^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) // SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) * KUnit test of ext4 inode that verify the seconds part of [a/c/m]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) * timestamps in ext4 inode structs are decoded correctly.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) #include <kunit/test.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) #include <linux/kernel.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) #include <linux/time64.h>
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) #include "ext4.h"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) * For constructing the nonnegative timestamp lower bound value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15) * binary: 00000000 00000000 00000000 00000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) #define LOWER_MSB_0 0L
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) * For constructing the nonnegative timestamp upper bound value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) * binary: 01111111 11111111 11111111 11111111
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) *
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) #define UPPER_MSB_0 0x7fffffffL
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) * For constructing the negative timestamp lower bound value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) * binary: 10000000 00000000 00000000 00000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) #define LOWER_MSB_1 (-(UPPER_MSB_0) - 1L) /* avoid overflow */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) * For constructing the negative timestamp upper bound value.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) * binary: 11111111 11111111 11111111 11111111
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) #define UPPER_MSB_1 (-1L)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) * Upper bound for nanoseconds value supported by the encoding.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36) * binary: 00111111 11111111 11111111 11111111
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) #define MAX_NANOSECONDS ((1L << 30) - 1)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) #define CASE_NAME_FORMAT "%s: msb:%x lower_bound:%x extra_bits: %x"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) #define LOWER_BOUND_NEG_NO_EXTRA_BITS_CASE\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) "1901-12-13 Lower bound of 32bit < 0 timestamp, no extra bits"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) #define UPPER_BOUND_NEG_NO_EXTRA_BITS_CASE\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) "1969-12-31 Upper bound of 32bit < 0 timestamp, no extra bits"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) #define LOWER_BOUND_NONNEG_NO_EXTRA_BITS_CASE\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) "1970-01-01 Lower bound of 32bit >=0 timestamp, no extra bits"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) #define UPPER_BOUND_NONNEG_NO_EXTRA_BITS_CASE\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) "2038-01-19 Upper bound of 32bit >=0 timestamp, no extra bits"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) #define LOWER_BOUND_NEG_LO_1_CASE\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51) "2038-01-19 Lower bound of 32bit <0 timestamp, lo extra sec bit on"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) #define UPPER_BOUND_NEG_LO_1_CASE\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) "2106-02-07 Upper bound of 32bit <0 timestamp, lo extra sec bit on"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) #define LOWER_BOUND_NONNEG_LO_1_CASE\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) "2106-02-07 Lower bound of 32bit >=0 timestamp, lo extra sec bit on"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) #define UPPER_BOUND_NONNEG_LO_1_CASE\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) "2174-02-25 Upper bound of 32bit >=0 timestamp, lo extra sec bit on"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58) #define LOWER_BOUND_NEG_HI_1_CASE\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) "2174-02-25 Lower bound of 32bit <0 timestamp, hi extra sec bit on"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) #define UPPER_BOUND_NEG_HI_1_CASE\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) "2242-03-16 Upper bound of 32bit <0 timestamp, hi extra sec bit on"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) #define LOWER_BOUND_NONNEG_HI_1_CASE\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63) "2242-03-16 Lower bound of 32bit >=0 timestamp, hi extra sec bit on"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) #define UPPER_BOUND_NONNEG_HI_1_CASE\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) "2310-04-04 Upper bound of 32bit >=0 timestamp, hi extra sec bit on"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) #define UPPER_BOUND_NONNEG_HI_1_NS_1_CASE\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) "2310-04-04 Upper bound of 32bit>=0 timestamp, hi extra sec bit 1. 1 ns"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) #define LOWER_BOUND_NONNEG_HI_1_NS_MAX_CASE\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) "2378-04-22 Lower bound of 32bit>= timestamp. Extra sec bits 1. Max ns"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) #define LOWER_BOUND_NONNEG_EXTRA_BITS_1_CASE\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71) "2378-04-22 Lower bound of 32bit >=0 timestamp. All extra sec bits on"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) #define UPPER_BOUND_NONNEG_EXTRA_BITS_1_CASE\
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) "2446-05-10 Upper bound of 32bit >=0 timestamp. All extra sec bits on"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) struct timestamp_expectation {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) const char *test_case_name;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) struct timespec64 expected;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) u32 extra_bits;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) bool msb_set;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) bool lower_bound;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) static time64_t get_32bit_time(const struct timestamp_expectation * const test)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 84) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 85) if (test->msb_set) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 86) if (test->lower_bound)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 87) return LOWER_MSB_1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 88)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 89) return UPPER_MSB_1;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 90) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 91)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 92) if (test->lower_bound)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 93) return LOWER_MSB_0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 94) return UPPER_MSB_0;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 95) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 96)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 97)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 98) /*
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 99) * Test data is derived from the table in the Inode Timestamps section of
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 100) * Documentation/filesystems/ext4/inodes.rst.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 101) */
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 102) static void inode_test_xtimestamp_decoding(struct kunit *test)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 103) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 104) const struct timestamp_expectation test_data[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 105) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 106) .test_case_name = LOWER_BOUND_NEG_NO_EXTRA_BITS_CASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 107) .msb_set = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 108) .lower_bound = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 109) .extra_bits = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 110) .expected = {.tv_sec = -0x80000000LL, .tv_nsec = 0L},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 111) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 112)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 113) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 114) .test_case_name = UPPER_BOUND_NEG_NO_EXTRA_BITS_CASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 115) .msb_set = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 116) .lower_bound = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 117) .extra_bits = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 118) .expected = {.tv_sec = -1LL, .tv_nsec = 0L},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 119) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 120)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 121) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 122) .test_case_name = LOWER_BOUND_NONNEG_NO_EXTRA_BITS_CASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 123) .msb_set = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 124) .lower_bound = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 125) .extra_bits = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 126) .expected = {0LL, 0L},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 127) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 128)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 129) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 130) .test_case_name = UPPER_BOUND_NONNEG_NO_EXTRA_BITS_CASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 131) .msb_set = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 132) .lower_bound = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 133) .extra_bits = 0,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 134) .expected = {.tv_sec = 0x7fffffffLL, .tv_nsec = 0L},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 135) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 136)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 137) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 138) .test_case_name = LOWER_BOUND_NEG_LO_1_CASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 139) .msb_set = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 140) .lower_bound = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 141) .extra_bits = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 142) .expected = {.tv_sec = 0x80000000LL, .tv_nsec = 0L},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 143) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 144)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 145) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 146) .test_case_name = UPPER_BOUND_NEG_LO_1_CASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 147) .msb_set = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 148) .lower_bound = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 149) .extra_bits = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 150) .expected = {.tv_sec = 0xffffffffLL, .tv_nsec = 0L},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 151) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 152)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 153) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 154) .test_case_name = LOWER_BOUND_NONNEG_LO_1_CASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 155) .msb_set = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 156) .lower_bound = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 157) .extra_bits = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 158) .expected = {.tv_sec = 0x100000000LL, .tv_nsec = 0L},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 159) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 160)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 161) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 162) .test_case_name = UPPER_BOUND_NONNEG_LO_1_CASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 163) .msb_set = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 164) .lower_bound = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 165) .extra_bits = 1,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 166) .expected = {.tv_sec = 0x17fffffffLL, .tv_nsec = 0L},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 167) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 168)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 169) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 170) .test_case_name = LOWER_BOUND_NEG_HI_1_CASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 171) .msb_set = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 172) .lower_bound = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 173) .extra_bits = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 174) .expected = {.tv_sec = 0x180000000LL, .tv_nsec = 0L},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 175) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 176)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 177) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 178) .test_case_name = UPPER_BOUND_NEG_HI_1_CASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 179) .msb_set = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 180) .lower_bound = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 181) .extra_bits = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 182) .expected = {.tv_sec = 0x1ffffffffLL, .tv_nsec = 0L},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 183) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 184)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 185) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 186) .test_case_name = LOWER_BOUND_NONNEG_HI_1_CASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 187) .msb_set = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 188) .lower_bound = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 189) .extra_bits = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 190) .expected = {.tv_sec = 0x200000000LL, .tv_nsec = 0L},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 191) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 192)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 193) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 194) .test_case_name = UPPER_BOUND_NONNEG_HI_1_CASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 195) .msb_set = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 196) .lower_bound = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 197) .extra_bits = 2,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 198) .expected = {.tv_sec = 0x27fffffffLL, .tv_nsec = 0L},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 199) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 200)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 201) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 202) .test_case_name = UPPER_BOUND_NONNEG_HI_1_NS_1_CASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 203) .msb_set = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 204) .lower_bound = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 205) .extra_bits = 6,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 206) .expected = {.tv_sec = 0x27fffffffLL, .tv_nsec = 1L},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 207) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 208)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 209) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 210) .test_case_name = LOWER_BOUND_NONNEG_HI_1_NS_MAX_CASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 211) .msb_set = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 212) .lower_bound = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 213) .extra_bits = 0xFFFFFFFF,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 214) .expected = {.tv_sec = 0x300000000LL,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 215) .tv_nsec = MAX_NANOSECONDS},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 216) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 217)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 218) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 219) .test_case_name = LOWER_BOUND_NONNEG_EXTRA_BITS_1_CASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 220) .msb_set = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 221) .lower_bound = true,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 222) .extra_bits = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 223) .expected = {.tv_sec = 0x300000000LL, .tv_nsec = 0L},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 224) },
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 225)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 226) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 227) .test_case_name = UPPER_BOUND_NONNEG_EXTRA_BITS_1_CASE,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 228) .msb_set = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 229) .lower_bound = false,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 230) .extra_bits = 3,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 231) .expected = {.tv_sec = 0x37fffffffLL, .tv_nsec = 0L},
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 232) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 233) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 234)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 235) struct timespec64 timestamp;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 236) int i;
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 237)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 238) for (i = 0; i < ARRAY_SIZE(test_data); ++i) {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 239) timestamp.tv_sec = get_32bit_time(&test_data[i]);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 240) ext4_decode_extra_time(×tamp,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 241) cpu_to_le32(test_data[i].extra_bits));
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 242)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 243) KUNIT_EXPECT_EQ_MSG(test,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 244) test_data[i].expected.tv_sec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 245) timestamp.tv_sec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 246) CASE_NAME_FORMAT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 247) test_data[i].test_case_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 248) test_data[i].msb_set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 249) test_data[i].lower_bound,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 250) test_data[i].extra_bits);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 251) KUNIT_EXPECT_EQ_MSG(test,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 252) test_data[i].expected.tv_nsec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 253) timestamp.tv_nsec,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 254) CASE_NAME_FORMAT,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 255) test_data[i].test_case_name,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 256) test_data[i].msb_set,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 257) test_data[i].lower_bound,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 258) test_data[i].extra_bits);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 259) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 260) }
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 261)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 262) static struct kunit_case ext4_inode_test_cases[] = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 263) KUNIT_CASE(inode_test_xtimestamp_decoding),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 264) {}
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 265) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 266)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 267) static struct kunit_suite ext4_inode_test_suite = {
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 268) .name = "ext4_inode_test",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 269) .test_cases = ext4_inode_test_cases,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 270) };
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 271)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 272) kunit_test_suites(&ext4_inode_test_suite);
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 273)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 274) MODULE_LICENSE("GPL v2");
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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