io_uring: split io_req_complete_post() and add a helper
Split io_req_complete_post(), this is a prep for the next patch. Signed-off-by: Hao Xu <haoxu@linux.alibaba.com> Link: https://lore.kernel.org/r/20211207093951.247840-5-haoxu@linux.alibaba.com Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Коммит
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@ -1891,12 +1891,11 @@ static noinline bool io_fill_cqe_aux(struct io_ring_ctx *ctx, u64 user_data,
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return __io_fill_cqe(ctx, user_data, res, cflags);
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}
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static void io_req_complete_post(struct io_kiocb *req, s32 res,
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u32 cflags)
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static void __io_req_complete_post(struct io_kiocb *req, s32 res,
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u32 cflags)
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{
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struct io_ring_ctx *ctx = req->ctx;
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spin_lock(&ctx->completion_lock);
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if (!(req->flags & REQ_F_CQE_SKIP))
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__io_fill_cqe(ctx, req->user_data, res, cflags);
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/*
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@ -1918,6 +1917,15 @@ static void io_req_complete_post(struct io_kiocb *req, s32 res,
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wq_list_add_head(&req->comp_list, &ctx->locked_free_list);
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ctx->locked_free_nr++;
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}
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}
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static void io_req_complete_post(struct io_kiocb *req, s32 res,
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u32 cflags)
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{
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struct io_ring_ctx *ctx = req->ctx;
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spin_lock(&ctx->completion_lock);
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__io_req_complete_post(req, res, cflags);
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io_commit_cqring(ctx);
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spin_unlock(&ctx->completion_lock);
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io_cqring_ev_posted(ctx);
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