linux/fs/btrfs/tests/extent-io-tests.c

// SPDX-License-Identifier: GPL-2.0
/*
 * Copyright (C) 2013 Fusion IO.  All rights reserved.
 */

#include <linux/pagemap.h>
#include <linux/pagevec.h>
#include <linux/sched.h>
#include <linux/slab.h>
#include <linux/sizes.h>
#include "btrfs-tests.h"
#include "../ctree.h"
#include "../extent_io.h"
#include "../disk-io.h"
#include "../btrfs_inode.h"

#define PROCESS_UNLOCK …
#define PROCESS_RELEASE …
#define PROCESS_TEST_LOCKED …

static noinline int process_page_range(struct inode *inode, u64 start, u64 end,
				       unsigned long flags)
{ … }

#define STATE_FLAG_STR_LEN …

#define PRINT_ONE_FLAG(state, dest, cur, name) …

static void extent_flag_to_str(const struct extent_state *state, char *dest)
{ … }

static void dump_extent_io_tree(const struct extent_io_tree *tree)
{ … }

static int test_find_delalloc(u32 sectorsize, u32 nodesize)
{ … }

static int check_eb_bitmap(unsigned long *bitmap, struct extent_buffer *eb)
{ … }

static int test_bitmap_set(const char *name, unsigned long *bitmap,
			   struct extent_buffer *eb,
			   unsigned long byte_start, unsigned long bit_start,
			   unsigned long bit_len)
{ … }

static int test_bitmap_clear(const char *name, unsigned long *bitmap,
			     struct extent_buffer *eb,
			     unsigned long byte_start, unsigned long bit_start,
			     unsigned long bit_len)
{ … }
static int __test_eb_bitmaps(unsigned long *bitmap, struct extent_buffer *eb)
{ … }

static int test_eb_bitmaps(u32 sectorsize, u32 nodesize)
{ … }

static int test_find_first_clear_extent_bit(void)
{ … }

static void dump_eb_and_memory_contents(struct extent_buffer *eb, void *memory,
					const char *test_name)
{ … }

static int verify_eb_and_memory(struct extent_buffer *eb, void *memory,
				const char *test_name)
{ … }

/*
 * Init both memory and extent buffer contents to the same randomly generated
 * contents.
 */
static void init_eb_and_memory(struct extent_buffer *eb, void *memory)
{ … }

static int test_eb_mem_ops(u32 sectorsize, u32 nodesize)
{ … }

int btrfs_test_extent_io(u32 sectorsize, u32 nodesize)
{ … }