| /* |
| * Copyright (c) 2000-2006 Silicon Graphics, Inc. |
| * All Rights Reserved. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License as |
| * published by the Free Software Foundation. |
| * |
| * This program is distributed in the hope that it would be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| #ifndef __XFS_BMAP_UTIL_H__ |
| #define __XFS_BMAP_UTIL_H__ |
| |
| /* Kernel only BMAP related definitions and functions */ |
| |
| struct xfs_bmbt_irec; |
| struct xfs_bmap_free_item; |
| struct xfs_ifork; |
| struct xfs_inode; |
| struct xfs_mount; |
| struct xfs_trans; |
| struct xfs_bmalloca; |
| |
| int xfs_bmap_rtalloc(struct xfs_bmalloca *ap); |
| int xfs_bmap_eof(struct xfs_inode *ip, xfs_fileoff_t endoff, |
| int whichfork, int *eof); |
| int xfs_bmap_punch_delalloc_range(struct xfs_inode *ip, |
| xfs_fileoff_t start_fsb, xfs_fileoff_t length); |
| |
| /* bmap to userspace formatter - copy to user & advance pointer */ |
| typedef int (*xfs_bmap_format_t)(void **, struct getbmapx *, int *); |
| int xfs_getbmap(struct xfs_inode *ip, struct getbmapx *bmv, |
| xfs_bmap_format_t formatter, void *arg); |
| |
| /* functions in xfs_bmap.c that are only needed by xfs_bmap_util.c */ |
| void xfs_bmap_del_free(struct xfs_bmap_free *flist, |
| struct xfs_bmap_free_item *free); |
| int xfs_bmap_extsize_align(struct xfs_mount *mp, struct xfs_bmbt_irec *gotp, |
| struct xfs_bmbt_irec *prevp, xfs_extlen_t extsz, |
| int rt, int eof, int delay, int convert, |
| xfs_fileoff_t *offp, xfs_extlen_t *lenp); |
| void xfs_bmap_adjacent(struct xfs_bmalloca *ap); |
| int xfs_bmap_last_extent(struct xfs_trans *tp, struct xfs_inode *ip, |
| int whichfork, struct xfs_bmbt_irec *rec, |
| int *is_empty); |
| |
| /* preallocation and hole punch interface */ |
| int xfs_alloc_file_space(struct xfs_inode *ip, xfs_off_t offset, |
| xfs_off_t len, int alloc_type); |
| int xfs_free_file_space(struct xfs_inode *ip, xfs_off_t offset, |
| xfs_off_t len); |
| int xfs_zero_file_space(struct xfs_inode *ip, xfs_off_t offset, |
| xfs_off_t len); |
| int xfs_collapse_file_space(struct xfs_inode *, xfs_off_t offset, |
| xfs_off_t len); |
| int xfs_insert_file_space(struct xfs_inode *, xfs_off_t offset, |
| xfs_off_t len); |
| |
| /* EOF block manipulation functions */ |
| bool xfs_can_free_eofblocks(struct xfs_inode *ip, bool force); |
| int xfs_free_eofblocks(struct xfs_mount *mp, struct xfs_inode *ip, |
| bool need_iolock); |
| |
| int xfs_swap_extents(struct xfs_inode *ip, struct xfs_inode *tip, |
| struct xfs_swapext *sx); |
| |
| xfs_daddr_t xfs_fsb_to_db(struct xfs_inode *ip, xfs_fsblock_t fsb); |
| |
| #endif /* __XFS_BMAP_UTIL_H__ */ |