aops.h File Reference

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Macros
#define	ocfs2_iocb_is_rw_locked(iocb)   test_bit(0, (unsigned long *)&iocb->private)
#define	ocfs2_iocb_clear_rw_locked(iocb)   clear_bit(OCFS2_IOCB_RW_LOCK, (unsigned long *)&iocb->private)
#define	ocfs2_iocb_rw_locked_level(iocb)   test_bit(OCFS2_IOCB_RW_LOCK_LEVEL, (unsigned long *)&iocb->private)
#define	ocfs2_iocb_set_sem_locked(iocb)   set_bit(OCFS2_IOCB_SEM, (unsigned long *)&iocb->private)
#define	ocfs2_iocb_clear_sem_locked(iocb)   clear_bit(OCFS2_IOCB_SEM, (unsigned long *)&iocb->private)
#define	ocfs2_iocb_is_sem_locked(iocb)   test_bit(OCFS2_IOCB_SEM, (unsigned long *)&iocb->private)
#define	ocfs2_iocb_set_unaligned_aio(iocb)   set_bit(OCFS2_IOCB_UNALIGNED_IO, (unsigned long *)&iocb->private)
#define	ocfs2_iocb_clear_unaligned_aio(iocb)   clear_bit(OCFS2_IOCB_UNALIGNED_IO, (unsigned long *)&iocb->private)
#define	ocfs2_iocb_is_unaligned_aio(iocb)   test_bit(OCFS2_IOCB_UNALIGNED_IO, (unsigned long *)&iocb->private)
#define	OCFS2_IOEND_WQ_HASH_SZ   37
#define	ocfs2_ioend_wq(v)

Enumerations
enum	ocfs2_iocb_lock_bits {   OCFS2_IOCB_RW_LOCK = 0, OCFS2_IOCB_RW_LOCK_LEVEL, OCFS2_IOCB_SEM, OCFS2_IOCB_UNALIGNED_IO,   OCFS2_IOCB_NUM_LOCKS }

Functions
handle_t *	ocfs2_start_walk_page_trans (struct inode *inode, struct page *page, unsigned from, unsigned to)
int	ocfs2_map_page_blocks (struct page *page, u64 *p_blkno, struct inode *inode, unsigned int from, unsigned int to, int new)
void	ocfs2_unlock_and_free_pages (struct page **pages, int num_pages)
int	walk_page_buffers (handle_t *handle, struct buffer_head *head, unsigned from, unsigned to, int *partial, int(*fn)(handle_t *handle, struct buffer_head *bh))
int	ocfs2_write_end_nolock (struct address_space *mapping, loff_t pos, unsigned len, unsigned copied, struct page *page, void *fsdata)
int	ocfs2_write_begin_nolock (struct file *filp, struct address_space *mapping, loff_t pos, unsigned len, unsigned flags, struct page **pagep, void **fsdata, struct buffer_head *di_bh, struct page *mmap_page)
int	ocfs2_read_inline_data (struct inode *inode, struct page *page, struct buffer_head *di_bh)
int	ocfs2_size_fits_inline_data (struct buffer_head *di_bh, u64 new_size)
int	ocfs2_get_block (struct inode *inode, sector_t iblock, struct buffer_head *bh_result, int create)

Variables
wait_queue_head_t	ocfs2__ioend_wq [OCFS2_IOEND_WQ_HASH_SZ]

Macro Definition Documentation

#define ocfs2_iocb_clear_rw_locked

(

iocb

)

clear_bit(OCFS2_IOCB_RW_LOCK, (unsigned long *)&iocb->private)

Definition at line 85 of file aops.h.

#define ocfs2_iocb_clear_sem_locked

(

iocb

)

clear_bit(OCFS2_IOCB_SEM, (unsigned long *)&iocb->private)

Definition at line 91 of file aops.h.

#define ocfs2_iocb_clear_unaligned_aio

(

iocb

)

clear_bit(OCFS2_IOCB_UNALIGNED_IO, (unsigned long *)&iocb->private)

Definition at line 98 of file aops.h.

#define ocfs2_iocb_is_rw_locked

(

iocb

)

test_bit(0, (unsigned long *)&iocb->private)

Definition at line 61 of file aops.h.

#define ocfs2_iocb_is_sem_locked

(

iocb

)

test_bit(OCFS2_IOCB_SEM, (unsigned long *)&iocb->private)

Definition at line 93 of file aops.h.

#define ocfs2_iocb_is_unaligned_aio

(

iocb

)

test_bit(OCFS2_IOCB_UNALIGNED_IO, (unsigned long *)&iocb->private)

Definition at line 100 of file aops.h.

#define ocfs2_iocb_rw_locked_level

(

iocb

)

test_bit(OCFS2_IOCB_RW_LOCK_LEVEL, (unsigned long *)&iocb->private)

Definition at line 87 of file aops.h.

#define ocfs2_iocb_set_sem_locked

(

iocb

)

set_bit(OCFS2_IOCB_SEM, (unsigned long *)&iocb->private)

Definition at line 89 of file aops.h.

#define ocfs2_iocb_set_unaligned_aio

(

iocb

)

set_bit(OCFS2_IOCB_UNALIGNED_IO, (unsigned long *)&iocb->private)

Definition at line 96 of file aops.h.

#define ocfs2_ioend_wq

(

v

)

Value:

(&ocfs2__ioend_wq[((unsigned long)(v)) %\
                        OCFS2_IOEND_WQ_HASH_SZ])

Definition at line 104 of file aops.h.

#define OCFS2_IOEND_WQ_HASH_SZ   37

Definition at line 103 of file aops.h.

Enumeration Type Documentation

enum ocfs2_iocb_lock_bits

Enumerator:

OCFS2_IOCB_RW_LOCK
OCFS2_IOCB_RW_LOCK_LEVEL
OCFS2_IOCB_SEM
OCFS2_IOCB_UNALIGNED_IO
OCFS2_IOCB_NUM_LOCKS

Definition at line 77 of file aops.h.

Function Documentation

int ocfs2_get_block	(	struct inode *	inode,
		sector_t	iblock,
		struct buffer_head *	bh_result,
		int	create
	)

Definition at line 130 of file aops.c.

int ocfs2_map_page_blocks	(	struct page *	page,
		u64 *	p_blkno,
		struct inode *	inode,
		unsigned int	from,
		unsigned int	to,
		int	new
	)

Definition at line 734 of file aops.c.

int ocfs2_read_inline_data	(	struct inode *	inode,
		struct page *	page,
		struct buffer_head *	di_bh
	)

Definition at line 215 of file aops.c.

int ocfs2_size_fits_inline_data	(	struct buffer_head *	di_bh,
		u64	new_size
	)

Definition at line 1552 of file aops.c.

handle_t* ocfs2_start_walk_page_trans	(	struct inode *	inode,
		struct page *	page,
		unsigned	from,
		unsigned	to
	)

void ocfs2_unlock_and_free_pages	(	struct page **	pages,
		int	num_pages
	)

Definition at line 907 of file aops.c.

int ocfs2_write_begin_nolock	(	struct file *	filp,
		struct address_space *	mapping,
		loff_t	pos,
		unsigned	len,
		unsigned	flags,
		struct page **	pagep,
		void **	fsdata,
		struct buffer_head *	di_bh,
		struct page *	mmap_page
	)

Definition at line 1704 of file aops.c.

int ocfs2_write_end_nolock	(	struct address_space *	mapping,
		loff_t	pos,
		unsigned	len,
		unsigned	copied,
		struct page *	page,
		void *	fsdata
	)

Definition at line 1995 of file aops.c.

int walk_page_buffers	(	handle_t *	handle,
		struct buffer_head *	head,
		unsigned	from,
		unsigned	to,
		int *	partial,
		int(*)(handle_t *handle, struct buffer_head *bh)	fn
	)

Definition at line 418 of file aops.c.

Variable Documentation

wait_queue_head_t ocfs2__ioend_wq[OCFS2_IOEND_WQ_HASH_SZ]

Definition at line 1615 of file super.c.