#include <linux/bio.h>
#include <linux/sort.h>
#include "async-thread.h"
#include "ioctl.h"

Data Structures
struct	btrfs_pending_bios

struct	btrfs_device

struct	btrfs_fs_devices

struct	btrfs_bio_stripe

struct	btrfs_bio

struct	btrfs_device_info

struct	map_lookup

struct	btrfs_balance_control

Macros
#define	BTRFS_STRIPE_LEN (64 * 1024)

#define	map_lookup_size(n)

#define	BTRFS_BALANCE_DATA (1ULL << 0)

#define	BTRFS_BALANCE_SYSTEM (1ULL << 1)

#define	BTRFS_BALANCE_METADATA (1ULL << 2)

#define	BTRFS_BALANCE_TYPE_MASK

#define	BTRFS_BALANCE_FORCE (1ULL << 3)

#define	BTRFS_BALANCE_RESUME (1ULL << 4)

#define	BTRFS_BALANCE_ARGS_PROFILES (1ULL << 0)

#define	BTRFS_BALANCE_ARGS_USAGE (1ULL << 1)

#define	BTRFS_BALANCE_ARGS_DEVID (1ULL << 2)

#define	BTRFS_BALANCE_ARGS_DRANGE (1ULL << 3)

#define	BTRFS_BALANCE_ARGS_VRANGE (1ULL << 4)

#define	BTRFS_BALANCE_ARGS_CONVERT (1ULL << 8)

#define	BTRFS_BALANCE_ARGS_SOFT (1ULL << 9)

#define	btrfs_bio_size(n)

Typedefs
typedef void(	btrfs_bio_end_io_t )(struct btrfs_bio *bio, int err)

Functions
int	btrfs_account_dev_extents_size (struct btrfs_device device, u64 start, u64 end, u64 length)

int	btrfs_alloc_dev_extent (struct btrfs_trans_handle trans, struct btrfs_device device, u64 chunk_tree, u64 chunk_objectid, u64 chunk_offset, u64 start, u64 num_bytes)

int	btrfs_map_block (struct btrfs_mapping_tree map_tree, int rw, u64 logical, u64 length, struct btrfs_bio **bbio_ret, int mirror_num)

int	btrfs_rmap_block (struct btrfs_mapping_tree map_tree, u64 chunk_start, u64 physical, u64 devid, u64 logical, int naddrs, int *stripe_len)

int	btrfs_read_sys_array (struct btrfs_root *root)

int	btrfs_read_chunk_tree (struct btrfs_root *root)

int	btrfs_alloc_chunk (struct btrfs_trans_handle trans, struct btrfs_root extent_root, u64 type)

void	btrfs_mapping_init (struct btrfs_mapping_tree *tree)

void	btrfs_mapping_tree_free (struct btrfs_mapping_tree *tree)

int	btrfs_map_bio (struct btrfs_root root, int rw, struct bio bio, int mirror_num, int async_submit)

int	btrfs_open_devices (struct btrfs_fs_devices fs_devices, fmode_t flags, void holder)

int	btrfs_scan_one_device (const char path, fmode_t flags, void holder, struct btrfs_fs_devices **fs_devices_ret)

int	btrfs_close_devices (struct btrfs_fs_devices *fs_devices)

void	btrfs_close_extra_devices (struct btrfs_fs_devices *fs_devices)

int	btrfs_add_device (struct btrfs_trans_handle trans, struct btrfs_root root, struct btrfs_device *device)

int	btrfs_rm_device (struct btrfs_root root, char device_path)

void	btrfs_cleanup_fs_uuids (void)

int	btrfs_num_copies (struct btrfs_mapping_tree *map_tree, u64 logical, u64 len)

int	btrfs_grow_device (struct btrfs_trans_handle trans, struct btrfs_device device, u64 new_size)

struct btrfs_device *	btrfs_find_device (struct btrfs_root root, u64 devid, u8 uuid, u8 *fsid)

int	btrfs_shrink_device (struct btrfs_device *device, u64 new_size)

int	btrfs_init_new_device (struct btrfs_root root, char path)

int	btrfs_balance (struct btrfs_balance_control bctl, struct btrfs_ioctl_balance_args bargs)

int	btrfs_resume_balance_async (struct btrfs_fs_info *fs_info)

int	btrfs_recover_balance (struct btrfs_fs_info *fs_info)

int	btrfs_pause_balance (struct btrfs_fs_info *fs_info)

int	btrfs_cancel_balance (struct btrfs_fs_info *fs_info)

int	btrfs_chunk_readonly (struct btrfs_root *root, u64 chunk_offset)

int	find_free_dev_extent (struct btrfs_device device, u64 num_bytes, u64 start, u64 *max_avail)

void	btrfs_dev_stat_print_on_error (struct btrfs_device *device)

void	btrfs_dev_stat_inc_and_print (struct btrfs_device *dev, int index)

int	btrfs_get_dev_stats (struct btrfs_root root, struct btrfs_ioctl_get_dev_stats stats)

int	btrfs_init_dev_stats (struct btrfs_fs_info *fs_info)

int	btrfs_run_dev_stats (struct btrfs_trans_handle trans, struct btrfs_fs_info fs_info)

Macro Definition Documentation

#define BTRFS_BALANCE_ARGS_CONVERT (1ULL << 8)

Definition at line 224 of file volumes.h.

#define BTRFS_BALANCE_ARGS_DEVID (1ULL << 2)

Definition at line 215 of file volumes.h.

#define BTRFS_BALANCE_ARGS_DRANGE (1ULL << 3)

Definition at line 216 of file volumes.h.

#define BTRFS_BALANCE_ARGS_PROFILES (1ULL << 0)

Definition at line 213 of file volumes.h.

#define BTRFS_BALANCE_ARGS_SOFT (1ULL << 9)

Definition at line 225 of file volumes.h.

#define BTRFS_BALANCE_ARGS_USAGE (1ULL << 1)

Definition at line 214 of file volumes.h.

#define BTRFS_BALANCE_ARGS_VRANGE (1ULL << 4)

Definition at line 217 of file volumes.h.

#define BTRFS_BALANCE_DATA (1ULL << 0)

Definition at line 199 of file volumes.h.

#define BTRFS_BALANCE_FORCE (1ULL << 3)

Definition at line 207 of file volumes.h.

#define BTRFS_BALANCE_METADATA (1ULL << 2)

Definition at line 201 of file volumes.h.

#define BTRFS_BALANCE_RESUME (1ULL << 4)

Definition at line 208 of file volumes.h.

#define BTRFS_BALANCE_SYSTEM (1ULL << 1)

Definition at line 200 of file volumes.h.

#define BTRFS_BALANCE_TYPE_MASK

Value:

(BTRFS_BALANCE_DATA |       \
                     BTRFS_BALANCE_SYSTEM |     \
                     BTRFS_BALANCE_METADATA)

Definition at line 203 of file volumes.h.

#define btrfs_bio_size ( n )

Value:

(sizeof(struct btrfs_bio) + \

(sizeof(struct btrfs_bio_stripe) * (n)))

Definition at line 244 of file volumes.h.

#define BTRFS_STRIPE_LEN (64 * 1024)

Definition at line 27 of file volumes.h.

#define map_lookup_size ( n )

Value:

(sizeof(struct map_lookup) + \

(sizeof(struct btrfs_bio_stripe) * (n)))

Definition at line 193 of file volumes.h.

Typedef Documentation

typedef void( btrfs_bio_end_io_t)(struct btrfs_bio *bio, int err)

Definition at line 161 of file volumes.h.

Function Documentation

int btrfs_account_dev_extents_size	(	struct btrfs_device *	device,
		u64	start,
		u64	end,
		u64 *	length
	)

Definition at line 785 of file volumes.c.

int btrfs_add_device	(	struct btrfs_trans_handle *	trans,
		struct btrfs_root *	root,
		struct btrfs_device *	device
	)

Definition at line 1215 of file volumes.c.

int btrfs_alloc_chunk	(	struct btrfs_trans_handle *	trans,
		struct btrfs_root *	extent_root,
		u64	type
	)

Definition at line 3586 of file volumes.c.

int btrfs_alloc_dev_extent	(	struct btrfs_trans_handle *	trans,
		struct btrfs_device *	device,
		u64	chunk_tree,
		u64	chunk_objectid,
		u64	chunk_offset,
		u64	start,
		u64	num_bytes
	)

Definition at line 1086 of file volumes.c.

int btrfs_balance	(	struct btrfs_balance_control *	bctl,
		struct btrfs_ioctl_balance_args *	bargs
	)

Definition at line 2724 of file volumes.c.

int btrfs_cancel_balance ( struct btrfs_fs_info * fs_info )

Definition at line 3021 of file volumes.c.

int btrfs_chunk_readonly	(	struct btrfs_root *	root,
		u64	chunk_offset
	)

Definition at line 3688 of file volumes.c.

void btrfs_cleanup_fs_uuids ( void )

Definition at line 74 of file volumes.c.

int btrfs_close_devices ( struct btrfs_fs_devices * fs_devices )

Definition at line 594 of file volumes.c.

void btrfs_close_extra_devices ( struct btrfs_fs_devices * fs_devices )

Definition at line 470 of file volumes.c.

void btrfs_dev_stat_inc_and_print	(	struct btrfs_device *	dev,
		int	index
	)

Definition at line 4884 of file volumes.c.

void btrfs_dev_stat_print_on_error ( struct btrfs_device * device )

Definition at line 4890 of file volumes.c.

struct btrfs_device* btrfs_find_device	(	struct btrfs_root *	root,
		u64	devid,
		u8 *	uuid,
		u8 *	fsid
	)

read

Definition at line 4318 of file volumes.c.

int btrfs_get_dev_stats	(	struct btrfs_root *	root,
		struct btrfs_ioctl_get_dev_stats *	stats
	)

Definition at line 4925 of file volumes.c.

int btrfs_grow_device	(	struct btrfs_trans_handle *	trans,
		struct btrfs_device *	device,
		u64	new_size
	)

Definition at line 1916 of file volumes.c.

int btrfs_init_dev_stats ( struct btrfs_fs_info * fs_info )

Definition at line 4738 of file volumes.c.

int btrfs_init_new_device	(	struct btrfs_root *	root,
		char *	path
	)

Definition at line 1651 of file volumes.c.

int btrfs_map_bio	(	struct btrfs_root *	root,
		int	rw,
		struct bio *	bio,
		int	mirror_num,
		int	async_submit
	)

Definition at line 4241 of file volumes.c.

int btrfs_map_block	(	struct btrfs_mapping_tree *	map_tree,
		int	rw,
		u64	logical,
		u64 *	length,
		struct btrfs_bio **	bbio_ret,
		int	mirror_num
	)

Definition at line 4018 of file volumes.c.

void btrfs_mapping_init ( struct btrfs_mapping_tree * tree )

Definition at line 3718 of file volumes.c.

void btrfs_mapping_tree_free ( struct btrfs_mapping_tree * tree )

Definition at line 3723 of file volumes.c.

int btrfs_num_copies	(	struct btrfs_mapping_tree *	map_tree,
		u64	logical,
		u64	len
	)

Definition at line 3743 of file volumes.c.

int btrfs_open_devices	(	struct btrfs_fs_devices *	fs_devices,
		fmode_t	flags,
		void *	holder
	)

Definition at line 719 of file volumes.c.

int btrfs_pause_balance ( struct btrfs_fs_info * fs_info )

Definition at line 2992 of file volumes.c.

int btrfs_read_chunk_tree ( struct btrfs_root * root )

Definition at line 4655 of file volumes.c.

int btrfs_read_sys_array ( struct btrfs_root * root )

Definition at line 4585 of file volumes.c.

int btrfs_recover_balance ( struct btrfs_fs_info * fs_info )

Definition at line 2934 of file volumes.c.

int btrfs_resume_balance_async ( struct btrfs_fs_info * fs_info )

Definition at line 2911 of file volumes.c.

int btrfs_rm_device	(	struct btrfs_root *	root,
		char *	device_path
	)

Definition at line 1312 of file volumes.c.

int btrfs_rmap_block	(	struct btrfs_mapping_tree *	map_tree,
		u64	chunk_start,
		u64	physical,
		u64	devid,
		u64 **	logical,
		int *	naddrs,
		int *	stripe_len
	)

Definition at line 4026 of file volumes.c.

int btrfs_run_dev_stats	(	struct btrfs_trans_handle *	trans,
		struct btrfs_fs_info *	fs_info
	)

Definition at line 4862 of file volumes.c.

int btrfs_scan_one_device	(	const char *	path,
		fmode_t	flags,
		void *	holder,
		struct btrfs_fs_devices **	fs_devices_ret
	)

Definition at line 735 of file volumes.c.

int btrfs_shrink_device	(	struct btrfs_device *	device,
		u64	new_size
	)

Definition at line 3062 of file volumes.c.

int find_free_dev_extent	(	struct btrfs_device *	device,
		u64	num_bytes,
		u64 *	start,
		u64 *	max_avail
	)

Definition at line 888 of file volumes.c.

Data Structures

Macros

Typedefs

Functions

Macro Definition Documentation

Typedef Documentation

Function Documentation