X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=engines%2Fposixaio.c;h=2df26af3848eb6b4c14aea90ef16d0e946e8c43e;hp=e315e972b73df4d085f220fb54ed4bc276083de9;hb=4c057b34dfc2554ce506f806e126db22e38488d6;hpb=9918be5a9bfe2819cccdb9f975f2b9d4d36f3f70 diff --git a/engines/posixaio.c b/engines/posixaio.c index e315e972..2df26af3 100644 --- a/engines/posixaio.c +++ b/engines/posixaio.c @@ -12,8 +12,6 @@ #include "../fio.h" -#ifdef FIO_HAVE_POSIXAIO - struct posixaio_data { struct io_u **aio_events; unsigned int queued; @@ -21,13 +19,25 @@ struct posixaio_data { static int fill_timespec(struct timespec *ts) { -#ifdef _POSIX_TIMERS - if (!clock_gettime(CLOCK_MONOTONIC, ts)) +#ifdef CONFIG_CLOCK_GETTIME +#ifdef CONFIG_CLOCK_MONOTONIC + clockid_t clk = CLOCK_MONOTONIC; +#else + clockid_t clk = CLOCK_REALTIME; +#endif + if (!clock_gettime(clk, ts)) return 0; perror("clock_gettime"); -#endif return 1; +#else + struct timeval tv; + + gettimeofday(&tv, NULL); + ts->tv_sec = tv.tv_sec; + ts->tv_nsec = tv.tv_usec * 1000; + return 0; +#endif } static unsigned long long ts_utime_since_now(struct timespec *t) @@ -65,7 +75,7 @@ static int fio_posixaio_cancel(struct thread_data fio_unused *td, static int fio_posixaio_prep(struct thread_data fio_unused *td, struct io_u *io_u) { - struct aiocb *aiocb = &io_u->aiocb; + os_aiocb_t *aiocb = &io_u->aiocb; struct fio_file *f = io_u->file; aiocb->aio_fildes = f->fd; @@ -84,24 +94,27 @@ static int fio_posixaio_getevents(struct thread_data *td, unsigned int min, unsigned int max, struct timespec *t) { struct posixaio_data *pd = td->io_ops->data; - struct aiocb *suspend_list[SUSPEND_ENTRIES]; - struct flist_head *entry; + os_aiocb_t *suspend_list[SUSPEND_ENTRIES]; struct timespec start; int have_timeout = 0; - int suspend_entries = 0; + int suspend_entries; + struct io_u *io_u; unsigned int r; + int i; if (t && !fill_timespec(&start)) have_timeout = 1; + else + memset(&start, 0, sizeof(start)); r = 0; - memset(suspend_list, 0, sizeof(*suspend_list)); restart: - flist_for_each(entry, &td->io_u_busylist) { - struct io_u *io_u = flist_entry(entry, struct io_u, list); + memset(suspend_list, 0, sizeof(*suspend_list)); + suspend_entries = 0; + io_u_qiter(&td->io_u_all, io_u, i) { int err; - if (io_u->seen) + if (io_u->seen || !(io_u->flags & IO_U_F_FLIGHT)) continue; err = aio_error(&io_u->aiocb); @@ -141,7 +154,7 @@ restart: /* * must have some in-flight, wait for at least one */ - aio_suspend((const struct aiocb * const *)suspend_list, + aio_suspend((const os_aiocb_t * const *)suspend_list, suspend_entries, t); goto restart; } @@ -157,7 +170,7 @@ static int fio_posixaio_queue(struct thread_data *td, struct io_u *io_u) { struct posixaio_data *pd = td->io_ops->data; - struct aiocb *aiocb = &io_u->aiocb; + os_aiocb_t *aiocb = &io_u->aiocb; int ret; fio_ro_check(td, io_u); @@ -173,7 +186,7 @@ static int fio_posixaio_queue(struct thread_data *td, do_io_u_trim(td, io_u); return FIO_Q_COMPLETED; } else { -#ifdef FIO_HAVE_POSIXAIO_FSYNC +#ifdef CONFIG_POSIXAIO_FSYNC ret = aio_fsync(O_SYNC, aiocb); #else if (pd->queued) @@ -183,18 +196,20 @@ static int fio_posixaio_queue(struct thread_data *td, return FIO_Q_COMPLETED; #endif } - + if (ret) { + int aio_err = aio_error(aiocb); + /* * At least OSX has a very low limit on the number of pending * IOs, so if it returns EAGAIN, we are out of resources * to queue more. Just return FIO_Q_BUSY to naturally * drop off at this depth. */ - if (errno == EAGAIN) + if (aio_err == EAGAIN) return FIO_Q_BUSY; - io_u->error = errno; + io_u->error = aio_err; td_verror(td, io_u->error, "xfer"); return FIO_Q_COMPLETED; } @@ -240,27 +255,6 @@ static struct ioengine_ops ioengine = { .get_file_size = generic_get_file_size, }; -#else /* FIO_HAVE_POSIXAIO */ - -/* - * When we have a proper configure system in place, we simply wont build - * and install this io engine. For now install a crippled version that - * just complains and fails to load. - */ -static int fio_posixaio_init(struct thread_data fio_unused *td) -{ - log_err("fio: posixaio not available\n"); - return 1; -} - -static struct ioengine_ops ioengine = { - .name = "posixaio", - .version = FIO_IOOPS_VERSION, - .init = fio_posixaio_init, -}; - -#endif - static void fio_init fio_posixaio_register(void) { register_ioengine(&ioengine);