Lines Matching refs:tail_page
422 struct buffer_page *tail_page; member
496 struct buffer_page *tail_page; /* write to tail */ member
1299 struct buffer_page *tail_page, in rb_tail_page_update() argument
1329 if (tail_page == READ_ONCE(cpu_buffer->tail_page)) { in rb_tail_page_update()
1355 (void)cmpxchg(&cpu_buffer->tail_page, tail_page, next_page); in rb_tail_page_update()
1568 cpu_buffer->tail_page = cpu_buffer->commit_page = cpu_buffer->head_page; in rb_allocate_cpu_buffer()
1734 struct list_head *tail_page, *to_remove, *next_page; in rb_remove_pages() local
1754 tail_page = &cpu_buffer->tail_page->list; in rb_remove_pages()
1760 if (cpu_buffer->tail_page == cpu_buffer->reader_page) in rb_remove_pages()
1761 tail_page = rb_list_head(tail_page->next); in rb_remove_pages()
1762 to_remove = tail_page; in rb_remove_pages()
1780 tail_page->next = (struct list_head *)((unsigned long)next_page | in rb_remove_pages()
1783 next_page->prev = tail_page; in rb_remove_pages()
2279 struct buffer_page *tail_page, in rb_handle_head_page() argument
2294 type = rb_head_page_set_update(cpu_buffer, next_page, tail_page, in rb_handle_head_page()
2402 buffer_tail_page = READ_ONCE(cpu_buffer->tail_page); in rb_handle_head_page()
2407 if (buffer_tail_page != tail_page && in rb_handle_head_page()
2421 tail_page, in rb_handle_head_page()
2435 struct buffer_page *tail_page = info->tail_page; in rb_reset_tail() local
2450 tail_page->real_end = 0; in rb_reset_tail()
2452 local_sub(length, &tail_page->write); in rb_reset_tail()
2456 event = __rb_page_index(tail_page, tail); in rb_reset_tail()
2466 tail_page->real_end = tail; in rb_reset_tail()
2486 local_sub(length, &tail_page->write); in rb_reset_tail()
2498 local_sub(length, &tail_page->write); in rb_reset_tail()
2510 struct buffer_page *tail_page = info->tail_page; in rb_move_tail() local
2516 next_page = tail_page; in rb_move_tail()
2544 if (rb_is_head_page(cpu_buffer, next_page, &tail_page->list)) { in rb_move_tail()
2561 tail_page, in rb_move_tail()
2579 cpu_buffer->tail_page) && in rb_move_tail()
2588 rb_tail_page_update(cpu_buffer, tail_page, next_page); in rb_move_tail()
2810 bpage = READ_ONCE(cpu_buffer->tail_page); in rb_try_to_discard()
2880 while (cpu_buffer->commit_page != READ_ONCE(cpu_buffer->tail_page)) { in rb_set_commit_to_write()
2884 rb_is_reader_page(cpu_buffer->tail_page))) in rb_set_commit_to_write()
2911 if (unlikely(cpu_buffer->commit_page != READ_ONCE(cpu_buffer->tail_page))) in rb_set_commit_to_write()
3191 struct buffer_page *tail_page; in __rb_reserve_next() local
3197 tail_page = info->tail_page = READ_ONCE(cpu_buffer->tail_page); in __rb_reserve_next()
3199 /*A*/ w = local_read(&tail_page->write) & RB_WRITE_MASK; in __rb_reserve_next()
3228 /*C*/ write = local_add_return(info->length, &tail_page->write); in __rb_reserve_next()
3287 /*E*/ if (write == (local_read(&tail_page->write) & RB_WRITE_MASK) && in __rb_reserve_next()
3318 event = __rb_page_index(tail_page, tail); in __rb_reserve_next()
3321 local_inc(&tail_page->entries); in __rb_reserve_next()
3328 tail_page->page->time_stamp = info->ts; in __rb_reserve_next()
3815 if (cpu_buffer->tail_page == cpu_buffer->reader_page) in ring_buffer_oldest_event_ts()
4836 cpu_buffer->tail_page = cpu_buffer->head_page; in rb_reset_cpu()