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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright (c) 2000-2001,2005 Silicon Graphics, Inc.
* All Rights Reserved.
*/
#ifndef _XFS_REPAIR_BMAP_H
#define _XFS_REPAIR_BMAP_H
/*
* Extent descriptor.
*/
typedef struct bmap_ext {
xfs_fileoff_t startoff;
xfs_fsblock_t startblock;
xfs_filblks_t blockcount;
} bmap_ext_t;
/*
* Block map.
*/
typedef struct blkmap {
int naexts;
int nexts;
bmap_ext_t exts[1];
} blkmap_t;
#define BLKMAP_SIZE(n) \
(offsetof(blkmap_t, exts) + (sizeof(bmap_ext_t) * (n)))
extern pthread_key_t dblkmap_key;
extern pthread_key_t ablkmap_key;
blkmap_t *blkmap_alloc(xfs_extnum_t nex, int whichfork);
void blkmap_free(blkmap_t *blkmap);
void blkmap_free_final(void);
int blkmap_set_ext(blkmap_t **blkmapp, xfs_fileoff_t o,
xfs_fsblock_t b, xfs_filblks_t c);
xfs_fsblock_t blkmap_get(blkmap_t *blkmap, xfs_fileoff_t o);
int blkmap_getn(blkmap_t *blkmap, xfs_fileoff_t o,
xfs_filblks_t nb, bmap_ext_t **bmpp,
bmap_ext_t *bmpp_single);
xfs_fileoff_t blkmap_last_off(blkmap_t *blkmap);
xfs_fileoff_t blkmap_next_off(blkmap_t *blkmap, xfs_fileoff_t o, int *t);
#endif /* _XFS_REPAIR_BMAP_H */
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