backref.c File Reference

#include <linux/vmalloc.h>
#include "ctree.h"
#include "disk-io.h"
#include "backref.h"
#include "ulist.h"
#include "transaction.h"
#include "delayed-ref.h"
#include "locking.h"

Go to the source code of this file.

Data Structures
struct	extent_inode_elem
struct	__prelim_ref

Typedefs
typedef int(	iterate_irefs_t )(u64 parent, u32 name_len, unsigned long name_off, struct extent_buffer *eb, void *ctx)

Functions
int	btrfs_find_all_roots (struct btrfs_trans_handle *trans, struct btrfs_fs_info *fs_info, u64 bytenr, u64 time_seq, struct ulist **roots)
int	inode_item_info (u64 inum, u64 ioff, struct btrfs_root *fs_root, struct btrfs_path *path)
int	btrfs_find_one_extref (struct btrfs_root *root, u64 inode_objectid, u64 start_off, struct btrfs_path *path, struct btrfs_inode_extref **ret_extref, u64 *found_off)
char *	btrfs_ref_to_path (struct btrfs_root *fs_root, struct btrfs_path *path, u32 name_len, unsigned long name_off, struct extent_buffer *eb_in, u64 parent, char *dest, u32 size)
char *	btrfs_iref_to_path (struct btrfs_root *fs_root, struct btrfs_path *path, struct btrfs_inode_ref *iref, struct extent_buffer *eb_in, u64 parent, char *dest, u32 size)
int	extent_from_logical (struct btrfs_fs_info *fs_info, u64 logical, struct btrfs_path *path, struct btrfs_key *found_key, u64 *flags_ret)
int	tree_backref_for_extent (unsigned long *ptr, struct extent_buffer *eb, struct btrfs_extent_item *ei, u32 item_size, u64 *out_root, u8 *out_level)
int	iterate_extent_inodes (struct btrfs_fs_info *fs_info, u64 extent_item_objectid, u64 extent_item_pos, int search_commit_root, iterate_extent_inodes_t *iterate, void *ctx)
int	iterate_inodes_from_logical (u64 logical, struct btrfs_fs_info *fs_info, struct btrfs_path *path, iterate_extent_inodes_t *iterate, void *ctx)
int	paths_from_inode (u64 inum, struct inode_fs_paths *ipath)
struct btrfs_data_container *	init_data_container (u32 total_bytes)
struct inode_fs_paths *	init_ipath (s32 total_bytes, struct btrfs_root *fs_root, struct btrfs_path *path)
void	free_ipath (struct inode_fs_paths *ipath)

Typedef Documentation

typedef int( iterate_irefs_t)(u64 parent, u32 name_len, unsigned long name_off, struct extent_buffer *eb, void *ctx)

Definition at line 1545 of file backref.c.

Function Documentation

int btrfs_find_all_roots	(	struct btrfs_trans_handle *	trans,
		struct btrfs_fs_info *	fs_info,
		u64	bytenr,
		u64	time_seq,
		struct ulist **	roots
	)

Definition at line 1022 of file backref.c.

int btrfs_find_one_extref	(	struct btrfs_root *	root,
		u64	inode_objectid,
		u64	start_off,
		struct btrfs_path *	path,
		struct btrfs_inode_extref **	ret_extref,
		u64 *	found_off
	)

Definition at line 1110 of file backref.c.

char* btrfs_iref_to_path	(	struct btrfs_root *	fs_root,
		struct btrfs_path *	path,
		struct btrfs_inode_ref *	iref,
		struct extent_buffer *	eb_in,
		u64	parent,
		char *	dest,
		u32	size
	)

Definition at line 1260 of file backref.c.

char* btrfs_ref_to_path	(	struct btrfs_root *	fs_root,
		struct btrfs_path *	path,
		u32	name_len,
		unsigned long	name_off,
		struct extent_buffer *	eb_in,
		u64	parent,
		char *	dest,
		u32	size
	)

Definition at line 1178 of file backref.c.

int extent_from_logical	(	struct btrfs_fs_info *	fs_info,
		u64	logical,
		struct btrfs_path *	path,
		struct btrfs_key *	found_key,
		u64 *	flags_ret
	)

Definition at line 1277 of file backref.c.

void free_ipath

(

struct inode_fs_paths *

ipath

)

Definition at line 1802 of file backref.c.

struct btrfs_data_container* init_data_container ( u32  total_bytes )

read

Definition at line 1749 of file backref.c.

struct inode_fs_paths* init_ipath ( s32  total_bytes, struct btrfs_root *  fs_root, struct btrfs_path *  path  )

read

Definition at line 1779 of file backref.c.

int inode_item_info	(	u64	inum,
		u64	ioff,
		struct btrfs_root *	fs_root,
		struct btrfs_path *	path
	)

Definition at line 1094 of file backref.c.

int iterate_extent_inodes	(	struct btrfs_fs_info *	fs_info,
		u64	extent_item_objectid,
		u64	extent_item_pos,
		int	search_commit_root,
		iterate_extent_inodes_t *	iterate,
		void *	ctx
	)

Definition at line 1453 of file backref.c.

int iterate_inodes_from_logical	(	u64	logical,
		struct btrfs_fs_info *	fs_info,
		struct btrfs_path *	path,
		iterate_extent_inodes_t *	iterate,
		void *	ctx
	)

Definition at line 1520 of file backref.c.

int paths_from_inode	(	u64	inum,
		struct inode_fs_paths *	ipath
	)

Definition at line 1743 of file backref.c.

int tree_backref_for_extent	(	unsigned long *	ptr,
		struct extent_buffer *	eb,
		struct btrfs_extent_item *	ei,
		u32	item_size,
		u64 *	out_root,
		u8 *	out_level
	)

Definition at line 1389 of file backref.c.