On Thu, 2018-11-01 at 14:35 +0800, Yufen Yu wrote: > When make discontiguous-io.cpp with -m32, g++ compiler reports > error for std::min(long unsigned int, size_t) has diffent > arguments type. > > fixes: fd21728886e7 ("Add the discontiguous-io test program") > Signed-off-by: Yufen Yu <yuyu...@huawei.com> > --- > src/discontiguous-io.cpp | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/src/discontiguous-io.cpp b/src/discontiguous-io.cpp > index 5e0ee0f..855aba9 100644 > --- a/src/discontiguous-io.cpp > +++ b/src/discontiguous-io.cpp > @@ -291,7 +291,7 @@ int main(int argc, char **argv) > unsigned char *p = &*buf.begin(); > for (int i = 0; i < len / 4; i++) > iov.append(p + 4 + i * 8, > - std::min(4ul, len - i * 4)); > + std::min((size_t)4, len - i * 4)); > } else { > iov.append(&*buf.begin(), buf.size()); > }
Are you reading the messages posted on linux-block? An alternative that I like better has been discussed in this e-mail thread: https://www.spinics.net/lists/linux-block/msg32181.html Bart.