Hi Chao, On Mon, Dec 07, 2020 at 09:23:44AM +0800, Gao Xiang wrote: > Previously, we played around with magical page->mapping for short-lived > temporary pages since we need to identify different types of pages in > the same pcluster but both invalidated and short-lived temporary pages > can have page->mapping == NULL. It was considered as safe because that > temporary pages are all non-LRU / non-movable pages. > > This patch tends to use specific page->private to identify short-lived > pages instead so it won't rely on page->mapping anymore. Details are > described in "compress.h" as well. > > Signed-off-by: Gao Xiang <hsiang...@redhat.com> > --- > tested with ro_fsstress for a whole night. > > The old "[PATCH 4/4] erofs: complete a missing case for inplace I/O" is > temporarily dropped since ro_fsstress failed with such modification, > will look into later. >
Do you have some extra bandwidth to review these commits? plus a commit from Vladimir Zapolskiy: https://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs.git/commit/?id=c8390cfaa07cb9e9ccaa946a1919b69dfb34bad1 The merge window will be open the next week. I have to prepare the submission from now. Thanks, Gao Xiang