Add note saying that HP-UX should work

[fio.git] / engines / mmap.c

diff --git a/engines/mmap.c b/engines/mmap.c
index 002918c1fcd4e32323a9038a7b23e310ee06140d..79238b1e537b079a183f31f589aa151b0d681419 100644 (file)
--- a/engines/mmap.c
+++ b/engines/mmap.c
@@ -45,12 +45,12 @@ static int fio_mmap_file(struct thread_data *td, struct fio_file *f,
        }
 
        if (!td_random(td)) {
-               if (madvise(f->mmap_ptr, length, MADV_SEQUENTIAL) < 0) {
+               if (posix_madvise(f->mmap_ptr, length, POSIX_MADV_SEQUENTIAL) < 0) {
                        td_verror(td, errno, "madvise");
                        goto err;
                }
        } else {
-               if (madvise(f->mmap_ptr, length, MADV_RANDOM) < 0) {
+               if (posix_madvise(f->mmap_ptr, length, POSIX_MADV_RANDOM) < 0) {
                        td_verror(td, errno, "madvise");
                        goto err;
                }
@@ -170,7 +170,7 @@ static int fio_mmapio_queue(struct thread_data *td, struct io_u *io_u)
                        io_u->error = errno;
                        td_verror(td, io_u->error, "msync");
                }
-               if (madvise(io_u->mmap_data, io_u->xfer_buflen,  MADV_DONTNEED) < 0) {
+               if (posix_madvise(io_u->mmap_data, io_u->xfer_buflen, POSIX_MADV_DONTNEED) < 0) {
                        io_u->error = errno;
                        td_verror(td, io_u->error, "madvise");
                }
@@ -181,8 +181,16 @@ static int fio_mmapio_queue(struct thread_data *td, struct io_u *io_u)
 
 static int fio_mmapio_init(struct thread_data *td)
 {
+       struct thread_options *o = &td->o;
        unsigned long shift, mask;
 
+       if ((td->o.rw_min_bs & page_mask) &&
+           (o->odirect || o->fsync_blocks || o->fdatasync_blocks)) {
+               log_err("fio: mmap options dictate a minimum block size of "
+                       "%lu bytes\n", page_size);
+               return 1;
+       }
+
        mmap_map_size = MMAP_TOTAL_SZ / td->o.nr_files;
        mask = mmap_map_size;
        shift = 0;