On 08/01/2025 08:55, Christoph Hellwig wrote:
For I/O to reflinked blocks we always need to write an entire new file system block, and the code enforces the file system block alignment for the entire file if it has any reflinked blocks. Use the new STATX_DIO_READ_ALIGN flag to report the asymmetric read vs write alignments for reflinked files. Signed-off-by: Christoph Hellwig<hch@xxxxxx> Reviewed-by: "Darrick J. Wong"<djwong@xxxxxxxxxx>
FWIW: Reviewed-by: John Garry <john.g.garry@xxxxxxxxxx>