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raidz_test: Fix ZIO ABDs initialization

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- When filling ABDs of several segments, consider offset.
 - "Corrupt" ABDs with actually different data to fail something.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: Rob Norris <robn@despairlabs.com>
Signed-off-by: Alexander Motin <alexander.motin@TrueNAS.com>
Closes #17977
This commit is contained in:
Alexander Motin 2025-11-24 13:38:31 -05:00 committed by Brian Behlendorf
parent 001ce40cd4
commit 6e10a51b74
1 changed files with 16 additions and 3 deletions
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19
cmd/raidz_test/raidz_test.c
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@ -264,9 +264,21 @@ cmp_data(raidz_test_opts_t *opts, raidz_map_t *rm)
static int
init_rand(void *data, size_t size, void *private)
{
size_t *offsetp = (size_t *)private;
size_t offset = *offsetp;
VERIFY3U(offset + size, <=, SPA_MAXBLOCKSIZE);
memcpy(data, (char *)rand_data + offset, size);
*offsetp = offset + size;
return (0);
}
static int
corrupt_rand_fill(void *data, size_t size, void *private)
{
(void) private;
memcpy(data, rand_data, size);
memset(data, 0xAA, size);
return (0);
}
@ -278,7 +290,7 @@ corrupt_colums(raidz_map_t *rm, const int *tgts, const int cnt)
for (int i = 0; i < cnt; i++) {
raidz_col_t *col = &rr->rr_col[tgts[i]];
abd_iterate_func(col->rc_abd, 0, col->rc_size,
init_rand, NULL);
corrupt_rand_fill, NULL);
}
}
}
@ -286,7 +298,8 @@ corrupt_colums(raidz_map_t *rm, const int *tgts, const int cnt)
void
init_zio_abd(zio_t *zio)
{
abd_iterate_func(zio->io_abd, 0, zio->io_size, init_rand, NULL);
size_t offset = 0;
abd_iterate_func(zio->io_abd, 0, zio->io_size, init_rand, &offset);
}
static void