X-Git-Url: https://git.kernel.dk/?p=fio.git;a=blobdiff_plain;f=engines%2Fsplice.c;h=5c4411cce3bcdfdecdfe3f40a5b2e0d3530fd66a;hp=fa4a6ee1db21ff192d811f1a95dfacc05de35483;hb=faf5c880f6ddcd44ff896ba1cf3da38b23fe0f39;hpb=f8fe35e8c9e88dd681ea151251d75f6116a958b4 diff --git a/engines/splice.c b/engines/splice.c index fa4a6ee1..5c4411cc 100644 --- a/engines/splice.c +++ b/engines/splice.c @@ -15,34 +15,9 @@ #ifdef FIO_HAVE_SPLICE struct spliceio_data { - struct io_u *last_io_u; int pipe[2]; }; -static int fio_spliceio_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_spliceio_event(struct thread_data *td, int event) -{ - struct spliceio_data *sd = td->io_ops->data; - - assert(event == 0); - - return sd->last_io_u; -} - /* * For splice reading, we unfortunately cannot (yet) vmsplice the other way. * So just splice the data from the file into the pipe, and use regular @@ -57,8 +32,8 @@ static int fio_splice_read(struct thread_data *td, struct io_u *io_u) void *p; offset = io_u->offset; - buflen = io_u->buflen; - p = io_u->buf; + buflen = io_u->xfer_buflen; + p = io_u->xfer_buf; while (buflen) { int this_len = buflen; @@ -85,7 +60,7 @@ static int fio_splice_read(struct thread_data *td, struct io_u *io_u) } } - return io_u->buflen; + return io_u->xfer_buflen; } /* @@ -97,8 +72,8 @@ static int fio_splice_write(struct thread_data *td, struct io_u *io_u) struct spliceio_data *sd = td->io_ops->data; struct iovec iov[1] = { { - .iov_base = io_u->buf, - .iov_len = io_u->buflen, + .iov_base = io_u->xfer_buf, + .iov_len = io_u->xfer_buflen, } }; struct pollfd pfd = { .fd = sd->pipe[1], .events = POLLOUT, }; @@ -126,13 +101,12 @@ static int fio_splice_write(struct thread_data *td, struct io_u *io_u) } } - return io_u->buflen; + return io_u->xfer_buflen; } static int fio_spliceio_queue(struct thread_data *td, struct io_u *io_u) { - struct spliceio_data *sd = td->io_ops->data; - unsigned int ret; + int ret; if (io_u->ddir == DDIR_READ) ret = fio_splice_read(td, io_u); @@ -141,18 +115,19 @@ static int fio_spliceio_queue(struct thread_data *td, struct io_u *io_u) else ret = fsync(io_u->file->fd); - if (ret != io_u->buflen) { - if (ret > 0) { - io_u->resid = io_u->buflen - ret; - io_u->error = ENODATA; + if (ret != (int) io_u->xfer_buflen) { + if (ret >= 0) { + io_u->resid = io_u->xfer_buflen - ret; + io_u->error = 0; + return FIO_Q_COMPLETED; } else io_u->error = errno; } - if (!io_u->error) - sd->last_io_u = io_u; + if (io_u->error) + td_verror(td, io_u->error); - return io_u->error; + return FIO_Q_COMPLETED; } static void fio_spliceio_cleanup(struct thread_data *td) @@ -171,7 +146,6 @@ static int fio_spliceio_init(struct thread_data *td) { struct spliceio_data *sd = malloc(sizeof(*sd)); - sd->last_io_u = NULL; if (pipe(sd->pipe) < 0) { td_verror(td, errno); free(sd); @@ -187,8 +161,6 @@ static struct ioengine_ops ioengine = { .version = FIO_IOOPS_VERSION, .init = fio_spliceio_init, .queue = fio_spliceio_queue, - .getevents = fio_spliceio_getevents, - .event = fio_spliceio_event, .cleanup = fio_spliceio_cleanup, .flags = FIO_SYNCIO, };