Lines Matching full:bitmap
97 /* mmap the bitmap */
113 static inline void cow_set_bit(uint8_t *bitmap, int64_t bitnum)
115 bitmap[bitnum / 8] |= (1 << (bitnum%8));
118 static inline int is_bit_set(const uint8_t *bitmap, int64_t bitnum)
120 return !!(bitmap[bitnum / 8] & (1 << (bitnum%8)));
127 static inline int is_changed(uint8_t *bitmap,
133 if (!bitmap || nb_sectors == 0) {
138 changed = is_bit_set(bitmap, sector_num);
140 if (is_bit_set(bitmap, sector_num + *num_same) != changed)
252 /* resize to include at least all the bitmap */
