On Mon, Sep 07, 2020 at 01:55:09AM +0800, Zorro Lang wrote:
> IO_URING is a new feature of curent linux kernel, add basic IO_URING
> read/write into fsstess to cover this kind of IO testing.
>
> Signed-off-by: Zorro Lang <zlang@xxxxxxxxxx>
> ---
> README | 4 +-
> configure.ac | 1 +
> include/builddefs.in | 1 +
> ltp/Makefile | 5 ++
> ltp/fsstress.c | 139 ++++++++++++++++++++++++++++++++++++++++-
> m4/Makefile | 1 +
> m4/package_liburing.m4 | 4 ++
> 7 files changed, 152 insertions(+), 3 deletions(-)
> create mode 100644 m4/package_liburing.m4
>
...
> diff --git a/ltp/fsstress.c b/ltp/fsstress.c
> index 709fdeec..2c584ef0 100644
> --- a/ltp/fsstress.c
> +++ b/ltp/fsstress.c
...
> @@ -2170,6 +2189,108 @@ do_aio_rw(int opno, long r, int flags)
> }
> #endif
>
> +#ifdef URING
> +void
> +do_uring_rw(int opno, long r, int flags)
> +{
...
> +
> + uring_out:
> + if (buf)
> + free(buf);
> + if (fd > 0)
Nit: I'd replace this with (fd != -1), but otherwise:
Reviewed-by: Brian Foster <bfoster@xxxxxxxxxx>
> + close(fd);
> + free_pathname(&f);
> +}
> +#endif
> +
> void
> aread_f(int opno, long r)
> {
> @@ -5044,6 +5165,22 @@ unresvsp_f(int opno, long r)
> close(fd);
> }
>
> +void
> +uring_read_f(int opno, long r)
> +{
> +#ifdef URING
> + do_uring_rw(opno, r, O_RDONLY);
> +#endif
> +}
> +
> +void
> +uring_write_f(int opno, long r)
> +{
> +#ifdef URING
> + do_uring_rw(opno, r, O_WRONLY);
> +#endif
> +}
> +
> void
> write_f(int opno, long r)
> {
> diff --git a/m4/Makefile b/m4/Makefile
> index 7fbff822..0352534d 100644
> --- a/m4/Makefile
> +++ b/m4/Makefile
> @@ -14,6 +14,7 @@ LSRCFILES = \
> package_dmapidev.m4 \
> package_globals.m4 \
> package_libcdev.m4 \
> + package_liburing.m4 \
> package_ncurses.m4 \
> package_pthread.m4 \
> package_ssldev.m4 \
> diff --git a/m4/package_liburing.m4 b/m4/package_liburing.m4
> new file mode 100644
> index 00000000..c92cc02a
> --- /dev/null
> +++ b/m4/package_liburing.m4
> @@ -0,0 +1,4 @@
> +AC_DEFUN([AC_PACKAGE_WANT_URING],
> + [ AC_CHECK_HEADERS(liburing.h, [ have_uring=true ], [ have_uring=false ])
> + AC_SUBST(have_uring)
> + ])
> --
> 2.20.1
>
