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authorJens Axboe <axboe@kernel.dk>2022-06-18 09:23:54 -0600
committerJens Axboe <axboe@kernel.dk>2022-07-24 18:39:15 -0600
commit88f52eaad2df2cb5ab49b864d79398c9cb9a57f2 (patch)
tree1b23112aee3df4a0a3722bf94b1811a5a4f336eb
parent024b8fde3320ea34d7a5a3fc9dbc47ec736cd8eb (diff)
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>
-rw-r--r--io_uring/cancel.c17
-rw-r--r--io_uring/cancel.h2
-rw-r--r--io_uring/timeout.c2
3 files changed, 11 insertions, 10 deletions
diff --git a/io_uring/cancel.c b/io_uring/cancel.c
index d1e7f5a955ab..500ee5f5fd23 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);
diff --git a/io_uring/cancel.h b/io_uring/cancel.h
index 2338012a5b06..1bc7e917ce94 100644
--- a/io_uring/cancel.h
+++ b/io_uring/cancel.h
@@ -16,6 +16,6 @@ struct io_cancel_data {
int io_async_cancel_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe);
int io_async_cancel(struct io_kiocb *req, unsigned int issue_flags);
-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 int issue_flags);
void init_hash_table(struct io_hash_table *table, unsigned size);
diff --git a/io_uring/timeout.c b/io_uring/timeout.c
index 7e2c341f9762..4af074b8f6b7 100644
--- a/io_uring/timeout.c
+++ b/io_uring/timeout.c
@@ -274,7 +274,7 @@ static void io_req_task_link_timeout(struct io_kiocb *req, bool *locked)
.data = prev->cqe.user_data,
};
- ret = io_try_cancel(req, &cd, issue_flags);
+ ret = io_try_cancel(req->task->io_uring, &cd, issue_flags);
}
io_req_set_res(req, ret ?: -ETIME, 0);
io_req_complete_post(req);