reiser4_bitmap_clear_region

void reiser4_bitmap_clear_region(
　　reiser4_bitmap_t * bitmap - bitmap range of blocks will be cleared in
　　uint64_t start - start bit of the range
　　uint64_t count - bit count to be clean
)

bitmap

bitmap range of blocks will be cleared in

start

start bit of the range

count

bit count to be clean