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

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?

Thanks!