Release 4.18 fs/xfs/xfs_iomap.h

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (c) 2003-2005 Silicon Graphics, Inc.
 * All Rights Reserved.
 */
#ifndef __XFS_IOMAP_H__

#define __XFS_IOMAP_H__

#include <linux/iomap.h>

struct xfs_inode;
struct xfs_bmbt_irec;

int xfs_iomap_write_direct(struct xfs_inode *, xfs_off_t, size_t,
			struct xfs_bmbt_irec *, int);
int xfs_iomap_write_allocate(struct xfs_inode *, int, xfs_off_t,
			struct xfs_bmbt_irec *);
int xfs_iomap_write_unwritten(struct xfs_inode *, xfs_off_t, xfs_off_t, bool);

void xfs_bmbt_to_iomap(struct xfs_inode *, struct iomap *,
		struct xfs_bmbt_irec *);
xfs_extlen_t xfs_eof_alignment(struct xfs_inode *ip, xfs_extlen_t extsize);


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;

		div_u64_rem(offset_fsb, extsz, &align);
		if (align)
			count_fsb += align;
		div_u64_rem(count_fsb, extsz, &align);
		if (align)
			count_fsb += extsz - align;
	}

	return count_fsb;
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Christoph Hellwig
58
87.88%
1
50.00%
Dave Chinner
8
12.12%
1
50.00%
Total
66
100.00%
2
100.00%

extern const struct iomap_ops xfs_iomap_ops;
extern const struct iomap_ops xfs_xattr_iomap_ops;

#endif /* __XFS_IOMAP_H__*/
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Christoph Hellwig
110
63.22%
8
50.00%
Russell Cattelan
36
20.69%
1
6.25%
Darrick J. Wong
14
8.05%
2
12.50%
Dave Chinner
10
5.75%
2
12.50%
Eryu Guan
2
1.15%
1
6.25%
Lachlan McIlroy
1
0.57%
1
6.25%
Nathan Scott
1
0.57%
1
6.25%
Total
174
100.00%
16
100.00%
Directory: fs/xfs

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