On Wed, May 04, 2022 at 09:23:42AM -0700, Christoph Hellwig wrote:
> - if (!write) {
> + if (!write && !(BTRFS_I(inode)->flags & BTRFS_INODE_NODATASUM)) {
> /*
> * Load the csums up front to reduce csum tree searches and
> * contention when submitting bios.
> - *
> - * If we have csums disabled this will do nothing.
> */
> + status = BLK_STS_RESOURCE;
> + dip->csums = kzalloc(fs_info->csum_size *
> + (dio_bio->bi_iter.bi_size >> fs_info->sectorsize_bits),
> + GFP_NOFS);
This should be either kmalloc_array or kcalloc, otherwise OK.
