projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 0b61f8a4 | 1 | // SPDX-License-Identifier: GPL-2.0 |
| 1da177e4 | 2 | /* |
| 7b718769 NS |
3 | * Copyright (c) 2003-2005 Silicon Graphics, Inc. |
| 4 | * All Rights Reserved. | |
| 1da177e4 | 5 | */ |
| 1da177e4 LT |
6 | #ifndef __XFS_IOMAP_H__ |
| 7 | #define __XFS_IOMAP_H__ | |
| 8 | ||
| 68a9f5e7 CH |
9 | #include <linux/iomap.h> |
| 10 | ||
| 1da177e4 LT |
11 | struct xfs_inode; |
| 12 | struct xfs_bmbt_irec; | |
| 13 | ||
| 0799a3e8 | 14 | int xfs_iomap_write_direct(struct xfs_inode *, xfs_off_t, size_t, |
| a206c817 | 15 | struct xfs_bmbt_irec *, int); |
| ee70daab | 16 | int xfs_iomap_write_unwritten(struct xfs_inode *, xfs_off_t, xfs_off_t, bool); |
| 1da177e4 | 17 | |
| 16be1433 CH |
18 | int xfs_bmbt_to_iomap(struct xfs_inode *, struct iomap *, |
| 19 | struct xfs_bmbt_irec *, bool shared); | |
| f7ca3522 | 20 | xfs_extlen_t xfs_eof_alignment(struct xfs_inode *ip, xfs_extlen_t extsize); |
| 3b3dce05 | 21 | |
| f13eb205 CH |
22 | static inline xfs_filblks_t |
| 23 | xfs_aligned_fsb_count( | |
| 24 | xfs_fileoff_t offset_fsb, | |
| 25 | xfs_filblks_t count_fsb, | |
| 26 | xfs_extlen_t extsz) | |
| 27 | { | |
| 28 | if (extsz) { | |
| 29 | xfs_extlen_t align; | |
| 30 | ||
| 0703a8e1 | 31 | div_u64_rem(offset_fsb, extsz, &align); |
| f13eb205 CH |
32 | if (align) |
| 33 | count_fsb += align; | |
| 0703a8e1 | 34 | div_u64_rem(count_fsb, extsz, &align); |
| f13eb205 CH |
35 | if (align) |
| 36 | count_fsb += extsz - align; | |
| 37 | } | |
| 38 | ||
| 39 | return count_fsb; | |
| 40 | } | |
| 41 | ||
| 8ff6daa1 | 42 | extern const struct iomap_ops xfs_iomap_ops; |
| 60271ab7 | 43 | extern const struct iomap_ops xfs_seek_iomap_ops; |
| 8ff6daa1 | 44 | extern const struct iomap_ops xfs_xattr_iomap_ops; |
| 68a9f5e7 | 45 | |
| 1da177e4 | 46 | #endif /* __XFS_IOMAP_H__*/ |