On Wed, Jun 30, 2021 at 4:09 PM Matthew Wilcox <willy@xxxxxxxxxxxxx> wrote: > On Tue, Jun 29, 2021 at 11:12:39AM +0200, Andreas Gruenbacher wrote: > > Below is a version of your patch on top of v5.13 which has passed some > > local testing here. > > > > Thanks, > > Andreas > > > > -- > > > > iomap: Permit pages without an iop to enter writeback > > > > Permit pages without an iop to enter writeback and create an iop *then*. This > > allows filesystems to mark pages dirty without having to worry about how the > > iop block tracking is implemented. > > How about ... > > Create an iop in the writeback path if one doesn't exist. This allows > us to avoid creating the iop in some cases. The only current case we > do that for is pages with inline data, but it can be extended to pages > which are entirely within an extent. It also allows for an iop to be > removed from pages in the future (eg page split). > > > Suggested-by: Matthew Wilcox <willy@xxxxxxxxxxxxx> > > Signed-off-by: Andreas Gruenbacher <agruenba@xxxxxxxxxx> > > Co-developed-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> > Signed-off-by: Matthew Wilcox (Oracle) <willy@xxxxxxxxxxxxx> Sure, that works for me. Thanks, Andreas
