On Thu, Sep 03, 2020 at 06:56:32PM +0200, Andreas Gruenbacher wrote: > When a direct I/O write falls back to buffered I/O entirely, dio->size > will be 0 in iomap_dio_complete. Function invalidate_inode_pages2_range > will try to invalidate the rest of the address space. If there are any > dirty pages in that range, the write will fail and a "Page cache > invalidation failure on direct I/O" error will be logged. Looks good, Reviewed-by: Christoph Hellwig <hch@xxxxxx>
