On Wed 01-03-23 14:14:16, Al Viro wrote: > On Wed, Mar 01, 2023 at 02:00:18PM +0100, Jan Kara wrote: > > On Wed 01-03-23 12:20:56, Fabio M. De Francesco wrote: > > > On venerdì 24 febbraio 2023 04:26:57 CET Al Viro wrote: > > > > Fabio's "switch to kmap_local_page()" patchset (originally after the > > > > ext2 counterpart, with a lot of cleaning up done to it; as the matter of > > > > fact, ext2 side is in need of similar cleanups - calling conventions there > > > > are bloody awful). > > > > > > If nobody else is already working on these cleanups in ext2 following your > > > suggestion, I'd be happy to work on this by the end of this week. I only need > > > a confirmation because I'd hate to duplicate someone else work. > > > > > > > Plus the equivalents of minix stuff... > > > > > > I don't know this other filesystem but I could take a look and see whether it > > > resembles somehow sysv and ext2 (if so, this work would be pretty simple too, > > > thanks to your kind suggestions when I worked on sysv and ufs). > > > > > > I'm adding Jan to the Cc list to hear whether he is aware of anybody else > > > working on this changes for ext2. I'm waiting for a reply from you (@Al) or > > > Jan to avoid duplication (as said above). > > > > I'm not sure what exactly Al doesn't like about how ext2 handles pages and > > mapping but if you have some cleanups in mind, sure go ahead. I don't have > > any plans on working on that code in the near term. > > I think I've pushed a demo patchset to vfs.git at some point back in January... > Yep - see #work.ext2 in there; completely untested, though. OK, I think your changes to ext2_rename() in PATCH 1 leak a reference and mapping of old_page but otherwise I like the patches. So Fabio, if you can pick them up and push this to completion, it would be nice. Thanks! Honza -- Jan Kara <jack@xxxxxxxx> SUSE Labs, CR