diff options
| author | Kanchan Joshi <joshi.k@samsung.com> | 2022-08-23 19:14:41 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-09-21 19:30:42 +0300 |
| commit | 5756a3a7e713bcab705a5f0c810a2b1f7f4ecfaa (patch) | |
| tree | 1052175b9867cc3e94bb2ad5bfdee560dcc0ba72 /io_uring/io_uring.c | |
| parent | de27e18e86173b704beaa19f0ee376f3305c4794 (diff) | |
| download | linux-5756a3a7e713bcab705a5f0c810a2b1f7f4ecfaa.tar.xz | |
io_uring: add iopoll infrastructure for io_uring_cmd
Put this up in the same way as iopoll is done for regular read/write IO.
Make place for storing a cookie into struct io_uring_cmd on submission.
Perform the completion using the ->uring_cmd_iopoll handler.
Signed-off-by: Kanchan Joshi <joshi.k@samsung.com>
Signed-off-by: Pankaj Raghav <p.raghav@samsung.com>
Link: https://lore.kernel.org/r/20220823161443.49436-3-joshi.k@samsung.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/io_uring.c')
| -rw-r--r-- | io_uring/io_uring.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index d99b31aa03ab..31ac87ee17b2 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -1433,6 +1433,12 @@ static int io_iopoll_check(struct io_ring_ctx *ctx, long min) wq_list_empty(&ctx->iopoll_list)) break; } + + if (task_work_pending(current)) { + mutex_unlock(&ctx->uring_lock); + io_run_task_work(); + mutex_lock(&ctx->uring_lock); + } ret = io_do_iopoll(ctx, !min); if (ret < 0) break; |