1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Copyright (c) 2003-2005 Silicon Graphics, Inc. 4 * All Rights Reserved. 5 */ 6 #ifndef __XFS_IOMAP_H__ 7 #define __XFS_IOMAP_H__ 8 9 #include <linux/iomap.h> 10 11 struct xfs_inode; 12 struct xfs_bmbt_irec; 13 14 int xfs_iomap_write_direct(struct xfs_inode *, xfs_off_t, size_t, 15 struct xfs_bmbt_irec *, int); 16 int xfs_iomap_write_allocate(struct xfs_inode *, int, xfs_off_t, 17 struct xfs_bmbt_irec *, unsigned int *); 18 int xfs_iomap_write_unwritten(struct xfs_inode *, xfs_off_t, xfs_off_t, bool); 19 20 void xfs_bmbt_to_iomap(struct xfs_inode *, struct iomap *, 21 struct xfs_bmbt_irec *); 22 xfs_extlen_t xfs_eof_alignment(struct xfs_inode *ip, xfs_extlen_t extsize); 23 24 static inline xfs_filblks_t 25 xfs_aligned_fsb_count( 26 xfs_fileoff_t offset_fsb, 27 xfs_filblks_t count_fsb, 28 xfs_extlen_t extsz) 29 { 30 if (extsz) { 31 xfs_extlen_t align; 32 33 div_u64_rem(offset_fsb, extsz, &align); 34 if (align) 35 count_fsb += align; 36 div_u64_rem(count_fsb, extsz, &align); 37 if (align) 38 count_fsb += extsz - align; 39 } 40 41 return count_fsb; 42 } 43 44 extern const struct iomap_ops xfs_iomap_ops; 45 extern const struct iomap_ops xfs_xattr_iomap_ops; 46 47 #endif /* __XFS_IOMAP_H__*/ 48