X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=engines%2Fmmap.c;h=d32fe969832009d871cb9956b0950ef6413d2a29;hp=b2143196e4cf36fc828c4a9816f4b42766bef30d;hb=3af6ef399a9df324ffe4a8c8e03b52a42f587229;hpb=95bcd815e5ce55d6cdd8eb83bda5ee411f37bdc9 diff --git a/engines/mmap.c b/engines/mmap.c index b2143196..d32fe969 100644 --- a/engines/mmap.c +++ b/engines/mmap.c @@ -12,40 +12,10 @@ #include "../fio.h" #include "../os.h" -struct mmapio_data { - struct io_u *last_io_u; -}; - -static int fio_mmapio_getevents(struct thread_data *td, int fio_unused min, - int max, struct timespec fio_unused *t) -{ - assert(max <= 1); - - /* - * we can only have one finished io_u for sync io, since the depth - * is always 1 - */ - if (list_empty(&td->io_u_busylist)) - return 0; - - return 1; -} - -static struct io_u *fio_mmapio_event(struct thread_data *td, int event) -{ - struct mmapio_data *sd = td->io_ops->data; - - assert(event == 0); - - return sd->last_io_u; -} - - 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; - struct mmapio_data *sd = td->io_ops->data; if (io_u->ddir == DDIR_READ) memcpy(io_u->xfer_buf, f->mmap + real_off, io_u->xfer_buflen); @@ -66,39 +36,16 @@ static int fio_mmapio_queue(struct thread_data *td, struct io_u *io_u) io_u->error = errno; } - if (!io_u->error) - sd->last_io_u = io_u; - else + if (io_u->error) td_verror(td, io_u->error); - return io_u->error; -} - -static void fio_mmapio_cleanup(struct thread_data *td) -{ - if (td->io_ops->data) { - free(td->io_ops->data); - td->io_ops->data = NULL; - } -} - -static int fio_mmapio_init(struct thread_data *td) -{ - struct mmapio_data *sd = malloc(sizeof(*sd)); - - sd->last_io_u = NULL; - td->io_ops->data = sd; - return 0; + return FIO_Q_COMPLETED; } static struct ioengine_ops ioengine = { .name = "mmap", .version = FIO_IOOPS_VERSION, - .init = fio_mmapio_init, .queue = fio_mmapio_queue, - .getevents = fio_mmapio_getevents, - .event = fio_mmapio_event, - .cleanup = fio_mmapio_cleanup, .flags = FIO_SYNCIO | FIO_MMAPIO, };