* [PATCH] io_uring: remove dead 'ctx' argument and move forward declaration
@ 2020-07-09 21:09 Jens Axboe
0 siblings, 0 replies; only message in thread
From: Jens Axboe @ 2020-07-09 21:09 UTC (permalink / raw)
To: io-uring
We don't use 'ctx' at all in io_sq_thread_drop_mm(), it just works
on the mm of the current task. Drop the argument.
Move io_file_put_work() to where we have the other forward declarations
of functions.
Signed-off-by: Jens Axboe <[email protected]>
---
No functional changes, just cleanups I came across while doing other
work.
diff --git a/fs/io_uring.c b/fs/io_uring.c
index 7f2a2cb5c056..3ce02a1613cc 100644
--- a/fs/io_uring.c
+++ b/fs/io_uring.c
@@ -902,6 +902,7 @@ static int io_file_get(struct io_submit_state *state, struct io_kiocb *req,
static void __io_queue_sqe(struct io_kiocb *req,
const struct io_uring_sqe *sqe,
struct io_comp_state *cs);
+static void io_file_put_work(struct work_struct *work);
static ssize_t io_import_iovec(int rw, struct io_kiocb *req,
struct iovec **iovec, struct iov_iter *iter,
@@ -942,7 +943,7 @@ static void __io_put_req_task(struct io_kiocb *req)
put_task_struct(req->task);
}
-static void io_sq_thread_drop_mm(struct io_ring_ctx *ctx)
+static void io_sq_thread_drop_mm(void)
{
struct mm_struct *mm = current->mm;
@@ -977,8 +978,6 @@ static inline void req_set_fail_links(struct io_kiocb *req)
req->flags |= REQ_F_FAIL_LINK;
}
-static void io_file_put_work(struct work_struct *work);
-
/*
* Note: must call io_req_init_async() for the first time you
* touch any members of io_wq_work.
@@ -6339,7 +6338,7 @@ static int io_sq_thread(void *data)
* adding ourselves to the waitqueue, as the unuse/drop
* may sleep.
*/
- io_sq_thread_drop_mm(ctx);
+ io_sq_thread_drop_mm();
/*
* We're polling. If we're within the defined idle
@@ -6410,7 +6409,7 @@ static int io_sq_thread(void *data)
io_run_task_work();
- io_sq_thread_drop_mm(ctx);
+ io_sq_thread_drop_mm();
revert_creds(old_cred);
kthread_parkme();
--
Jens Axboe
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