static int fio_mmap_file(struct thread_data *td, struct fio_file *f,
size_t length, off_t off)
{
- struct fio_mmap_data *fmd = (struct fio_mmap_data *) (uintptr_t) f->engine_data;
+ struct fio_mmap_data *fmd = FILE_ENG_DATA(f);
int flags = 0;
if (td_rw(td))
goto err;
}
}
+ if (posix_madvise(fmd->mmap_ptr, length, POSIX_MADV_DONTNEED) < 0) {
+ td_verror(td, errno, "madvise");
+ goto err;
+ }
+
+#ifdef FIO_MADV_FREE
+ if (f->filetype == FIO_TYPE_BD)
+ (void) posix_madvise(fmd->mmap_ptr, fmd->mmap_sz, FIO_MADV_FREE);
+#endif
+
err:
if (td->error && fmd->mmap_ptr)
static int fio_mmapio_prep_limited(struct thread_data *td, struct io_u *io_u)
{
struct fio_file *f = io_u->file;
- struct fio_mmap_data *fmd = (struct fio_mmap_data *) (uintptr_t) f->engine_data;
+ struct fio_mmap_data *fmd = FILE_ENG_DATA(f);
if (io_u->buflen > mmap_map_size) {
log_err("fio: bs too big for mmap engine\n");
static int fio_mmapio_prep_full(struct thread_data *td, struct io_u *io_u)
{
struct fio_file *f = io_u->file;
- struct fio_mmap_data *fmd = (struct fio_mmap_data *) (uintptr_t) f->engine_data;
+ struct fio_mmap_data *fmd = FILE_ENG_DATA(f);
int ret;
if (fio_file_partial_mmap(f))
return EINVAL;
+ if (io_u->offset != (size_t) io_u->offset ||
+ f->io_size != (size_t) f->io_size) {
+ fio_file_set_partial_mmap(f);
+ return EINVAL;
+ }
fmd->mmap_sz = f->io_size;
fmd->mmap_off = 0;
static int fio_mmapio_prep(struct thread_data *td, struct io_u *io_u)
{
struct fio_file *f = io_u->file;
- struct fio_mmap_data *fmd = (struct fio_mmap_data *) (uintptr_t) f->engine_data;
+ struct fio_mmap_data *fmd = FILE_ENG_DATA(f);
int ret;
/*
static int fio_mmapio_queue(struct thread_data *td, struct io_u *io_u)
{
struct fio_file *f = io_u->file;
- struct fio_mmap_data *fmd = (struct fio_mmap_data *) (uintptr_t) f->engine_data;
+ struct fio_mmap_data *fmd = FILE_ENG_DATA(f);
fio_ro_check(td, io_u);
fmd = calloc(1, sizeof(*fmd));
if (!fmd) {
- int fio_unused ret;
- ret = generic_close_file(td, f);
+ int fio_unused __ret;
+ __ret = generic_close_file(td, f);
return 1;
}
- f->engine_data = (uintptr_t) fmd;
+ FILE_SET_ENG_DATA(f, fmd);
return 0;
}
static int fio_mmapio_close_file(struct thread_data *td, struct fio_file *f)
{
- struct fio_mmap_data *fmd;
+ struct fio_mmap_data *fmd = FILE_ENG_DATA(f);
- fmd = (struct fio_mmap_data *) (uintptr_t) f->engine_data;
- f->engine_data = 0;
+ FILE_SET_ENG_DATA(f, NULL);
free(fmd);
+ fio_file_clear_partial_mmap(f);
return generic_close_file(td, f);
}
-static int fio_mmapio_invalidate(struct thread_data *td, struct fio_file *f)
-{
- struct fio_mmap_data *fmd = (struct fio_mmap_data *) (uintptr_t) f->engine_data;
- int ret;
-
- ret = posix_madvise(fmd->mmap_ptr, fmd->mmap_sz, POSIX_MADV_DONTNEED);
-#ifdef FIO_MADV_FREE
- if (f->filetype == FIO_TYPE_BD)
- (void) posix_madvise(fmd->mmap_ptr, fmd->mmap_sz, FIO_MADV_FREE);
-#endif
-
- return ret;
-}
-
static struct ioengine_ops ioengine = {
.name = "mmap",
.version = FIO_IOOPS_VERSION,
.queue = fio_mmapio_queue,
.open_file = fio_mmapio_open_file,
.close_file = fio_mmapio_close_file,
- .invalidate = fio_mmapio_invalidate,
.get_file_size = generic_get_file_size,
.flags = FIO_SYNCIO | FIO_NOEXTEND,
};