change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/fs/xfs/xfs_reflink.h
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@@ -6,16 +6,28 @@
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 #ifndef __XFS_REFLINK_H
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 #define __XFS_REFLINK_H 1
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+static inline bool xfs_is_always_cow_inode(struct xfs_inode *ip)
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+{
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+	return ip->i_mount->m_always_cow &&
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+		xfs_sb_version_hasreflink(&ip->i_mount->m_sb);
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+}
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+
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+static inline bool xfs_is_cow_inode(struct xfs_inode *ip)
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+{
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+	return xfs_is_reflink_inode(ip) || xfs_is_always_cow_inode(ip);
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+}
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+
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 extern int xfs_reflink_find_shared(struct xfs_mount *mp, struct xfs_trans *tp,
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 		xfs_agnumber_t agno, xfs_agblock_t agbno, xfs_extlen_t aglen,
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 		xfs_agblock_t *fbno, xfs_extlen_t *flen, bool find_maximal);
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 extern int xfs_reflink_trim_around_shared(struct xfs_inode *ip,
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-		struct xfs_bmbt_irec *irec, bool *shared, bool *trimmed);
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+		struct xfs_bmbt_irec *irec, bool *shared);
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+int xfs_bmap_trim_cow(struct xfs_inode *ip, struct xfs_bmbt_irec *imap,
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+		bool *shared);
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-extern int xfs_reflink_reserve_cow(struct xfs_inode *ip,
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-		struct xfs_bmbt_irec *imap, bool *shared);
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-extern int xfs_reflink_allocate_cow(struct xfs_inode *ip,
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-		struct xfs_bmbt_irec *imap, bool *shared, uint *lockmode);
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+int xfs_reflink_allocate_cow(struct xfs_inode *ip, struct xfs_bmbt_irec *imap,
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+		struct xfs_bmbt_irec *cmap, bool *shared, uint *lockmode,
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+		bool convert_now);
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 extern int xfs_reflink_convert_cow(struct xfs_inode *ip, xfs_off_t offset,
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 		xfs_off_t count);
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@@ -27,13 +39,22 @@
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 extern int xfs_reflink_end_cow(struct xfs_inode *ip, xfs_off_t offset,
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 		xfs_off_t count);
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 extern int xfs_reflink_recover_cow(struct xfs_mount *mp);
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-extern int xfs_reflink_remap_range(struct file *file_in, loff_t pos_in,
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-		struct file *file_out, loff_t pos_out, u64 len, bool is_dedupe);
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+extern loff_t xfs_reflink_remap_range(struct file *file_in, loff_t pos_in,
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+		struct file *file_out, loff_t pos_out, loff_t len,
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+		unsigned int remap_flags);
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 extern int xfs_reflink_inode_has_shared_extents(struct xfs_trans *tp,
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 		struct xfs_inode *ip, bool *has_shared);
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 extern int xfs_reflink_clear_inode_flag(struct xfs_inode *ip,
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 		struct xfs_trans **tpp);
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 extern int xfs_reflink_unshare(struct xfs_inode *ip, xfs_off_t offset,
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 		xfs_off_t len);
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+extern int xfs_reflink_remap_prep(struct file *file_in, loff_t pos_in,
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+		struct file *file_out, loff_t pos_out, loff_t *len,
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+		unsigned int remap_flags);
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+extern int xfs_reflink_remap_blocks(struct xfs_inode *src, loff_t pos_in,
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+		struct xfs_inode *dest, loff_t pos_out, loff_t remap_len,
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+		loff_t *remapped);
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+extern int xfs_reflink_update_dest(struct xfs_inode *dest, xfs_off_t newlen,
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+		xfs_extlen_t cowextsize, unsigned int remap_flags);
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 #endif /* __XFS_REFLINK_H */