From 22ebaee4c331ab4b6b2b2822f112c57c0f5a066d Mon Sep 17 00:00:00 2001 From: jhendersonHDF Date: Thu, 3 Aug 2023 16:44:10 -0500 Subject: [PATCH] Fix assertion failure in H5D__mpio_collective_filtered_vec_io (#3340) --- src/H5Dmpio.c | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/src/H5Dmpio.c b/src/H5Dmpio.c index 4b4c6ed6ea1..901907ceaba 100644 --- a/src/H5Dmpio.c +++ b/src/H5Dmpio.c @@ -5489,6 +5489,9 @@ H5D__mpio_collective_filtered_vec_io(const H5D_filtered_collective_io_info_t *ch for (size_t i = 0, vec_idx = 0; i < chunk_list->num_chunk_infos; i++) { H5F_block_t *chunk_block; + if (op_type == H5D_IO_OP_READ && !chunk_list->chunk_infos[i].need_read) + continue; + /* * Check that we aren't going to accidentally try to write past the * allocated memory for the I/O vector buffers in case bookkeeping @@ -5497,9 +5500,6 @@ H5D__mpio_collective_filtered_vec_io(const H5D_filtered_collective_io_info_t *ch */ assert(vec_idx < iovec_count); - if (op_type == H5D_IO_OP_READ && !chunk_list->chunk_infos[i].need_read) - continue; - /* Set convenience pointer for current chunk block */ chunk_block = (op_type == H5D_IO_OP_READ) ? &chunk_list->chunk_infos[i].chunk_current : &chunk_list->chunk_infos[i].chunk_new;