diff options
Diffstat (limited to 'cmd/ztest/ztest.c')
| -rw-r--r-- | cmd/ztest/ztest.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/cmd/ztest/ztest.c b/cmd/ztest/ztest.c index bbf5cbfb7..e6d6e9803 100644 --- a/cmd/ztest/ztest.c +++ b/cmd/ztest/ztest.c @@ -123,6 +123,7 @@ #include <ctype.h> #include <math.h> #include <sys/fs/zfs.h> +#include <zfs_fletcher.h> #include <libnvpair.h> #ifdef __GLIBC__ #include <execinfo.h> /* for backtrace() */ @@ -327,6 +328,7 @@ ztest_func_t ztest_vdev_aux_add_remove; ztest_func_t ztest_split_pool; ztest_func_t ztest_reguid; ztest_func_t ztest_spa_upgrade; +ztest_func_t ztest_fletcher; uint64_t zopt_always = 0ULL * NANOSEC; /* all the time */ uint64_t zopt_incessant = 1ULL * NANOSEC / 10; /* every 1/10 second */ @@ -372,6 +374,7 @@ ztest_info_t ztest_info[] = { ZTI_INIT(ztest_vdev_LUN_growth, 1, &zopt_rarely), ZTI_INIT(ztest_vdev_add_remove, 1, &ztest_opts.zo_vdevtime), ZTI_INIT(ztest_vdev_aux_add_remove, 1, &ztest_opts.zo_vdevtime), + ZTI_INIT(ztest_fletcher, 1, &zopt_rarely), }; #define ZTEST_FUNCS (sizeof (ztest_info) / sizeof (ztest_info_t)) @@ -5496,6 +5499,47 @@ ztest_spa_rename(ztest_ds_t *zd, uint64_t id) (void) rw_unlock(&ztest_name_lock); } +void +ztest_fletcher(ztest_ds_t *zd, uint64_t id) +{ + hrtime_t end = gethrtime() + NANOSEC; + + while (gethrtime() <= end) { + int run_count = 100; + void *buf; + uint32_t size; + int *ptr; + int i; + zio_cksum_t zc_ref; + zio_cksum_t zc_ref_byteswap; + + size = ztest_random_blocksize(); + buf = umem_alloc(size, UMEM_NOFAIL); + + for (i = 0, ptr = buf; i < size / sizeof (*ptr); i++, ptr++) + *ptr = ztest_random(UINT_MAX); + + VERIFY0(fletcher_4_impl_set("scalar")); + fletcher_4_native(buf, size, &zc_ref); + fletcher_4_byteswap(buf, size, &zc_ref_byteswap); + + VERIFY0(fletcher_4_impl_set("cycle")); + while (run_count-- > 0) { + zio_cksum_t zc; + zio_cksum_t zc_byteswap; + + fletcher_4_byteswap(buf, size, &zc_byteswap); + fletcher_4_native(buf, size, &zc); + + VERIFY0(bcmp(&zc, &zc_ref, sizeof (zc))); + VERIFY0(bcmp(&zc_byteswap, &zc_ref_byteswap, + sizeof (zc_byteswap))); + } + + umem_free(buf, size); + } +} + static int ztest_check_path(char *path) { |