f2fs_usable_segs_in_sec
unsigned int f2fs_usable_segs_in_sec(struct f2fs_sb_info *sbi);
f2fs_usable_segs_in_sec(sbi);
if (seg_freed == f2fs_usable_segs_in_sec(sbi)) {
unsigned int usable_segs_per_sec = f2fs_usable_segs_in_sec(sbi);
unsigned int usable_segs_per_sec = f2fs_usable_segs_in_sec(sbi);
if (next >= start_segno + f2fs_usable_segs_in_sec(sbi)) {
if (next < start_segno + f2fs_usable_segs_in_sec(sbi))