X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=lib%2Fringbuffer%2Fring_buffer_splice.c;h=eca591d80f8447fe69e6760c9902c14ca72ca3cf;hb=9f29d2129980e5b09425d069cd89b253054a9347;hp=8d146667d41c0327c5a5847965fd77bc7ccc2f23;hpb=e2833beda7a9a0eeacb16ef564021a5a43e08189;p=lttng-modules.git diff --git a/lib/ringbuffer/ring_buffer_splice.c b/lib/ringbuffer/ring_buffer_splice.c index 8d146667..eca591d8 100644 --- a/lib/ringbuffer/ring_buffer_splice.c +++ b/lib/ringbuffer/ring_buffer_splice.c @@ -1,26 +1,13 @@ -/* +/* SPDX-License-Identifier: GPL-2.0 + * * ring_buffer_splice.c * * Copyright (C) 2002-2005 - Tom Zanussi , IBM Corp * Copyright (C) 1999-2005 - Karim Yaghmour * Copyright (C) 2008-2012 - Mathieu Desnoyers * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; only - * version 2.1 of the License. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - * * Re-using code from kernel/relay.c, which is why it is licensed under - * the GPLv2. + * the GPL-2.0. */ #include @@ -55,17 +42,38 @@ static void lib_ring_buffer_pipe_buf_release(struct pipe_inode_info *pipe, __free_page(pbuf->page); } +#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,8,0)) +static const struct pipe_buf_operations ring_buffer_pipe_buf_ops = { + .release = lib_ring_buffer_pipe_buf_release, + .try_steal = generic_pipe_buf_try_steal, + .get = generic_pipe_buf_get +}; +#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(5,1,0)) +static const struct pipe_buf_operations ring_buffer_pipe_buf_ops = { + .confirm = generic_pipe_buf_confirm, + .release = lib_ring_buffer_pipe_buf_release, + .steal = generic_pipe_buf_steal, + .get = generic_pipe_buf_get +}; +#elif (LINUX_VERSION_CODE >= KERNEL_VERSION(3,15,0)) +static const struct pipe_buf_operations ring_buffer_pipe_buf_ops = { + .can_merge = 0, + .confirm = generic_pipe_buf_confirm, + .release = lib_ring_buffer_pipe_buf_release, + .steal = generic_pipe_buf_steal, + .get = generic_pipe_buf_get +}; +#else static const struct pipe_buf_operations ring_buffer_pipe_buf_ops = { .can_merge = 0, -#if (LINUX_VERSION_CODE < KERNEL_VERSION(3,15,0)) .map = generic_pipe_buf_map, .unmap = generic_pipe_buf_unmap, -#endif .confirm = generic_pipe_buf_confirm, .release = lib_ring_buffer_pipe_buf_release, .steal = generic_pipe_buf_steal, - .get = generic_pipe_buf_get, + .get = generic_pipe_buf_get }; +#endif /* * Page release operation after splice pipe_to_file ends.