static int raw_read(BlockDriverState *bs, int64_t sector_num,
uint8_t *buf, int nb_sectors)
{
- return raw_pread(bs, sector_num * 512, buf, (uint64_t)nb_sectors * 512);
+ int ret;
+
+ ret = raw_pread(bs, sector_num * 512, buf, nb_sectors * 512);
+ if (ret == (nb_sectors * 512))
+ ret = 0;
+ return ret;
}
/*
static int raw_write(BlockDriverState *bs, int64_t sector_num,
const uint8_t *buf, int nb_sectors)
{
- return raw_pwrite(bs, sector_num * 512, buf, (uint64_t)nb_sectors * 512);
+ int ret;
+ ret = raw_pwrite(bs, sector_num * 512, buf, nb_sectors * 512);
+ if (ret == (nb_sectors * 512))
+ ret = 0;
+ return ret;
}
#ifdef CONFIG_AIO