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io_uring-6.0-2022-09-18 

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Merge tag 'io_uring-6.0-2022-09-18' of git://git.kernel.dk/linux

Pull io_uring fixes from Jens Axboe:
 "Nothing really major here, but figured it'd be nicer to just get these
  flushed out for -rc6 so that the 6.1 branch will have them as well.
  That'll make our lives easier going forward in terms of development,
  and avoid trivial conflicts in this area.

   - Simple trace rename so that the returned opcode name is consistent
     with the enum definition (Stefan)

   - Send zc rsrc request vs notification lifetime fix (Pavel)"

* tag 'io_uring-6.0-2022-09-18' of git://git.kernel.dk/linux:
  io_uring/opdef: rename SENDZC_NOTIF to SEND_ZC
  io_uring/net: fix zc fixed buf lifetime
This commit is contained in:
Linus Torvalds 2022-09-18 09:25:27 -07:00
parent a335366bad 9bd3f72822
commit 38eddeedbb
2 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
io_uring/net.c
View File

@ -905,15 +905,6 @@ int io_sendzc_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
if (zc->flags & ~(IORING_RECVSEND_POLL_FIRST |
IORING_RECVSEND_FIXED_BUF))
return -EINVAL;
if (zc->flags & IORING_RECVSEND_FIXED_BUF) {
unsigned idx = READ_ONCE(sqe->buf_index);
if (unlikely(idx >= ctx->nr_user_bufs))
return -EFAULT;
idx = array_index_nospec(idx, ctx->nr_user_bufs);
req->imu = READ_ONCE(ctx->user_bufs[idx]);
io_req_set_rsrc_node(req, ctx, 0);
}
notif = zc->notif = io_alloc_notif(ctx);
if (!notif)
return -ENOMEM;
@ -921,6 +912,15 @@ int io_sendzc_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
notif->cqe.res = 0;
notif->cqe.flags = IORING_CQE_F_NOTIF;
req->flags |= REQ_F_NEED_CLEANUP;
if (zc->flags & IORING_RECVSEND_FIXED_BUF) {
unsigned idx = READ_ONCE(sqe->buf_index);
if (unlikely(idx >= ctx->nr_user_bufs))
return -EFAULT;
idx = array_index_nospec(idx, ctx->nr_user_bufs);
req->imu = READ_ONCE(ctx->user_bufs[idx]);
io_req_set_rsrc_node(notif, ctx, 0);
}
zc->buf = u64_to_user_ptr(READ_ONCE(sqe->addr));
zc->len = READ_ONCE(sqe->len);

2
io_uring/opdef.c
View File

@ -471,7 +471,7 @@ const struct io_op_def io_op_defs[] = {
.prep_async = io_uring_cmd_prep_async,
},
[IORING_OP_SEND_ZC] = {
.name = "SENDZC_NOTIF",
.name = "SEND_ZC",
.needs_file = 1,
.unbound_nonreg_file = 1,
.pollout = 1,