Kent Overstreet <kent.overstreet@xxxxxxxxx> wrote: > > - page->lru is used by the old .readpages interface for the list of pages we're > doing reads to; Matthew converted most filesystems to his new and improved > .readahead which thankfully no longer uses page->lru, but there's still a few > filesystems that need to be converted - it looks like cifs and erofs, not > sure what's going on with fs/cachefiles/. We need help from the maintainers > of those filesystems to get that conversion done, this is holding up future > cleanups. fscache and cachefiles should be taken care of by my patchset here: https://lore.kernel.org/r/163363935000.1980952.15279841414072653108.stgit@xxxxxxxxxxxxxxxxxxxxxx https://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fs.git/log/?h=fscache-remove-old-io With that 9p, afs and ceph use netfs lib to handle readpage, readahead and part of write_begin. nfs and cifs do their own wrangling of readpages/readahead, but will call out to the cache directly to handle each page individually. At some point, cifs will hopefully be converted to use netfs lib. David
