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authorPavel Begunkov <asml.silence@gmail.com>2024-01-17 00:57:28 +0000
committerJens Axboe <axboe@kernel.dk>2024-01-17 09:45:24 -0700
commite8c407717b4814dac5641d93cbbbb9fc394f7cf0 (patch)
treee81a08697ed01dd070a6d565ef4e8772bb13db5d /io_uring
parentd381099f980b5f6c3c7e150baf13b0aaefc66c29 (diff)
io_uring: clean *local_work_add var naming
if (!first) { ... } While it reads as do something if it's not the first entry, it does exactly the opposite because "first" here is a pointer to the first entry. Remove the confusion by renaming it into "head". Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/3b8be483b52f58a524185bb88694b8a268e7e85d.1705438669.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring')
-rw-r--r--io_uring/io_uring.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index 3ab7e6a46149..3508198d17ba 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -1304,16 +1304,16 @@ static inline void io_req_local_work_add(struct io_kiocb *req, unsigned flags)
{
struct io_ring_ctx *ctx = req->ctx;
unsigned nr_wait, nr_tw, nr_tw_prev;
- struct llist_node *first;
+ struct llist_node *head;
if (req->flags & (REQ_F_LINK | REQ_F_HARDLINK))
flags &= ~IOU_F_TWQ_LAZY_WAKE;
- first = READ_ONCE(ctx->work_llist.first);
+ head = READ_ONCE(ctx->work_llist.first);
do {
nr_tw_prev = 0;
- if (first) {
- struct io_kiocb *first_req = container_of(first,
+ if (head) {
+ struct io_kiocb *first_req = container_of(head,
struct io_kiocb,
io_task_work.node);
/*
@@ -1328,8 +1328,8 @@ static inline void io_req_local_work_add(struct io_kiocb *req, unsigned flags)
nr_tw = INT_MAX;
req->nr_tw = nr_tw;
- req->io_task_work.node.next = first;
- } while (!try_cmpxchg(&ctx->work_llist.first, &first,
+ req->io_task_work.node.next = head;
+ } while (!try_cmpxchg(&ctx->work_llist.first, &head,
&req->io_task_work.node));
/*
@@ -1340,7 +1340,7 @@ static inline void io_req_local_work_add(struct io_kiocb *req, unsigned flags)
* is similar to the wait/wawke task state sync.
*/
- if (!first) {
+ if (!head) {
if (ctx->flags & IORING_SETUP_TASKRUN_FLAG)
atomic_or(IORING_SQ_TASKRUN, &ctx->rings->sq_flags);
if (ctx->has_evfd)