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authorPavel Begunkov <asml.silence@gmail.com>2024-08-07 15:18:12 +0100
committerJens Axboe <axboe@kernel.dk>2024-08-25 08:27:01 -0600
commitd5cce407e4f59b2e08d03e29d2b3c55deacc1d48 (patch)
treee9a7437627ad8d0ccd5c0d1e4b1924319797e08d /io_uring/napi.h
parent489b80060cf645e958c4755c4b5032f234409f85 (diff)
io_uring/napi: postpone napi timeout adjustment
Remove io_napi_adjust_timeout() and move the adjustments out of the common path into __io_napi_busy_loop(). Now the limit it's calculated based on struct io_wait_queue::timeout, for which we query current time another time. The overhead shouldn't be a problem, it's a polling path, however that can be optimised later by additionally saving the delta time value in io_cqring_wait(). Signed-off-by: Pavel Begunkov <asml.silence@gmail.com> Link: https://lore.kernel.org/r/88e14686e245b3b42ff90a3c4d70895d48676206.1723039801.git.asml.silence@gmail.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring/napi.h')
-rw-r--r--io_uring/napi.h16
1 files changed, 0 insertions, 16 deletions
diff --git a/io_uring/napi.h b/io_uring/napi.h
index 27b88c3eb428..fd275ef0456d 100644
--- a/io_uring/napi.h
+++ b/io_uring/napi.h
@@ -17,8 +17,6 @@ int io_unregister_napi(struct io_ring_ctx *ctx, void __user *arg);
void __io_napi_add(struct io_ring_ctx *ctx, struct socket *sock);
-void __io_napi_adjust_timeout(struct io_ring_ctx *ctx,
- struct io_wait_queue *iowq, ktime_t to_wait);
void __io_napi_busy_loop(struct io_ring_ctx *ctx, struct io_wait_queue *iowq);
int io_napi_sqpoll_busy_poll(struct io_ring_ctx *ctx);
@@ -27,15 +25,6 @@ static inline bool io_napi(struct io_ring_ctx *ctx)
return !list_empty(&ctx->napi_list);
}
-static inline void io_napi_adjust_timeout(struct io_ring_ctx *ctx,
- struct io_wait_queue *iowq,
- ktime_t to_wait)
-{
- if (!io_napi(ctx))
- return;
- __io_napi_adjust_timeout(ctx, iowq, to_wait);
-}
-
static inline void io_napi_busy_loop(struct io_ring_ctx *ctx,
struct io_wait_queue *iowq)
{
@@ -86,11 +75,6 @@ static inline bool io_napi(struct io_ring_ctx *ctx)
static inline void io_napi_add(struct io_kiocb *req)
{
}
-static inline void io_napi_adjust_timeout(struct io_ring_ctx *ctx,
- struct io_wait_queue *iowq,
- ktime_t to_wait)
-{
-}
static inline void io_napi_busy_loop(struct io_ring_ctx *ctx,
struct io_wait_queue *iowq)
{