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io_uring: kill cached requests from exiting task closing the ring

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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>
This commit is contained in:
Jens Axboe 2021-02-13 09:11:04 -07:00
parent 9a4fdbd8ee
commit 41be53e94f
1 changed files with 3 additions and 1 deletions
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4
fs/io_uring.c
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@ -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;