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| author | Pavel Begunkov <asml.silence@gmail.com> | 2021-03-01 18:20:45 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2021-03-04 06:38:03 -0700 |
| commit | 64c7212391e778949aa3055fb3863439417ddba9 (patch) | |
| tree | e072494598de799f3e67d8bb9c15644781e60b2f | |
| parent | 3e6a0d3c7571ce3ed0d25c5c32543a54a7ebcd75 (diff) | |
| download | linux-64c7212391e778949aa3055fb3863439417ddba9.tar.gz | |
io_uring: choose right tctx->io_wq for try cancel
When we cancel SQPOLL, @task in io_uring_try_cancel_requests() will
differ from current. Use the right tctx from passed in @task, and don't
forget that it can be NULL when the io_uring ctx exits.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | fs/io_uring.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 361befaae28f4b..d6c5465b372b4c 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -8636,7 +8636,8 @@ static void io_uring_try_cancel_requests(struct io_ring_ctx *ctx, struct files_struct *files) { struct io_task_cancel cancel = { .task = task, .files = files, }; - struct io_uring_task *tctx = current->io_uring; + struct task_struct *tctx_task = task ?: current; + struct io_uring_task *tctx = tctx_task->io_uring; while (1) { enum io_wq_cancel cret; |