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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-11 08:27:49 +0000 |
| commit | ace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch) | |
| tree | b2d64bc10158fdd5497876388cd68142ca374ed3 /fs/xfs/xfs_iomap.h | |
| parent | Initial commit. (diff) | |
| download | linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip | |
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'fs/xfs/xfs_iomap.h')
| -rw-r--r-- | fs/xfs/xfs_iomap.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/fs/xfs/xfs_iomap.h b/fs/xfs/xfs_iomap.h new file mode 100644 index 000000000..4da13440b --- /dev/null +++ b/fs/xfs/xfs_iomap.h @@ -0,0 +1,58 @@ +// 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 *ip, xfs_fileoff_t offset_fsb, + xfs_fileoff_t count_fsb, unsigned int flags, + struct xfs_bmbt_irec *imap, u64 *sequence); +int xfs_iomap_write_unwritten(struct xfs_inode *, xfs_off_t, xfs_off_t, bool); +xfs_fileoff_t xfs_iomap_eof_align_last_fsb(struct xfs_inode *ip, + xfs_fileoff_t end_fsb); + +u64 xfs_iomap_inode_sequence(struct xfs_inode *ip, u16 iomap_flags); +int xfs_bmbt_to_iomap(struct xfs_inode *ip, struct iomap *iomap, + struct xfs_bmbt_irec *imap, unsigned int mapping_flags, + u16 iomap_flags, u64 sequence_cookie); + +int xfs_zero_range(struct xfs_inode *ip, loff_t pos, loff_t len, + bool *did_zero); +int xfs_truncate_page(struct xfs_inode *ip, loff_t pos, bool *did_zero); + +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; +} + +extern const struct iomap_ops xfs_buffered_write_iomap_ops; +extern const struct iomap_ops xfs_page_mkwrite_iomap_ops; +extern const struct iomap_ops xfs_direct_write_iomap_ops; +extern const struct iomap_ops xfs_read_iomap_ops; +extern const struct iomap_ops xfs_seek_iomap_ops; +extern const struct iomap_ops xfs_xattr_iomap_ops; +extern const struct iomap_ops xfs_dax_write_iomap_ops; + +#endif /* __XFS_IOMAP_H__*/ |