X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=engines%2Flibaio.c;h=bd8ebb8b65553fe1c8067815811b8a9393b788dc;hp=895b914cf7e044c2bd8ba828035cc3aa8700e391;hb=f6db4fa5a64501a3df72c2c4394d4c8d9fd9d991;hpb=2dc1bbeb58edc85f2829eed6729862c438ea2353 diff --git a/engines/libaio.c b/engines/libaio.c index 895b914c..bd8ebb8b 100644 --- a/engines/libaio.c +++ b/engines/libaio.c @@ -11,7 +11,6 @@ #include #include "../fio.h" -#include "../os.h" #ifdef FIO_HAVE_LIBAIO @@ -33,7 +32,7 @@ static int fio_libaio_prep(struct thread_data fio_unused *td, struct io_u *io_u) io_prep_pread(&io_u->iocb, f->fd, io_u->xfer_buf, io_u->xfer_buflen, io_u->offset); else if (io_u->ddir == DDIR_WRITE) io_prep_pwrite(&io_u->iocb, f->fd, io_u->xfer_buf, io_u->xfer_buflen, io_u->offset); - else if (io_u->ddir == DDIR_SYNC) + else if (ddir_sync(io_u->ddir)) io_prep_fsync(&io_u->iocb, f->fd); else return 1; @@ -61,15 +60,15 @@ static struct io_u *fio_libaio_event(struct thread_data *td, int event) return io_u; } -static int fio_libaio_getevents(struct thread_data *td, int min, int max, - struct timespec *t) +static int fio_libaio_getevents(struct thread_data *td, unsigned int min, + unsigned int max, struct timespec *t) { struct libaio_data *ld = td->io_ops->data; - long r; + int r; do { r = io_getevents(ld->aio_ctx, min, max, ld->aio_events, t); - if (r >= min) + if (r >= (int) min) break; else if (r == -EAGAIN) { usleep(100); @@ -87,6 +86,8 @@ static int fio_libaio_queue(struct thread_data *td, struct io_u *io_u) { struct libaio_data *ld = td->io_ops->data; + fio_ro_check(td, io_u); + if (ld->iocbs_nr == (int) td->o.iodepth) return FIO_Q_BUSY; @@ -102,6 +103,13 @@ static int fio_libaio_queue(struct thread_data *td, struct io_u *io_u) if (fsync(io_u->file->fd) < 0) io_u->error = errno; + return FIO_Q_COMPLETED; + } else if (io_u->ddir == DDIR_DATASYNC) { + if (ld->iocbs_nr) + return FIO_Q_BUSY; + if (fdatasync(io_u->file->fd) < 0) + io_u->error = errno; + return FIO_Q_COMPLETED; } @@ -117,6 +125,9 @@ static void fio_libaio_queued(struct thread_data *td, struct io_u **io_us, struct timeval now; unsigned int i; + if (!fio_fill_issue_time(td)) + return; + fio_gettime(&now, NULL); for (i = 0; i < nr; i++) { @@ -132,36 +143,29 @@ static int fio_libaio_commit(struct thread_data *td) struct libaio_data *ld = td->io_ops->data; struct iocb **iocbs; struct io_u **io_us; - int ret, iocbs_nr; + int ret; if (!ld->iocbs_nr) return 0; - iocbs_nr = ld->iocbs_nr; io_us = ld->io_us; iocbs = ld->iocbs; do { - ret = io_submit(ld->aio_ctx, iocbs_nr, iocbs); - if (ret == iocbs_nr) { - fio_libaio_queued(td, io_us, ret); - ret = 0; - break; - } else if (ret > 0) { + ret = io_submit(ld->aio_ctx, ld->iocbs_nr, iocbs); + if (ret > 0) { fio_libaio_queued(td, io_us, ret); + io_u_mark_submit(td, ret); + ld->iocbs_nr -= ret; io_us += ret; iocbs += ret; - iocbs_nr -= ret; - continue; - } else if (ret == -EAGAIN || !ret) - usleep(100); - else if (ret == -EINTR) + ret = 0; + } else if (!ret || ret == -EAGAIN || ret == -EINTR) { + if (!ret) + io_u_mark_submit(td, ret); continue; - else + } else break; - } while (1); - - if (!ret) - ld->iocbs_nr = 0; + } while (ld->iocbs_nr); return ret; } @@ -183,17 +187,20 @@ static void fio_libaio_cleanup(struct thread_data *td) free(ld->iocbs); free(ld->io_us); free(ld); - td->io_ops->data = NULL; } } static int fio_libaio_init(struct thread_data *td) { struct libaio_data *ld = malloc(sizeof(*ld)); + int err; memset(ld, 0, sizeof(*ld)); - if (io_queue_init(td->o.iodepth, &ld->aio_ctx)) { - td_verror(td, errno, "io_queue_init"); + + err = io_queue_init(td->o.iodepth, &ld->aio_ctx); + if (err) { + td_verror(td, -err, "io_queue_init"); + log_err("fio: check /proc/sys/fs/aio-max-nr\n"); free(ld); return 1; } @@ -223,6 +230,7 @@ static struct ioengine_ops ioengine = { .cleanup = fio_libaio_cleanup, .open_file = generic_open_file, .close_file = generic_close_file, + .get_file_size = generic_get_file_size, }; #else /* FIO_HAVE_LIBAIO */