diff options
| author | Jens Axboe <axboe@kernel.dk> | 2022-06-18 09:23:54 -0600 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-07-24 18:39:15 -0600 |
| commit | 88f52eaad2df2cb5ab49b864d79398c9cb9a57f2 (patch) | |
| tree | 1b23112aee3df4a0a3722bf94b1811a5a4f336eb /io_uring/cancel.c | |
| parent | 024b8fde3320ea34d7a5a3fc9dbc47ec736cd8eb (diff) | |
| download | linux-88f52eaad2df2cb5ab49b864d79398c9cb9a57f2.tar.gz | |
io_uring: have cancelation API accept io_uring_task directly
We just use the io_kiocb passed in to find the io_uring_task, and we
already pass in the ctx via cd->ctx anyway.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/cancel.c')
| -rw-r--r-- | io_uring/cancel.c | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/io_uring/cancel.c b/io_uring/cancel.c index d1e7f5a955ab2..500ee5f5fd23c 100644 --- a/io_uring/cancel.c +++ b/io_uring/cancel.c @@ -77,15 +77,15 @@ static int io_async_cancel_one(struct io_uring_task *tctx, return ret; } -int io_try_cancel(struct io_kiocb *req, struct io_cancel_data *cd, +int io_try_cancel(struct io_uring_task *tctx, struct io_cancel_data *cd, unsigned issue_flags) { - struct io_ring_ctx *ctx = req->ctx; + struct io_ring_ctx *ctx = cd->ctx; int ret; - WARN_ON_ONCE(!io_wq_current_is_worker() && req->task != current); + WARN_ON_ONCE(!io_wq_current_is_worker() && tctx != current->io_uring); - ret = io_async_cancel_one(req->task->io_uring, cd); + ret = io_async_cancel_one(tctx, cd); /* * Fall-through even for -EALREADY, as we may have poll armed * that need unarming. @@ -104,7 +104,6 @@ int io_try_cancel(struct io_kiocb *req, struct io_cancel_data *cd, return ret; } - int io_async_cancel_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) { struct io_cancel *cancel = io_kiocb_to_cmd(req); @@ -127,7 +126,8 @@ int io_async_cancel_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) return 0; } -static int __io_async_cancel(struct io_cancel_data *cd, struct io_kiocb *req, +static int __io_async_cancel(struct io_cancel_data *cd, + struct io_uring_task *tctx, unsigned int issue_flags) { bool all = cd->flags & (IORING_ASYNC_CANCEL_ALL|IORING_ASYNC_CANCEL_ANY); @@ -136,7 +136,7 @@ static int __io_async_cancel(struct io_cancel_data *cd, struct io_kiocb *req, int ret, nr = 0; do { - ret = io_try_cancel(req, cd, issue_flags); + ret = io_try_cancel(tctx, cd, issue_flags); if (ret == -ENOENT) break; if (!all) @@ -170,6 +170,7 @@ int io_async_cancel(struct io_kiocb *req, unsigned int issue_flags) .flags = cancel->flags, .seq = atomic_inc_return(&req->ctx->cancel_seq), }; + struct io_uring_task *tctx = req->task->io_uring; int ret; if (cd.flags & IORING_ASYNC_CANCEL_FD) { @@ -185,7 +186,7 @@ int io_async_cancel(struct io_kiocb *req, unsigned int issue_flags) cd.file = req->file; } - ret = __io_async_cancel(&cd, req, issue_flags); + ret = __io_async_cancel(&cd, tctx, issue_flags); done: if (ret < 0) req_set_fail(req); |