On Fri, Feb 26, 2021 at 05:38:04AM +0000, Christoph Hellwig wrote: > On Mon, Feb 22, 2021 at 09:50:35AM -0700, Alex Williamson wrote: > > By linking all the device fds we provide to userspace to an > > address space through a new pseudo fs, we can use tools like > > unmap_mapping_range() to zap all vmas associated with a device. > > > > Suggested-by: Jason Gunthorpe <[email protected]> > > Signed-off-by: Alex Williamson <[email protected]> > > Adding Al: > > I hate how we're are growing these tiny file systems just to allocate an > anonymous inode all over. Shouldn't we allow to enhance fs/anon_inodes.c > to add a new API to allocate a new specific inode from anon_inodefs > instead?
+1 when I was researching this I also felt this was alot of boilerplate to just get an inode. With vfio and rdma getting this it is at least 5 places now. Jason
