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io_uring: separate the io_free_req and io_free_req_find_next interface

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Similar to the distinction between io_put_req and io_put_req_find_next,
io_free_req has been modified similarly, with no functional changes.

Signed-off-by: Jackie Liu <liuyun01@kylinos.cn>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jackie Liu 2019-11-09 11:00:08 +08:00 committed by Jens Axboe
parent ec9c02ad4c
commit c69f8dbe24
1 changed files with 9 additions and 4 deletions
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13
fs/io_uring.c
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@ -883,7 +883,7 @@ static void io_fail_links(struct io_kiocb *req)
io_cqring_ev_posted(ctx);
}
static void io_free_req(struct io_kiocb *req, struct io_kiocb **nxt)
static void io_free_req_find_next(struct io_kiocb *req, struct io_kiocb **nxt)
{
if (likely(!(req->flags & REQ_F_LINK))) {
__io_free_req(req);
@ -917,6 +917,11 @@ static void io_free_req(struct io_kiocb *req, struct io_kiocb **nxt)
__io_free_req(req);
}
static void io_free_req(struct io_kiocb *req)
{
io_free_req_find_next(req, NULL);
}
/*
* Drop reference to request, return next in chain (if there is one) if this
* was the last reference to this request.
@ -926,7 +931,7 @@ static void io_put_req_find_next(struct io_kiocb *req, struct io_kiocb **nxtptr)
struct io_kiocb *nxt = NULL;
if (refcount_dec_and_test(&req->refs))
io_free_req(req, &nxt);
io_free_req_find_next(req, &nxt);
if (nxt) {
if (nxtptr)
@ -939,7 +944,7 @@ static void io_put_req_find_next(struct io_kiocb *req, struct io_kiocb **nxtptr)
static void io_put_req(struct io_kiocb *req)
{
if (refcount_dec_and_test(&req->refs))
io_free_req(req, NULL);
io_free_req(req);
}
static void io_double_put_req(struct io_kiocb *req)
@ -1006,7 +1011,7 @@ static void io_iopoll_complete(struct io_ring_ctx *ctx, unsigned int *nr_events,
if (to_free == ARRAY_SIZE(reqs))
io_free_req_many(ctx, reqs, &to_free);
} else {
io_free_req(req, NULL);
io_free_req(req);
}
}
}