Ok,I will make time to do it. 发自我的iPhone > 在 2020年8月14日,下午4:04,Christoph Hellwig <hch@xxxxxxxxxxxxx> 写道: > > 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!