Re: [PATCH v4] ext4: fix direct I/O read error

From: Christoph Hellwig
Date: Fri Aug 14 2020 - 04:04:23 EST

On Wed, Aug 05, 2020 at 03:40:34PM +0800, Jiang Ying wrote:
> This patch is used to fix ext4 direct I/O read error when
> the read size is not aligned with block size.
> Then, I will use a test to explain the error.
> (1) Make a file that is not aligned with block size:
> $dd if=/dev/zero of=./test.jar bs=1000 count=3
> (2) I wrote a source file named "direct_io_read_file.c" as following:

Can you please add your reproducer to xfstests?