mkfs_ext2: small tweak

Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko 2009-10-20 00:16:24 +02:00
parent 05647b5551
commit 69f2e2cdeb

View File

@ -75,10 +75,11 @@ static unsigned int_log2(unsigned arg)
}
// taken from mkfs_minix.c. libbb candidate?
static unsigned div_roundup(uint64_t size, uint32_t n)
// why "uint64_t size"? we never use it for anything >32 bits
static uint32_t div_roundup(uint64_t size, uint32_t n)
{
// Overflow-resistant
uint64_t res = size / n;
uint32_t res = size / n;
if (res * n != size)
res++;
return res;