#include "rsrc.h"
#include "uring_cmd.h"
-static void io_uring_cmd_work(struct io_kiocb *req, bool *locked)
+static void io_uring_cmd_work(struct io_kiocb *req, struct io_tw_state *ts)
{
struct io_uring_cmd *ioucmd = io_kiocb_to_cmd(req, struct io_uring_cmd);
+ unsigned issue_flags = ts->locked ? 0 : IO_URING_F_UNLOCKED;
- ioucmd->task_work_cb(ioucmd);
+ ioucmd->task_work_cb(ioucmd, issue_flags);
}
-void io_uring_cmd_complete_in_task(struct io_uring_cmd *ioucmd,
- void (*task_work_cb)(struct io_uring_cmd *))
+void __io_uring_cmd_do_in_task(struct io_uring_cmd *ioucmd,
+ void (*task_work_cb)(struct io_uring_cmd *, unsigned),
+ unsigned flags)
{
struct io_kiocb *req = cmd_to_io_kiocb(ioucmd);
ioucmd->task_work_cb = task_work_cb;
req->io_task_work.func = io_uring_cmd_work;
- io_req_task_work_add(req);
+ __io_req_task_work_add(req, flags);
}
-EXPORT_SYMBOL_GPL(io_uring_cmd_complete_in_task);
+EXPORT_SYMBOL_GPL(__io_uring_cmd_do_in_task);
+
+void io_uring_cmd_do_in_task_lazy(struct io_uring_cmd *ioucmd,
+ void (*task_work_cb)(struct io_uring_cmd *, unsigned))
+{
+ __io_uring_cmd_do_in_task(ioucmd, task_work_cb, IOU_F_TWQ_LAZY_WAKE);
+}
+EXPORT_SYMBOL_GPL(io_uring_cmd_do_in_task_lazy);
static inline void io_req_set_cqe32_extra(struct io_kiocb *req,
u64 extra1, u64 extra2)
* Called by consumers of io_uring_cmd, if they originally returned
* -EIOCBQUEUED upon receiving the command.
*/
-void io_uring_cmd_done(struct io_uring_cmd *ioucmd, ssize_t ret, ssize_t res2)
+void io_uring_cmd_done(struct io_uring_cmd *ioucmd, ssize_t ret, ssize_t res2,
+ unsigned issue_flags)
{
struct io_kiocb *req = cmd_to_io_kiocb(ioucmd);
io_req_set_res(req, ret, 0);
if (req->ctx->flags & IORING_SETUP_CQE32)
io_req_set_cqe32_extra(req, res2, 0);
- if (req->ctx->flags & IORING_SETUP_IOPOLL)
+ if (req->ctx->flags & IORING_SETUP_IOPOLL) {
/* order with io_iopoll_req_issued() checking ->iopoll_complete */
smp_store_release(&req->iopoll_completed, 1);
- else
- io_req_complete_post(req, 0);
+ } else {
+ struct io_tw_state ts = {
+ .locked = !(issue_flags & IO_URING_F_UNLOCKED),
+ };
+ io_req_task_complete(req, &ts);
+ }
}
EXPORT_SYMBOL_GPL(io_uring_cmd_done);
int io_uring_cmd_prep_async(struct io_kiocb *req)
{
struct io_uring_cmd *ioucmd = io_kiocb_to_cmd(req, struct io_uring_cmd);
- size_t cmd_size;
- BUILD_BUG_ON(uring_cmd_pdu_size(0) != 16);
- BUILD_BUG_ON(uring_cmd_pdu_size(1) != 80);
-
- cmd_size = uring_cmd_pdu_size(req->ctx->flags & IORING_SETUP_SQE128);
-
- memcpy(req->async_data, ioucmd->cmd, cmd_size);
+ memcpy(req->async_data, ioucmd->sqe, uring_sqe_size(req->ctx));
+ ioucmd->sqe = req->async_data;
return 0;
}
req->imu = ctx->user_bufs[index];
io_req_set_rsrc_node(req, ctx, 0);
}
- ioucmd->cmd = sqe->cmd;
+ ioucmd->sqe = sqe;
ioucmd->cmd_op = READ_ONCE(sqe->cmd_op);
return 0;
}
WRITE_ONCE(ioucmd->cookie, NULL);
}
- if (req_has_async_data(req))
- ioucmd->cmd = req->async_data;
-
ret = file->f_op->uring_cmd(ioucmd, issue_flags);
if (ret == -EAGAIN) {
if (!req_has_async_data(req)) {