Make sure that verification read always reads valid data. Signed-off-by: Dmitry Fomichev <dmitry.fomichev@xxxxxxx> --- zbd.c | 17 +++++++++++++++-- 1 file changed, 15 insertions(+), 2 deletions(-) diff --git a/zbd.c b/zbd.c index df61dc37..2656f3ea 100644 --- a/zbd.c +++ b/zbd.c @@ -1239,10 +1239,23 @@ static struct fio_zone_info *zbd_replay_write_order(struct thread_data *td, assert(z); } - if (z->verify_block * min_bs >= z->capacity) + if (z->verify_block * min_bs >= z->capacity) { log_err("%s: %d * %d >= %llu\n", f->file_name, z->verify_block, min_bs, (unsigned long long)z->capacity); - io_u->offset = z->start + z->verify_block++ * min_bs; + /* + * If the assertion below fails during a test run, adding + * "--experimental_verify=1" to the command line may help. + */ + assert(false); + } + io_u->offset = z->start + z->verify_block * min_bs; + if (io_u->offset + io_u->buflen >= zbd_zone_capacity_end(z)) { + log_err("%s: %llu + %llu >= %lu\n", f->file_name, io_u->offset, + io_u->buflen, zbd_zone_capacity_end(z)); + assert(false); + } + z->verify_block += io_u->buflen / min_bs; + return z; } -- 2.28.0