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authorJens Axboe <axboe@kernel.dk>2021-04-15 09:52:40 -0600
committerJens Axboe <axboe@kernel.dk>2021-04-16 09:47:02 -0600
commit75652a30ff67539999148859da071ede862090ca (patch)
treeffb530e245f15edb43d4cdb12cac1fe614d65ba8 /fs/io_uring.c
parent4e3d9ff905cd3e6fc80a1f54b89c3aca67bc72be (diff)
io_uring: tie req->apoll to request lifetime
We manage these separately right now, just tie it to the request lifetime and make it be part of the usual REQ_F_NEED_CLEANUP logic. Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/io_uring.c')
-rw-r--r--fs/io_uring.c17
1 files changed, 7 insertions, 10 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 8e6dcb69f3e9..10b2367138be 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -1600,7 +1600,8 @@ static void io_req_complete_post(struct io_kiocb *req, long res,
static inline bool io_req_needs_clean(struct io_kiocb *req)
{
- return req->flags & (REQ_F_BUFFER_SELECTED | REQ_F_NEED_CLEANUP);
+ return req->flags & (REQ_F_BUFFER_SELECTED | REQ_F_NEED_CLEANUP |
+ REQ_F_POLLED);
}
static void io_req_complete_state(struct io_kiocb *req, long res,
@@ -5038,9 +5039,6 @@ static void io_async_task_func(struct callback_head *cb)
__io_req_task_submit(req);
else
io_req_complete_failed(req, -ECANCELED);
-
- kfree(apoll->double_poll);
- kfree(apoll);
}
static int io_async_wake(struct wait_queue_entry *wait, unsigned mode, int sync,
@@ -5156,8 +5154,6 @@ static bool io_arm_poll_handler(struct io_kiocb *req)
if (ret || ipt.error) {
io_poll_remove_double(req);
spin_unlock_irq(&ctx->completion_lock);
- kfree(apoll->double_poll);
- kfree(apoll);
return false;
}
spin_unlock_irq(&ctx->completion_lock);
@@ -5195,12 +5191,8 @@ static bool io_poll_remove_waitqs(struct io_kiocb *req)
do_complete = __io_poll_remove_one(req, io_poll_get_single(req), true);
if (req->opcode != IORING_OP_POLL_ADD && do_complete) {
- struct async_poll *apoll = req->apoll;
-
/* non-poll requests have submit ref still */
req_ref_put(req);
- kfree(apoll->double_poll);
- kfree(apoll);
}
return do_complete;
}
@@ -6054,6 +6046,11 @@ static void io_clean_op(struct io_kiocb *req)
}
req->flags &= ~REQ_F_NEED_CLEANUP;
}
+ if ((req->flags & REQ_F_POLLED) && req->apoll) {
+ kfree(req->apoll->double_poll);
+ kfree(req->apoll);
+ req->apoll = NULL;
+ }
}
static int io_issue_sqe(struct io_kiocb *req, unsigned int issue_flags)