}
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;
}
err:
if (td->error && f->mmap_ptr)
munmap(f->mmap_ptr, length);
-
+
return td->error;
}
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");
}
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;
break;
shift++;
} while (1);
-
+
mmap_map_mask = 1UL << shift;
return 0;
}