io_put_req(req);
}
-static struct io_kiocb *__io_complete_rw(struct kiocb *kiocb, long res)
-{
- struct io_kiocb *req = container_of(kiocb, struct io_kiocb, rw.kiocb);
- struct io_kiocb *nxt = NULL;
-
- io_complete_rw_common(kiocb, res);
- io_put_req_find_next(req, &nxt);
-
- return nxt;
-}
-
static void io_complete_rw_iopoll(struct kiocb *kiocb, long res, long res2)
{
struct io_kiocb *req = container_of(kiocb, struct io_kiocb, rw.kiocb);
}
}
-static void kiocb_done(struct kiocb *kiocb, ssize_t ret, struct io_kiocb **nxt)
+static void kiocb_done(struct kiocb *kiocb, ssize_t ret)
{
struct io_kiocb *req = container_of(kiocb, struct io_kiocb, rw.kiocb);
if (req->flags & REQ_F_CUR_POS)
req->file->f_pos = kiocb->ki_pos;
if (ret >= 0 && kiocb->ki_complete == io_complete_rw)
- *nxt = __io_complete_rw(kiocb, ret);
+ io_complete_rw(kiocb, ret, 0);
else
io_rw_done(kiocb, ret);
}
return 0;
}
-static int io_read(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_read(struct io_kiocb *req, bool force_nonblock)
{
struct iovec inline_vecs[UIO_FASTIOV], *iovec = inline_vecs;
struct kiocb *kiocb = &req->rw.kiocb;
/* Catch -EAGAIN return for forced non-blocking submission */
if (!force_nonblock || ret2 != -EAGAIN) {
- kiocb_done(kiocb, ret2, nxt);
+ kiocb_done(kiocb, ret2);
} else {
copy_iov:
ret = io_setup_async_rw(req, io_size, iovec,
return 0;
}
-static int io_write(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_write(struct io_kiocb *req, bool force_nonblock)
{
struct iovec inline_vecs[UIO_FASTIOV], *iovec = inline_vecs;
struct kiocb *kiocb = &req->rw.kiocb;
if (ret2 == -EOPNOTSUPP && (kiocb->ki_flags & IOCB_NOWAIT))
ret2 = -EAGAIN;
if (!force_nonblock || ret2 != -EAGAIN) {
- kiocb_done(kiocb, ret2, nxt);
+ kiocb_done(kiocb, ret2);
} else {
copy_iov:
ret = io_setup_async_rw(req, io_size, iovec,
return !(file->f_mode & O_NONBLOCK);
}
-static int io_splice(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_splice(struct io_kiocb *req, bool force_nonblock)
{
struct io_splice *sp = &req->splice;
struct file *in = sp->file_in;
io_cqring_add_event(req, ret);
if (ret != sp->len)
req_set_fail_links(req);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
return 0;
}
}
}
-static void __io_fsync(struct io_kiocb *req, struct io_kiocb **nxt)
+static void __io_fsync(struct io_kiocb *req)
{
loff_t end = req->sync.off + req->sync.len;
int ret;
if (ret < 0)
req_set_fail_links(req);
io_cqring_add_event(req, ret);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
}
static void io_fsync_finish(struct io_wq_work **workptr)
if (io_req_cancelled(req))
return;
- __io_fsync(req, &nxt);
+ __io_fsync(req);
io_put_req(req); /* drop submission reference */
if (nxt)
io_wq_assign_next(workptr, nxt);
}
-static int io_fsync(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_fsync(struct io_kiocb *req, bool force_nonblock)
{
/* fsync always requires a blocking context */
if (force_nonblock) {
req->work.func = io_fsync_finish;
return -EAGAIN;
}
- __io_fsync(req, nxt);
+ __io_fsync(req);
return 0;
}
-static void __io_fallocate(struct io_kiocb *req, struct io_kiocb **nxt)
+static void __io_fallocate(struct io_kiocb *req)
{
int ret;
if (ret < 0)
req_set_fail_links(req);
io_cqring_add_event(req, ret);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
}
static void io_fallocate_finish(struct io_wq_work **workptr)
if (io_req_cancelled(req))
return;
- __io_fallocate(req, &nxt);
+ __io_fallocate(req);
io_put_req(req); /* drop submission reference */
if (nxt)
io_wq_assign_next(workptr, nxt);
return 0;
}
-static int io_fallocate(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_fallocate(struct io_kiocb *req, bool force_nonblock)
{
/* fallocate always requiring blocking context */
if (force_nonblock) {
return -EAGAIN;
}
- __io_fallocate(req, nxt);
+ __io_fallocate(req);
return 0;
}
return 0;
}
-static int io_openat2(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_openat2(struct io_kiocb *req, bool force_nonblock)
{
struct open_flags op;
struct file *file;
if (ret < 0)
req_set_fail_links(req);
io_cqring_add_event(req, ret);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
return 0;
}
-static int io_openat(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_openat(struct io_kiocb *req, bool force_nonblock)
{
req->open.how = build_open_how(req->open.how.flags, req->open.how.mode);
- return io_openat2(req, nxt, force_nonblock);
+ return io_openat2(req, force_nonblock);
}
static int io_epoll_ctl_prep(struct io_kiocb *req,
#endif
}
-static int io_epoll_ctl(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_epoll_ctl(struct io_kiocb *req, bool force_nonblock)
{
#if defined(CONFIG_EPOLL)
struct io_epoll *ie = &req->epoll;
if (ret < 0)
req_set_fail_links(req);
io_cqring_add_event(req, ret);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
return 0;
#else
return -EOPNOTSUPP;
#endif
}
-static int io_madvise(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_madvise(struct io_kiocb *req, bool force_nonblock)
{
#if defined(CONFIG_ADVISE_SYSCALLS) && defined(CONFIG_MMU)
struct io_madvise *ma = &req->madvise;
if (ret < 0)
req_set_fail_links(req);
io_cqring_add_event(req, ret);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
return 0;
#else
return -EOPNOTSUPP;
return 0;
}
-static int io_fadvise(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_fadvise(struct io_kiocb *req, bool force_nonblock)
{
struct io_fadvise *fa = &req->fadvise;
int ret;
if (ret < 0)
req_set_fail_links(req);
io_cqring_add_event(req, ret);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
return 0;
}
return 0;
}
-static int io_statx(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_statx(struct io_kiocb *req, bool force_nonblock)
{
struct io_open *ctx = &req->open;
unsigned lookup_flags;
if (ret < 0)
req_set_fail_links(req);
io_cqring_add_event(req, ret);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
return 0;
}
}
/* only called when __close_fd_get_file() is done */
-static void __io_close_finish(struct io_kiocb *req, struct io_kiocb **nxt)
+static void __io_close_finish(struct io_kiocb *req)
{
int ret;
req_set_fail_links(req);
io_cqring_add_event(req, ret);
fput(req->close.put_file);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
}
static void io_close_finish(struct io_wq_work **workptr)
struct io_kiocb *nxt = NULL;
/* not cancellable, don't do io_req_cancelled() */
- __io_close_finish(req, &nxt);
+ __io_close_finish(req);
io_put_req(req); /* drop submission reference */
if (nxt)
io_wq_assign_next(workptr, nxt);
}
-static int io_close(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_close(struct io_kiocb *req, bool force_nonblock)
{
int ret;
* No ->flush(), safely close from here and just punt the
* fput() to async context.
*/
- __io_close_finish(req, nxt);
+ __io_close_finish(req);
return 0;
}
return 0;
}
-static void __io_sync_file_range(struct io_kiocb *req, struct io_kiocb **nxt)
+static void __io_sync_file_range(struct io_kiocb *req)
{
int ret;
if (ret < 0)
req_set_fail_links(req);
io_cqring_add_event(req, ret);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
}
if (io_req_cancelled(req))
return;
- __io_sync_file_range(req, &nxt);
+ __io_sync_file_range(req);
io_put_req(req); /* put submission ref */
if (nxt)
io_wq_assign_next(workptr, nxt);
}
-static int io_sync_file_range(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_sync_file_range(struct io_kiocb *req, bool force_nonblock)
{
/* sync_file_range always requires a blocking context */
if (force_nonblock) {
return -EAGAIN;
}
- __io_sync_file_range(req, nxt);
+ __io_sync_file_range(req);
return 0;
}
#endif
}
-static int io_sendmsg(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_sendmsg(struct io_kiocb *req, bool force_nonblock)
{
#if defined(CONFIG_NET)
struct io_async_msghdr *kmsg = NULL;
io_cqring_add_event(req, ret);
if (ret < 0)
req_set_fail_links(req);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
return 0;
#else
return -EOPNOTSUPP;
#endif
}
-static int io_send(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_send(struct io_kiocb *req, bool force_nonblock)
{
#if defined(CONFIG_NET)
struct socket *sock;
io_cqring_add_event(req, ret);
if (ret < 0)
req_set_fail_links(req);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
return 0;
#else
return -EOPNOTSUPP;
#endif
}
-static int io_recvmsg(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_recvmsg(struct io_kiocb *req, bool force_nonblock)
{
#if defined(CONFIG_NET)
struct io_async_msghdr *kmsg = NULL;
io_cqring_add_event(req, ret);
if (ret < 0)
req_set_fail_links(req);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
return 0;
#else
return -EOPNOTSUPP;
#endif
}
-static int io_recv(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_recv(struct io_kiocb *req, bool force_nonblock)
{
#if defined(CONFIG_NET)
struct socket *sock;
io_cqring_add_event(req, ret);
if (ret < 0)
req_set_fail_links(req);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
return 0;
#else
return -EOPNOTSUPP;
}
#if defined(CONFIG_NET)
-static int __io_accept(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int __io_accept(struct io_kiocb *req, bool force_nonblock)
{
struct io_accept *accept = &req->accept;
unsigned file_flags;
if (ret < 0)
req_set_fail_links(req);
io_cqring_add_event(req, ret);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
return 0;
}
if (io_req_cancelled(req))
return;
- __io_accept(req, &nxt, false);
+ __io_accept(req, false);
io_put_req(req); /* drop submission reference */
if (nxt)
io_wq_assign_next(workptr, nxt);
}
#endif
-static int io_accept(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_accept(struct io_kiocb *req, bool force_nonblock)
{
#if defined(CONFIG_NET)
int ret;
- ret = __io_accept(req, nxt, force_nonblock);
+ ret = __io_accept(req, force_nonblock);
if (ret == -EAGAIN && force_nonblock) {
req->work.func = io_accept_finish;
return -EAGAIN;
#endif
}
-static int io_connect(struct io_kiocb *req, struct io_kiocb **nxt,
- bool force_nonblock)
+static int io_connect(struct io_kiocb *req, bool force_nonblock)
{
#if defined(CONFIG_NET)
struct io_async_ctx __io, *io;
if (ret < 0)
req_set_fail_links(req);
io_cqring_add_event(req, ret);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
return 0;
#else
return -EOPNOTSUPP;
return 0;
}
-static int io_poll_add(struct io_kiocb *req, struct io_kiocb **nxt)
+static int io_poll_add(struct io_kiocb *req)
{
struct io_poll_iocb *poll = &req->poll;
struct io_ring_ctx *ctx = req->ctx;
if (mask) {
io_cqring_ev_posted(ctx);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
}
return ipt.error;
}
static void io_async_find_and_cancel(struct io_ring_ctx *ctx,
struct io_kiocb *req, __u64 sqe_addr,
- struct io_kiocb **nxt, int success_ret)
+ int success_ret)
{
unsigned long flags;
int ret;
if (ret < 0)
req_set_fail_links(req);
- io_put_req_find_next(req, nxt);
+ io_put_req(req);
}
static int io_async_cancel_prep(struct io_kiocb *req,
return 0;
}
-static int io_async_cancel(struct io_kiocb *req, struct io_kiocb **nxt)
+static int io_async_cancel(struct io_kiocb *req)
{
struct io_ring_ctx *ctx = req->ctx;
- io_async_find_and_cancel(ctx, req, req->cancel.addr, nxt, 0);
+ io_async_find_and_cancel(ctx, req, req->cancel.addr, 0);
return 0;
}
}
static int io_issue_sqe(struct io_kiocb *req, const struct io_uring_sqe *sqe,
- struct io_kiocb **nxt, bool force_nonblock)
+ bool force_nonblock)
{
struct io_ring_ctx *ctx = req->ctx;
int ret;
if (ret < 0)
break;
}
- ret = io_read(req, nxt, force_nonblock);
+ ret = io_read(req, force_nonblock);
break;
case IORING_OP_WRITEV:
case IORING_OP_WRITE_FIXED:
if (ret < 0)
break;
}
- ret = io_write(req, nxt, force_nonblock);
+ ret = io_write(req, force_nonblock);
break;
case IORING_OP_FSYNC:
if (sqe) {
if (ret < 0)
break;
}
- ret = io_fsync(req, nxt, force_nonblock);
+ ret = io_fsync(req, force_nonblock);
break;
case IORING_OP_POLL_ADD:
if (sqe) {
if (ret)
break;
}
- ret = io_poll_add(req, nxt);
+ ret = io_poll_add(req);
break;
case IORING_OP_POLL_REMOVE:
if (sqe) {
if (ret < 0)
break;
}
- ret = io_sync_file_range(req, nxt, force_nonblock);
+ ret = io_sync_file_range(req, force_nonblock);
break;
case IORING_OP_SENDMSG:
case IORING_OP_SEND:
break;
}
if (req->opcode == IORING_OP_SENDMSG)
- ret = io_sendmsg(req, nxt, force_nonblock);
+ ret = io_sendmsg(req, force_nonblock);
else
- ret = io_send(req, nxt, force_nonblock);
+ ret = io_send(req, force_nonblock);
break;
case IORING_OP_RECVMSG:
case IORING_OP_RECV:
break;
}
if (req->opcode == IORING_OP_RECVMSG)
- ret = io_recvmsg(req, nxt, force_nonblock);
+ ret = io_recvmsg(req, force_nonblock);
else
- ret = io_recv(req, nxt, force_nonblock);
+ ret = io_recv(req, force_nonblock);
break;
case IORING_OP_TIMEOUT:
if (sqe) {
if (ret)
break;
}
- ret = io_accept(req, nxt, force_nonblock);
+ ret = io_accept(req, force_nonblock);
break;
case IORING_OP_CONNECT:
if (sqe) {
if (ret)
break;
}
- ret = io_connect(req, nxt, force_nonblock);
+ ret = io_connect(req, force_nonblock);
break;
case IORING_OP_ASYNC_CANCEL:
if (sqe) {
if (ret)
break;
}
- ret = io_async_cancel(req, nxt);
+ ret = io_async_cancel(req);
break;
case IORING_OP_FALLOCATE:
if (sqe) {
if (ret)
break;
}
- ret = io_fallocate(req, nxt, force_nonblock);
+ ret = io_fallocate(req, force_nonblock);
break;
case IORING_OP_OPENAT:
if (sqe) {
if (ret)
break;
}
- ret = io_openat(req, nxt, force_nonblock);
+ ret = io_openat(req, force_nonblock);
break;
case IORING_OP_CLOSE:
if (sqe) {
if (ret)
break;
}
- ret = io_close(req, nxt, force_nonblock);
+ ret = io_close(req, force_nonblock);
break;
case IORING_OP_FILES_UPDATE:
if (sqe) {
if (ret)
break;
}
- ret = io_statx(req, nxt, force_nonblock);
+ ret = io_statx(req, force_nonblock);
break;
case IORING_OP_FADVISE:
if (sqe) {
if (ret)
break;
}
- ret = io_fadvise(req, nxt, force_nonblock);
+ ret = io_fadvise(req, force_nonblock);
break;
case IORING_OP_MADVISE:
if (sqe) {
if (ret)
break;
}
- ret = io_madvise(req, nxt, force_nonblock);
+ ret = io_madvise(req, force_nonblock);
break;
case IORING_OP_OPENAT2:
if (sqe) {
if (ret)
break;
}
- ret = io_openat2(req, nxt, force_nonblock);
+ ret = io_openat2(req, force_nonblock);
break;
case IORING_OP_EPOLL_CTL:
if (sqe) {
if (ret)
break;
}
- ret = io_epoll_ctl(req, nxt, force_nonblock);
+ ret = io_epoll_ctl(req, force_nonblock);
break;
case IORING_OP_SPLICE:
if (sqe) {
if (ret < 0)
break;
}
- ret = io_splice(req, nxt, force_nonblock);
+ ret = io_splice(req, force_nonblock);
break;
default:
ret = -EINVAL;
if (!ret) {
do {
- ret = io_issue_sqe(req, NULL, &nxt, false);
+ ret = io_issue_sqe(req, NULL, false);
/*
* We can get EAGAIN for polled IO even though we're
* forcing a sync submission from here, since we can't
if (prev) {
req_set_fail_links(prev);
- io_async_find_and_cancel(ctx, req, prev->user_data, NULL,
- -ETIME);
+ io_async_find_and_cancel(ctx, req, prev->user_data, -ETIME);
io_put_req(prev);
} else {
io_cqring_add_event(req, -ETIME);
old_creds = override_creds(req->work.creds);
}
- ret = io_issue_sqe(req, sqe, &nxt, true);
+ ret = io_issue_sqe(req, sqe, true);
/*
* We async punt it if the file wasn't marked NOWAIT, or if the file