cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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xfs_iomap.h (1513B)

      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
     11struct xfs_inode;
     12struct xfs_bmbt_irec;
     13
     14int xfs_iomap_write_direct(struct xfs_inode *ip, xfs_fileoff_t offset_fsb,
     15		xfs_fileoff_t count_fsb, unsigned int flags,
     16		struct xfs_bmbt_irec *imap);
     17int xfs_iomap_write_unwritten(struct xfs_inode *, xfs_off_t, xfs_off_t, bool);
     18xfs_fileoff_t xfs_iomap_eof_align_last_fsb(struct xfs_inode *ip,
     19		xfs_fileoff_t end_fsb);
     20
     21int xfs_bmbt_to_iomap(struct xfs_inode *ip, struct iomap *iomap,
     22		struct xfs_bmbt_irec *imap, unsigned int mapping_flags,
     23		u16 iomap_flags);
     24
     25int xfs_zero_range(struct xfs_inode *ip, loff_t pos, loff_t len,
     26		bool *did_zero);
     27int xfs_truncate_page(struct xfs_inode *ip, loff_t pos, bool *did_zero);
     28
     29static inline xfs_filblks_t
     30xfs_aligned_fsb_count(
     31	xfs_fileoff_t		offset_fsb,
     32	xfs_filblks_t		count_fsb,
     33	xfs_extlen_t		extsz)
     34{
     35	if (extsz) {
     36		xfs_extlen_t	align;
     37
     38		div_u64_rem(offset_fsb, extsz, &align);
     39		if (align)
     40			count_fsb += align;
     41		div_u64_rem(count_fsb, extsz, &align);
     42		if (align)
     43			count_fsb += extsz - align;
     44	}
     45
     46	return count_fsb;
     47}
     48
     49extern const struct iomap_ops xfs_buffered_write_iomap_ops;
     50extern const struct iomap_ops xfs_direct_write_iomap_ops;
     51extern const struct iomap_ops xfs_read_iomap_ops;
     52extern const struct iomap_ops xfs_seek_iomap_ops;
     53extern const struct iomap_ops xfs_xattr_iomap_ops;
     54
     55#endif /* __XFS_IOMAP_H__*/