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author | Jens Axboe <axboe@kernel.dk> | 2022-05-01 20:31:56 +0200 |
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committer | Jens Axboe <axboe@kernel.dk> | 2022-05-09 14:29:06 +0200 |
commit | 7ccba24d3bc084d891def1a6fea504e4cb327a8c (patch) | |
tree | 0f8345528553d5b572b6f963d41d04fcd00479d1 | |
parent | io_uring: eliminate the need to track provided buffer ID separately (diff) | |
download | linux-7ccba24d3bc084d891def1a6fea504e4cb327a8c.tar.xz linux-7ccba24d3bc084d891def1a6fea504e4cb327a8c.zip |
io_uring: don't clear req->kbuf when buffer selection is done
It's not needed as the REQ_F_BUFFER_SELECTED flag tracks the state of
whether or not kbuf is valid, so just drop it.
Suggested-by: Dylan Yudaken <dylany@fb.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
-rw-r--r-- | fs/io_uring.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/fs/io_uring.c b/fs/io_uring.c index 52641594a86b..22699cb359e9 100644 --- a/fs/io_uring.c +++ b/fs/io_uring.c @@ -1463,7 +1463,6 @@ static unsigned int __io_put_kbuf(struct io_kiocb *req, struct list_head *list) { req->flags &= ~REQ_F_BUFFER_SELECTED; list_add(&req->kbuf->list, list); - req->kbuf = NULL; return IORING_CQE_F_BUFFER | (req->buf_index << IORING_CQE_BUFFER_SHIFT); } @@ -1540,7 +1539,6 @@ static void io_kbuf_recycle(struct io_kiocb *req, unsigned issue_flags) list_add(&buf->list, &bl->buf_list); req->flags &= ~REQ_F_BUFFER_SELECTED; req->buf_index = buf->bgid; - req->kbuf = NULL; io_ring_submit_unlock(ctx, issue_flags); } |