leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

io_uring: convert cancel path to use io_cmd_type

Browse Source 
Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2022-05-24 09:33:01 -06:00
parent e4a71006ea
commit f38987f09a
1 changed files with 13 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
io_uring/io_uring.c
View File

@ -979,7 +979,6 @@ struct io_kiocb {
*/
struct file *file;
struct io_cmd_data cmd;
struct io_cancel cancel;
struct io_timeout timeout;
struct io_timeout_rem timeout_rem;
struct io_open open;
@ -7699,19 +7698,21 @@ out:
static int io_async_cancel_prep(struct io_kiocb *req,
const struct io_uring_sqe *sqe)
{
struct io_cancel *cancel = io_kiocb_to_cmd(req);
if (unlikely(req->flags & REQ_F_BUFFER_SELECT))
return -EINVAL;
if (sqe->off || sqe->len || sqe->splice_fd_in)
return -EINVAL;
req->cancel.addr = READ_ONCE(sqe->addr);
req->cancel.flags = READ_ONCE(sqe->cancel_flags);
if (req->cancel.flags & ~CANCEL_FLAGS)
cancel->addr = READ_ONCE(sqe->addr);
cancel->flags = READ_ONCE(sqe->cancel_flags);
if (cancel->flags & ~CANCEL_FLAGS)
return -EINVAL;
if (req->cancel.flags & IORING_ASYNC_CANCEL_FD) {
if (req->cancel.flags & IORING_ASYNC_CANCEL_ANY)
if (cancel->flags & IORING_ASYNC_CANCEL_FD) {
if (cancel->flags & IORING_ASYNC_CANCEL_ANY)
return -EINVAL;
req->cancel.fd = READ_ONCE(sqe->fd);
cancel->fd = READ_ONCE(sqe->fd);
}
return 0;
@ -7753,20 +7754,21 @@ static int __io_async_cancel(struct io_cancel_data *cd, struct io_kiocb *req,
static int io_async_cancel(struct io_kiocb *req, unsigned int issue_flags)
{
struct io_cancel *cancel = io_kiocb_to_cmd(req);
struct io_cancel_data cd = {
.ctx = req->ctx,
.data = req->cancel.addr,
.flags = req->cancel.flags,
.data = cancel->addr,
.flags = cancel->flags,
.seq = atomic_inc_return(&req->ctx->cancel_seq),
};
int ret;
if (cd.flags & IORING_ASYNC_CANCEL_FD) {
if (req->flags & REQ_F_FIXED_FILE)
req->file = io_file_get_fixed(req, req->cancel.fd,
req->file = io_file_get_fixed(req, cancel->fd,
issue_flags);
else
req->file = io_file_get_normal(req, req->cancel.fd);
req->file = io_file_get_normal(req, cancel->fd);
if (!req->file) {
ret = -EBADF;
goto done;