80 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			80 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| #ifndef _BCACHEFS_REFLINK_H
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| #define _BCACHEFS_REFLINK_H
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| 
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| enum bch_validate_flags;
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| 
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| int bch2_reflink_p_validate(struct bch_fs *, struct bkey_s_c, enum bch_validate_flags);
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| void bch2_reflink_p_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
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| bool bch2_reflink_p_merge(struct bch_fs *, struct bkey_s, struct bkey_s_c);
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| int bch2_trigger_reflink_p(struct btree_trans *, enum btree_id, unsigned,
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| 			   struct bkey_s_c, struct bkey_s,
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| 			   enum btree_iter_update_trigger_flags);
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| 
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| #define bch2_bkey_ops_reflink_p ((struct bkey_ops) {		\
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| 	.key_validate	= bch2_reflink_p_validate,		\
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| 	.val_to_text	= bch2_reflink_p_to_text,		\
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| 	.key_merge	= bch2_reflink_p_merge,			\
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| 	.trigger	= bch2_trigger_reflink_p,		\
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| 	.min_val_size	= 16,					\
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| })
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| 
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| int bch2_reflink_v_validate(struct bch_fs *, struct bkey_s_c, enum bch_validate_flags);
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| void bch2_reflink_v_to_text(struct printbuf *, struct bch_fs *, struct bkey_s_c);
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| int bch2_trigger_reflink_v(struct btree_trans *, enum btree_id, unsigned,
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| 			   struct bkey_s_c, struct bkey_s,
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| 			   enum btree_iter_update_trigger_flags);
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| 
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| #define bch2_bkey_ops_reflink_v ((struct bkey_ops) {		\
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| 	.key_validate	= bch2_reflink_v_validate,		\
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| 	.val_to_text	= bch2_reflink_v_to_text,		\
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| 	.swab		= bch2_ptr_swab,			\
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| 	.trigger	= bch2_trigger_reflink_v,		\
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| 	.min_val_size	= 8,					\
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| })
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| 
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| int bch2_indirect_inline_data_validate(struct bch_fs *, struct bkey_s_c,
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| 				      enum bch_validate_flags);
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| void bch2_indirect_inline_data_to_text(struct printbuf *,
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| 				struct bch_fs *, struct bkey_s_c);
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| int bch2_trigger_indirect_inline_data(struct btree_trans *,
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| 					 enum btree_id, unsigned,
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| 			      struct bkey_s_c, struct bkey_s,
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| 			      enum btree_iter_update_trigger_flags);
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| 
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| #define bch2_bkey_ops_indirect_inline_data ((struct bkey_ops) {	\
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| 	.key_validate	= bch2_indirect_inline_data_validate,	\
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| 	.val_to_text	= bch2_indirect_inline_data_to_text,	\
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| 	.trigger	= bch2_trigger_indirect_inline_data,	\
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| 	.min_val_size	= 8,					\
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| })
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| 
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| static inline const __le64 *bkey_refcount_c(struct bkey_s_c k)
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| {
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| 	switch (k.k->type) {
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| 	case KEY_TYPE_reflink_v:
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| 		return &bkey_s_c_to_reflink_v(k).v->refcount;
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| 	case KEY_TYPE_indirect_inline_data:
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| 		return &bkey_s_c_to_indirect_inline_data(k).v->refcount;
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| 	default:
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| 		return NULL;
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| 	}
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| }
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| 
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| static inline __le64 *bkey_refcount(struct bkey_s k)
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| {
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| 	switch (k.k->type) {
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| 	case KEY_TYPE_reflink_v:
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| 		return &bkey_s_to_reflink_v(k).v->refcount;
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| 	case KEY_TYPE_indirect_inline_data:
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| 		return &bkey_s_to_indirect_inline_data(k).v->refcount;
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| 	default:
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| 		return NULL;
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| 	}
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| }
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| 
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| s64 bch2_remap_range(struct bch_fs *, subvol_inum, u64,
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| 		     subvol_inum, u64, u64, u64, s64 *);
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| 
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| #endif /* _BCACHEFS_REFLINK_H */
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