relocation.c File Reference

#include <linux/sched.h>
#include <linux/pagemap.h>
#include <linux/writeback.h>
#include <linux/blkdev.h>
#include <linux/rbtree.h>
#include <linux/slab.h>
#include "ctree.h"
#include "disk-io.h"
#include "transaction.h"
#include "volumes.h"
#include "locking.h"
#include "btrfs_inode.h"
#include "async-thread.h"
#include "free-space-cache.h"
#include "inode-map.h"

Go to the source code of this file.

Data Structures
struct	tree_entry
struct	backref_node
struct	backref_edge
struct	backref_cache
struct	mapping_node
struct	mapping_tree
struct	tree_block
struct	file_extent_cluster
struct	reloc_control

Macros
#define	LOWER   0
#define	UPPER   1
#define	MAX_EXTENTS   128
#define	MOVE_DATA_EXTENTS   0
#define	UPDATE_DATA_PTRS   1

Functions
void	backref_tree_panic (struct rb_node *rb_node, int errno, u64 bytenr)
int	btrfs_init_reloc_root (struct btrfs_trans_handle *trans, struct btrfs_root *root)
int	btrfs_update_reloc_root (struct btrfs_trans_handle *trans, struct btrfs_root *root)
int	btrfs_relocate_block_group (struct btrfs_root *extent_root, u64 group_start)
int	btrfs_recover_relocation (struct btrfs_root *root)
int	btrfs_reloc_clone_csums (struct inode *inode, u64 file_pos, u64 len)
void	btrfs_reloc_cow_block (struct btrfs_trans_handle *trans, struct btrfs_root *root, struct extent_buffer *buf, struct extent_buffer *cow)
void	btrfs_reloc_pre_snapshot (struct btrfs_trans_handle *trans, struct btrfs_pending_snapshot *pending, u64 *bytes_to_reserve)
int	btrfs_reloc_post_snapshot (struct btrfs_trans_handle *trans, struct btrfs_pending_snapshot *pending)

Macro Definition Documentation

#define LOWER   0

Definition at line 95 of file relocation.c.

#define MAX_EXTENTS   128

Definition at line 147 of file relocation.c.

#define MOVE_DATA_EXTENTS   0

Definition at line 191 of file relocation.c.

#define UPDATE_DATA_PTRS   1

Definition at line 192 of file relocation.c.

#define UPPER   1

Definition at line 96 of file relocation.c.

Function Documentation

void backref_tree_panic	(	struct rb_node *	rb_node,
		int	errno,
		u64	bytenr
	)

Definition at line 329 of file relocation.c.

int btrfs_init_reloc_root	(	struct btrfs_trans_handle *	trans,
		struct btrfs_root *	root
	)

Definition at line 1359 of file relocation.c.

int btrfs_recover_relocation

(

struct btrfs_root *

root

)

Definition at line 4134 of file relocation.c.

int btrfs_reloc_clone_csums	(	struct inode *	inode,
		u64	file_pos,
		u64	len
	)

Definition at line 4297 of file relocation.c.

void btrfs_reloc_cow_block	(	struct btrfs_trans_handle *	trans,
		struct btrfs_root *	root,
		struct extent_buffer *	buf,
		struct extent_buffer *	cow
	)

Definition at line 4338 of file relocation.c.

int btrfs_reloc_post_snapshot	(	struct btrfs_trans_handle *	trans,
		struct btrfs_pending_snapshot *	pending
	)

Definition at line 4430 of file relocation.c.

void btrfs_reloc_pre_snapshot	(	struct btrfs_trans_handle *	trans,
		struct btrfs_pending_snapshot *	pending,
		u64 *	bytes_to_reserve
	)

Definition at line 4396 of file relocation.c.

int btrfs_relocate_block_group	(	struct btrfs_root *	extent_root,
		u64	group_start
	)

Definition at line 4001 of file relocation.c.

int btrfs_update_reloc_root	(	struct btrfs_trans_handle *	trans,
		struct btrfs_root *	root
	)

Definition at line 1394 of file relocation.c.