[thirdparty/xfsprogs-dev.git] / repair / da_util.h

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2015 Red Hat, Inc.
 * All Rights Reserved.
 */

#ifndef _XR_DA_UTIL_H
#define	_XR_DA_UTIL_H

struct da_level_state  {
	xfs_buf_t	*bp;		/* block bp */
	xfs_dablk_t	bno;		/* file block number */
	xfs_dahash_t	hashval;	/* last verified hashval */
	int		index;		/* current index in block */
	int		dirty;		/* is buffer dirty ? (1 == yes) */
};

typedef struct da_bt_cursor {
	int			active;	/* highest level in tree (# levels-1) */
	xfs_ino_t		ino;
	xfs_dablk_t		greatest_bno;
	xfs_dinode_t		*dip;
	struct da_level_state	level[XFS_DA_NODE_MAXDEPTH];
	struct blkmap		*blkmap;
} da_bt_cursor_t;

int
namecheck(
	char		*name,
	int		length,
	bool		isadir);

struct xfs_buf *
da_read_buf(
	xfs_mount_t	*mp,
	int		nex,
	bmap_ext_t	*bmp,
	const struct xfs_buf_ops *ops);

void
release_da_cursor(
	xfs_mount_t	*mp,
	da_bt_cursor_t	*cursor,
	int		prev_level);

void
err_release_da_cursor(
	xfs_mount_t	*mp,
	da_bt_cursor_t	*cursor,
	int		prev_level);

int
traverse_int_dablock(
	xfs_mount_t	*mp,
	da_bt_cursor_t	*da_cursor,
	xfs_dablk_t	*rbno,
	int		whichfork);

int
verify_da_path(
	xfs_mount_t	*mp,
	da_bt_cursor_t	*cursor,
	const int	p_level,
	int		whichfork);

int
verify_final_da_path(
	xfs_mount_t	*mp,
	da_bt_cursor_t	*cursor,
	const int	p_level,
	int		whichfork);
#endif	/* _XR_DA_UTIL_H */
Commit	Line	Data
959ef981	1	// SPDX-License-Identifier: GPL-2.0
360f4a2e ES	2	/*
	3	* Copyright (c) 2015 Red Hat, Inc.
	4	* All Rights Reserved.
360f4a2e ES	5	*/
	6
	7	#ifndef _XR_DA_UTIL_H
	8	#define _XR_DA_UTIL_H
	9
	10	struct da_level_state {
	11	xfs_buf_t bp; / block bp */
	12	xfs_dablk_t bno; /* file block number */
	13	xfs_dahash_t hashval; /* last verified hashval */
	14	int index; /* current index in block */
	15	int dirty; /* is buffer dirty ? (1 == yes) */
	16	};
	17
	18	typedef struct da_bt_cursor {
	19	int active; /* highest level in tree (# levels-1) */
	20	xfs_ino_t ino;
	21	xfs_dablk_t greatest_bno;
	22	xfs_dinode_t *dip;
	23	struct da_level_state level[XFS_DA_NODE_MAXDEPTH];
	24	struct blkmap *blkmap;
	25	} da_bt_cursor_t;
	26
	27	int
	28	namecheck(
	29	char *name,
45571fd5 ES	30	int length,
45571fd5 ES	31	bool isadir);
360f4a2e ES	32
	33	struct xfs_buf *
	34	da_read_buf(
	35	xfs_mount_t *mp,
	36	int nex,
	37	bmap_ext_t *bmp,
	38	const struct xfs_buf_ops *ops);
	39
	40	void
	41	release_da_cursor(
	42	xfs_mount_t *mp,
	43	da_bt_cursor_t *cursor,
	44	int prev_level);
	45
	46	void
	47	err_release_da_cursor(
	48	xfs_mount_t *mp,
	49	da_bt_cursor_t *cursor,
	50	int prev_level);
	51
	52	int
	53	traverse_int_dablock(
	54	xfs_mount_t *mp,
	55	da_bt_cursor_t *da_cursor,
	56	xfs_dablk_t *rbno,
	57	int whichfork);
	58
	59	int
	60	verify_da_path(
	61	xfs_mount_t *mp,
	62	da_bt_cursor_t *cursor,
	63	const int p_level,
	64	int whichfork);
	65
	66	int
	67	verify_final_da_path(
	68	xfs_mount_t *mp,
	69	da_bt_cursor_t *cursor,
5cd3b070 ES	70	const int p_level,
5cd3b070 ES	71	int whichfork);
360f4a2e	72	#endif /* _XR_DA_UTIL_H */