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io_uring: add CQE32 completion processing 

This adds the completion processing for the large CQE's and makes sure
that the extra1 and extra2 fields are passed through.

Co-developed-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Stefan Roesch <shr@fb.com>
Reviewed-by: Kanchan Joshi <joshi.k@samsung.com>
Link: https://lore.kernel.org/r/20220426182134.136504-6-shr@fb.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Stefan Roesch 2022-04-26 11:21:27 -07:00 committed by Jens Axboe
parent 916587984f
commit effcf8bdeb
1 changed files with 45 additions and 8 deletions
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53
fs/io_uring.c
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@ -2407,18 +2407,15 @@ static noinline bool io_fill_cqe_aux(struct io_ring_ctx *ctx, u64 user_data,
return __io_fill_cqe(ctx, user_data, res, cflags);
}
static void __io_req_complete_post(struct io_kiocb *req, s32 res,
u32 cflags)
static void __io_req_complete_put(struct io_kiocb *req)
{
struct io_ring_ctx *ctx = req->ctx;
if (!(req->flags & REQ_F_CQE_SKIP))
__io_fill_cqe_req(req, res, cflags);
/*
* If we're the last reference to this request, add to our locked
* free_list cache.
*/
if (req_ref_put_and_test(req)) {
struct io_ring_ctx *ctx = req->ctx;
if (req->flags & IO_REQ_LINK_FLAGS) {
if (req->flags & IO_DISARM_MASK)
io_disarm_next(req);
@ -2441,8 +2438,23 @@ static void __io_req_complete_post(struct io_kiocb *req, s32 res,
}
}
static void io_req_complete_post(struct io_kiocb *req, s32 res,
u32 cflags)
static void __io_req_complete_post(struct io_kiocb *req, s32 res,
u32 cflags)
{
if (!(req->flags & REQ_F_CQE_SKIP))
__io_fill_cqe_req(req, res, cflags);
__io_req_complete_put(req);
}
static void __io_req_complete_post32(struct io_kiocb *req, s32 res,
u32 cflags, u64 extra1, u64 extra2)
{
if (!(req->flags & REQ_F_CQE_SKIP))
__io_fill_cqe32_req(req, res, cflags, extra1, extra2);
__io_req_complete_put(req);
}
static void io_req_complete_post(struct io_kiocb *req, s32 res, u32 cflags)
{
struct io_ring_ctx *ctx = req->ctx;
@ -2453,6 +2465,18 @@ static void io_req_complete_post(struct io_kiocb *req, s32 res,
io_cqring_ev_posted(ctx);
}
static void io_req_complete_post32(struct io_kiocb *req, s32 res,
u32 cflags, u64 extra1, u64 extra2)
{
struct io_ring_ctx *ctx = req->ctx;
spin_lock(&ctx->completion_lock);
__io_req_complete_post32(req, res, cflags, extra1, extra2);
io_commit_cqring(ctx);
spin_unlock(&ctx->completion_lock);
io_cqring_ev_posted(ctx);
}
static inline void io_req_complete_state(struct io_kiocb *req, s32 res,
u32 cflags)
{
@ -2470,6 +2494,19 @@ static inline void __io_req_complete(struct io_kiocb *req, unsigned issue_flags,
io_req_complete_post(req, res, cflags);
}
static inline void __io_req_complete32(struct io_kiocb *req,
unsigned int issue_flags, s32 res,
u32 cflags, u64 extra1, u64 extra2)
{
if (issue_flags & IO_URING_F_COMPLETE_DEFER) {
io_req_complete_state(req, res, cflags);
req->extra1 = extra1;
req->extra2 = extra2;
} else {
io_req_complete_post32(req, res, cflags, extra1, extra2);
}
}
static inline void io_req_complete(struct io_kiocb *req, s32 res)
{
__io_req_complete(req, 0, res, 0);