stresstest.c (002c6ca75289a4ac4f6738213dd2d258704886e4) stresstest.c (8032bf1233a74627ce69b803608e650f3f35971c)
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2006-2008 Nokia Corporation
4 *
5 * Test random reads, writes and erases on MTD device.
6 *
7 * Author: Adrian Hunter <ext-adrian.hunter@nokia.com>
8 */

--- 32 unchanged lines hidden (view full) ---

41static int pgcnt;
42
43static int rand_eb(void)
44{
45 unsigned int eb;
46
47again:
48 /* Read or write up 2 eraseblocks at a time - hence 'ebcnt - 1' */
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2006-2008 Nokia Corporation
4 *
5 * Test random reads, writes and erases on MTD device.
6 *
7 * Author: Adrian Hunter <ext-adrian.hunter@nokia.com>
8 */

--- 32 unchanged lines hidden (view full) ---

41static int pgcnt;
42
43static int rand_eb(void)
44{
45 unsigned int eb;
46
47again:
48 /* Read or write up 2 eraseblocks at a time - hence 'ebcnt - 1' */
49 eb = prandom_u32_max(ebcnt - 1);
49 eb = get_random_u32_below(ebcnt - 1);
50 if (bbt[eb])
51 goto again;
52 return eb;
53}
54
55static int rand_offs(void)
56{
50 if (bbt[eb])
51 goto again;
52 return eb;
53}
54
55static int rand_offs(void)
56{
57 return prandom_u32_max(bufsize);
57 return get_random_u32_below(bufsize);
58}
59
60static int rand_len(int offs)
61{
58}
59
60static int rand_len(int offs)
61{
62 return prandom_u32_max(bufsize - offs);
62 return get_random_u32_below(bufsize - offs);
63}
64
65static int do_read(void)
66{
67 int eb = rand_eb();
68 int offs = rand_offs();
69 int len = rand_len(offs);
70 loff_t addr;

--- 42 unchanged lines hidden (view full) ---

113 offs -= mtd->erasesize;
114 }
115 offsets[eb] = offs;
116 return 0;
117}
118
119static int do_operation(void)
120{
63}
64
65static int do_read(void)
66{
67 int eb = rand_eb();
68 int offs = rand_offs();
69 int len = rand_len(offs);
70 loff_t addr;

--- 42 unchanged lines hidden (view full) ---

113 offs -= mtd->erasesize;
114 }
115 offsets[eb] = offs;
116 return 0;
117}
118
119static int do_operation(void)
120{
121 if (prandom_u32_max(2))
121 if (get_random_u32_below(2))
122 return do_read();
123 else
124 return do_write();
125}
126
127static int __init mtd_stresstest_init(void)
128{
129 int err;

--- 103 unchanged lines hidden --- 		122 return do_read();
123 else
124 return do_write();
125}
126
127static int __init mtd_stresstest_init(void)
128{
129 int err;

--- 103 unchanged lines hidden ---