[PATCH 3/3] io_uring: kill cached requests from exiting task closing the ring

[Jens Axboe <axboe@kernel.dk>]

Be nice and prune these upfront, in case the ring is being shared and
one of the tasks is going away. This is a bit more important now that
we account the allocations.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
---
 fs/io_uring.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/io_uring.c b/fs/io_uring.c
index 1895fc132252..a9d094f7060f 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -9232,8 +9232,10 @@ static int io_uring_flush(struct file *file, void *data)
 	struct io_uring_task *tctx = current->io_uring;
 	struct io_ring_ctx *ctx = file->private_data;
 
-	if (fatal_signal_pending(current) || (current->flags & PF_EXITING))
+	if (fatal_signal_pending(current) || (current->flags & PF_EXITING)) {
 		io_uring_cancel_task_requests(ctx, NULL);
+		io_req_caches_free(ctx, current);
+	}
 
 	if (!tctx)
 		return 0;
-- 
2.30.0