From: Dylan Yudaken <[email protected]>
To: Jens Axboe <[email protected]>,
Pavel Begunkov <[email protected]>,
<[email protected]>
Cc: <[email protected]>, <[email protected]>,
Dylan Yudaken <[email protected]>
Subject: [PATCH v2 for-next 02/12] io_uring: restore bgid in io_put_kbuf
Date: Thu, 30 Jun 2022 02:12:21 -0700 [thread overview]
Message-ID: <[email protected]> (raw)
In-Reply-To: <[email protected]>
Attempt to restore bgid. This is needed when recycling unused buffers as
the next time around it will want the correct bgid.
Signed-off-by: Dylan Yudaken <[email protected]>
---
io_uring/kbuf.h | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/io_uring/kbuf.h b/io_uring/kbuf.h
index 3d48f1ab5439..d9adedac5e9d 100644
--- a/io_uring/kbuf.h
+++ b/io_uring/kbuf.h
@@ -96,16 +96,21 @@ static inline void io_kbuf_recycle(struct io_kiocb *req, unsigned issue_flags)
static inline unsigned int __io_put_kbuf_list(struct io_kiocb *req,
struct list_head *list)
{
+ unsigned int ret = IORING_CQE_F_BUFFER | (req->buf_index << IORING_CQE_BUFFER_SHIFT);
+
if (req->flags & REQ_F_BUFFER_RING) {
- if (req->buf_list)
+ if (req->buf_list) {
+ req->buf_index = req->buf_list->bgid;
req->buf_list->head++;
+ }
req->flags &= ~REQ_F_BUFFER_RING;
} else {
+ req->buf_index = req->kbuf->bgid;
list_add(&req->kbuf->list, list);
req->flags &= ~REQ_F_BUFFER_SELECTED;
}
- return IORING_CQE_F_BUFFER | (req->buf_index << IORING_CQE_BUFFER_SHIFT);
+ return ret;
}
static inline unsigned int io_put_kbuf_comp(struct io_kiocb *req)
--
2.30.2
next prev parent reply other threads:[~2022-06-30 9:14 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-06-30 9:12 [PATCH v2 for-next 00/12] io_uring: multishot recv Dylan Yudaken
2022-06-30 9:12 ` Dylan Yudaken
2022-06-30 9:12 ` [PATCH v2 for-next 01/12] io_uring: allow 0 length for buffer select Dylan Yudaken
2022-06-30 9:12 ` Dylan Yudaken [this message]
2022-06-30 9:12 ` [PATCH v2 for-next 03/12] io_uring: allow iov_len = 0 for recvmsg and " Dylan Yudaken
2022-06-30 9:12 ` [PATCH v2 for-next 04/12] io_uring: recycle buffers on error Dylan Yudaken
2022-06-30 9:12 ` [PATCH v2 for-next 05/12] io_uring: clean up io_poll_check_events return values Dylan Yudaken
2022-06-30 9:12 ` [PATCH v2 for-next 06/12] io_uring: add IOU_STOP_MULTISHOT return code Dylan Yudaken
2022-06-30 9:12 ` [PATCH v2 for-next 07/12] io_uring: add allow_overflow to io_post_aux_cqe Dylan Yudaken
2022-06-30 9:12 ` [PATCH v2 for-next 08/12] io_uring: fix multishot poll on overflow Dylan Yudaken
2022-06-30 9:12 ` [PATCH v2 for-next 09/12] io_uring: fix multishot accept ordering Dylan Yudaken
2022-06-30 9:12 ` [PATCH v2 for-next 10/12] io_uring: multishot recv Dylan Yudaken
2022-06-30 9:12 ` [PATCH v2 for-next 11/12] io_uring: fix io_uring_cqe_overflow trace format Dylan Yudaken
2022-06-30 9:12 ` [PATCH v2 for-next 12/12] io_uring: only trace one of complete or overflow Dylan Yudaken
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