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| author | Pavel Begunkov <asml.silence@gmail.com> | 2020-07-13 23:37:11 +0300 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2020-07-24 12:55:44 -0600 |
| commit | 40d8ddd4facb80760d5a0c61a7cf026d5ff73ff0 (patch) | |
| tree | b09538c2f449a093844e90d8015838279cb70f6f /fs/io_uring.c | |
| parent | d21ffe7eca82d47b489760899912f81e30456e2e (diff) | |
| download | linux-40d8ddd4facb80760d5a0c61a7cf026d5ff73ff0.tar.bz2 | |
io_uring: use completion list for CQ overflow
As with the completion path, also use compl.list for overflowed
requests. If cleaned up properly, nobody needs per-op data there
anymore.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'fs/io_uring.c')
| -rw-r--r-- | fs/io_uring.c | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 8a89480a57ec..2122b37e68e3 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1339,8 +1339,8 @@ static bool io_cqring_overflow_flush(struct io_ring_ctx *ctx, bool force) break; req = list_first_entry(&ctx->cq_overflow_list, struct io_kiocb, - list); - list_move(&req->list, &list); + compl.list); + list_move(&req->compl.list, &list); req->flags &= ~REQ_F_OVERFLOW; if (cqe) { WRITE_ONCE(cqe->user_data, req->user_data); @@ -1362,8 +1362,8 @@ static bool io_cqring_overflow_flush(struct io_ring_ctx *ctx, bool force) io_cqring_ev_posted(ctx); while (!list_empty(&list)) { - req = list_first_entry(&list, struct io_kiocb, list); - list_del(&req->list); + req = list_first_entry(&list, struct io_kiocb, compl.list); + list_del(&req->compl.list); io_put_req(req); } @@ -1396,11 +1396,12 @@ static void __io_cqring_fill_event(struct io_kiocb *req, long res, long cflags) set_bit(0, &ctx->cq_check_overflow); ctx->rings->sq_flags |= IORING_SQ_CQ_OVERFLOW; } + io_clean_op(req); req->flags |= REQ_F_OVERFLOW; - refcount_inc(&req->refs); req->result = res; req->cflags = cflags; - list_add_tail(&req->list, &ctx->cq_overflow_list); + refcount_inc(&req->refs); + list_add_tail(&req->compl.list, &ctx->cq_overflow_list); } } @@ -7835,7 +7836,7 @@ static void io_uring_cancel_files(struct io_ring_ctx *ctx, if (cancel_req->flags & REQ_F_OVERFLOW) { spin_lock_irq(&ctx->completion_lock); - list_del(&cancel_req->list); + list_del(&cancel_req->compl.list); cancel_req->flags &= ~REQ_F_OVERFLOW; if (list_empty(&ctx->cq_overflow_list)) { clear_bit(0, &ctx->sq_check_overflow); |