(i, r, e, f)   ocfs2_inode_lock_full_nested(i, r, e, f, OI_LS_NORMAL)
#define	ocfs2_inode_lock_nested(i, b, e, s)   ocfs2_inode_lock_full_nested(i, b, e, 0, s)
#define	ocfs2_inode_lock(i, b, e)   ocfs2_inode_lock_full_nested(i, b, e, 0, OI_LS_NORMAL)

Enumerations
enum	{   OI_LS_NORMAL = 0, OI_LS_PARENT, OI_LS_RENAME1, OI_LS_RENAME2,   OI_LS_REFLINK_TARGET }

Functions
int	ocfs2_dlm_init (struct ocfs2_super *osb)
void	ocfs2_dlm_shutdown (struct ocfs2_super *osb, int hangup_pending)
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)
int	ocfs2_create_new_inode_locks (struct inode *inode)
int	ocfs2_drop_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_inode_lock_atime (struct inode *inode, struct vfsmount *vfsmnt, int *level)
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)
void	ocfs2_inode_unlock (struct inode *inode, int ex)
int	ocfs2_super_lock (struct ocfs2_super *osb, int ex)
void	ocfs2_super_unlock (struct ocfs2_super *osb, 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_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)
int	ocfs2_file_lock (struct file *file, int ex, int trylock)
void	ocfs2_file_unlock (struct file *file)
int	ocfs2_qinfo_lock (struct ocfs2_mem_dqinfo *oinfo, int ex)
void	ocfs2_qinfo_unlock (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_mark_lockres_freeing (struct ocfs2_lock_res *lockres)
void	ocfs2_simple_drop_lockres (struct ocfs2_super *osb, struct ocfs2_lock_res *lockres)
void	ocfs2_wake_downconvert_thread (struct ocfs2_super *osb)
struct ocfs2_dlm_debug *	ocfs2_new_dlm_debug (void)
void	ocfs2_put_dlm_debug (struct ocfs2_dlm_debug *dlm_debug)
void	ocfs2_set_locking_protocol (void)

Macro Definition Documentation

#define ocfs2_inode_lock	(		i,
			b,
			e
	)		ocfs2_inode_lock_full_nested(i, b, e, 0, OI_LS_NORMAL)

Definition at line 135 of file dlmglue.h.

#define ocfs2_inode_lock_full	(		i,
			r,
			e,
			f
	)		ocfs2_inode_lock_full_nested(i, r, e, f, OI_LS_NORMAL)

Definition at line 129 of file dlmglue.h.

#define ocfs2_inode_lock_nested	(		i,
			b,
			e,
			s
	)		ocfs2_inode_lock_full_nested(i, b, e, 0, s)

Definition at line 131 of file dlmglue.h.

#define OCFS2_LOCK_NONBLOCK   (0x04)

Definition at line 79 of file dlmglue.h.

#define OCFS2_LVB_VERSION   5

Definition at line 32 of file dlmglue.h.

#define OCFS2_META_LOCK_NOQUEUE   (0x02)

Definition at line 77 of file dlmglue.h.

#define OCFS2_META_LOCK_RECOVERY   (0x01)

Definition at line 75 of file dlmglue.h.

#define OCFS2_ORPHAN_LVB_VERSION   1

Definition at line 65 of file dlmglue.h.

#define OCFS2_QINFO_LVB_VERSION   1

Definition at line 52 of file dlmglue.h.

Enumeration Type Documentation

anonymous enum

Enumerator:

OI_LS_NORMAL
OI_LS_PARENT
OI_LS_RENAME1
OI_LS_RENAME2
OI_LS_REFLINK_TARGET

Definition at line 82 of file dlmglue.h.

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.