The subject is a little odd, as we only optionally override submit_bio. Maybe something like: iomap: add a file system hook for direct I/O bio submission On Fri, Nov 15, 2019 at 10:16:56AM -0600, Goldwyn Rodrigues wrote: > From: Goldwyn Rodrigues <rgoldwyn@xxxxxxxx> > > This helps filesystems to perform tasks on the bio while > submitting for I/O. This could be post-write operations > such as data CRC or data replication for fs-handled RAID. You can use up to 73 chars for the commit log. > + if (dio->dops && dio->dops->submit_io) > + dio->submit.cookie = dio->dops->submit_io(bio, > + file_inode(dio->iocb->ki_filp), pos); Any reason to not simply pass the file?
