On Thu, Jun 15, 2017 at 06:42:12AM -0400, Jeff Layton wrote: > Correct. > > But if there is a data writeback error, should we report an error on all > open fds at that time (like we will for fsync)?
We should in theory, but I don't see how to properly do it. In addition sync_file_range just can't be used for data integrity to start with, so I don't think it's worth it. At some point we should add a proper fsync_range syscall, though.