reiser4_bitmap_find_region

uint64_t reiser4_bitmap_find_region(
　　reiser4_bitmap_t * bitmap - bitmap, clear bit will be searched in
　　uint64_t * start - start of clean region will be stored
　　uint64_t count - blocks requested
　　int marked - find marked region or clean
)

bitmap

bitmap, clear bit will be searched in

start

start of clean region will be stored

count

blocks requested

marked

find marked region or clean