diff options
| author | Pavel Begunkov <asml.silence@gmail.com> | 2020-05-30 14:54:17 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-05-30 07:38:17 -0600 |
| commit | 360428f8c0cd857006a8a3f515946285370489ac (patch) | |
| tree | c6f2e25b9439ea19c9e739ffc1a386caf1086ba5 | |
| parent | 6f88cc176a3358c54bb6c38c8afee3f3a42faf54 (diff) | |
io_uring: move timeouts flushing to a helper
Separate flushing offset timeouts io_commit_cqring() by moving it into a
helper. Just a preparation, makes following patches clearer.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
| -rw-r--r-- | fs/io_uring.c | 34 |
1 files changed, 14 insertions, 20 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index de6547e68626..ffd0ec7a5a7b 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -988,23 +988,6 @@ static inline bool req_need_defer(struct io_kiocb *req) return false; } -static struct io_kiocb *io_get_timeout_req(struct io_ring_ctx *ctx) -{ - struct io_kiocb *req; - - req = list_first_entry_or_null(&ctx->timeout_list, struct io_kiocb, list); - if (req) { - if (req->flags & REQ_F_TIMEOUT_NOSEQ) - return NULL; - if (!__req_need_defer(req)) { - list_del_init(&req->list); - return req; - } - } - - return NULL; -} - static void __io_commit_cqring(struct io_ring_ctx *ctx) { struct io_rings *rings = ctx->rings; @@ -1133,13 +1116,24 @@ static void __io_queue_deferred(struct io_ring_ctx *ctx) } while (!list_empty(&ctx->defer_list)); } -static void io_commit_cqring(struct io_ring_ctx *ctx) +static void io_flush_timeouts(struct io_ring_ctx *ctx) { - struct io_kiocb *req; + while (!list_empty(&ctx->timeout_list)) { + struct io_kiocb *req = list_first_entry(&ctx->timeout_list, + struct io_kiocb, list); - while ((req = io_get_timeout_req(ctx)) != NULL) + if (req->flags & REQ_F_TIMEOUT_NOSEQ) + break; + if (__req_need_defer(req)) + break; + list_del_init(&req->list); io_kill_timeout(req); + } +} +static void io_commit_cqring(struct io_ring_ctx *ctx) +{ + io_flush_timeouts(ctx); __io_commit_cqring(ctx); if (unlikely(!list_empty(&ctx->defer_list))) |