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| author | Pavel Begunkov <asml.silence@gmail.com> | 2022-11-24 19:46:40 +0000 |
|---|---|---|
| committer | Jens Axboe <axboe@kernel.dk> | 2022-11-25 06:11:15 -0700 |
| commit | c3b490930dbe6a6c98d3820f445757ddec1efb08 (patch) | |
| tree | eb026a825df73968ca9a9f62efcc6450c5b70d1d /io_uring | |
| parent | 10d8bc35416d9e83ffe9644478756281c7bd4f52 (diff) | |
| download | linux-c3b490930dbe6a6c98d3820f445757ddec1efb08.tar.bz2 | |
io_uring: don't use complete_post in kbuf
Now we're handling IOPOLL completions more generically, get rid uses of
_post() and send requests through the normal path. It may have some
extra mertis performance wise, but we don't care much as there is a
better interface for selected buffers.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Link: https://lore.kernel.org/r/4deded706587f55b006dc33adf0c13cfc3b2319f.1669310258.git.asml.silence@gmail.com
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'io_uring')
| -rw-r--r-- | io_uring/kbuf.c | 14 |
1 files changed, 5 insertions, 9 deletions
diff --git a/io_uring/kbuf.c b/io_uring/kbuf.c index e8150ed637d8..4a6401080c1f 100644 --- a/io_uring/kbuf.c +++ b/io_uring/kbuf.c @@ -306,14 +306,11 @@ int io_remove_buffers(struct io_kiocb *req, unsigned int issue_flags) if (!bl->buf_nr_pages) ret = __io_remove_buffers(ctx, bl, p->nbufs); } + io_ring_submit_unlock(ctx, issue_flags); if (ret < 0) req_set_fail(req); - - /* complete before unlock, IOPOLL may need the lock */ io_req_set_res(req, ret, 0); - io_req_complete_post(req, 0); - io_ring_submit_unlock(ctx, issue_flags); - return IOU_ISSUE_SKIP_COMPLETE; + return IOU_OK; } int io_provide_buffers_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe) @@ -458,13 +455,12 @@ int io_provide_buffers(struct io_kiocb *req, unsigned int issue_flags) ret = io_add_buffers(ctx, p, bl); err: + io_ring_submit_unlock(ctx, issue_flags); + if (ret < 0) req_set_fail(req); - /* complete before unlock, IOPOLL may need the lock */ io_req_set_res(req, ret, 0); - io_req_complete_post(req, 0); - io_ring_submit_unlock(ctx, issue_flags); - return IOU_ISSUE_SKIP_COMPLETE; + return IOU_OK; } int io_register_pbuf_ring(struct io_ring_ctx *ctx, void __user *arg) |