On Fri, May 27, 2022 at 04:50:28PM +0100, Matthew Wilcox (Oracle) wrote: > Just because there has been a read error doesn't mean we should avoid > marking this part of the folio as uptodate. Indeed, it may overwrite > the error part of the folio and let us mark the entire folio uptodate. This does look sensible, but I'm a little worried about this area. Did this survive an xfstests run with a sub-pagesize blocksize file system?