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49 lines
1.3 KiB
49 lines
1.3 KiB
// SPDX-License-Identifier: GPL-2.0 |
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/* |
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* Copyright (c) 2003-2005 Silicon Graphics, Inc. |
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* All Rights Reserved. |
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*/ |
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#ifndef __XFS_IOMAP_H__ |
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#define __XFS_IOMAP_H__ |
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#include <linux/iomap.h> |
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struct xfs_inode; |
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struct xfs_bmbt_irec; |
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int xfs_iomap_write_direct(struct xfs_inode *ip, xfs_fileoff_t offset_fsb, |
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xfs_fileoff_t count_fsb, struct xfs_bmbt_irec *imap); |
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int xfs_iomap_write_unwritten(struct xfs_inode *, xfs_off_t, xfs_off_t, bool); |
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xfs_fileoff_t xfs_iomap_eof_align_last_fsb(struct xfs_inode *ip, |
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xfs_fileoff_t end_fsb); |
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int xfs_bmbt_to_iomap(struct xfs_inode *, struct iomap *, |
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struct xfs_bmbt_irec *, u16); |
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static inline xfs_filblks_t |
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xfs_aligned_fsb_count( |
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xfs_fileoff_t offset_fsb, |
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xfs_filblks_t count_fsb, |
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xfs_extlen_t extsz) |
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{ |
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if (extsz) { |
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xfs_extlen_t align; |
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div_u64_rem(offset_fsb, extsz, &align); |
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if (align) |
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count_fsb += align; |
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div_u64_rem(count_fsb, extsz, &align); |
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if (align) |
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count_fsb += extsz - align; |
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} |
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return count_fsb; |
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} |
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extern const struct iomap_ops xfs_buffered_write_iomap_ops; |
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extern const struct iomap_ops xfs_direct_write_iomap_ops; |
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extern const struct iomap_ops xfs_read_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__*/
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