send.c File Reference

#include <linux/bsearch.h>
#include <linux/fs.h>
#include <linux/file.h>
#include <linux/sort.h>
#include <linux/mount.h>
#include <linux/xattr.h>
#include <linux/posix_acl_xattr.h>
#include <linux/radix-tree.h>
#include <linux/crc32c.h>
#include <linux/vmalloc.h>
#include "send.h"
#include "backref.h"
#include "locking.h"
#include "disk-io.h"
#include "btrfs_inode.h"
#include "transaction.h"

Go to the source code of this file.

Data Structures
struct	fs_path
struct	clone_root
struct	send_ctx
struct	name_cache_entry
struct	backref_ctx
struct	recorded_ref
struct	find_ref_ctx
struct	find_xattr_ctx

Macros
#define	verbose_printk(...)   if (g_verbose) printk(__VA_ARGS__)
#define	FS_PATH_INLINE_SIZE   (sizeof(struct fs_path) - offsetof(struct fs_path, inline_buf))
#define	SEND_CTX_MAX_NAME_CACHE_SIZE   128
#define	SEND_CTX_NAME_CACHE_CLEAN_SIZE   (SEND_CTX_MAX_NAME_CACHE_SIZE * 2)
#define	TLV_PUT(sctx, attrtype, attrlen, data)
#define	TLV_PUT_INT(sctx, attrtype, bits, value)
#define	TLV_PUT_U8(sctx, attrtype, data)   TLV_PUT_INT(sctx, attrtype, 8, data)
#define	TLV_PUT_U16(sctx, attrtype, data)   TLV_PUT_INT(sctx, attrtype, 16, data)
#define	TLV_PUT_U32(sctx, attrtype, data)   TLV_PUT_INT(sctx, attrtype, 32, data)
#define	TLV_PUT_U64(sctx, attrtype, data)   TLV_PUT_INT(sctx, attrtype, 64, data)
#define	TLV_PUT_STRING(sctx, attrtype, str, len)
#define	TLV_PUT_PATH(sctx, attrtype, p)
#define	TLV_PUT_UUID(sctx, attrtype, uuid)
#define	TLV_PUT_TIMESPEC(sctx, attrtype, ts)
#define	TLV_PUT_BTRFS_TIMESPEC(sctx, attrtype, eb, ts)

Typedefs
typedef int(*	iterate_inode_ref_t )(int num, u64 dir, int index, struct fs_path *p, void *ctx)
typedef int(*	iterate_dir_item_t )(int num, struct btrfs_key *di_key, const char *name, int name_len, const char *data, int data_len, u8 type, void *ctx)

Enumerations
enum	inode_state {   inode_state_no_change, inode_state_will_create, inode_state_did_create, inode_state_will_delete,   inode_state_did_delete }

Functions
int	write_buf (struct file *filp, const void *buf, u32 len, loff_t *off)
long	btrfs_ioctl_send (struct file *mnt_file, void __user *arg_)

Macro Definition Documentation

#define FS_PATH_INLINE_SIZE   (sizeof(struct fs_path) - offsetof(struct fs_path, inline_buf))

Definition at line 64 of file send.c.

#define SEND_CTX_MAX_NAME_CACHE_SIZE   128

Definition at line 77 of file send.c.

#define SEND_CTX_NAME_CACHE_CLEAN_SIZE   (SEND_CTX_MAX_NAME_CACHE_SIZE * 2)

Definition at line 78 of file send.c.

#define TLV_PUT	(		sctx,
			attrtype,
			attrlen,
			data
	)

Value:

do { \
        ret = tlv_put(sctx, attrtype, attrlen, data); \
        if (ret < 0) \
            goto tlv_put_failure; \
    } while (0)

Definition at line 498 of file send.c.

#define TLV_PUT_BTRFS_TIMESPEC	(		sctx,
			attrtype,
			eb,
			ts
	)

Value:

do { \
        ret = tlv_put_btrfs_timespec(sctx, attrtype, eb, ts); \
        if (ret < 0) \
            goto tlv_put_failure; \
    } while (0)

Definition at line 541 of file send.c.

#define TLV_PUT_INT	(		sctx,
			attrtype,
			bits,
			value
	)

Value:

do { \
        ret = tlv_put_u##bits(sctx, attrtype, value); \
        if (ret < 0) \
            goto tlv_put_failure; \
    } while (0)

Definition at line 505 of file send.c.

#define TLV_PUT_PATH	(		sctx,
			attrtype,
			p
	)

Value:

do { \
        ret = tlv_put_string(sctx, attrtype, p->start, \
            p->end - p->start); \
        if (ret < 0) \
            goto tlv_put_failure; \
    } while(0)

Definition at line 522 of file send.c.

#define TLV_PUT_STRING	(		sctx,
			attrtype,
			str,
			len
	)

Value:

do { \
        ret = tlv_put_string(sctx, attrtype, str, len); \
        if (ret < 0) \
            goto tlv_put_failure; \
    } while (0)

Definition at line 516 of file send.c.

#define TLV_PUT_TIMESPEC	(		sctx,
			attrtype,
			ts
	)

Value:

do { \
        ret = tlv_put_timespec(sctx, attrtype, ts); \
        if (ret < 0) \
            goto tlv_put_failure; \
    } while (0)

Definition at line 535 of file send.c.

#define TLV_PUT_U16	(		sctx,
			attrtype,
			data
	)		TLV_PUT_INT(sctx, attrtype, 16, data)

Definition at line 513 of file send.c.

#define TLV_PUT_U32	(		sctx,
			attrtype,
			data
	)		TLV_PUT_INT(sctx, attrtype, 32, data)

Definition at line 514 of file send.c.

#define TLV_PUT_U64	(		sctx,
			attrtype,
			data
	)		TLV_PUT_INT(sctx, attrtype, 64, data)

Definition at line 515 of file send.c.

#define TLV_PUT_U8	(		sctx,
			attrtype,
			data
	)		TLV_PUT_INT(sctx, attrtype, 8, data)

Definition at line 512 of file send.c.

#define TLV_PUT_UUID	(		sctx,
			attrtype,
			uuid
	)

Value:

do { \
        ret = tlv_put_uuid(sctx, attrtype, uuid); \
        if (ret < 0) \
            goto tlv_put_failure; \
    } while (0)

Definition at line 529 of file send.c.

#define verbose_printk

(

...

)

if (g_verbose) printk(__VA_ARGS__)

Definition at line 39 of file send.c.

Typedef Documentation

typedef int(* iterate_dir_item_t)(int num, struct btrfs_key *di_key, const char *name, int name_len, const char *data, int data_len, u8 type, void *ctx)

Definition at line 864 of file send.c.

typedef int(* iterate_inode_ref_t)(int num, u64 dir, int index, struct fs_path *p, void *ctx)

Definition at line 743 of file send.c.

Enumeration Type Documentation

enum inode_state

Enumerator:

inode_state_no_change
inode_state_will_create
inode_state_did_create
inode_state_will_delete
inode_state_did_delete

Definition at line 1431 of file send.c.

Function Documentation

long btrfs_ioctl_send	(	struct file *	mnt_file,
		void __user *	arg_
	)

Definition at line 4529 of file send.c.

int write_buf	(	struct file *	filp,
		const void *	buf,
		u32	len,
		loff_t *	off
	)

Definition at line 389 of file send.c.