73 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			73 lines
		
	
	
		
			1.5 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| /* SPDX-License-Identifier: GPL-2.0 */
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| #ifndef _BCACHEFS_KEYLIST_H
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| #define _BCACHEFS_KEYLIST_H
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| 
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| #include "keylist_types.h"
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| 
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| int bch2_keylist_realloc(struct keylist *, u64 *, size_t, size_t);
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| void bch2_keylist_pop_front(struct keylist *);
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| 
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| static inline void bch2_keylist_init(struct keylist *l, u64 *inline_keys)
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| {
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| 	l->top_p = l->keys_p = inline_keys;
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| }
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| 
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| static inline void bch2_keylist_free(struct keylist *l, u64 *inline_keys)
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| {
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| 	if (l->keys_p != inline_keys)
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| 		kfree(l->keys_p);
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| }
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| 
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| static inline void bch2_keylist_push(struct keylist *l)
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| {
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| 	l->top = bkey_next(l->top);
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| }
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| 
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| static inline void bch2_keylist_add(struct keylist *l, const struct bkey_i *k)
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| {
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| 	bkey_copy(l->top, k);
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| 	bch2_keylist_push(l);
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| }
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| 
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| static inline bool bch2_keylist_empty(struct keylist *l)
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| {
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| 	return l->top == l->keys;
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| }
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| 
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| static inline size_t bch2_keylist_u64s(struct keylist *l)
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| {
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| 	return l->top_p - l->keys_p;
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| }
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| 
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| static inline size_t bch2_keylist_bytes(struct keylist *l)
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| {
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| 	return bch2_keylist_u64s(l) * sizeof(u64);
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| }
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| 
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| static inline struct bkey_i *bch2_keylist_front(struct keylist *l)
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| {
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| 	return l->keys;
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| }
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| 
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| #define for_each_keylist_key(_keylist, _k)			\
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| 	for (struct bkey_i *_k = (_keylist)->keys;		\
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| 	     _k != (_keylist)->top;				\
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| 	     _k = bkey_next(_k))
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| 
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| static inline u64 keylist_sectors(struct keylist *keys)
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| {
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| 	u64 ret = 0;
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| 
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| 	for_each_keylist_key(keys, k)
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| 		ret += k->k.size;
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| 	return ret;
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| }
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| 
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| #ifdef CONFIG_BCACHEFS_DEBUG
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| void bch2_verify_keylist_sorted(struct keylist *);
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| #else
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| static inline void bch2_verify_keylist_sorted(struct keylist *l) {}
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| #endif
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| 
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| #endif /* _BCACHEFS_KEYLIST_H */
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