extent_map.h File Reference

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Data Structures
struct	ocfs2_extent_map_item
struct	ocfs2_extent_map

Macros
#define	OCFS2_MAX_EXTENT_MAP_ITEMS   3

Functions
void	ocfs2_extent_map_init (struct inode *inode)
void	ocfs2_extent_map_trunc (struct inode *inode, unsigned int cluster)
void	ocfs2_extent_map_insert_rec (struct inode *inode, struct ocfs2_extent_rec *rec)
int	ocfs2_get_clusters (struct inode *inode, u32 v_cluster, u32 *p_cluster, u32 *num_clusters, unsigned int *extent_flags)
int	ocfs2_extent_map_get_blocks (struct inode *inode, u64 v_blkno, u64 *p_blkno, u64 *ret_count, unsigned int *extent_flags)
int	ocfs2_fiemap (struct inode *inode, struct fiemap_extent_info *fieinfo, u64 map_start, u64 map_len)
int	ocfs2_seek_data_hole_offset (struct file *file, loff_t *offset, int origin)
int	ocfs2_xattr_get_clusters (struct inode *inode, u32 v_cluster, u32 *p_cluster, u32 *num_clusters, struct ocfs2_extent_list *el, unsigned int *extent_flags)
int	ocfs2_read_virt_blocks (struct inode *inode, u64 v_block, int nr, struct buffer_head *bhs[], int flags, int(*validate)(struct super_block *sb, struct buffer_head *bh))
int	ocfs2_figure_hole_clusters (struct ocfs2_caching_info *ci, struct ocfs2_extent_list *el, struct buffer_head *eb_bh, u32 v_cluster, u32 *num_clusters)

Macro Definition Documentation

#define OCFS2_MAX_EXTENT_MAP_ITEMS   3

Definition at line 37 of file extent_map.h.

Function Documentation

int ocfs2_extent_map_get_blocks	(	struct inode *	inode,
		u64	v_blkno,
		u64 *	p_blkno,
		u64 *	ret_count,
		unsigned int *	extent_flags
	)

Definition at line 672 of file extent_map.c.

void ocfs2_extent_map_init

(

struct inode *

inode

)

Definition at line 54 of file extent_map.c.

void ocfs2_extent_map_insert_rec	(	struct inode *	inode,
		struct ocfs2_extent_rec *	rec
	)

Definition at line 227 of file extent_map.c.

void ocfs2_extent_map_trunc	(	struct inode *	inode,
		unsigned int	cluster
	)

Definition at line 114 of file extent_map.c.

int ocfs2_fiemap	(	struct inode *	inode,
		struct fiemap_extent_info *	fieinfo,
		u64	map_start,
		u64	map_len
	)

Definition at line 750 of file extent_map.c.

int ocfs2_figure_hole_clusters	(	struct ocfs2_caching_info *	ci,
		struct ocfs2_extent_list *	el,
		struct buffer_head *	eb_bh,
		u32	v_cluster,
		u32 *	num_clusters
	)

Definition at line 358 of file extent_map.c.

int ocfs2_get_clusters	(	struct inode *	inode,
		u32	v_cluster,
		u32 *	p_cluster,
		u32 *	num_clusters,
		unsigned int *	extent_flags
	)

Definition at line 609 of file extent_map.c.

int ocfs2_read_virt_blocks	(	struct inode *	inode,
		u64	v_block,
		int	nr,
		struct buffer_head *	bhs[],
		int	flags,
		int(*)(struct super_block *sb, struct buffer_head *bh)	validate
	)

Definition at line 929 of file extent_map.c.

int ocfs2_seek_data_hole_offset	(	struct file *	file,
		loff_t *	offset,
		int	origin
	)

Definition at line 835 of file extent_map.c.

int ocfs2_xattr_get_clusters	(	struct inode *	inode,
		u32	v_cluster,
		u32 *	p_cluster,
		u32 *	num_clusters,
		struct ocfs2_extent_list *	el,
		unsigned int *	extent_flags
	)

Definition at line 544 of file extent_map.c.