-static int fio_mmapio_queue(struct thread_data *td, struct io_u *io_u)
-{
- struct fio_file *f = io_u->file;
- unsigned long long real_off = io_u->offset - f->file_offset;
-
- if (io_u->ddir == DDIR_READ)
- memcpy(io_u->xfer_buf, f->mmap + real_off, io_u->xfer_buflen);
- else if (io_u->ddir == DDIR_WRITE)
- memcpy(f->mmap + real_off, io_u->xfer_buf, io_u->xfer_buflen);
- else if (io_u->ddir == DDIR_SYNC) {
- size_t len = (f->io_size + page_size - 1) & ~page_mask;
-
- if (msync(f->mmap, len, MS_SYNC)) {
- io_u->error = errno;
- td_verror(td, io_u->error, "msync");
- }
- }
-
- /*
- * not really direct, but should drop the pages from the cache
- */
- if (td->o.odirect && io_u->ddir != DDIR_SYNC) {
- size_t len = (io_u->xfer_buflen + page_size - 1) & ~page_mask;
- unsigned long long off = real_off & ~page_mask;
-
- if (msync(f->mmap + off, len, MS_SYNC) < 0) {
- io_u->error = errno;
- td_verror(td, io_u->error, "msync");
- }
- if (madvise(f->mmap + off, len, MADV_DONTNEED) < 0) {
- io_u->error = errno;
- td_verror(td, io_u->error, "madvise");
- }
- }