#include "openclose.h"
#include "uring_cmd.h"
#include "epoll.h"
+#include "statx.h"
#define IORING_MAX_ENTRIES 32768
#define IORING_MAX_CQ_ENTRIES (2 * IORING_MAX_ENTRIES)
__u16 bid;
};
-struct io_statx {
- struct file *file;
- int dfd;
- unsigned int mask;
- unsigned int flags;
- struct filename *filename;
- struct statx __user *buffer;
-};
-
struct io_shutdown {
struct file *file;
int how;
return -EOPNOTSUPP;
}
-static int io_statx_prep(struct io_kiocb *req, const struct io_uring_sqe *sqe)
-{
- struct io_statx *sx = io_kiocb_to_cmd(req);
- const char __user *path;
-
- if (sqe->buf_index || sqe->splice_fd_in)
- return -EINVAL;
- if (req->flags & REQ_F_FIXED_FILE)
- return -EBADF;
-
- sx->dfd = READ_ONCE(sqe->fd);
- sx->mask = READ_ONCE(sqe->len);
- path = u64_to_user_ptr(READ_ONCE(sqe->addr));
- sx->buffer = u64_to_user_ptr(READ_ONCE(sqe->addr2));
- sx->flags = READ_ONCE(sqe->statx_flags);
-
- sx->filename = getname_flags(path,
- getname_statx_lookup_flags(sx->flags),
- NULL);
-
- if (IS_ERR(sx->filename)) {
- int ret = PTR_ERR(sx->filename);
-
- sx->filename = NULL;
- return ret;
- }
-
- req->flags |= REQ_F_NEED_CLEANUP;
- return 0;
-}
-
-static int io_statx(struct io_kiocb *req, unsigned int issue_flags)
-{
- struct io_statx *sx = io_kiocb_to_cmd(req);
- int ret;
-
- if (issue_flags & IO_URING_F_NONBLOCK)
- return -EAGAIN;
-
- ret = do_statx(sx->dfd, sx->filename, sx->flags, sx->mask, sx->buffer);
- io_req_set_res(req, ret, 0);
- return IOU_OK;
-}
-
-static void io_statx_cleanup(struct io_kiocb *req)
-{
- struct io_statx *sx = io_kiocb_to_cmd(req);
-
- if (sx->filename)
- putname(sx->filename);
-}
-
#if defined(CONFIG_NET)
static int io_shutdown_prep(struct io_kiocb *req,
const struct io_uring_sqe *sqe)