avail_nids 115 fs/f2fs/debug.c si->avail_nids = NM_I(sbi)->available_nids; avail_nids 421 fs/f2fs/debug.c si->free_nids, si->avail_nids, si->alloc_nids); avail_nids 3277 fs/f2fs/f2fs.h int free_nids, avail_nids, alloc_nids;