128
130
size_t use_mem, uint32_t division_limit,
129
131
uint32_t age_threshold);
130
132
extern unsigned char *key_cache_read(KEY_CACHE *keycache,
131
File file, my_off_t filepos, int level,
133
int file, my_off_t filepos, int level,
132
134
unsigned char *buff, uint32_t length,
133
135
uint32_t block_length,int return_buffer);
134
136
extern int key_cache_insert(KEY_CACHE *keycache,
135
File file, my_off_t filepos, int level,
137
int file, my_off_t filepos, int level,
136
138
unsigned char *buff, uint32_t length);
137
139
extern int key_cache_write(KEY_CACHE *keycache,
138
File file, my_off_t filepos, int level,
140
int file, my_off_t filepos, int level,
139
141
unsigned char *buff, uint32_t length,
140
142
uint32_t block_length,int force_write);
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143
extern int flush_key_blocks(KEY_CACHE *keycache,