ext4_jbd2.h File Reference

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Macros
#define	ext4_journal_get_write_access(handle, icb, bh)    __ext4_journal_get_write_access("", __LINE__, (icb), (handle), (bh))
#define	ext4_forget(handle, icb, is_metadata, inode, bh, block_nr)
#define	ext4_journal_get_create_access(handle, icb, bh)    __ext4_journal_get_create_access("", __LINE__, (icb), (handle), (bh))
#define	ext4_handle_dirty_metadata(handle, icb, inode, bh)
#define	ext4_journal_start_sb(icb, sb, type, nblocks)    __ext4_journal_start_sb((icb), (sb), __LINE__, (type), (nblocks), 0)
#define	ext4_journal_start(icb, inode, type, nblocks)    __ext4_journal_start((icb), (inode), __LINE__, (type), (nblocks), 0)
#define	ext4_journal_stop(icb, handle)    __ext4_journal_stop("", __LINE__, (icb), (handle))

Functions
void	ext4_journal_abort_handle (const char *caller, unsigned int line, const char *err_fn, struct buffer_head *bh, handle_t *handle, int err)
int	__ext4_handle_dirty_super (const char *where, unsigned int line, handle_t *handle, struct super_block *sb)
int	__ext4_journal_get_write_access (const char *where, unsigned int line, void *icb, handle_t *handle, struct buffer_head *bh)
int	__ext4_forget (const char *where, unsigned int line, void *icb, handle_t *handle, int is_metadata, struct inode *inode, struct buffer_head *bh, ext4_fsblk_t blocknr)
int	__ext4_journal_get_create_access (const char *where, unsigned int line, void *icb, handle_t *handle, struct buffer_head *bh)
int	__ext4_handle_dirty_metadata (const char *where, unsigned int line, void *icb, handle_t *handle, struct inode *inode, struct buffer_head *bh)
handle_t *	__ext4_journal_start_sb (void *icb, struct super_block *sb, unsigned int line, int type, int blocks, int rsv_blocks)
int	__ext4_journal_stop (const char *where, unsigned int line, void *icb, handle_t *handle)
static handle_t *	__ext4_journal_start (void *icb, struct inode *inode, unsigned int line, int type, int blocks, int rsv_blocks)
static int	ext4_journal_extend (void *icb, handle_t *handle, int nblocks)

Macro Definition Documentation

ext4_forget

#define ext4_forget	(		handle,
			icb,
			is_metadata,
			inode,
			bh,
			block_nr
	)

Value:

    __ext4_forget("", __LINE__, (icb), (handle), (is_metadata), (inode), \
              (bh), (block_nr))

Definition at line 30 of file ext4_jbd2.h.

ext4_handle_dirty_metadata

#define ext4_handle_dirty_metadata	(		handle,
			icb,
			inode,
			bh
	)

Value:

    __ext4_handle_dirty_metadata("", __LINE__, (icb), (handle), (inode), \
                     (bh))

Definition at line 35 of file ext4_jbd2.h.

ext4_journal_get_create_access

#define ext4_journal_get_create_access	(		handle,
			icb,
			bh
	)		__ext4_journal_get_create_access("", __LINE__, (icb), (handle), (bh))

Definition at line 33 of file ext4_jbd2.h.

ext4_journal_get_write_access

#define ext4_journal_get_write_access	(		handle,
			icb,
			bh
	)		__ext4_journal_get_write_access("", __LINE__, (icb), (handle), (bh))

Definition at line 28 of file ext4_jbd2.h.

ext4_journal_start

#define ext4_journal_start	(		icb,
			inode,
			type,
			nblocks
	)		__ext4_journal_start((icb), (inode), __LINE__, (type), (nblocks), 0)

Definition at line 46 of file ext4_jbd2.h.

ext4_journal_start_sb

#define ext4_journal_start_sb	(		icb,
			sb,
			type,
			nblocks
	)		__ext4_journal_start_sb((icb), (sb), __LINE__, (type), (nblocks), 0)

Definition at line 43 of file ext4_jbd2.h.

ext4_journal_stop

#define ext4_journal_stop	(		icb,
			handle
	)		__ext4_journal_stop("", __LINE__, (icb), (handle))

Definition at line 57 of file ext4_jbd2.h.

Function Documentation

__ext4_forget()

int __ext4_forget	(	const char *	where,
		unsigned int	line,
		void *	icb,
		handle_t *	handle,
		int	is_metadata,
		struct inode *	inode,
		struct buffer_head *	bh,
		ext4_fsblk_t	blocknr
	)

Definition at line 46 of file ext4_jbd2.c.

{
    int err = 0;
    return err;
}

__ext4_handle_dirty_metadata()

int __ext4_handle_dirty_metadata	(	const char *	where,
		unsigned int	line,
		void *	icb,
		handle_t *	handle,
		struct inode *	inode,
		struct buffer_head *	bh
	)

Definition at line 61 of file ext4_jbd2.c.

{
    int err = 0;
 
    extents_mark_buffer_dirty(bh);
    return err;
}

Referenced by __ext4_ext_dirty().

__ext4_handle_dirty_super()

int __ext4_handle_dirty_super	(	const char *	where,
		unsigned int	line,
		handle_t *	handle,
		struct super_block *	sb
	)

Definition at line 71 of file ext4_jbd2.c.

{
    return 0;
}

__ext4_journal_get_create_access()

int __ext4_journal_get_create_access	(	const char *	where,
		unsigned int	line,
		void *	icb,
		handle_t *	handle,
		struct buffer_head *	bh
	)

Definition at line 54 of file ext4_jbd2.c.

{
    int err = 0;
    return err;
}

__ext4_journal_get_write_access()

int __ext4_journal_get_write_access	(	const char *	where,
		unsigned int	line,
		void *	icb,
		handle_t *	handle,
		struct buffer_head *	bh
	)

Definition at line 27 of file ext4_jbd2.c.

{
    int err = 0;
    return err;
}

__ext4_journal_start()

static handle_t * __ext4_journal_start ( void *  icb, struct inode *  inode, unsigned int  line, int  type, int  blocks, int  rsv_blocks  )

inlinestatic

Definition at line 49 of file ext4_jbd2.h.

{
    return __ext4_journal_start_sb(icb, inode->i_sb, line, type, blocks,
                       rsv_blocks);
}

__ext4_journal_start_sb()

handle_t * __ext4_journal_start_sb	(	void *	icb,
		struct super_block *	sb,
		unsigned int	line,
		int	type,
		int	blocks,
		int	rsv_blocks
	)

Definition at line 10 of file ext4_jbd2.c.

{
    return &no_journal;
}

Referenced by __ext4_journal_start().

__ext4_journal_stop()

int __ext4_journal_stop	(	const char *	where,
		unsigned int	line,
		void *	icb,
		handle_t *	handle
	)

Definition at line 16 of file ext4_jbd2.c.

{
    return 0;
}

ext4_journal_abort_handle()

void ext4_journal_abort_handle	(	const char *	caller,
		unsigned int	line,
		const char *	err_fn,
		struct buffer_head *	bh,
		handle_t *	handle,
		int	err
	)

Definition at line 21 of file ext4_jbd2.c.

{
}

ext4_journal_extend()

static int ext4_journal_extend ( void *  icb, handle_t *  handle, int  nblocks  )

inlinestatic

Definition at line 60 of file ext4_jbd2.h.

{
    return 0;
}

Referenced by ext4_ext_try_to_merge_up().