projects / mirror_ubuntu-artful-kernel.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| 7b718769 NS |
2 | * Copyright (c) 2003-2005 Silicon Graphics, Inc. |
| 3 | * All Rights Reserved. | |
| 1da177e4 | 4 | * |
| 7b718769 NS |
5 | * This program is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU General Public License as | |
| 1da177e4 LT |
7 | * published by the Free Software Foundation. |
| 8 | * | |
| 7b718769 NS |
9 | * This program is distributed in the hope that it would be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 12 | * GNU General Public License for more details. | |
| 1da177e4 | 13 | * |
| 7b718769 NS |
14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write the Free Software Foundation, | |
| 16 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA | |
| 1da177e4 | 17 | */ |
| 1da177e4 LT |
18 | #ifndef __XFS_IOMAP_H__ |
| 19 | #define __XFS_IOMAP_H__ | |
| 20 | ||
| 68a9f5e7 CH |
21 | #include <linux/iomap.h> |
| 22 | ||
| 1da177e4 LT |
23 | struct xfs_inode; |
| 24 | struct xfs_bmbt_irec; | |
| 25 | ||
| 0799a3e8 | 26 | int xfs_iomap_write_direct(struct xfs_inode *, xfs_off_t, size_t, |
| a206c817 | 27 | struct xfs_bmbt_irec *, int); |
| 60b4984f | 28 | int xfs_iomap_write_allocate(struct xfs_inode *, int, xfs_off_t, |
| a206c817 | 29 | struct xfs_bmbt_irec *); |
| 15f30c7f | 30 | int xfs_iomap_write_unwritten(struct xfs_inode *, xfs_off_t, xfs_off_t, bool); |
| 1da177e4 | 31 | |
| 3b3dce05 CH |
32 | void xfs_bmbt_to_iomap(struct xfs_inode *, struct iomap *, |
| 33 | struct xfs_bmbt_irec *); | |
| f7ca3522 | 34 | xfs_extlen_t xfs_eof_alignment(struct xfs_inode *ip, xfs_extlen_t extsize); |
| 3b3dce05 | 35 | |
| f13eb205 CH |
36 | static inline xfs_filblks_t |
| 37 | xfs_aligned_fsb_count( | |
| 38 | xfs_fileoff_t offset_fsb, | |
| 39 | xfs_filblks_t count_fsb, | |
| 40 | xfs_extlen_t extsz) | |
| 41 | { | |
| 42 | if (extsz) { | |
| 43 | xfs_extlen_t align; | |
| 44 | ||
| 45 | align = do_mod(offset_fsb, extsz); | |
| 46 | if (align) | |
| 47 | count_fsb += align; | |
| 48 | align = do_mod(count_fsb, extsz); | |
| 49 | if (align) | |
| 50 | count_fsb += extsz - align; | |
| 51 | } | |
| 52 | ||
| 53 | return count_fsb; | |
| 54 | } | |
| 55 | ||
| 8ff6daa1 CH |
56 | extern const struct iomap_ops xfs_iomap_ops; |
| 57 | extern const struct iomap_ops xfs_xattr_iomap_ops; | |
| 68a9f5e7 | 58 | |
| 1da177e4 | 59 | #endif /* __XFS_IOMAP_H__*/ |