io_uring: move statx handling to its own file
[linux-block.git] / io_uring / io_uring.c
index 78828e294e53b73aea62475223e2ac2265866c29..eb01d1aadeb4869dd5eec5ae24b24f26251f0626 100644 (file)
 #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)
@@ -384,15 +385,6 @@ struct io_provide_buf {
        __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;
@@ -4033,58 +4025,6 @@ static __maybe_unused int io_eopnotsupp_prep(struct io_kiocb *kiocb,
        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)