[PATCH][TRIVIAL] io_uring: fix four comment typos

[Andrew Bernal <andrewlbernal@gmail.com>]

Fix minor spelling mistakes in io_uring.c:
  - cancelation -> cancellation
  - reuqests -> requests
  - discernable -> discernible
  - cancelations -> cancellations

Signed-off-by: Andrew Bernal <andrewlbernal@gmail.com>
---
 io_uring/io_uring.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 5111ec040c53..6fe489d6ae83 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -409,7 +409,7 @@ static void io_clean_op(struct io_kiocb *req)
 }
 
 /*
- * Mark the request as inflight, so that file cancelation will find it.
+ * Mark the request as inflight, so that file cancellation will find it.
  * Can be used if the file is an io_uring instance, or if the request itself
  * relies on ->mm being alive for the duration of the request.
  */
@@ -1162,7 +1162,7 @@ static void io_req_local_work_add(struct io_kiocb *req, unsigned flags)
 	BUILD_BUG_ON(IO_CQ_WAKE_FORCE <= IORING_MAX_CQ_ENTRIES);
 
 	/*
-	 * We don't know how many reuqests is there in the link and whether
+	 * We don't know how many requests is there in the link and whether
 	 * they can even be queued lazily, fall back to non-lazy.
 	 */
 	if (req->flags & IO_REQ_LINK_FLAGS)
@@ -2856,7 +2856,7 @@ static __cold void io_tctx_exit_cb(struct callback_head *cb)
 	 * When @in_cancel, we're in cancellation and it's racy to remove the
 	 * node. It'll be removed by the end of cancellation, just ignore it.
 	 * tctx can be NULL if the queueing of this task_work raced with
-	 * work cancelation off the exec path.
+	 * work cancellation off the exec path.
 	 */
 	if (tctx && !atomic_read(&tctx->in_cancel))
 		io_uring_del_tctx_node((unsigned long)work->ctx);
@@ -2988,7 +2988,7 @@ static __cold void io_ring_ctx_wait_and_kill(struct io_ring_ctx *ctx)
 	/*
 	 * Use system_unbound_wq to avoid spawning tons of event kworkers
 	 * if we're exiting a ton of rings at the same time. It just adds
-	 * noise and overhead, there's no discernable change in runtime
+	 * noise and overhead, there's no discernible change in runtime
 	 * over using system_wq.
 	 */
 	queue_work(iou_wq, &ctx->exit_work);
@@ -3160,7 +3160,7 @@ __cold void io_uring_cancel_generic(bool cancel_all, struct io_sq_data *sqd)
 		if (!tctx_inflight(tctx, !cancel_all))
 			break;
 
-		/* read completions before cancelations */
+		/* read completions before cancellations */
 		inflight = tctx_inflight(tctx, false);
 		if (!inflight)
 			break;
-- 
2.49.0