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// SPDX-License-Identifier: GPL-2.0
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/*
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* Copyright ( c ) 2003 - 2005 Silicon Graphics , Inc .
* All Rights Reserved .
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*/
# ifndef __XFS_IOMAP_H__
# define __XFS_IOMAP_H__
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# include <linux/iomap.h>
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struct xfs_inode ;
struct xfs_bmbt_irec ;
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int xfs_iomap_write_direct ( struct xfs_inode * , xfs_off_t , size_t ,
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struct xfs_bmbt_irec * , int ) ;
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int xfs_iomap_write_unwritten ( struct xfs_inode * , xfs_off_t , xfs_off_t , bool ) ;
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int xfs_bmbt_to_iomap ( struct xfs_inode * , struct iomap * ,
struct xfs_bmbt_irec * , bool shared ) ;
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xfs_extlen_t xfs_eof_alignment ( struct xfs_inode * ip , xfs_extlen_t extsize ) ;
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static inline xfs_filblks_t
xfs_aligned_fsb_count (
xfs_fileoff_t offset_fsb ,
xfs_filblks_t count_fsb ,
xfs_extlen_t extsz )
{
if ( extsz ) {
xfs_extlen_t align ;
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div_u64_rem ( offset_fsb , extsz , & align ) ;
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if ( align )
count_fsb + = align ;
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div_u64_rem ( count_fsb , extsz , & align ) ;
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if ( align )
count_fsb + = extsz - align ;
}
return count_fsb ;
}
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extern const struct iomap_ops xfs_iomap_ops ;
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extern const struct iomap_ops xfs_seek_iomap_ops ;
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extern const struct iomap_ops xfs_xattr_iomap_ops ;
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# endif /* __XFS_IOMAP_H__*/