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18#ifndef __XFS_BMAP_UTIL_H__
19#define __XFS_BMAP_UTIL_H__
20
21
22
23struct xfs_bmbt_irec;
24struct xfs_bmap_free_item;
25struct xfs_ifork;
26struct xfs_inode;
27struct xfs_mount;
28struct xfs_trans;
29struct xfs_bmalloca;
30
31int xfs_bmap_rtalloc(struct xfs_bmalloca *ap);
32int xfs_bmap_eof(struct xfs_inode *ip, xfs_fileoff_t endoff,
33 int whichfork, int *eof);
34int xfs_bmap_count_blocks(struct xfs_trans *tp, struct xfs_inode *ip,
35 int whichfork, int *count);
36int xfs_bmap_punch_delalloc_range(struct xfs_inode *ip,
37 xfs_fileoff_t start_fsb, xfs_fileoff_t length);
38
39
40typedef int (*xfs_bmap_format_t)(void **, struct getbmapx *, int *);
41int xfs_getbmap(struct xfs_inode *ip, struct getbmapx *bmv,
42 xfs_bmap_format_t formatter, void *arg);
43
44
45void xfs_bmap_del_free(struct xfs_bmap_free *flist,
46 struct xfs_bmap_free_item *prev,
47 struct xfs_bmap_free_item *free);
48int xfs_bmap_extsize_align(struct xfs_mount *mp, struct xfs_bmbt_irec *gotp,
49 struct xfs_bmbt_irec *prevp, xfs_extlen_t extsz,
50 int rt, int eof, int delay, int convert,
51 xfs_fileoff_t *offp, xfs_extlen_t *lenp);
52void xfs_bmap_adjacent(struct xfs_bmalloca *ap);
53int xfs_bmap_last_extent(struct xfs_trans *tp, struct xfs_inode *ip,
54 int whichfork, struct xfs_bmbt_irec *rec,
55 int *is_empty);
56
57
58int xfs_alloc_file_space(struct xfs_inode *ip, xfs_off_t offset,
59 xfs_off_t len, int alloc_type);
60int xfs_free_file_space(struct xfs_inode *ip, xfs_off_t offset,
61 xfs_off_t len);
62int xfs_zero_file_space(struct xfs_inode *ip, xfs_off_t offset,
63 xfs_off_t len);
64int xfs_collapse_file_space(struct xfs_inode *, xfs_off_t offset,
65 xfs_off_t len);
66int xfs_insert_file_space(struct xfs_inode *, xfs_off_t offset,
67 xfs_off_t len);
68
69
70bool xfs_can_free_eofblocks(struct xfs_inode *ip, bool force);
71int xfs_free_eofblocks(struct xfs_mount *mp, struct xfs_inode *ip,
72 bool need_iolock);
73
74int xfs_swap_extents(struct xfs_inode *ip, struct xfs_inode *tip,
75 struct xfs_swapext *sx);
76
77xfs_daddr_t xfs_fsb_to_db(struct xfs_inode *ip, xfs_fsblock_t fsb);
78
79#endif
80